TWI764805B - Parallel slip mechanism - Google Patents

Abstract

A parallel sliding mechanism includes a sliding rail assembly, a sliding block slidably arranged on the sliding rail assembly along an actuating direction, and a plurality of balls arranged between the sliding rail assembly and the sliding block. The sliding rail assembly and the sliding block cooperate to define two rolling spaces for placing the balls, two upper clearances that are respectively connected to the rolling spaces and located above the rolling spaces, and two edges that are respectively connected to the rolling spaces space and the underside clearance below these scroll spaces. The distances of the upper clearances are not equal to the distances of the lower clearances, so that the stress exerted on the balls by the slide rail assembly and the slider can be dispersed, thereby greatly reducing the wear of the balls.

Description

Parallel slip mechanism

The present invention relates to a parallel sliding mechanism, in particular to a parallel sliding mechanism which can be installed on the golf equipment to train the hand feeling of swing.

In ball sports such as baseball, golf, or tennis, players often need to swing a ball, such as a bat, club, or racket, to hit the ball, but when practicing a swing, it is often difficult for the player to know whether the current swing is It is impossible to confirm the effect of the swing and the correctness of the posture, and because the speed of the swing is fast, it is not easy for the coach to confirm it immediately during the swing process. This is a problem to be overcome in the current ball sports training. .

Therefore, the purpose of the present invention is to provide a parallel sliding mechanism that can produce a swipe feedback feel.

Therefore, the parallel sliding mechanism of the present invention defines an up-down direction, a lateral direction, and an actuation direction that are perpendicular to each other. The parallel sliding mechanism includes a sliding rail assembly, a sliding block slidably disposed on the sliding rail assembly along the operating direction, and a plurality of balls disposed between the sliding rail assembly and the sliding block. The slide rail assembly includes a seat portion, two side rail portions extending upward from the seat portion in the up-down direction and spaced apart from each other in the lateral direction, and a side rail portion extending downward in the up-down direction from the seat portion Each side rail part forms a rolling groove extending along the actuation direction.

The slider includes a guide rail portion located between the side rail portions along the lateral direction, and an upper connecting portion extending upward from the guide rail portion along the vertical direction. The guide rail portion forms two guide grooves on opposite sides in the lateral direction. Each guide groove extends along the actuation direction and faces one of the rolling grooves. The guide groove cooperates with the corresponding rolling groove to define a rolling space around it. The guide rail part cooperates with the side rail parts to define two upper side gaps that are respectively connected to the rolling spaces and located above the rolling spaces, and two edges that are respectively connected to the rolling spaces and located below the rolling spaces. gap. The distance of the upper gaps in the lateral direction is not equal to the distance of the lower gaps in the lateral direction. The balls are located in the rolling spaces and are in rolling contact with the side rail parts and the guide rail part.

The effect of the present invention is that: the lower connecting part and the upper connecting part can be combined with the hand-held end and the hitting end of the golf equipment, respectively. At this time, the upper connecting part and the lower connecting part are arranged coaxially. When the user moves along the When the ball is swiped in the correct direction, the slide rail assembly (or the slider) connected to the hitting end will slide along the action direction relative to the slider (or the slide rail assembly) connected to the hand-held end, thereby The transmission feeling and sound of power are generated, allowing users to grasp the correct feel of the swing, so as to achieve a better training effect. In addition, the upper clearances and the lower clearances are staggered from each other, so that the stress exerted on the balls by the slide rail assembly and the slider can be dispersed, thereby greatly reducing the wear of the balls.

Referring to FIG. 1, FIG. 2, and FIG. 3, it is an embodiment of the parallel sliding mechanism of the present invention. First, define an up-down direction A, a lateral direction B, and an action direction C that are perpendicular to each other. It should be noted that the upper and lower mentioned in this embodiment are only reference directions for assisting understanding, and do not affect the direction configuration in practical application of this embodiment. The parallel sliding mechanism includes a sliding rail assembly 1 , a sliding block 2 slidably disposed on the sliding rail assembly 1 along the action direction C, and a plurality of sliding blocks 2 disposed between the sliding rail assembly 1 and the sliding block 2 The balls 3 and four guards 4 inserted on the slide rail assembly 1 along the lateral direction B.

The slide rail assembly 1 includes a seat portion 11 , two side rail portions 12 extending upward from the seat portion 11 along the vertical direction A and spaced apart from each other along the lateral direction B, and a side rail portion 12 extending from the seat portion 11 The lower connecting portion 13 extends downward along the vertical direction A. The seat portion 11 forms a chute 111 extending along the action direction C. The length of the chute 111 can be designed according to different requirements. For example, when applied to golf clubs, its length can be 0.65 mm, when applied to baseball bats, its length can be 3.5 mm, and when applied to tennis rackets , and its length can be 3.0 mm, which can give a better feedback feel, but it is not limited to this. Each side rail portion 12 is formed with a rolling groove 121 extending along the action direction C and facing the other side rail portion 12 on the inner side wall. The lower connecting portion 13 is tubular, and surrounds a lower slot 131 located below the chute 111 and communicating with the chute 111 . It should be noted that the chute 111 does not necessarily need to be connected to the lower slot 131 . Connected, this is only an example, and should not be limited to this in actual manufacturing.

