CN213641970U

CN213641970U - Sofa back massage structure based on ergonomic

Info

Publication number: CN213641970U
Application number: CN202022416942.1U
Authority: CN
Inventors: 潘勇
Original assignee: Huizhou Xuchen Furniture Co ltd
Current assignee: Huizhou Xuchen Furniture Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-09
Anticipated expiration: 2030-10-27

Abstract

The utility model relates to the technical field of sofa, in particular to a sofa back massage structure based on ergonomics, which comprises a sofa base and a backrest arranged on the sofa base, wherein the front end of the backrest is provided with a cushion, the back end of the backrest is provided with a groove, the inside of the groove is connected with a sliding seat in a sliding way, and the end surface of the sliding seat is symmetrically provided with two groups of movable grooves, each movable groove consists of two groups of L-shaped grooves which are communicated with each other, a joint of the two groups of L-shaped grooves is in pin joint rotation with a stop block, the sofa back massage structure based on ergonomics massages the back of a user by repeatedly driving a massage block arranged in the movable groove by a first motor, and the two groups of massage blocks generate kneading action and have better comfort, the reciprocating of the sliding seat is driven by a second motor, thereby ensuring that the massage block can comprehensively massage the back of the user, the practicality is stronger, is worth promoting.

Description

Sofa back massage structure based on ergonomic

Technical Field

The utility model relates to a sofa technical field especially relates to a sofa back massage structure based on ergonomic.

Background

The origin of the sofa can be traced back to ancient Egypt about 2000 before the first Gongyuan, but the soft package sofa with the real meaning appears from the end of the sixteen century to the beginning of the seventeen century; the sofa at that time mainly uses natural elastic materials such as horsehair, bird feather, plant fluff and the like as fillers, and is externally covered with fabrics such as velvet, embroidery and the like to form a soft human body contact surface; the Huaxing Geer chair, popular for the general public as in Europe at that time, was one of the earliest couches.

With the improvement of modern living standard, the requirements of people on soft furniture are higher and higher, the sofa is one of the soft furniture, and the common massage sofa has a simple massage structure when in use, and cannot bring the most comfortable massage enjoyment to tired users.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects that the massage structure is simple, and the most comfortable massage enjoyment can not be brought to tired users in the prior art, and providing a sofa back massage structure based on ergonomics.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sofa back massage structure based on ergonomic, includes sofa base and the back of setting on sofa base, the front end of back is provided with the cushion, and the back end of back is provided with the recess, the inside sliding connection of recess has the sliding seat, and the symmetry is provided with two sets of movable grooves on the terminal surface of sliding seat, the movable groove comprises two sets of L type grooves that are linked together, and the pin joint of handing-over department of two sets of L type grooves rotates there is the dog, the inside of movable groove has the massage piece of overlap joint cushion through the bearing sliding joint, and is provided with the dead lever on the lateral wall of massage piece, fixed frame has been cup jointed in the outside of dead lever, fixed connection has the spring between fixed frame and the massage piece, and the tip of two sets of fixed frame all fixedly connected with L type rack, be provided with the slide rail on the lateral wall of sliding seat, and two sets of L type rack all pass through, the bottom of sliding seat has bolted connection first motor, and key connection is gone up by the gear with two sets of L type racks meshing respectively on the output shaft of first motor, the inside intercommunication of recess has the standing groove, and the inside of standing groove is provided with the second motor, the bottom of sliding seat is provided with U type frame, and the pin joint rotates between second motor and the U type frame has the connecting rod, first motor and second motor all are connected with external power source electricity through switch and wire.

Preferably, the stop dog is rotatably connected to the side wall of the movable groove through a pin shaft, a torsion spring is fixedly connected between the stop dog and the pin shaft inside the stop dog, and a clamping groove is formed in the end face of the movable groove, opposite to the stop dog.

Preferably, the first motor and the second motor are both servo motors.

Preferably, the inner corners of the movable groove are rounded.

The utility model provides a pair of sofa back massage structure based on ergonomic, beneficial effect lies in: the utility model discloses a massage piece of setting in the activity inslot, under first motor drives repeatedly, comes to massage user's back, and two sets of massage pieces produce the action of kneading, and the comfort is better, through reciprocating of the second motor drive sliding seat that sets up, has ensured that the massage piece can carry out comprehensive massage to user's back, and the practicality is stronger, is worth promoting.

Drawings

Fig. 1 is a schematic structural view of a sofa back massage structure based on ergonomics according to the present invention;

fig. 2 is an enlarged schematic structural view of a region a of the sofa back massage structure based on ergonomics according to the present invention;

fig. 3 is an enlarged schematic structural view of a region B of the ergonomic sofa back massage structure of the present invention;

fig. 4 is a rear view of the sofa back massage structure based on ergonomics according to the present invention;

fig. 5 is a schematic perspective view of the sofa back massage structure according to the present invention.

In the figure: 1. a sofa base; 2. a backrest; 3. a groove; 4. a soft cushion; 5. a sliding seat; 6. a movable groove; 7. a massage block; 8. fixing the rod; 9. a fixing frame; 10. an L-shaped rack; 11. a first motor; 12. a stopper; 13. a second motor; 14. a U-shaped frame; 15. a connecting rod; 16. a torsion spring; 17. a card slot; 18. a 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.

