A kind of modified massage armchair
Technical field
The utility model relates to the massage armchair technical field, particularly a kind of modified massage armchair.
Background technology
Along with improving constantly of people's living standard, massage armchair begins to come into huge numbers of families as a kind of health care recreation tool.The back of massage armchair is generally dumpable setting, is convenient to adjust sitting posture and sleeping position, improves comfort.Existing have the back and topple over the function massage armchair, it is when arranging, back and between the walls need keep enough spaces, the space generally is equal to or greater than the length at back, so that the back can partly or entirely put down, so when existing massage armchair uses, occupy bigger space, in room rate strange high today, the use cost of existing massage armchair is higher, is unfavorable for applying.In addition, existing have the back and topple over the selective underaction that the massage armchair of function is arranged with other households as the part of household, is unfavorable for the effective collocation between the household.So existing massage armchair still has the space of technological improvement.
The utility model content
The purpose of this utility model is at the defective of prior art and deficiency, a kind of compact conformation is provided, arranges rationally, and it is little to take up room, but the modified massage armchair that zero-g is toppled over.
For achieving the above object, the utility model is by the following technical solutions:
A kind of modified massage armchair described in the utility model, comprise chair body and underframe, described chair body comprises interconnective back-rest and seat portion, described underframe front end supports and is provided with slide rail, slidably is provided with the roller slide block on the slide rail, and described underframe rear end is provided with swing component, described swing component bottom-hinged is on underframe, described swing component drives swing by drive source, and described roller slide block is articulated and connected with seat portion, and described swing component top and back-rest are articulated and connected.
Wherein, described slide rail comprises that symmetrical parallel props up two guide rails that stay at both sides on the underframe, and described roller slide block has two, is located at slidably respectively on two guide rails, and described two roller slide blocks are hinged with seat portion two bottom sides respectively.
Further, described guide rail front end height is greater than the height of guide rail rear end.
Wherein, described swing component comprises two forks that are symmetrically set in both sides on the underframe, two forks connect by synchronising (connecting) rod, described two fork lower ends and underframe are hinged, the back-rest both sides are hinged respectively in two fork upper ends, described drive source one end is articulated on the underframe, and the drive source other end and synchronising (connecting) rod are hinged.
Further, described drive source is cylinder, oil cylinder or electric pushrod.
The utility model beneficial effect is: the utility model passes through slide rail, the roller slide block, the cooperation of drive source and swing component, can realize effectively that back-rest and seat portion integral position move and topple over, make the utility model when installation arranges, the distance of back-rest and between the walls greatly reduces than prior art, has effectively saved the utility model and has taken up space, greatly saved use cost, be conducive to apply.The utility model compact conformation, reasonable in design, it is little to take up room.
Description of drawings
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is another visual angle overall structure schematic diagram of the utility model;
Fig. 3 is the structural representation under a kind of duty of the utility model;
Fig. 4 is the structural representation under the another kind of duty of the utility model.
Among the figure:
100, underframe; 200, seat portion; 300, back-rest; 400, fork;
500, drive source; 550, synchronising (connecting) rod; 600, roller slide block; 700, wall;
110, guide rail;
104, the pin joint of underframe and fork; 105, the pin joint of underframe and drive source;
206, the pin joint of seat portion and roller slide block; 304, the pin joint of back-rest and fork;
405, the pin joint of synchronising (connecting) rod and drive source.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
To shown in Figure 2, a kind of modified massage armchair described in the utility model comprises chair body and underframe 100 as Fig. 1, and described chair body comprises interconnective back-rest 300 and seat portion 200, and above-mentioned parts constitute the utility model agent structure.
Described underframe 100 front ends support and are provided with slide rail, slidably are provided with roller slide block 600 on the slide rail, and described roller slide block 600 is articulated and connected with seat portion 200.Particularly, described slide rail comprises that symmetrical parallel props up two guide rails 110 that stay at both sides on the underframe 100, described roller slide block 600 has two, be located at slidably respectively on two guide rails 110, described two roller slide blocks 600 are hinged with seat portion 200 two bottom sides respectively, are the pin joint 206 of seat portion and roller slide block.Need to prove that for keeping the uniformity of balance and motion, two roller slide blocks 600 are symmetrical arranged.
