CN104864996B - A kind of club dynamometer - Google Patents

Abstract

The invention relates to a club dynamometer. The club dynamometer mainly includes a hollow cylindrical shell; a grip is fixedly installed on the upper surface of the top of the shell; A strong magnetic block is installed on the top of the inner cavity of the housing; a support base is installed on the bottom end of the inner cavity of the housing, and an infrared range finder is installed on the support base; the infrared range finder is electrically connected to the support base The control chip and power supply in the housing; a fixed slide bar coaxial with the housing is installed in the housing; a force measuring ring is slidably sleeved on the fixed slide bar, and the force measuring ring faces the described A strong magnetic column with the same polarity as the strong magnetic block is embedded on a ring surface of the strong magnetic block; the dynamometer is small in size, easy to assemble and disassemble, and can accurately display the hitting force, effectively improving the teaching and training effect of billiards .

Description

A ball bar dynamometer

technical field

The present invention relates to a billiard cue accessory, in particular, a dynamometer.

Background technique

Billiards is deeply loved by people from all walks of life because of its advantages of low difficulty in getting started, small amount of exercise, and high skill operation; ordinary players can relax and relax through billiards, and at the same time shorten the friendship with friends; professional players can play billiards in billiards Continuously improve your own skills, and then gain higher personal achievements and public recognition, and at the same time you can reap a lot of rewards; billiards pay attention to the angle and strength of hitting the ball. In the actual playing process, the angle can be observed intuitively, but the strength However, it cannot be shown directly, because the batting strength is not easy to express, which brings a lot of inconvenience to the teaching and training of billiards; if a large force measuring machine is used, it is not only expensive but also inconvenient to load and unload, which affects the training efficiency of billiards.

Contents of the invention

In view of the above problems, the present invention provides a cue dynamometer, which is small in size, easy to assemble and disassemble, can accurately display the hitting force, and effectively improves the teaching and training effect of billiards.

In order to solve the above problems, the technical solution adopted by the present invention is: the ball bar dynamometer mainly includes a hollow, cylindrical shell; a handle is fixedly installed on the upper surface of the top of the shell; A strong magnetic block is installed on the top of the inner cavity of the housing, and the direction of the magnetic force line of the strong magnetic block is parallel to the axis of the housing; a support base is installed on the bottom end of the inner cavity of the housing, and a There is an infrared range finder, the infrared rays emitted by the infrared range finder point to the inside of the housing and the infrared rays are parallel to the axis of the housing; the infrared range finder is electrically connected to the control chip and power supply located in the support seat; A fixed slide bar coaxial with the shell is installed in the housing; a force-measuring ring is slidably sleeved on the fixed slide bar, and a ring surface of the force-measuring ring facing the strong magnetic block is embedded The strong magnetic pillars with the same polarity as the strong magnetic block repel each other, and each of the strong magnetic pillars is evenly distributed in the circumferential direction on the ring surface of the force measuring ring with the axis of the force measuring ring as the center.

The beneficial effect of the present invention is that: the force-measuring ring can slide freely along the fixed slide bar; since the strong magnetic column and the strong magnetic block repel each other with the same pole, the force-measuring ring in the natural state Under the action of the magnetic repulsion force, it is at the bottom of the inner cavity of the shell; during the hitting process, the force measuring ring moves forward rapidly with the club, and the club stops after hitting the ball, while the force measuring ring continues to move under the action of inertia. Move forward; at this time, the distance between the force measuring ring and the bottom of the shell gradually increases. After the force measuring ring moves forward for a certain distance by inertia, the speed of the force measuring ring decreases to zero and is pushed back under the action of the strong magnetic block At the bottom of the shell, the distance between the force-measuring ring and the bottom of the shell cavity is zero; the infrared rangefinder measures the distance between the force-measuring ring and the bottom of the shell cavity in real time, and transmits the data to the control chip; the control chip By recording the maximum distance from the force measuring ring to the bottom of the inner cavity of the housing, the hitting force at that time can be obtained correspondingly.

Preferably, the grip is made of rubber material, and the inner wall of the grip is made into an internal thread; so as to securely set the club dynamometer on the grip of the club.

As a preference, small magnetic pieces are equidistantly embedded on the inner ring surface of the force measuring ring and the outer peripheral surface of the fixed sliding rod, and the small magnetic pieces on the inner ring surface of the force measuring ring are connected to the fixed sliding rod. The small magnetic pieces on the outer peripheral surface of the rod repel each other with the same pole; this structure can ensure that the force measuring ring is in a suspended state on the fixed sliding rod, effectively reducing the friction between the force measuring ring and the fixed sliding rod; thereby improving the force measurement of the club meter accuracy.