Referring to fig. 1-5, a sofa back massage structure based on ergonomics comprises a sofa base 1 and a backrest 2 arranged on the sofa base 1, wherein a cushion 4 is arranged at the front end of the backrest 2, a groove 3 is arranged at the back end of the backrest 2, a sliding seat 5 is connected inside the groove 3 in a sliding manner, two groups of movable grooves 6 are symmetrically arranged on the end surface of the sliding seat 5, the movable grooves 6 are composed of two groups of L-shaped grooves which are communicated, a stop block 12 is connected at the joint of the two groups of L-shaped grooves in a pin joint manner and rotates, a massage block 7 which is connected with the cushion 4 in a sliding manner through a bearing is arranged inside the movable grooves 6, a fixed rod 8 is arranged on the side wall of the massage block 7, a fixed frame 9 is sleeved outside the fixed rod 8, a spring 18 is fixedly connected between the fixed frame 9 and the massage block 7, L-shaped toothed bars 10 are fixedly connected at the end parts of, and two sets of L type racks 10 all slide the joint on the slide rail through the slider, the bottom bolt of sliding seat 5 has connect first motor 11, and the key joint is by the gear with two sets of L type racks 10 mesh respectively on the output shaft of first motor 11, the inside intercommunication of recess 3 has the standing groove, and the inside of standing groove is provided with second motor 13, the bottom of sliding seat 5 is provided with U type frame 14, and the pin joint rotates between second motor 13 and the U type frame 14 has connecting rod 15, first motor 11 and second motor 13 all are connected with external power source electricity through switch and wire.

Dog 12 rotates through the round pin axle and connects on the lateral wall of activity groove 6, and fixedly connected with torsional spring 16 between dog 12 and its inside round pin axle, be provided with draw-in groove 17 on the relative dog 12's of activity groove 6 terminal surface, dog 12 rotation is avoided to draw-in groove 17, and help the resilience of dog 12 through torsional spring 16, first motor 11 and second motor 13 all set up to servo motor, servo motor has good control performance, the inside corner of activity groove 6 all sets up to the fillet, the fillet of setting is avoided massage piece 7 to block when removing.

A working mode; when the sofa is in operation, a user sits on the sofa base 1, the backrest is arranged on the backrest 2, the first motor 11 is started at the moment, the first motor 11 drives the two groups of L-shaped racks 10 to move relatively through the gear, so that the massage block 7 is driven to move through the fixing frame 9, the massage block 7 moves in the movable groove 6, as the movable groove 6 consists of two groups of L-shaped grooves which are communicated, the massage block 7 moves forwards and is overlapped with the cushion 4 firstly, so as to be abutted against the back of the user, the two groups of massage blocks 7 move relatively to generate kneading action, the comfort is good, when the massage block 7 moves to the end part of the movable groove 6, the massage block moves backwards under the action of the spring 18, at the moment, the first motor 11 reverses and resets, the reciprocating in such a way to massage the back of the user, the second motor 13 drives the sliding seat 5 to move up and down through the connecting rod 15, so that, the practicability is strong.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sofa back massage structure based on ergonomic, includes sofa base (1) and sets up back (2) on sofa base (1), its characterized in that: the front end of the backrest (2) is provided with a cushion (4), the back end of the backrest (2) is provided with a groove (3), the inside of the groove (3) is connected with a sliding seat (5) in a sliding way, two groups of movable grooves (6) are symmetrically arranged on the end surface of the sliding seat (5), each movable groove (6) consists of two groups of L-shaped grooves which are communicated with each other, a stop block (12) is connected to the joint of the two groups of L-shaped grooves in a pin joint manner, the inside of each movable groove (6) is connected with a massage block (7) of the overlapped cushion (4) in a sliding way through a bearing, a fixing rod (8) is arranged on the side wall of each massage block (7), a fixing frame (9) is sleeved on the outer side of the fixing rod (8), a spring (18) is fixedly connected between the fixing frame (9) and the massage block (7), and the end parts of the, be provided with the slide rail on the lateral wall of sliding seat (5), and two sets of L type rack (10) all slide the joint on the slide rail through the slider, the bottom bolt of sliding seat (5) has first motor (11), and key joint is gone up by the gear with two sets of L type rack (10) mesh respectively on the output shaft of first motor (11), the inside intercommunication of recess (3) has the standing groove, and the inside of standing groove is provided with second motor (13), the bottom of sliding seat (5) is provided with U type frame (14), and the pin joint rotates between second motor (13) and U type frame (14) has connecting rod (15), first motor (11) and second motor (13) all are connected with the external power source electricity through switch and wire.

2. The ergonomic sofa back massage structure of claim 1, wherein: the stop block (12) is rotatably connected to the side wall of the movable groove (6) through a pin shaft, a torsion spring (16) is fixedly connected between the stop block (12) and the pin shaft inside the stop block, and a clamping groove (17) is formed in the end face, opposite to the stop block (12), of the movable groove (6).

3. The ergonomic sofa back massage structure of claim 1, wherein: the first motor (11) and the second motor (13) are both set to be servo motors.

4. The ergonomic sofa back massage structure of claim 1, wherein: the corners inside the movable groove (6) are all set to be round corners.