What deserves to be mentioned is that described guide rail 110 front end height arrange like this greater than the height of guide rail 110 rear ends, the process that is conducive to back-rest 300 and the 200 whole reaches of seat portion realizes toppling over function.
Described underframe 100 rear ends are provided with swing component, and described swing component bottom-hinged is on underframe 100, and described swing component drives swing by drive source 500, and described swing component top and back-rest 300 are articulated and connected.Particularly, described swing component comprises two forks 400 that are symmetrically set in both sides on the underframe 100, two forks 400 connect by synchronising (connecting) rod 550, described two fork 400 lower ends and underframe 100 are hinged to be the pin joint 104 of underframe and fork, difference back-rest 300 both sides, two fork 400 upper ends are hinged to be the pin joint 304 of back-rest and fork, described drive source 500 1 ends are articulated on the underframe 100, pin joint 105 for underframe and drive source, drive source 500 other ends and synchronising (connecting) rod 550 are hinged, are the pin joint 405 of synchronising (connecting) rod and drive source.
Need to prove that described drive source 500 can be cylinder or oil cylinder or electric pushrod.
The pin joint 405 of pin joint 105, synchronising (connecting) rod and the drive source of pin joint 104, underframe and the drive source of described underframe and fork forms a three-legged structure.Distance between the pin joint 104 of described underframe and fork and the pin joint 105 of underframe and drive source is constant all the time; Distance between the pin joint 104 of underframe and fork and the pin joint 405 of synchronising (connecting) rod and drive source is constant all the time; The pin joint 105 of underframe and drive source can change along with the action of drive source 500 with the distance of the pin joint 405 of synchronising (connecting) rod and drive source.When drive source 500 is failure to actuate when locked, the pin joint 105 of underframe and drive source and the fixed distance of the pin joint 405 of synchronising (connecting) rod and drive source, fork 400 with regard to stable device on underframe 100.
The pin joint 405 of pin joint 206, synchronising (connecting) rod and the drive source of the pin joint 304 of described back-rest and fork, seat portion and roller slide block forms a three-legged structure.Distance between the pin joint 304 of back-rest and fork and the pin joint 405 of synchronising (connecting) rod and drive source is constant all the time; Distance between the pin joint 206 of the pin joint 304 of back-rest and fork and seat portion and roller slide block is constant all the time; Distance between the pin joint 206 of seat portion and roller slide block and the pin joint 405 of synchronising (connecting) rod and drive source can change with moving of seat portion 200 along with back-rest 300.When drive source 500 is failure to actuate, fork 400 has just been lost the action that driving back-rest 300, seat portion 200 move, fixed distance between the pin joint 206 of seat portion and roller slide block and the pin joint 405 of synchronising (connecting) rod and drive source, back-rest 300 and seat portion 200 are with regard to stable being supported on pin joint 304 and the pin joint 206.
As shown in Figure 3, keep suitable distance between the utility model and the wall 700, drive source 500 is in elongation state, and locking is failure to actuate; Back-rest 300 is in the vertical state of class, at this moment, the utility model is fit to seating, at this moment, topple over back 300 if desired, start drive source 500, drive source 500 beginnings are slowly shortened, by synchronising (connecting) rod with the pin joint 405 pulling synchronising (connecting) rods 550 of drive source with and the fork 400 of both sides swing forward, under the effect of drive source 500, back-rest 300 moves forward with seat portion 200, this moment, roller slide block 600 slid into front end forward along guide rail 110, in process, back-rest 300 and the 200 whole reaches of seat portion are also slowly toppled over, as shown in Figure 4.Need to prove, in the process that back-rest 300 and seat portion 200 integral body are toppled over, the utility model need not to adjust integral position, and at the beginning of setting is installed, distance between back-rest 300 and the wall 700 has reached the purpose in effective saving space much smaller than the length of back-rest 300.
The above only is preferred embodiments of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.