Billiard cue forelimb with adjustable gravity center

By designing an adjustable-center-of-gravity billiard cue tip, and utilizing the combination of a screw and screw sleeve, along with the structure of a fixing plate, limiting hole, and spring, the cue's center of gravity and weight can be flexibly adjusted. This solves the problem of insufficient adaptability of existing billiard cues and improves the accuracy and stability of shots.

CN223542410UActive Publication Date: 2025-11-14曲浩
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Patent Information

Application Number
CN202422649382.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-11-14
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

The fixed center of gravity and weight of existing billiard cues make it difficult to adjust them flexibly to meet the needs of different users, resulting in insufficient adaptability.

Method used

An adjustable-center-of-gravity billiard cue forelimb was designed. Through the cooperation of the screw and screw sleeve, the counterweight block is allowed to move in the groove. Combined with the design of the fixing plate, limiting hole and spring, it is easy to assemble and disassemble the forelimb and the rearlimb, so as to achieve flexible adjustment of the center of gravity and weight.

Benefits of technology

It provides the ability to precisely adjust the club's center of gravity, improving the feel and control of the shot, enhancing the player's personalization capabilities, reducing maintenance costs, extending service life, and simplifying the maintenance process.

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Abstract

The utility model relates to the technical field of billiard appliances, and discloses a center-of-gravity-adjustable billiard cue forelimb which comprises a forelimb body, a second sliding groove is formed in the forelimb body, a balancing weight is movably installed in the second sliding groove, a screw sleeve is movably installed in the balancing weight, a posterior limb is movably installed on the right side of the forelimb body, and the posterior limb is movably installed on the right side of the forelimb body. And a screw rod is in threaded connection with the interior of the screw rod sleeve in a sleeving manner. Compared with a traditional forelimb, the forelimb can conveniently drive the balancing weight to move left and right in the second sliding groove through matching of the screw and the screw sleeve, so that the capacity of accurately adjusting the gravity center position of the golf club is provided for a player, the player can optimize the balance feeling of the golf club by finely adjusting the balancing weight, and the stability of the golf club is improved. In a match, in the face of various requirements for long-distance, short-distance or angle ball hitting, a player can flexibly adjust the weight distribution of the club by moving the balancing weight, and various challenges can be dealt with easily.
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Description

Technical Field

[0001] This utility model relates to the field of billiard equipment technology, and more specifically, to a billiard cue forelimb with an adjustable center of gravity. Background Technology

[0002] As a core tool in billiards, the length, thickness, weight, and center of gravity of a billiard cue have a crucial impact on shot accuracy. Therefore, standard billiard cues have extremely high requirements in terms of material selection and manufacturing processes. To meet the needs of different users and address the issue of insufficient weight in wood, the traditional approach is to insert a metal core into the end of the cue to adjust the weight. However, once manufactured, the center of gravity and weight of such cues are usually fixed, lacking adjustability. Even if weight adjustment is needed, the metal core at the end of the cue must be replaced, a cumbersome and costly process. It is evident that although there are many types of billiard cues on the market today, the fixed weight and center of gravity limit their ability to adapt to the needs of different users. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, this utility model provides an adjustable center of gravity billiard cue forelimb, which has the advantage of facilitating the adjustment of the center of gravity of the billiard cue forelimb.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an adjustable center of gravity billiard cue forelimb, comprising a forelimb, a second groove being provided inside the forelimb, a counterweight being movably installed inside the second groove, a screw sleeve being movably installed inside the counterweight, a rear limb being movably installed on the right side of the forelimb, a screw being threadedly connected inside the screw sleeve, and one end of the screw penetrating the interior of the rear limb, a rotating block being fixedly installed at one end of the screw, a first groove being provided inside the forelimb, a T-shaped block being movably installed inside the first groove, and the T-shaped block being fixedly connected to the counterweight.

[0005] As a preferred embodiment of this utility model, a fixing plate is fixedly installed inside the forelimb, a spring is fixedly installed on the left side of the fixing plate, a limiting hole is opened inside the forelimb, a limiting block is movably installed inside the limiting hole, an installation block is fixedly installed inside the limiting block, and the installation block is fixedly connected to the hindlimb.

