CN1375346A - Automatic Adjuster for Center of Gravity Using Object Centrifugal Force - Google Patents

Abstract

An automatic center of gravity position adjuster utilizing the centrifugal force of an object comprises a hollow tube body, a weight element, an elastic member and a base are arranged in the hollow tube body, one end of the weight element is connected to the elastic member, and the elastic member is connected to the base. The center of gravity is located in the hand grip area in normal state, when the user swings the tube body forward rapidly, the weight element instantly and automatically shifts toward the front end of the tube body, causing the center of gravity to shift forward at the same time, when the swinging force of the tube body disappears, the center of gravity automatically returns to its original position, so as to automatically change the center of gravity position of the tube body during use, thereby increasing the force of the strike to several times.

Description

Automatic Adjuster for Center of Gravity Using Object Centrifugal Force

(1) Technical field

The invention relates to an automatic adjuster for the position of the center of gravity using the centrifugal force of an object.

(2) Background technology

General swinging sports equipment, such as tennis rackets, pull back rackets, badminton rackets, table tennis rackets, bats, golf clubs, etc., all have a fixed center of gravity position when the body is swinging, and the center of gravity position varies with various The shape and weight of the utensil body vary, some may be located at the front end of the utensil body, and may also be located at the end area of the utensil body, and the position of the center of gravity of the utensil body does not change with the swinging action of the utensil body. The power out is limited. If the center of gravity of the appliance is at the end, it is only good for the user to hold it stably, but it is not conducive to increasing the force of the strike, and sometimes it is difficult to apply force to swing. For example, when the center of gravity of the appliance is at the front, the user is easy to shake and not easy to swing. Stable grip and swing, so some utensils are designed with a structure that adds weight to the grip end or front end to change the position of its center of gravity, but it cannot have the advantages of easy grip and good swing effect.

According to physical principles and actual experiments, if the center of gravity of the appliance body is designed to be movable and shiftable, it will be located at the end of the appliance body (i.e. the grip end) in normal conditions, and will be displaced to the body when the appliance body is swung. The front end, so that the user will have a stable grip and greatly increase the power of the strike when swinging.

(3) Contents of the invention

The object of the present invention is to provide an automatic center-of-gravity position adjuster utilizing the centrifugal force of an object, which can be applied to swinging sports equipment (such as rackets and bats), and can automatically change the position of the sports equipment when in use. The position of the center of gravity can not only facilitate the stable grip of the sports equipment, but also achieve the effect of greatly increasing the firing force.

In order to achieve the above object, the present invention provides an automatic adjuster for the center of gravity position utilizing the centrifugal force of an object, which is characterized in that: it includes a hollow tube body, and a weight element, an elastic member and a base are arranged in the hollow tube body , one end of the weight element is connected to the elastic member, and the elastic member is connected to the base. In the normal state, the tension of the elastic member makes the weight element return to the hand-held area, and the center of gravity returns to the hand-held area due to the fixed posture factor and self-weight before swinging. When the user swings the tube body forward rapidly or When turning, the weight element generates a centrifugal force several times greater than the pull-back force of the elastic member, and the weight element immediately and automatically shifts toward the front end of the tube body immediately, and causes the center of gravity to move forward at the same time. When it disappears, the weight element will automatically return to its original position due to the pull-back force of the elastic member, and cause the center of gravity to return to the original position at the same time, so as to automatically change the position of the center of gravity of the tube body during use, thereby increasing its striking force. to several times.

The center of gravity position automatic adjuster utilizing the centrifugal force of an object is characterized in that the tube body can be made into the outer frame shape of a net-shaped racket (such as a tennis racket, a pull-back racket or a badminton racket, etc.), and the tube body is Two pipes are arranged on the upper and lower sides respectively, and the termination ends are set at the central junction of the front ends of the pipes.

