A baseball bat with variable length for use in different situations

Abstract

The present invention relates to a baseball bat, and more specifically, to a baseball bat with adjustable length to suit different situations. The baseball bat comprises a baseball bat body and a protective component. The present invention adjusts the length of the entire baseball bat body by means of a screw rod, thereby improving the flexibility of the baseball bat body. The telescopic sleeve always covers the outside of the screw rod, and protects the screw rod to prevent the user's hand from falling into the gap formed between the ball-touching section and the hand-gripping section, thereby preventing scratches. At the same time, the protective component sleeved on the outside of the ball-touching section and the hand-gripping section can move with the movement of the ball-touching section, so that the area where the protective component is sleeved on the hand-gripping section moves with the movement of the ball-touching section, so as to adapt to the hand-gripping positions of different trainees, thereby further improving the flexibility of the baseball bat body.

Description

Technical Field

[0001] The invention relates to a baseball bat, in particular to a baseball bat with changeable length to suit different situations. Background Art

[0002] A baseball bat is a stick used by batters to hit the ball in baseball games. There are three common types of bats: wooden bats, aluminum bats, and composite bats. Aluminum baseball bats can be divided into soft aluminum alloy bats and hard aluminum alloy bats. Soft aluminum alloy bats are commonly used in softball training, car use, and home self-defense. Hard aluminum alloy baseball bats are used in large-scale baseball games, with hard wooden balls and cowhide hard balls.

[0003] During normal training, due to the differences in height, batting style and grip of each trainee, baseball bats of the same length cannot adapt to all trainees, resulting in the need to constantly replace baseball bats according to the trainees during training, affecting the training effect.

[0004] Even if a baseball bat with adjustable length is used for training, most of the existing methods simply adjust the length. After the length is adjusted, the grip position changes accordingly. If the grip position cannot be located in time, the trainee needs to readjust the grip position.

[0005] In order to address the above problems, there is an urgent need for a baseball bat whose length can be changed to suit different situations. Summary of the invention

[0006] The object of the present invention is to provide a baseball bat with adjustable length to suit different situations, so as to solve the problems mentioned in the above background technology.

[0007] To achieve the above-mentioned purpose, a baseball bat with adjustable length suitable for use in different situations is provided, comprising a baseball bat body, the baseball bat body comprising a ball-touching section, the end of the ball-touching section is connected to a hand-grip section, the end of the hand-grip section is coaxially connected to a screw rod, the hand-grip section is threadedly connected to the end of the ball-touching section through the screw rod, the interval between the ball-touching section and the hand-grip section is adjusted by thread displacement of the screw rod, a telescopic sleeve is arranged on the outside of the screw rod, one end of the telescopic sleeve is rotationally connected to the end of the ball-touching section, the other end of the telescopic sleeve is fixedly connected to the end of the hand-grip section, the telescopic sleeve is kept in line with the displacement of the screw rod and covers the outside of the screw rod, a protective component is sleeved between the ball-touching section and the outside of the hand-grip section, and the protective component is adjusted in position following the ball-touching section.

[0008] As a further improvement of the present technical solution, the protective component includes an outer shell, which is sleeved on the outer side between the ball-touching section and the hand-gripping section. One end of the outer shell extends outward and is sleeved and fixed on the outer side of the ball-touching section. A grip ring is provided at the other end of the outer shell, which is sleeved on the outer side of the hand-gripping section and is rotatably connected to the hand-gripping section.

[0009] As a further improvement of the technical solution, a retaining ring is provided at the end of the screw rod, the cross-sectional size of the retaining ring is larger than the cross-sectional size of the screw rod, and the retaining ring is rotationally connected to the inner end of the ball contact segment.

[0010] As a further improvement of the technical solution, a ball is arranged on the outer side of the retaining ring, and the ball is in rolling connection with the inner side of the ball contact section.

[0011] As a further improvement of the present technical solution, a plurality of connecting blocks are arranged at an edge position of one side of the telescopic sleeve close to the hand-grip section, and the connecting blocks are evenly arrayed on the outside of the telescopic sleeve. The top end of the connecting block is threadedly connected to a screw rod, and the screw rod maintains a threaded connection with the outside of the hand-grip section.

[0012] As a further improvement of the technical solution, a plurality of limit blocks are arranged on the inner edge of the grip ring, a plurality of limit grooves are arranged on the outer side of the hand grip section, and the limit blocks are slidably connected to the inner ends of the limit grooves.

[0013] As a further improvement of the present technical solution, a pair of connecting rods are arranged on the side of the limit block, one of the connecting rods is fixed on the side of the limit block, and the other connecting rod is fixed on the inner side of the limit groove, and a return spring is connected between the two connecting rods.

[0014] As a further improvement of the technical solution, a plurality of grooves are provided on the outer side of the grip ring, and each of the groove arrays is distributed on the outer side of the grip ring.

