JPH0311018Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a sounding ball that is particularly suitable as a play ball for young children.

BACKGROUND ART Conventionally, as a ball having a sound-sounding function, for example, a ball having a structure in which a bell is placed inside a hollow ball and the bell is made to ring as the ball moves is known. With this configuration, the sound is generated in response to various movements of the ball, such as when the ball is kicking or rotating, and the sensitivity cannot be adjusted, so there is no regularity in the sounding operation, and the bell does not sound when the ball is inside the ball. Since it is rolled, it does not necessarily feel good during use, and on the contrary, it has disadvantages such as losing interest in exercise.

Purpose of the invention The present invention realizes a sounding ball by housing an electric sounding circuit that is activated by an external impact or manual operation in a storage part connected to a tube, and prevents deformation of the storage part due to internal pressure of the tube. The purpose is to protect the parts and improve durability.

Composition of the invention The present invention is a sounding ball that stores an electric sounding circuit unit in a storage part connected to a tube, and prevents the storage part provided at the joint part of the storage part and the tube from changing in shape. The main component is a reinforcing member.

Embodiment In FIG. 1, reference numeral 1 indicates a sounding ball according to the present invention, and a ball having an air-tight tube in the innermost layer, such as a handball, a dodge ball, or a soccer ball, is used. Reference numeral 2 denotes a lid member provided at a suitable location on the surface of the sounding ball 1, for example, on the surface facing an air injection valve (not shown), and a sounding circuit unit is housed inside this lid member. 3 is a sound emitting hole formed in the lid member 2.

In FIGS. 2 and 3, 4 is a sound generation circuit unit, and 5 is a storage section that houses this sound generation circuit unit 4.The total weight of these is set to be approximately equal to the weight of the valve part, and therefore, the weight of the ball is approximately equal to the weight of the valve part. The center and center of gravity are the same. Specifically, due to the integration of the sound generation circuit unit 4, the total weight including the storage section 5 is approximately
It can be kept to around 20g to 30g. On the other hand, since the weight of the valve is typically about 8 grams, the balancer weighs about 12 to 22 grams. Normally, a play ball for infants, such as a dodge ball for infants, weighs about 200 to 380 g, so the total weight of the sound generation circuit unit 4, storage section 5, and balancer of about 32 to 52 g is the weight of the ball. Since the center of gravity and the center of the ball coincide, there is virtually no effect on motion. FIG. 2 shows the state in which the sound generation circuit unit 4 is installed, and FIG. 3 shows the state before it is installed. The lid member 2 is made of an elastic material such as rubber or synthetic resin, and is fitted into the opening 6 provided in the ball 1 .

The sound generation circuit unit 4 includes a circuit board 7, a circuit section 8 including an integrated circuit, an integration circuit, a waveform shaping circuit, an oscillation circuit, or a melody generation circuit, a boost coil 9, a piezoelectric speaker 10, and a shock sensor 11. is integrally molded inside the resin case 12. A battery 13 is housed in the resin case 12, and is attached and detached via a resin screw member 14. The piezoelectric speaker 10 includes a piezoelectric element 1
5. It consists of a diaphragm 16 and a case 17 that covers these.The end portion 18 of the case 17 is made of metal or plastic, and the case center portion 19 is made of an elastic material such as rubber or synthetic resin. 20
is a sound emitting hole provided in the case center portion 19, and a sound emitting hole 3 formed in the lid member 2 is located above the sound emitting hole 20. The impact sensor 11 is
It consists of a cylindrical electrode 21 made of a conductive metal such as aluminum or copper, and a spherical electrode 23 made of a conductive metal such as iron supported by a spring 22 within the cylindrical electrode 21. Usually, both electrodes 21 and 23 are It is insulated and
When an impact is applied to the ball 1, the spherical electrode 23 swings, contacts the cylindrical electrode 21, and emits a signal. The sensitivity of the impact sensor 11 having such a configuration changes depending on the spring constant of the spring 22 or the weight and size of the spherical electrode 23, so the sensitivity can be adjusted by appropriately adjusting these values.