The center of gravity position automatic adjuster using the centrifugal force of the object is characterized in that: the tube body can be made into the outer frame shape of a net-shaped racket, and a mesh wire frame is provided in the ring-shaped part formed by the tube body , the outer edge ring of the mesh wire frame is provided with a groove for the tube body to be fixed, and the central junction of the front end of the tube body is provided with a terminal end.

The automatic center-of-gravity position adjuster utilizing the centrifugal force of objects is characterized in that: the hollow pipe body can be set in a table tennis racket, the weight element is a sliding plate with a rounded outline, and the upper and lower surfaces are provided with There are a plurality of balls, a plurality of hollow parts are opened inside the table tennis racket, and hole seats and cylinders which fit into each other are respectively arranged on the two sides of the table tennis racket.

The center of gravity position automatic adjuster utilizing the centrifugal force of the object is characterized in that: the hollow pipe body can also be arranged in the bat, and the front and rear ends of the ball bat are provided with head caps and tail caps to fix the pipe body, The inside of the bat is hollow, and a plurality of grooves are provided on the inner wall of the bat, and a plurality of reinforcing elements with ribs on the surface are sleeved and fixed inside the bat. Elastic members, the ends of which bear against each other against each reinforcing element.

The center of gravity position automatic adjuster using the centrifugal force of the object is characterized in that: the hollow pipe body can also be set in the golf club, and the club head in front of the golf club is provided with a pipe communicating with the club , a plurality of hollowed out parts are arranged on the upper and lower surfaces of the club head.

In summary, the structure and advantages of the automatic center-of-gravity position adjuster utilizing the centrifugal force of objects of the present invention are as follows: it includes a weight element, an elastic member that can be elastically stretched and pulled back, a base, a middle Empty pipe body, etc., wherein one end of the weight element is connected to the base with an elastic piece, and the weight element, elastic piece, and base are placed in the pipe body. The fixed posture factor before swinging and the action of its own gravity return to the grip area. When the user swings the tube body forward or swings rapidly, the weight element will generate a centrifugal force several times greater than the pull-back force of the elastic element, while the weight The element is instantly and rapidly automatically shifted towards the front end of the tube body, and causes the center of gravity to shift forward simultaneously. When the movement of the tube body and the swinging force disappear, the weight element will automatically return to its original position due to the pulling back force of the elastic member, and cause the center of gravity to return to its original position at the same time. It can be used as a whole for swinging sports equipment (such as rackets, bats) to automatically change the center of gravity of the appliance during use, thereby increasing its hitting power several times.

The following are only detailed descriptions by means of specific embodiments, accompanied by accompanying drawings, so that various functions and characteristics of the present invention can be further understood and recognized:

(4) Description of drawings

Fig. 1 is a schematic cross-sectional view of the combined structure of the present invention.

FIG. 2 is an exploded schematic diagram of FIG. 1 .

Fig. 3 is a schematic diagram of the internal state of the pipe body when the pipe body of the present invention is swung. The figure shows that the weight element is automatically displaced to the front end of the pipe body.

Fig. 4 is a schematic diagram when the tube body of the present invention is swung and swung.

Fig. 5A is a schematic diagram of the structure of the present invention applied to a tennis racket. FIG. 5B is a partial structural schematic diagram of FIG. 5A , and FIG. 5C is a cross-sectional view of FIG. 5B .

Figures 6A, 6B, and 6C are schematic views of the internal state of the tube when the racket in Figures 5A, 5B, and 5C is swung. The figure shows that the weight element is automatically displaced to the front end of the pipe body.

Fig. 7A is a schematic diagram of the structure of the present invention applied to a badminton racket. FIG. 7B is a schematic diagram of a partial structure of FIG. 7A , and FIG. 7C is a cross-sectional view of FIG. 7B .

Fig. 8A is a schematic diagram of the structure of the present invention applied to a table tennis racket. Fig. 8B is a partial cross-sectional view of Fig. 8A.

