Toy

Abstract

A toy includes: a space defining member that defines a specified space; and a detector provided outside the specified space and configured to detect a pressure change within the specified space in response to deformation of at least a part of the space defining member.

What is claimed is: 
     
         1 . A toy comprising:
 a space defining member that defines a specified space; and   a detector provided outside the specified space and configured to detect a pressure change within the specified space in response to deformation of at least a part of the space defining member.   
     
     
         2 . The toy according to  claim 1 , wherein
 the detector includes a displacement member that changes a position in response to a pressure change in the specified space, and a pressure sensor, and   the pressure sensor detects an amount of change in pressure applied to the pressure sensor by the displacement member in response to displacement of the displacement member.   
     
     
         3 . The toy according to  claim 2 , wherein
 the displacement member is provided in contact with the space defining member and is configured to be displaced in a predetermined direction in response to the deformation of the at least a part of the space defining member.   
     
     
         4 . The toy according to  claim 3 , wherein
 the detector further includes a biasing member that biases the displacement member in a direction away from the pressure sensor.   
     
     
         5 . The toy according to  claim 3 , wherein
 the displacement member is apart from the pressure sensor when the space defining member is not deformed, and is configured to come into contact with the pressure sensor when the at least a part of the space defining member is deformed and the pressure in the specified space increases.   
     
     
         6 . The toy according to  claim 2 , wherein
 the space defining member includes a first sheet member having elasticity, and   the first sheet member coordinates with the displacement member.   
     
     
         7 . The toy according to  claim 2 , wherein
 the space defining member includes a first sheet member having elasticity and a second sheet member having elasticity,   the second sheet member constitutes at least a part of an outer shell of the toy, and   the first sheet member is configured to elastically deform to come into contact with the displacement member in response to elastic deformation of the second sheet member.   
     
     
         8 . The toy according to  claim 7 , wherein
 the first sheet member is configured to have a larger amount of elastic deformation in response to a pressure change in the specified space than the second sheet member.   
     
     
         9 . The toy according to  claim 8 , wherein
 a thickness of the first sheet member is thinner than a thickness of the second sheet member.   
     
     
         10 . The toy according to  claim 9 , wherein
 the second sheet member has a bulging shape when an internal air pressure of the specified space is at essentially atmospheric pressure, and is configured to be elastically deformable by pressure from the outside.   
     
     
         11 . The toy according to  claim 10 , wherein
 the detector includes a displacement member that changes a position in response to a pressure change in the specified space, and a pressure sensor,   the pressure sensor detects an amount of change in pressure applied to the pressure sensor by the displacement member in response to displacement of the displacement member,   the toy further comprises:
 an accommodating member that accommodates the pressure sensor, and 
 a holding member that holds the second sheet member on the accommodating member, 
 the second sheet member is provided such that the second sheet member covers the accommodating member, and 
 the holding member is attached to the accommodating member constricting the accommodating member via the second sheet member. 
   
     
     
         12 . The toy according to  claim 11 , wherein
 the accommodating member includes a cylindrical outer wall surface having a cylindrical shape and an annular flange portion protruding radially outward from the cylindrical outer wall surface,   the second sheet member includes a first seal portion capable of being in contact with the cylindrical outer wall surface and a second seal portion capable of being in contact with the annular flange portion, and   the holding member includes a first constricting abutment portion capable of constricting at least a boundary portion between the first seal portion and the second seal portion.   
     
     
         13 . The toy according to  claim 12 , wherein
 the first constricting abutment portion presses the first seal portion toward the cylindrical outer wall surface in a constricting direction of the holding member.   
     
     
         14 . The toy according to  claim 13 , wherein
 the holding member includes second constricting abutment portions capable of constricting the first seal portion toward the cylindrical outer wall surface, and   the second constricting abutment portions are provided in a direction away from the annular flange portion.   
     
     
         15 . The toy according to  claim 2 , wherein
 the displacement member includes a pressing portion in contact with the pressure sensor and a contact portion in contact with a part of the space defining member, and   an area of the pressing portion is smaller than an area of the contact portion.   
     
     
         16 . The toy according to  claim 7 , wherein
 a first area of a portion of the second sheet member is thinner than another area and is recessed inwardly into the specified space.   
     
     
         17 . The toy according to  claim 16 , wherein
 the second sheet member includes a second area adjacent to the first area, and   the second area protrudes in an opposite direction to the first area and is thicker than the first area.   
     
     
         18 . The toy according to  claim 1 , further comprising:
 a regulating valve configured to regulate pressure inside the specified space, wherein   the detector includes a displacement member that changes a position in response to a pressure change in the specified space, and a pressure sensor,   the pressure sensor detects an amount of change in pressure applied to the pressure sensor by the displacement member in response to displacement of the displacement member,   the toy further comprises an accommodating member that accommodates the pressure sensor, and   the regulating valve is provided inside the accommodating member.   
     
     
         19 . The toy according to  claim 18 , wherein
 the regulating valve includes:   a valve portion configured to open and close an air hole that communicates with the specified space,   a load point portion provided away from the valve portion, the load point portion being configured to press the valve portion against the air hole and release the pressing, and   a fulcrum portion disposed across the valve portion from the load point portion and engaging with the accommodating member, and
 the valve portion is opened and closed by engagement of the fulcrum portion and adjustment of the load point member provided on the load point portion. 
   
     
     
         20 . The toy according to  claim 19 , wherein
 the regulating valve is covered by an outer lid of the accommodating member, and only the load point portion is accessible from the outside.