[0006] As a preferred embodiment of this utility model, a copper drum pad is fixedly installed on the left side of the forelimb, and the copper drum pad is in the shape of a ring.

[0007] As a preferred technical solution of this utility model, the T-shaped blocks and counterweights are arranged in pairs, with a total of nine sets inside the forelimb.

[0008] As a preferred embodiment of this utility model, the outer diameter of the T-block is equal to the inner diameter of the first groove, and the interior of the first groove is set to a smooth surface.

[0009] As a preferred embodiment of this utility model, the springs are arranged in four identical shapes on the right side of the fixed plate, and the springs are arranged in a circular array.

[0010] As a preferred embodiment of this utility model, the distance between the forelimbs is 700 mm, and the internal distance of the second groove is 200 mm.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. Compared with traditional forelimbs, this utility model, through the cooperation between the screw and the screw sleeve, facilitates the left and right movement of the counterweight within the second groove. This provides players with the ability to precisely adjust the center of gravity of the cue. By fine-tuning the counterweight, players can optimize the cue's balance, improve the feel and control when hitting the ball. In competitions, facing diverse needs for long-distance, short-distance, or angled shots, players can flexibly adjust the weight distribution of the cue by moving the counterweight, easily meeting various challenges. In addition, players can personalize the cue's performance according to their individual hitting style and habits by moving the counterweight, enhancing the hitting experience and helping them perform at their best in competitions.

[0013] 2. Compared with traditional forelimbs, this utility model facilitates the assembly of the forelimb and rear limb through the cooperation of the fixing plate, limiting hole, mounting block and spring. This gives players great flexibility and customizability. Players can freely choose different materials, weights and lengths of forelimbs and rear limbs to create a custom billiard cue according to their personal preferences, technical characteristics and physical conditions, so as to perform at their best in the game and improve the accuracy and stability of the shot. With the advancement of technology, players can easily replace the forelimb or rear limb to upgrade their skills and avoid buying a new cue. In addition, this design also reduces maintenance costs, extends service life and simplifies maintenance process. Players or maintenance personnel can quickly disassemble damaged parts for replacement or repair, effectively shortening maintenance time and ensuring that the billiard cue is always in the best condition. Attached Figure Description

[0014] Figure 1 This is a frontal three-dimensional appearance structural diagram of the present utility model;

[0015] Figure 2 This is a schematic diagram of the front cross-sectional structure of this utility model;

[0016] Figure 3 This utility model Figure 2 Matters concerning the enlarged structure at point A in the diagram;

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the fixing plate of this utility model;

[0018] Figure 5 This is a schematic diagram of the explosive structure of the hind limb of this utility model;

[0019] Figure 6 This utility model Figure 5 Enlarged structural diagram at point B;

[0020] Figure 7 This is a schematic diagram of the limiting block structure of this utility model.

[0021] In the diagram: 1. Forelimb; 2. Hindlimb; 3. Rotating block; 4. Copper drum gasket; 5. Screw; 6. Screw sleeve; 7. Counterweight; 8. T-block; 9. Slide groove one; 10. Mounting block; 11. Limiting block; 12. Slide groove two; 13. Fixing plate; 14. Limiting hole; 15. Spring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figures 1 to 7 As shown, this utility model provides an adjustable center of gravity billiard cue forelimb, including a forelimb 1. A second groove 12 is provided inside the forelimb 1. A counterweight 7 is movably installed inside the second groove 12. A screw sleeve 6 is movably installed inside the counterweight 7. A rear limb 2 is movably installed on the right side of the forelimb 1. A screw 5 is threaded inside the screw sleeve 6, and one end of the screw 5 passes through the interior of the rear limb 2. A rotating block 3 is fixedly installed at one end of the screw 5. A first groove 9 is provided inside the forelimb 1. A T-shaped block 8 is movably installed inside the first groove 9, and the T-shaped block 8 is fixedly connected to the counterweight 7.