Fig. 9A is a schematic diagram of the structure of the present invention applied to a ball bat. Fig. 9B is a right view of Fig. 9A, Fig. 9C is a schematic diagram of a partial structure of Fig. 9A, Fig. 9D and Fig. 9E are partial sectional views of D-D and E-E of Fig. 9A respectively, Fig. 9F and Fig. 9G are parts F and G of Fig. 9A respectively cutaway view.

Fig. 10 is a schematic diagram of the internal state of the club body when the club of Fig. 9A is swung. The figure shows that the weight element is automatically displaced to the front end of the rod.

Fig. 11A is a structural schematic view of another embodiment of the bat of the present invention. 11B and 11C are partial sectional views of FIG. 11A.

Fig. 12 is a schematic diagram of the internal state of the club body when the club of Fig. 11A is swung. The figure shows that the weight element is automatically displaced to the front end of the rod.

Fig. 13A is a schematic view of the structure of the present invention applied to a golf club. Figure 13B is a partial view of Figure 13A.

Fig. 14 is a schematic diagram of the internal state of the golf club in Fig. 13A when it is being swung. The figure shows that the weight element is automatically displaced towards the front end of the rod body.

(5) Specific implementation methods

Please refer to Fig. 1 and Fig. 2 at the same time, the basic structure of the center-of-gravity position automatic adjuster utilizing the centrifugal force of the object of the present invention is to include a weight element 10, an elastic member 20, a base 30, a hollow tube body 40, etc. , wherein the weight element 10 can be made of a plurality of spheres 11 weights (the embodiment of the present invention adopts stainless steel balls) to form a whole with a flexible wire body 12 strings, so that the weight element 10 can be properly deformed to adapt to various types of bending Tube body, and the weight of the weight element can be appropriately adjusted to increase or decrease, so as to adapt to everyone's physical strength; one end of the weight element 10 is connected to an elastic member 20 that can be elastically stretched and pulled back (the embodiment of the present invention adopts a stainless steel spring) and It is connected with the base 30 ; the base 30 is provided with a fixing base 32 , and the fixing base 32 is provided with a screw rod 31 to be connected with one end of the elastic member 20 .

Above-mentioned weight element 10, elastic member 20, base 30 are inserted in the hollow pipe body 40 after being assembled, and wherein base 30, fixed seat 32 are arranged at the place near the nozzle of pipe body 40, and make fixed seat 32 be A fixed shape, the base 30 is a rotatable shape, so that after the elastic member 20 has been used for many times to form a longer stretched shape due to elastic fatigue, the screw rod 31 can be rotated by rotating the base 30 to drive The elastic member 20 is displaced backward (or a screwdriver hole is provided on the end surface of the base 30 to directly drive the base 30 to rotate) to maintain the basic elastic force of the elastic member 20 .

Please refer to Fig. 1 and Fig. 3 at the same time. It can be seen from Fig. 1 that the weight element 10, the elastic member 20 and the base 30 are just located at the end of the hand-holding part area a of the pipe body 40 under the normal state of the present invention, and the elastic member 20 is now due to There is no external force to form an inwardly closed shape, and the weight element 10 is concentrated in the hand grip area a. In addition, when the user makes a swing or a preparatory action before swinging every time he holds it, he must fix his posture. Due to the gravity of its own weight, it will automatically fall down and return to its original position. At this time, the center of gravity of the internal weight of the tube body 40 can be located in the hand-holding area a, which is convenient for the user to hold and prepare before swinging.

Referring to Fig. 4 at the same time, when the user grasps the grip part area a of the tube body 40 and swings or swings the tube body 40 from the top or bottom or left or right forcefully forward, the weight element 10 will produce a momentary The centrifugal force that is several times greater than the pull-back force of the elastic member 20 automatically and immediately passes through the swing acceleration zone b and is located in the impact zone c and moves towards the end point d of the front end of the tube body 40. At this time, the center of gravity of the tube body 40 is located Automatically move forward to the front end area of the tube body 40, so that the center of gravity position of the tube body 40 can be changed automatically, so that the power it strikes can be increased several times, and it can be applied to swinging sports equipment as a whole (such as Tennis racket, bat, etc.), the embodiment of its use will be described later.