The slider 2 includes a guide rail portion 21 located between the side rail portions 12 along the lateral direction B, an upper connecting portion 22 extending upward from the guide rail portion 21 along the vertical direction A, and a The guide rail portion 21 extends downward along the up-down direction A and extends to the limiting portion 23 in the chute 111 . Two guide grooves 211 extending along the actuating direction C are formed on the guide rail portion 21 on opposite sides along the lateral direction B. Each guide groove 211 faces one of the rolling grooves 121 , and the two cooperate to define a surrounding area. A scrolling space 5. The upper connecting portion 22 is tubular and surrounds an upper slot 221 coaxial with the lower slot 131 . The guide rail portion 21 cooperates with the side rail portions 12 to define two upper side gaps 61 which are respectively connected to the rolling spaces 5 and located above the rolling spaces 5 , and two edges which are respectively connected to the rolling spaces 5 and located in the rolling spaces 5 . The lower gap 62 below the rolling space 5 . The upper gaps 61 and the lower gaps 62 both extend along the action direction C, and the distance D of the upper gaps 61 in the lateral direction B is not equal to the lower gaps 62 in the lateral direction The distance E on B, that is, an upper gap 61 and a lower gap 62 connected to each rolling space 5 are located on opposite sides of the central axis of the rolling space 5 along the lateral direction B. The width of each upper gap 61 and each lower gap 62 in the lateral direction B can be freely adjusted according to requirements. The outer diameter of the limiting portion 23 is smaller than the inner diameter of the chute 111 in the action direction C, so that the limiting portion 23 can slide along the chute 111 in the action direction C, and accordingly the chute 111 can be a round hole, an oval hole or an elongated hole, but not limited thereto.

The balls 3 are divided into two groups and are respectively accommodated in the rolling spaces 5 . Each ball 3 is in rolling contact with the side rail portion 12 in the rolling groove 121 , and is in rolling contact with the rail portion in the guide groove 211 . 21 rolling contacts. It should be noted that, after the balls 3 are placed, the guide rail portion 21 will be moved upward and spaced apart from the bearing portion 11 along the vertical direction A by a small distance, so as to avoid the guide rail portion 21 and the bearing seat. Frictional force is generated between the parts 11 . The guards 4 are inserted into the side rails 12 in pairs along the lateral direction B, and can be fixed by means of pins or screws. Each set of guards 4 is spaced apart along the actuation direction C and located outside the balls 3 , and extends along the lateral direction B into the corresponding rolling space 5 . The balls 3 can be confined in the rolling spaces 5 through the guards 4 , and the balls 3 to be replaced can be taken out as long as the corresponding guards 4 are detached, thereby improving maintenance convenience.

1, 2, and 4, the balls 3 enable the slide rail assembly 1 and the slider 2 to slide relative to each other along the action direction C, which makes the lower connecting portion 13 and the upper connecting portion 22 as 4 deviates from each other along the action direction C, so that the lower slot 131 and the upper slot 221 are no longer coaxial, until the limiting portion 23 moves along the action direction C to the end of the chute 111, so that the The slider 2 can no longer slide relative to the slide rail assembly 1 . During the aforementioned sliding process, the dislocation of the upper gaps 61 and the lower gaps 62 can disperse the stress exerted on the balls 3 by the side rail portions 12 and the guide rail portion 21 , thereby greatly reducing the Wear of these balls 3 .

This embodiment has various applications, and can be installed on golf clubs, baseball bats, tennis rackets, other golf equipment or sporting goods, cutting the golf equipment into a driving end (such as the driving end of a golf club) for the user to hold the force. The shaft or the grip of a tennis racket), and the striking end for hitting the ball (such as a golf club head or a tennis racket face), the upper slot 221 and the lower slot 131 are respectively connected to the The driving end and the striking end, when the user holds the driving end and swings, under the condition that the force is correct, the slide rail assembly 1 will move relative to the slider 2 along the action direction C, so that the original coaxial As shown in Figure 4, the driving end and the striking end of the The action direction C moves for a short period of time, resulting in an obvious feedback feel similar to throwing a rod, and an impact sound will be generated when the limiting portion 23 reaches the end of the chute 111, through the aforementioned feedback feel and sound, the user's strength can be prompted During the transmission process, ensure that the swipe posture is correct and achieve the effect of training. The optimal offset distance between the driving end and the hitting end can be set by adjusting the length of the chute 111 according to the type of golf equipment. For example, when applied to golf clubs, the length can be 0.65 mm. When used as a baseball bat, its length can be 3.5 mm, and when applied to a tennis racket, its length can be 3.0 mm, so as to produce a suitable and suitable feedback feel for different swing characteristics of golf equipment. It should be noted that, the lower slot 131 can also be inserted into the driving end, and the upper slot 221 can also be inserted into the striking end, which is not limited in actual use.