[0015] As a further improvement of the technical solution, a gap is reserved between the inner side of the shell and the outer side of the telescopic sleeve.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The length of the baseball bat can be changed to adapt to different situations. The length of the entire baseball bat body is adjusted by the provided screw rod, so that the flexibility of the baseball bat body is improved. The telescopic sleeve always covers the outside of the screw rod to protect the screw rod to prevent the user's hand from falling into the gap formed between the ball-touching section and the hand-gripping section, which may cause scratches. At the same time, the protective components sleeved on the outside of the ball-touching section and the hand-gripping section can move with the movement of the ball-touching section, so that the area where the protective components are sleeved on the hand-gripping section moves with the movement of the ball-touching section to adapt to the hand-gripping positions of different trainees, thereby further improving the flexibility of the baseball bat body.

[0018] 2. The length of the baseball bat can be changed to suit different situations. The contact area between the outer side of the screw and the inner side of the ball-touching section is reduced by setting the ball. The contact area is proportional to the friction resistance. Reducing the contact area means reducing the friction resistance, reducing the obstruction encountered during the rotation of the screw, and improving the rotation efficiency of the screw.

[0019] 3. The length of the baseball bat can be changed to suit different situations. The grooves provided can increase the roughness of the outer side of the grip ring, thereby increasing the friction generated during the trainer's grip, improving the connection stability between the two, and preventing the bat from falling off during training. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a cross-sectional view of the overall structure of the present invention;

[0022] Figure 3 A cross-sectional view of the baseball bat body structure of the present invention;

[0023] Figure 4 It is a schematic diagram of the structure of the hand grip section of the present invention;

[0024] Figure 5 For the present invention Figure 4 A local enlarged view of point A;

[0025] Figure 6 It is a schematic diagram of the telescopic sleeve structure of the present invention;

[0026] Figure 7 For the present invention Figure 6 A partial enlarged view of point B;

[0027] Figure 8 It is a cross-sectional view of the housing structure of the present invention;

[0028] Fig. 9 For the present invention Figure 8 A partial enlarged view of point C;

[0029] Fig.10 For the present invention Figure 8 A partial enlarged view of point D.

[0030] The meaning of each number in the figure is:

[0031] 10. Baseball bat body; 110. Ball contact section; 120. Hand grip section; 121. Screw; 122. Retaining ring; 123. Ball; 124. Limiting groove; 130. Telescopic sleeve; 131. Connecting block; 132. Screw;

[0032] 20. Protective assembly; 210. Housing; 220. Grip ring; 221. Limit block; 222. Connecting rod; 223. Return spring. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0035] See also Figure 1-Figure 10 As shown, a baseball bat with adjustable length suitable for use in different situations is provided, including a baseball bat body 10, the baseball bat body 10 includes a ball-touching section 110, the end of the ball-touching section 110 is connected to a hand-grip section 120, the end of the hand-grip section 120 is coaxially connected to a screw rod 121, the hand-grip section 120 is threadedly connected to the end of the ball-touching section 110 through the screw rod 121, the interval between the ball-touching section 110 and the hand-grip section 120 is adjusted by thread displacement of the screw rod 121, a telescopic sleeve 130 is arranged on the outside of the screw rod 121, one end of the telescopic sleeve 130 is rotationally connected to the end of the ball-touching section 110, the other end of the telescopic sleeve 130 is fixedly connected to the end of the hand-grip section 120, the displacement of the telescopic sleeve 130 is consistent with that of the screw rod 121, and the telescopic sleeve 130 covers the outside of the screw rod 121, a protective component 20 is sleeved between the outside of the ball-touching section 110 and the hand-grip section 120, and the protective component 20 is adjusted in position following the ball-touching section 110.

[0036] When in use, during training, after the trainer makes adjustments, he first holds the ball-touching segment 110 to keep the position of the ball-touching segment 110 fixed, and rotates the end of the hand-grip segment 120 clockwise or counterclockwise, so that the hand-grip segment 120 drives the screw rod 121 to rotate along the inner side of the ball-touching segment 110, so that the screw rod 121 extends into or out of the inner end of the ball-touching segment 110, and the interval between the hand-grip segment 120 and the ball-touching segment 110 gradually increases or decreases;

[0037] Since one end of the telescopic sleeve 130 is connected to the end of the hand grip section 120, when the hand grip section 120 and the ball contact section 110 are relatively displaced, the hand grip section 120 will drive the telescopic sleeve 130 to stretch, adjust the length of the entire baseball bat body 10, and improve the flexibility of the baseball bat body 10. The telescopic sleeve 130 always covers the outside of the screw rod 121 to protect the screw rod 121 to prevent the user's hand from falling into the gap formed between the ball contact section 110 and the hand grip section 120, resulting in scratches. At the same time, the protective component 20 sleeved on the outside of the ball contact section 110 and the hand grip section 120 can move with the movement of the ball contact section 110, so that the area where the protective component 20 is sleeved on the hand grip section 120 moves with the movement of the ball contact section 110 to adapt to the hand gripping positions of different trainees, further improving the flexibility of the baseball bat body 10.