When the swinging and turning force of the tube body 40 disappears, the weight element 10 that has moved to the impact area c at the front end of the tube body 40 is immediately pulled back to its original position by the elastic restoring force naturally generated by the elastic member 20, forming an automatic return position. So that the user can continue to use continuously.

Read and refer to shown in Fig. 5A, 5B, 5C, pipe body 40 of the present invention can be made into the outer frame shape of net-shaped racket such as tennis racket 50, mainly be respectively provided with two pipes 41 up and down at the handle of racket. , 42 (because the outer frame of the tennis racket is thicker), for placing the weight element 10, the elastic member 20, the base 30, etc., and at the junction of the front ends of the pipelines 41, 42 (i.e. the front end of the racket), a terminal end 43 is established, Since the pipelines 41, 42 can be integrally formed into the outer frame of the tennis racket 50, the space between the upper and lower pipelines 41, 42 can be used to weave the network cable 51, so that the weight element 10 is positioned at the grip of the racket when the tennis racket 50 is held in a normal state. handle, to facilitate gripping, and when swinging (please refer to Figures 6A, 6B, and 6C), the weight element 10 will naturally follow the shape of the tube body 40 to hit the terminal end 43, so as to automatically adjust the center of gravity After that, the weight element 10 and the elastic member 20 will automatically return to their original state.

Please refer to shown in Fig. 7 A, 7B, 7C, pipe body 40 of the present invention can be made into the outer frame shape of badminton racket, and can preset a net wire frame 60 earlier for making things convenient for weaving net line 61, this net line frame 60 additionally The ring is provided with a groove 62 for fixing the pipe body 40, and the junction of the front end of the pipe body 40 (i.e. the front end of the racket) is also provided with a termination end 63, and its overall function is consistent with that of the above-mentioned tennis racket, and will not be repeated here. .

Please refer to shown in Fig. 8 A, 8B, elements such as weight member 10 of the present invention, elastic member 20, base 30, holder 32 also can be directly arranged in the pipeline 71 established in the table tennis racket 70 (at this moment pipeline 71 is It is the tube body 40 of basic type), wherein this weight member 10 can be the slippery plate (in order to adapt to the racket face of table tennis racket) of a rounded outline, is provided with a plurality of balls 13 on average on its upper and lower surface, so that the weight The element 10 is very smooth when sliding, and its overall function is consistent with that of the above-mentioned tennis racket, so it will not be repeated here. In addition, in order to reduce the weight of the overall table tennis racket 70 and improve the convenience of manufacturing the table tennis racket, a plurality of hollow parts 72 are provided inside the table tennis racket 70, and the fitting structure 73 of the hole seat and the cylinder reaches the top and bottom of the table tennis racket 70. The role of board surface is easy to combine.

9A to 9G, the weight element 10, the elastic member 20, the base 30, the tube body 40, etc. of the present invention can be set in the bat 80, and the head cover 81 provided at the front and rear ends of the bat 80 can 1. The tail cap 82 has the function of fixing the front and back of the tube body 40, wherein the weight element 10 can be made into a long rod shape in accordance with the shape of the bat 80, and the end of the weight element 10 is provided with a spiral portion 14, so that one end of the elastic member 20 can directly The sleeve is fixed, and its overall effect (see also shown in Fig. 10) is consistent with the above-mentioned tennis racket effect, repeats no more here. In addition, in order to reduce the weight of the overall bat 80 and increase the structural strength of the bat, the interior of the bat 80 is hollow, and a plurality of grooves 83 are provided on the inner wall of the bat 80, so that the plurality of surfaces have ribs 841. The reinforcing element 84 can be directly fixed by the guide sleeve and is evenly arranged inside the bat 80, so that the bat 80 will not be easily dented and deformed when the ball is swung. The top is against each strengthening element 84, so that the powerful vibration generated when the bat 80 hits the ball can effectively prevent the impact vibration through the setting of the elastic member 44, and at the same time prevent the strengthening element 84 from being damaged by the bat 80 after hitting the ball. The looseness that occurs.