To sum up, the present invention allows the user to obtain a feedback feel, feel the process of power transmission, and achieve the effect of posture correction when practicing swing/beat/stick, and can adjust the length of the chute 111 The hand feel is fine-tuned to correspond to other different types of ball equipment, and through the setting of the upper gaps 61 and the lower gaps 62, the wear of the balls 3 can be reduced, thereby increasing the smoothness of the present embodiment. and the service life of the balls 3, so the purpose of the present invention can be achieved indeed.

However, the above are only examples of the present invention, and should not limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the application for patent of the present invention and the content of the patent specification are still within the scope of the present invention. within the scope of the invention patent.

1: Slide rail assembly 11: Bearing part 111: Chute 12: Side rail part 121: Rolling groove 13: Lower connector 131: Lower slot 2: Slider 21: Rail part 211: Guide groove 22: Upper connecting part 221: Upper slot 23: Limiting part 3: Ball 4: Guards 5: Scroll space 61: Upper side clearance 62: Lower side clearance A: Up and down direction B: Lateral direction C: Action direction D: distance E: distance

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: 1 is an exploded perspective view illustrating an embodiment of the parallel sliding mechanism of the present invention; FIG. 2 is a perspective view illustrating a combined aspect of the embodiment; Figure 3 is a side view illustrating a side view of this embodiment as viewed in an actuating direction; and FIG. 4 is a schematic diagram illustrating the operation of this embodiment.

1: Slide rail assembly

11: Bearing part

111: Chute

12: Side rail part

121: Rolling groove

13: Lower connector

2: Slider

21: Rail part

211: Guide groove

22: Upper connecting part

221: Upper slot

23: Limiting part

3: Ball

4: Guards

A: Up and down direction

B: Lateral direction

C: Action direction

Claims (6)

A parallel sliding mechanism defines an up-down direction, a lateral direction, and an actuating direction that are perpendicular to each other, comprising: a slide rail assembly, including a seat portion, two from the seat portion upward along the up-down direction side rail portions extending and spaced apart from each other along the lateral direction, and a lower connecting portion extending downward from the bearing portion along the up-down direction, each side rail portion forming a rolling groove extending along the actuation direction; a The slider is slidably arranged on the slide rail assembly along the actuation direction, and includes a guide rail part located between the side rail parts along the lateral direction, and a guide rail part along the up-down direction toward the rail part. The upper connecting portion extending upward, the guide rail portion forms two guide grooves on opposite sides along the lateral direction, each guide groove extends along the actuation direction and faces one of the rolling grooves, and the guide groove corresponds to The rolling grooves are matched to define a rolling space around them, the guide rail portion and the side rail portions cooperate to define two upper side gaps that are respectively connected to the rolling spaces and located above the rolling spaces, and two edges are respectively connected to the rolling spaces and the lower gaps located below the rolling spaces, the distance of the upper gaps in the lateral direction is not equal to the distance of the lower gaps in the lateral direction; and a plurality of balls, located in the rolling in the space and in rolling contact with the side rail parts and the guide rail part. The parallel sliding mechanism according to claim 1, wherein the lower connecting portion of the slide rail assembly is tubular and surrounds a lower slot, and the upper connecting portion of the slider is tubular and surrounds a lower slot that is coaxial with the lower slot. the upper slot, when the slide rail assembly slides relative to the slider along the action direction, the lower slot and the upper slot are not coaxial again. The parallel sliding mechanism according to claim 1, wherein the bearing portion of the sliding rail assembly forms a sliding groove extending along the actuating direction, and the sliding block further includes a sliding groove extending downward from the rail portion along the up-down direction. A limit portion extending in the chute, when the slider assembly slides relative to the slider along the action direction, the limit portion slides in the chute along the action direction. The parallel sliding mechanism according to claim 3, wherein the length of the chute of the slide rail assembly in the actuating direction is 0.65 mm, 3.0 mm, or 3.5 mm. The parallel sliding mechanism according to claim 1, further comprising four guards inserted in the side rail portions of the slide rail assembly along the lateral direction, the guards extending in the rolling spaces and located on the outer side of the balls along the action direction, so as to limit the balls to the rolling spaces. The parallel sliding mechanism of claim 1, wherein the bearing portion of the slide rail assembly and the guide rail portion of the slider are spaced apart from each other along the up-down direction.

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