[0038] In addition, the protective component 20 includes a shell 210, which is sleeved on the outer side between the ball-touching section 110 and the hand-gripping section 120. One end of the shell 210 extends outward and is sleeved and fixed on the outer side of the ball-touching section 110. The other end of the shell 210 is provided with a grip ring 220, which is sleeved on the outer side of the hand-gripping section 120 and is rotationally connected with the hand-gripping section 120. In specific use, during the rotation of the screw rod 121, the hand-gripping section 120 adjusts the distance with the ball-touching section 110 through the screw rod 121, and one end of the shell 210 is sleeved and fixed on the outer side of the ball-touching section 110. After the relative displacement between the ball-touching section 110 and the hand-gripping section 120 occurs, the grip ring 220 will slide with the outer side of the hand-gripping section 120 as the screw rod 121 moves, and the trainer will use the baseball bat body 10 by gripping the grip ring 220. By adjusting the position of the grip ring 220 to adapt to the use of different trainers, the adaptability of the baseball bat body 10 is improved.

[0039] Furthermore, a retaining ring 122 is provided at the end of the screw rod 121, and the cross-sectional size of the retaining ring 122 is larger than that of the screw rod 121, and the retaining ring 122 is rotatably connected to the inner end of the ball-touching segment 110. When in use, the retaining ring 122 is coaxially connected to the screw rod 121, and during the rotation of the screw rod 121, the screw rod 121 will drive the retaining ring 122 to rotate along the inner end of the ball-touching segment 110, and the position of the screw rod 121 is limited by the retaining ring 122 to prevent the screw rod 121 from being over-adjusted, resulting in separation from the ball-touching segment 110, and it is easy to pull the telescopic sleeve 130 excessively and tear it off, so as to maintain the position adjustment range of the telescopic sleeve 130.

[0040] Since the retaining ring 122 and the inner end of the ball-touching segment 110 maintain a rotational connection during the process, friction will occur when the two are in contact, generating frictional resistance. This frictional resistance is always opposite to the rotation direction of the screw rod 121, hindering the normal rotation of the screw rod 121 and reducing the rotation efficiency of the screw rod 121. Furthermore, a ball 123 is provided on the outer side of the retaining ring 122. The ball 123 maintains a rolling connection with the inner side of the ball-touching segment 110. The contact area between the outer side of the screw rod 121 and the inner side of the ball-touching segment 110 is reduced by the provided ball 123. The contact area is proportional to the frictional resistance. Reducing the contact area means reducing the frictional resistance, thereby reducing the obstruction encountered by the screw rod 121 during rotation and improving the rotation efficiency of the screw rod 121.

[0041] Specifically, a plurality of connecting blocks 131 are provided at an edge position of the telescopic sleeve 130 close to the hand-grip section 120, and the connecting blocks 131 are evenly arrayed on the outside of the telescopic sleeve 130. The top of the connecting block 131 is threadedly connected to the screw 132, and the screw 132 is threadedly connected to the outside of the hand-grip section 120. During the installation and disassembly of the telescopic sleeve 130, first align the end of the telescopic sleeve 130 with the connecting block 131 installed with the end of the hand-grip section 120, and each connecting block 131 is fitted on the outside of the hand-grip section 120. Then, each screw 132 is rotated in turn to fix the connecting block 131 on the outside of the hand-grip section 120, maintain the connection between the telescopic sleeve 130 and the hand-grip section 120, and improve the disassembly and installation efficiency between the hand-grip section 120 and the telescopic sleeve 130 for later replacement.

[0042] In addition, a plurality of limit blocks 221 are provided at the inner edge of the grip ring 220, and a plurality of limit grooves 124 are provided at the outer side of the grip section 120, and the limit blocks 221 are slidably connected to the inner ends of the limit grooves 124. When the grip ring 220 slides along the outer side of the grip section 120, the limit blocks 221 keep sliding along the inner ends of the limit grooves 124 at the corresponding positions, and the position of the limit blocks 221 is limited by the limit grooves 124, so that the limit blocks 221 can only move along the area limited by the inner ends of the limit grooves 124, thereby preventing the grip ring 220 from being separated from the outer side of the grip section 120.