Please refer to FIG. 11A to FIG. 11C, which is another embodiment of the structure of the bat 80 in FIG. The provided spiral portion 821, and its overall function (see also shown in Figure 12) is consistent with the above-mentioned tennis racket function, so it will not be repeated here. And the key point of the design of this embodiment is that when the weight element 10 makes the preparatory action before swinging or swinging when the user holds the bat 80 at every turn, when the front end of the bat 80 faces upwards towards the sky, the weight element 10 must be caused by its own body. The gravity of the weight automatically falls down and returns to its original position. In this way, the weight element 10 does not necessarily have to be connected with the elastic member 20, which also achieves the function of returning to its original position. In addition, the function of the elastic member 20 is to prevent the weight element 10 from returning to its original position. directly collides with the tail cover 82, so as to have the effect of elastic buffering.

Please refer to Fig. 13A, 13B, shown in Fig. 14, the weight element 10, the elastic member 20, the base 30 etc. of the present invention can be arranged in the golf club 90, and now the golf club 90 is like a basic tubular body, It can accommodate the main components, and the club head 91 in front of the golf club 90 is provided with a pipe 911 communicating with the club 90, and its overall function (see Figure 14) is consistent with the above-mentioned tennis racket function. Let me repeat. In order to reduce the weight of the club head 91 , a plurality of hollow parts 912 are provided on the upper and lower surfaces of the club head 91 .

When the present invention is actually implemented, it can be applied to articles with various appearances and shapes, such as batons, jai jai rackets, etc., rather than being limited to the above-mentioned embodiments of the present invention.

To sum up the above, the present invention uses the centrifugal force generated when the object is thrown and the force of the elastic member to pull itself back to restore, so that the center of gravity of the swinging utensil can be automatically adjusted and displaced while swinging, so that the hitting The output power is multiplied several times.

Claims (6)

1. automatic gravity center regulator that utilizes object centrifugal action power, it is characterized in that: it includes a hollow tube, be provided with weight element, elastic component and pedestal in this hollow tube, this weight element one end connects this elastic component, and this elastic component is connected with this pedestal.

2, the automatic gravity center regulator that utilizes object centrifugal action power as claimed in claim 1, it is characterized in that: this body is made the housing shape of net form racket, this body is in respectively being provided with two pipelines up and down, establishing clearing end in the central joint of this pipeline front end.

3, the automatic gravity center regulator that utilizes object centrifugal action power as claimed in claim 1, it is characterized in that: this body is a housing shape of making the net form racket, in the formed round part of this body, be provided with a netting twine frame in addition, this netting twine frame outer rim is equipped with groove, solid for this body cover, and the central joint of this body front end is provided with clearing end.

4, the automatic gravity center regulator that utilizes object centrifugal action power as claimed in claim 1, it is characterized in that: this hollow tube is arranged in the table tennis bat, this weight element is the mellow and full sliding plate of a gabarit, thereon, lower surface is provided with most balls, offer most hollow-out parts in this table tennis bat inside, be respectively equipped with the hole seat and the cylinder of mutual fit in the two sides of this table tennis bat.

5, the automatic gravity center regulator that utilizes object centrifugal action power as claimed in claim 1, it is characterized in that: this hollow tube is to be located in the bat, this bat front and back end is provided with skull, tail-hood is fixed this body, this bat inside is a hollow form, be provided with most bar grooves in this bat internal face, and making most surfaces have sheathed this bat inside of being fixed in of reinforced element of rib, this body outer cover is provided with most elastic components, its end each reinforced element of mutual contact.

6, the automatic gravity center regulator that utilizes object centrifugal action power as claimed in claim 1, it is characterized in that: this hollow tube is to be located in the golf clubs, be provided with the pipeline that communicates with club in the bar head in this golf clubs the place ahead, be provided with most roads hollow-out parts in this bar head upper and lower surface.

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