JPH04103183U - swing body - Google Patents

Abstract

(57) [Summary] [Objective] The object is to provide a swinging body that is automatically notified when the number of swings reaches a desired number. [Structure] An output is generated from the differential transformer 3 installed at the grip position of the racket for each swing, and the number of occurrences is counted by the down counter 6. When the value reaches a preset value, the output is output from the generator 16. A notification sound is generated.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a swing body.

0002

[Conventional technology]

For example, when practicing swinging a tennis racket or baseball bat, the person must use his/her head to I do this while counting the number of practice swings.

0003

[Problem that the idea aims to solve]

As a result, there were inconveniences such as making mistakes in counting and being unable to concentrate on the practice swing.

0004 Therefore, the present invention was developed when a racket, bat, etc. is swung a preset number of times. By providing a swing body that automatically notifies you when the This allows you to concentrate on your comb and practice swing.

[0005]

[Means to solve the problem]

The present invention uses a counting device to count the output of a detection device that is sensitive to acceleration above a predetermined value, When this count value exceeds a preset value, the generator generates a notification sound. The above objectives have been achieved.

[0006]

【Example】

An embodiment of the present invention will be described below based on the drawings. In Figure 1, 1 is an exercise equipment A tennis racket with a swing counter 2 embedded in the end of its grip. It constitutes a swing body. The number counter 2 will now be described in detail with reference to FIG. 3 is a differential transformer, and 4 is a DC output of the displacement position of the magnetic core 3a of the differential transformer 3. A conversion circuit 5 converts the output from the conversion circuit 4 to a predetermined level or higher (swing This is a clipper circuit that produces an output when the acceleration is above a predetermined value. differential transformer 3, The conversion circuit 4 and clipper circuit 5 constitute a detection device. 6 is chestnut A down counter 7 is driven by the output of the upper circuit 5, and 7 pre-counts the number of swings. 8 is a decoder, 9 is a drive circuit, and 10 is a display device. Ru. 11 to 13 are resistors, and by selecting these with the switch 14, The level of the clipper circuit 5 is set. 15 means that down counter 6 has reached 0. 16 is a sounding device.

[0007] In the above configuration, the preset device 7 allows the desired number of swings to be downloaded. preset to counter 6. Then, swing racket 1 with an acceleration higher than the predetermined acceleration. By doing so, the magnetic core 3a of the differential transformer is displaced by a predetermined amount or more, and the conversion circuit is An output of a predetermined level or higher is generated from the circuit 4, and an output is generated from the clipper circuit 5.

[0008] This is counted by the down counter 6 and the remaining number of swings is displayed on the display device 23. Is displayed.

[0009] Note that resistors 11 to 13 can be selected using the switch 14 depending on the slow speed of the swing. By doing so, the number of swings can be reliably counted without malfunction.

0010 Then, when the above-mentioned desired number of practice swings have been performed, the contents of the down counter 6 become 0. Then, an output is generated from the 0 discrimination circuit 15 and a notification sound is generated from the sound generation device 16.

[0011] Therefore, if you perform practice swings a predetermined number of times, you will be notified by a sound. This allows you to practice your practice swings without having to count the number of practice swings or look at the display. It allows you to concentrate.

0012 Note that the swing counter can not only be attached to a tennis racket as in this example; Swinging kendo bamboo swords, baseball bats, badminton, table tennis rackets, etc. It can be applied to any exercise equipment.

[0013]

[Effect of the idea] As described above, according to the present invention, when the number of swings reaches the desired number of swings, the You will be notified of this fact, so you can practice swing without having to count the number of swings as before. This allows you to concentrate on your practice and practice effectively.

[Brief explanation of drawings]

[Fig. 1] A perspective view showing an embodiment of the present invention.

[Figure 2] Electrical circuit block diagram showing an example of a counter

[Explanation of symbols]

1...Racket 2...Swing counter 3...Differential transformer 4...Conversion circuit 5... Clipper circuit 6...Down counter 16...Sounding device

Claims (1)

[Scope of utility model registration request] Claim 1: A detection device that is sensitive to acceleration of a predetermined value or more, a counting device that receives an output from the detection device and generates an output when counting a preset value, and a counting device that receives the output from the counting device. and a sounding device that generates a notification sound.
A swing body characterized in that it is provided on an exercise tool that is gripped and swung by hand.