[0024] The player needs to adjust the counterweight 7 inside the forelimb 1 by rotating the rotating block 3 by hand. The rotating block 3 drives the screw 5 to rotate inside the screw sleeve 6. The screw sleeve 6 drives the counterweight 7 to move left and right inside the slide groove 12. The counterweight 7 drives the T-block 8 to move left and right inside the T-block 8. The T-block 8 moves to a limit inside the slide groove 9, thus completing the left and right movement of the counterweight 7 inside the slide groove 12.

[0025] The counterweight 7 inside the forelimb 1 needs to be adjusted. This is done by rotating the rotating block 3, which in turn rotates the screw 5 inside the screw sleeve 6. The screw sleeve 6 then moves the counterweight 7 left and right inside the slide groove 12. The counterweight 7 then moves the T-block 8 left and right inside the T-block 8, which then limits its movement inside the slide groove 9. Compared to traditional forelimbs, this forelimb, through the cooperation between the screw 5 and the screw sleeve 6, facilitates the movement of the counterweight 7 within the slide groove 12. The internal weights can move left and right, giving players the ability to precisely adjust the club's center of gravity. By fine-tuning the weight block 7, players can optimize the club's balance, improving the feel and control during shots. In matches, players can flexibly adjust the club's weight distribution by moving the weight block 7 to handle various challenges, whether facing long-distance, short-distance, or angled shots. Furthermore, players can personalize the club's performance by moving the weight block 7 according to their individual playing style and habits, enhancing the shooting experience and helping them perform at their best in matches.

[0026] The forelimb 1 has a fixed plate 13 inside, a spring 15 is fixedly installed on the left side of the fixed plate 13, a limit hole 14 is opened inside the forelimb 1, a limit block 11 is movably installed inside the limit hole 14, an installation block 10 is fixedly installed inside the limit block 11, and the installation block 10 is fixedly connected to the hindlimb 2.

[0027] The player needs to assemble the hind limb 2 into the forelimb 1. By holding the hind limb 2, the player slowly aligns the mounting block 10 and the limiting block 11 with the forelimb 1 and the limiting hole 14. Then, the player inserts the limiting block 11 and the mounting block 10 into the limiting hole 14 and the forelimb 1. The mounting block 10 presses against the spring 15 on the top of the fixing plate 13, so that the limiting block 11 is fully inserted into the limiting hole 14. Then, the player holds the hind limb 2 and rotates it counterclockwise, so that the limiting block 11 is inserted into the slot of the limiting hole 14. When it is necessary to disassemble the hind limb 2, the player holds the hind limb 2 and rotates the mounting block 10 clockwise. The fixing plate 13 then presses against the mounting block 10, so that the limiting hole 14 releases the limiting block 11. Finally, the player slowly removes the hind limb 2 from the inside of the forelimb 1, thus completing the assembly of the hind limb 2.

[0028] The hind limb 2 needs to be assembled into the forelimb 1. By holding the hind limb 2, the mounting block 10 and the limiting block 11 are slowly aligned with the interior of the forelimb 1 and the limiting hole 14. Then, the limiting block 11 and the mounting block 10 are inserted into the limiting hole 14 and the interior of the forelimb 1. The mounting block 10 presses the spring 15 on the top of the fixing plate 13, so that the limiting block 11 is fully inserted into the interior of the limiting hole 14. Then, the hind limb 2 is rotated counterclockwise, so that the limiting block 11 is inserted into the slot of the limiting hole 14. Compared with the traditional forelimb, this forelimb, through the cooperation between the fixing plate 13, the limiting hole 14, the mounting block 10 and the spring 15, facilitates the assembly of the forelimb 1. The forelimb 1 and hindlimb 2 are assembled together, giving players great flexibility and customizability. Players can freely choose different materials, weights, and lengths of forelimb 1 and hindlimb 2 to create a custom cue based on their personal preferences, technical characteristics, and physical conditions. This allows them to perform at their best in matches, improving shot accuracy and stability. As technology advances, players can easily replace the forelimb or hindlimb to upgrade their skills, avoiding the need to buy a new cue. In addition, this design reduces maintenance costs, extends service life, and simplifies maintenance processes. Players or maintenance personnel can quickly disassemble damaged parts for replacement or repair, effectively shortening maintenance time and ensuring that the cue is always in optimal condition.