The storage section 5 includes a substantially cap-shaped bag body 24 made of a highly airtight, elastic material such as butyl rubber, and a hard storage case 25 made of plastic or light metal fixed inside the bag body 24. This storage case 25 has small holes 26, 26 bored in the bottom and sides, and when rubber is heated and vulcanized, it becomes semi-fluid and flows into the small holes 26, 26. It acts to fix the storage case 25 to the bag body 24. At this time, the rubber material is slightly protruded from the small holes 26, 26 into the storage part 5 space, and the protruding part 2
7 presses the sound generation circuit unit 4, thereby strengthening the fixation of the sound generation circuit unit 4 and protecting it. Incidentally, after being vulcanized, the housing portion 5 is adhered to the unvulcanized tube 28 via rubber glue, and is vulcanized and adhered thereto at the same time as the tube 28 is vulcanized. 29 is a groove in which the circuit board 7 of the sound generating circuit unit 4 engages. 30 is a flange portion formed to increase the adhesion area of the storage portion 5 to the tube 28. 31 is storage part 5 and tube 2
A reinforcing member is attached to the connecting portion of 8, for example, around the base of the collar portion 30 as shown in FIG. 5, and acts to prevent the cylindrical storage portion 5 from deforming. The reinforcing member 31 is preferably made of nylon woven fabric treated with RFL (resorcin formalin latex) to make it easier to adhere to rubber.

In addition to the tube 28 described above, the ball 1 includes a thread-wound layer 32 which functions to regulate the dimensions of the ball, reinforce it, and provide elasticity, a middle layer 33 made of an elastic rubber material such as natural rubber, and a material made of natural leather, synthetic leather, or rubber pieces. It is composed of the epidermal layer 34.

In FIG. 4, a manual switch 35 is used in place of the impact sensor 11, and is operated by pressing with a finger from the surface of the lid member 2.

FIG. 6 shows another embodiment of the present invention, in which a ring made of light metal such as aluminum or plastic is used as the reinforcing member 31 instead of the nylon fabric, and is adhered to the base of the collar 30.

Since the tube 28 is maintained at a considerably higher air pressure than the outside air, a force that pushes the storage section 5 outward is naturally exerted on the storage section 5 as well. This pressure opens the opening side of the storage section 5, making it easier for the sound generating circuit unit 4 to come out, and further pushing it out toward the ball surface side. In this case, the sounding ball 1 as a whole is deformed, and at the same time, external impact is likely to be applied to the sounding circuit unit 4 portion, reducing the durability of the sounding ball 1.

The reinforcing member 31 solves this problem, and by reinforcing the opening side of the storage section 5, it prevents the storage section 5 from deforming due to the internal pressure of the tube 28. The nylon woven fabric and ring shown as the reinforcing member 31 in FIGS. 5 and 6 may be embedded in the collar 30.

Effects of the Invention The present invention provides a reinforcing member to prevent deformation of the storage part at the joint part of the sound generating circuit unit storage part that is connected to the inner tube of the ball and projects inside the inner tube. This makes it possible to protect the storage section from deformation forces due to the pressure inside the tube, thereby maintaining the sphericity of the ball for a long period of time, and at the same time keeping the sound generating circuit unit in a state where it is less affected by external forces. can be kept.

[Brief explanation of the drawing]

The figures show an embodiment of the present invention; FIG. 1 is a front view of the sounding ball, FIG. 2 is a sectional view taken along the line of FIG. 1
A sectional view of a modified example, FIG. 5 is a perspective view showing the storage section,
FIG. 6 is a perspective view showing another embodiment of the storage section. 1...Sounding ball, 2...Lid member, 3, 20...
...Sound emitting hole, 4...Sound generation circuit unit, 5...Storage section, 24...Bag body, 25...Storage case, 31...
...Reinforcement member.

Claims (1)

[Claims for Utility Model Registration] (1) A ball having an air-tight tube in its innermost layer; a signal generating circuit comprising an impact sensor or a manually operated switch that detects the impact applied to the ball; A sound generation circuit unit that includes a sound generation signal generation circuit that generates a sound signal in response to a signal from the sound generation signal generation circuit, a sound generation circuit that generates sound generation in response to a sound generation signal from the sound generation signal generation circuit, and a battery that drives each of the circuits; The sound generating circuit unit is formed into a substantially hat shape having a flange and an opening, and is arranged to protrude inside the tube of the ball, and is fixed to the inner surface of the tube at the flange while maintaining airtightness. a storage section for the storage section; a lid member that closes the opening of the storage section on the surface of the ball body; a reinforcing member provided at the base of the flange of the storage section to prevent the storage section from changing shape; ball pronounced. (2) The sounding ball according to claim 1, wherein the reinforcing member is made of a nylon fabric treated with RFL. (3) The sounding ball according to claim 1, wherein the reinforcing member is constituted by a ring made of light metal or plastic.