Spring mattress with softness adjustable mechanism

Abstract

A spring mattress with a softness adjustable mechanism includes an upper mattress body, a lower mattress body, a plurality of springs, and a plurality of softness adjusting units. An accommodating space is formed between the upper mattress body and the lower mattress body. The springs and the softness adjusting units are disposed in the accommodating space. The softness adjusting units are spaced apart from each other, and the softness adjusting units respectively abut against the springs to adjust elasticities of the springs.

What is claimed is: 
     
         1 . A spring mattress with a softness adjustable mechanism, comprising:
 an upper mattress body;   a lower mattress body disposed below the upper mattress body; wherein the upper mattress body is spaced apart from the lower mattress body such that an accommodating space is formed between the upper mattress body and the lower mattress body;   a plurality of springs disposed in the accommodating space; wherein the springs are located between the upper mattress body and the lower mattress body, the springs are spaced apart from each other, and one end of each of the springs abuts against the upper mattress body or the lower mattress body; and   a plurality of softness adjusting units disposed in the accommodating space; wherein the softness adjusting units are located between the upper mattress body and the lower mattress body, the softness adjusting units are spaced apart from each other, and the softness adjusting units respectively abut against the springs to adjust elasticities of the springs.   
     
     
         2 . The spring mattress with the softness adjustable mechanism according to  claim 1 , wherein each of the softness adjusting units includes an airbag, the softness adjusting units are connected to an air pump, and the air pump is capable of inflating or deflating the softness adjusting units. 
     
     
         3 . The spring mattress with the softness adjustable mechanism according to  claim 2 , wherein the softness adjusting units are connected to a control unit, and the softness adjusting units are capable of being inflated or deflated through the control unit. 
     
     
         4 . The spring mattress with the softness adjustable mechanism according to  claim 1 , wherein either all of the springs respectively correspond in position to the softness adjusting units, or only some of the springs respectively correspond in position to the softness adjusting units. 
     
     
         5 . The spring mattress with the softness adjustable mechanism according to claim  1 , wherein one end of each of the softness adjusting units respectively abuts against the other end of each of the springs, and the other end of each of the softness adjusting units abuts against the lower mattress body or the upper mattress body. 
     
     
         6 . The spring mattress with the softness adjustable mechanism according to  claim 1 , wherein each of the springs and the corresponding softness adjusting unit are sleeved by a retractable sleeve, the retractable sleeve includes an inner sleeve and an outer sleeve, the outer sleeve is sleeved outside the inner sleeve, an upper end of the inner sleeve is connected to the upper mattress body, and a lower end of the outer sleeve is connected to the lower mattress body. 
     
     
         7 . The spring mattress with the softness adjustable mechanism according to  claim 6 , wherein a lower end of the inner sleeve is provided with a first positioning portion that protrudes from an outer wall of the inner sleeve, an upper end of the outer sleeve is provided with a second positioning portion that protrudes from an inner wall of the outer sleeve; wherein when the inner sleeve and the outer sleeve move relative to each other to extend to a predetermined length, the first positioning portion abuts against the second positioning portion. 
     
     
         8 . The spring mattress with the softness adjustable mechanism according to  claim 1 , further comprising: a movable body located between the upper mattress body and the lower mattress body; wherein the movable body is connected to a driving device, and the driving device is configured to push the movable body such that the movable body is capable of being adjusted to have different elevation angles. 
     
     
         9 . The spring mattress with the softness adjustable mechanism according to  claim 1 , wherein the softness adjusting units are respectively disposed below or above the springs.