Description of drawings

Fig. 1 is a structural schematic diagram of an embodiment of the club dynamometer.

detailed description

Example

In the embodiment shown in Fig. 1, the ball bar dynamometer mainly includes a hollow, cylindrical housing 1; a handle 6 is fixedly installed on the upper surface of the top of the housing 1, so that The handle 6 is made of rubber material, and the inner wall of the handle 6 is made into an internal thread shape; a strong magnetic block 2 is installed on the top of the inner cavity of the housing 1, and the direction of the magnetic force line of the strong magnetic block 2 is in line with the The axes of the housing 1 are parallel; a support base 3 is installed at the bottom end of the inner cavity of the housing 1, and an infrared range finder 31 is installed on the support base 3, and the infrared rays emitted by the infrared range finder 31 point to Inside the housing 1 and the infrared rays are parallel to the axis of the housing 1; the infrared rangefinder 31 is electrically connected to the control chip 32 and the power supply located in the support seat 3; A fixed slide bar 4 coaxial with the body 1; a force measuring ring 5 is slidably sleeved on the fixed slide bar 4, and the force measuring ring 5 is embedded with the strong magnetic block 2 on a ring surface facing the strong magnetic block 2. The magnetic block 2 is a strong magnetic column 51 with the same polarity that repels each other, each of the strong magnetic columns 51 is centered on the axis of the force measuring ring 5 and is evenly distributed on the annulus of the force measuring ring 5; on the inner ring of the force measuring ring 5 The surface and the outer peripheral surface of the fixed slide bar 4 are respectively equidistantly embedded with small magnetic pieces 7, the small magnetic pieces 7 on the inner ring surface of the force measuring ring 5 and the outer peripheral surface of the fixed slide bar 4 The same poles of the small magnetic sheets 7 repel each other.

Since the small magnetic pieces 7 on the inner ring surface of the force-measuring ring 5 and the small magnetic pieces 7 on the outer peripheral surface of the fixed slide bar 4 repel each other with the same polarity, the force-measuring ring 5 is sleeved in a suspended state. On the fixed slide bar 4, the force-measuring ring 5 can slide freely along the fixed slide bar 4; since the force-measuring ring 5 does not contact the fixed slide bar 4, the wear of the force-measuring ring 5 will not occur, effectively prolonging the life of the dynamometer. service life; reduce the frictional resistance of the force measuring ring 5 at the same time, improve the accuracy of the force meter; because the strong magnetic column 51 and the strong magnetic block 2 repel each other with the same pole, the force measuring ring 5 in the natural state Under the action of the magnetic repulsion force of the strong magnetic block 2, it is located at the bottom of the inner cavity of the housing 1; during the hitting process, the force measuring ring 5 moves forward rapidly with the club, and the club stops after hitting the ball, and the measuring ring 5 The force ring 5 continues to move forward under the action of inertia; at this time, the distance between the force measurement ring 5 and the bottom of the housing 1 gradually increases, and after the force measurement ring 5 moves forward for a certain distance by inertia, the speed of the force measurement ring 5 reduced to zero and pushed back to the bottom of the housing 1 under the action of the strong magnetic block 2, at this time the distance between the force measuring ring 5 and the bottom of the inner cavity of the housing 1 is zero; the infrared rangefinder 31 measures the force measuring ring 5 in real time The distance from the bottom of the inner cavity of the shell 1, and transmit the data to the control chip 32; the control chip 32 can obtain the corresponding hitting ball at that time by recording the maximum distance from the bottom of the inner cavity of the shell 1 to the force measuring ring 5. Strength; through this method, in billiards teaching and training, coaches and players can clearly express the strength that could not be quantified, thereby improving the efficiency of teaching and training and reducing the difficulty of teaching.

The club dynamometer has a simple structure and a small shape, and can be easily installed on the handle of the club. The internal thread structure can ensure that the dynamometer and the club are closely connected to prevent falling off; the club dynamometer can also play a role Adjust the function of the center of the club; the club dynamometer calculates the strength of each shot by measuring the distance that the force measuring ring 5 slides forward due to inertia after each shot. During the measurement process, the force measuring ring 5 It is not in contact with other parts, which effectively improves the accuracy of measurement; compared with traditional dynamometers, this club dynamometer is easy to load, unload, and carry, and has high accuracy, which can effectively improve the training effect.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (3)

1. A club dynamometer, the club dynamometer mainly includes a hollow, cylindrical housing (1); Sleeve (6); characterized in that: a strong magnetic block (2) is installed on the top of the inner cavity of the housing (1), and the direction of the magnetic field line of the strong magnetic block (2) is parallel to the axis of the housing (1) ; A support base (3) is installed at the bottom of the inner chamber of the housing (1), and an infrared range finder (31) is installed on the support base (3), and the infrared range finder (31) The emitted infrared rays point to the inside of the casing (1) and the infrared rays are parallel to the axis of the casing (1); the infrared rangefinder (31) is electrically connected to the control chip (32) and the power supply in the support seat (3) ; A fixed sliding rod (4) coaxial with the housing (1) is installed in the housing (1); a force measuring ring (5) is slidably sleeved on the fixed sliding rod (4) A strong magnetic column (51) repelling the same polarity as the strong magnetic block (2) is embedded on a ring surface of the force measuring ring (5) facing the strong magnetic block (2), each of the strong magnetic The columns (51) are evenly distributed circumferentially on the annulus of the force-measuring ring (5) with the axis of the force-measuring ring (5) as the center. 2. The club dynamometer according to claim 1, characterized in that: the grip (6) is made of rubber material, and the inner wall of the grip (6) is made into an internal thread shape. 3. The club dynamometer according to claim 1 or 2, characterized in that: the inner ring surface of the force measuring ring (5) and the outer peripheral surface of the fixed sliding rod (4) are respectively equidistant Embedded with a small magnetic piece (7), the small magnetic piece (7) on the inner ring surface of the force measuring ring (5) is in the same polarity as the small magnetic piece (7) on the outer peripheral surface of the fixed slide bar (4) Rebuke.