[0043] Furthermore, a pair of connecting rods 222 are provided on the side of the limit block 221, wherein one of the connecting rods 222 is fixed on the side of the limit block 221, and the other connecting rod 222 is fixed on the inner side of the limit groove 124, and a return spring 223 is connected between the two connecting rods 222. When the limit block 221 keeps sliding along the inner end of the limit groove 124, the limit block 221 stretches or squeezes the return spring 223 through the connecting rod 222, causing the return spring 223 to deform, and the elastic force generated by the return spring 223 causes the grip ring 220 to maintain a flat state, thereby preventing the grip ring 220 from wrinkling during the position adjustment process, thereby affecting the hand-holding effect.

[0044] Since the trainee needs to hold the grip ring 220 and use the baseball bat body 10 for training during the training process, during this process, the connection between the trainee and the outer side of the grip ring 220 is maintained by the friction generated between the trainee and the outer side of the grip ring 220. Furthermore, a plurality of grooves are provided on the outer side of the grip ring 220, and the grooves are arranged in an array on the outer side of the grip ring 220. The roughness of the outer side of the grip ring 220 can be increased by the provided grooves, thereby increasing the friction generated by the trainee's grip, improving the connection stability between the two, and preventing the trainee from falling off during the training process.

[0045] During the rotation of the telescopic sleeve 130, objects in contact with the outer side thereof will hinder the movement of the telescopic sleeve 130. At the same time, long-term contact will cause wear of the outer side of the telescopic sleeve 130 and the contact object, thus affecting the service life of both. In addition, a gap is reserved between the inner side of the shell 210 and the outer side of the telescopic sleeve 130. The reserved gap between the inner side of the shell 210 and the outer side of the telescopic sleeve 130 isolates the shell 210 and the telescopic sleeve 130, prevents the two from contacting each other and causing wear, and increases the service life of both.

[0046] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A baseball bat with variable length to suit different situations, characterized in that: The baseball bat comprises a baseball bat body (10), the baseball bat body (10) comprising a ball-touching section (110), the end of the ball-touching section (110) being connected to a hand-grip section (120), the end of the hand-grip section (120) being coaxially connected to a screw rod (121), the hand-grip section (120) being threadedly connected to the end of the ball-touching section (110) via the screw rod (121), the interval between the ball-touching section (110) and the hand-grip section (120) being adjusted by thread displacement of the screw rod (121), and the screw rod (121) being provided on the outside A telescopic sleeve (130) is provided, one end of the telescopic sleeve (130) being rotatably connected to the end of the ball-touching section (110), and the other end of the telescopic sleeve (130) being fixedly connected to the end of the hand-gripping section (120), the telescopic sleeve (130) being shifted in accordance with the screw rod (121) and covering the outside of the screw rod (121), a protective component (20) being sleeved between the ball-touching section (110) and the outside of the hand-gripping section (120), and the protective component (20) being adjusted in position following the ball-touching section (110); The protective component (20) comprises a shell (210), the shell (210) being sleeved on the outer side between the ball contact section (110) and the hand grip section (120), one end of the shell (210) extending outwards and being sleeved and fixed on the outer side of the ball contact section (110), and the other end of the shell (210) being provided with a grip ring (220), the grip ring (220) being sleeved on the outer side of the hand grip section (120); A plurality of limit blocks (221) are arranged at the inner edge of the grip ring (220), a plurality of limit grooves (124) are arranged at the outer side of the hand grip section (120), and the limit blocks (221) are slidably connected to the inner ends of the limit grooves (124); A pair of connecting rods (222) are provided on the side of the limiting block (221), wherein one of the connecting rods (222) is fixed to the side of the limiting block (221), and the other connecting rod (222) is fixed inside the limiting groove (124), and a return spring (223) is connected between the two connecting rods (222).

2. The baseball bat with variable length for use in different situations according to claim 1, characterized in that: A retaining ring (122) is provided at the end of the screw rod (121); the cross-sectional dimension of the retaining ring (122) is larger than the cross-sectional dimension of the screw rod (121); and the retaining ring (122) is rotationally connected to the inner end of the ball contact segment (110).

3. The baseball bat with variable length for use in different situations according to claim 2, characterized in that: A ball (123) is arranged on the outside of the retaining ring (122), and the ball (123) is in rolling connection with the inside of the ball contact segment (110).

4. The baseball bat with variable length for use in different situations according to claim 1, characterized in that: A plurality of connection blocks (131) are arranged at an edge position of one side of the telescopic sleeve (130) close to the hand grip section (120), and the connection blocks (131) are arranged in a uniform array on the outside of the telescopic sleeve (130). The top ends of the connection blocks (131) are threadedly connected to a screw rod (132), and the screw rod (132) is threadedly connected to the outside of the hand grip section (120).

5. The baseball bat with variable length for use in different situations according to claim 1, characterized in that: A plurality of grooves are provided on the outer side of the grip ring (220), and each groove array is distributed on the outer side of the grip ring (220).

6. The baseball bat with variable length for use in different situations according to claim 1, characterized in that: A gap is reserved between the inner side of the outer shell (210) and the outer side of the telescopic sleeve (130).

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