A kind of novel backrest and shank link massage armchair
Technical field
The utility model relates to massage machine fields, specifically, being related specifically to a kind of novel backrest and shank links
Massage armchair.
Background technique
Currently, commercially available backrest and shank change, angle massage armchair is at high cost, structure is all complex.
Such as a kind of Chinese utility model " massager of simulating zero-gravity state of Patent No. 201020505341.1
Structure " disclose a kind of massage mechanism of simulating zero-gravity state comprising calf, upper housing, backrest and lower mounting;The seat of honour
It is hinged by mounting pin shaft between frame and lower mounting;Inclining for one adjustable upper housing is installed between upper housing and lower mounting
The mounting electric cylinder of elevation angle degree;The shank electric cylinder for adjusting the elevation angle of calf and backrest respectively is also equipped in upper housing
With backrest electric cylinder.But the entire massage mechanism of above-mentioned patent is configured with 3 independent electric cylinders, is respectively intended in adjusting
The elevation angle of mounting, calf and backrest, not only design structure and control are complex, but also manufacturing cost is higher, so that
Zero-g massage chair selling price is high, it is difficult to be enjoyed by ordinary populace.
A kind of also Chinese utility model " massage of energy simulating zero gravity state of the such as patent No. 201110259128.6
Chair " a kind of massage mechanism of simulating zero-gravity state is disclosed, it include pedestal and the backrest portion, the portions that are set on the base
The leg and;Backrest portion and portions are movably articulated in respectively on the support frame of pedestal;The ontology of driving device is hinged on the bottom of pedestal
On frame, actuator end is hinged on the bottom of portions;First connecting rod one end of link mechanism is hinged on the chassis of pedestal, and second
One end of connecting rod is hinged on the bottom of portions, and the other end of first connecting rod and the other end of second connecting rod are hinged to be movably hinged
Portion;One end of third connecting rod is hinged on Living hinge, and the other end of third connecting rod is hinged on the bottom end of backrest portion;4th connects
One end of bar is hinged on the bottom end of backrest portion, and the other end of the fourth link is movably connected on leg.Above three connecting rod hinge
It connects in an endpoint, not easy to be processed and assemble, fourth link takes up space excessive, is unfavorable for processing.
Utility model content
The purpose of this utility model is that aiming at the shortcomings in the prior art, provide a kind of novel backrest and shank linkage by
Rub chair, to solve problems of the prior art.
The technical issues of the utility model is solved can be realized using following technical scheme:
A kind of novel backrest and shank link massage armchair, including pedestal, the backrest portion being set on the base and and backrest
Leg is leaned in portion's articulated connection;
It is equipped with pulley on the base, is equipped with sliding slot in the bottom of backrest portion, the backrest portion is cooperated by sliding slot to be slided
Wheel slides on pedestal;
It is fixedly installed with driving unit on the base, the driving unit includes the driving being fixedly mounted on pedestal
The telescopic rod of device and setting on the drive means, telescopic rod are connect with by tumbler with backrest portion;
It is equipped on the base for adjusting backrest portion and by the link assembly of leg elevation angle, the link assembly
Including first connecting rod, guide groove is offered in the bending track shape main body of first connecting rod, first connecting rod passes through guide groove and is mounted on
Castor on pedestal rolls connection;One end of second connecting rod is hinged on the end of first connecting rod, the other end of second connecting rod and
One end of three-link is hinged as a Living hinge;Before the middle position of the third connecting rod is hinged on the backrest portion
The other end at end, third connecting rod is arranged by idler wheel on leg.
Further, the driving device be power cylinder, the power cylinder include the cylinder body being hinged with the pedestal,
And the telescopic piston rod being hinged with the bottom of the backrest portion.
Further, the first connecting rod, second connecting rod and third connecting rod are in the same plane.
Compared with prior art, the utility model has the beneficial effects that:
Adjusting while realizing using only a driving device and coupler link structure to backrest portion and leg angle, it is whole
Body structure is more simple, and adjustment process is steady, improves the comfortableness and security used.
Detailed description of the invention
Fig. 1 is the schematic diagram of novel backrest described in the utility model and shank linkage massage armchair.
Fig. 2 is the status diagram one of novel backrest described in the utility model and shank linkage massage armchair.
Fig. 3 is the status diagram two of novel backrest described in the utility model and shank linkage massage armchair.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Referring to figure 1, figure 2 and figure 3, a kind of novel backrest described in the utility model and shank linkage massage armchair, including bottom
Seat 2, the backrest portion 1 that is arranged on pedestal 2 and with backrest portion 1 be articulated and connected by leg 3;
It is equipped with pulley 4 on the pedestal 2, is equipped with sliding slot 5 in the bottom of backrest portion 1, the backrest portion 1 passes through sliding slot 5
Cooperation pulley 4 slides on pedestal 2;
Driving unit is fixedly installed on the pedestal 2, the driving unit includes the drive being fixedly mounted on pedestal 2
The telescopic rod 11 of dynamic device and setting on the drive means, telescopic rod 11 are connect with by tumbler 12 with backrest portion 1;
It is equipped on the pedestal 2 for adjusting backrest portion 1 and by the link assembly of 3 elevation angle of leg, the connecting rod
Component includes first connecting rod 6, offers guide groove in the bending track shape main body of first connecting rod 6, first connecting rod 6 by guide groove with
The castor 13 being mounted on pedestal 2 rolls connection;One end of second connecting rod 7 is hinged on the another end portion of first connecting rod 6, second connecting rod
7 other end and one end of third connecting rod 8 are hinged as a Living hinge 9;The middle position of the third connecting rod 8 is hinged on
The other end of the front end of the backrest portion 1, third connecting rod 8 is arranged by idler wheel 10 on leg 3.
The driving device be power cylinder, the power cylinder include the cylinder body being hinged with the pedestal 2 and with institute
State the telescopic piston rod that the bottom of backrest portion 1 is hinged.
The first connecting rod 6, second connecting rod 7 and third connecting rod 8 are in the same plane.
Driving device is used only in the utility model and coupler link structure is realized to backrest portion and leg angle
It adjusts simultaneously, overall structure is more simple, and adjustment process is steady, improves the comfortableness and security used.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.