[0029] Among them, a copper drum pad 4 is fixedly installed on the left side of the forelimb 1, and the copper drum pad 4 is in the shape of a ring.

[0030] Because the copper drum pad 4 is in the shape of a ring on the left side of the forelimb 1, and the ring-shaped copper drum pad 4 can fit well into the connection part between the cue head and the cue seat, this design allows the copper drum pad 4 to fit tightly between the cue head and the cue seat, making it difficult to fall off or shift, thus ensuring the stability and durability of the cue.

[0031] Among them, T-shaped blocks 8 and counterweight blocks 7 are paired up, with a total of nine pairs inside the forelimb 1.

[0032] The cooperation between the T-block 8 and the counterweight 7 facilitates easy left and right movement within the forelimb 1, improving the adjustment of the internal center of gravity of the forelimb 1. This allows the player to optimize the balance of the cue stick, resulting in better feel and control when hitting the ball.

[0033] The outer diameter of the T-block 8 is equal to the inner diameter of the groove 9, and the interior of the groove 9 is set to a smooth surface.

[0034] Since the outer diameter of the T-block 8 is equal to the inner diameter of the slide groove 9, and the inside of the slide groove 9 is made smooth, the T-block 8 can move left and right with the counterweight 7 inside the slide groove 9. The T-block 8 limits the counterweight 7, thus improving the efficiency of the T-block 8.

[0035] Among them, four springs of the same size are arranged on the right side of the fixing plate 13, and the springs 15 are arranged in a circular array.

[0036] Since the springs 15 are four of the same size on the right side of the fixing plate 13, and the springs 15 are in the form of a circumferential array, they can provide stable support for the mounting block 10, reduce the shaking of the forelimbs 1 and hindlimbs 2 during use, and improve the efficiency of the use of the forelimbs 1 and hindlimbs 2.

[0037] The distance between the forelimbs 1 and 2 is 700 mm, and the distance between the inner sides of the groove 2 12 is 200 mm.

[0038] With a forelimb distance of 700 millimeters, this accommodates the height and arm length of most players, allowing them to maintain a natural posture and a comfortable grip position when hitting the ball.

[0039] Working principle and usage process of this utility model:

[0040] The player needs to adjust the counterweight 7 inside the forelimb 1 by rotating the rotating block 3 by hand. The rotating block 3 drives the screw 5 to rotate inside the screw sleeve 6. The screw sleeve 6 drives the counterweight 7 to move left and right inside the slide groove 12. The counterweight 7 drives the T-block 8 to move left and right inside the T-block 8. The T-block 8 moves to a limit inside the slide groove 9, thus completing the left and right movement of the counterweight 7 inside the slide groove 12.

[0041] The player needs to assemble the hind limb 2 into the forelimb 1. By holding the hind limb 2, the player slowly aligns the mounting block 10 and the limiting block 11 with the forelimb 1 and the limiting hole 14. Then, the player inserts the limiting block 11 and the mounting block 10 into the limiting hole 14 and the forelimb 1. The mounting block 10 presses against the spring 15 on the top of the fixing plate 13, so that the limiting block 11 is fully inserted into the limiting hole 14. Then, the player holds the hind limb 2 and rotates it counterclockwise, so that the limiting block 11 is inserted into the slot of the limiting hole 14. When it is necessary to disassemble the hind limb 2, the player holds the hind limb 2 and rotates the mounting block 10 clockwise. The fixing plate 13 then presses against the mounting block 10, so that the limiting hole 14 releases the limiting block 11. Finally, the player slowly removes the hind limb 2 from the inside of the forelimb 1, thus completing the assembly of the hind limb 2.

[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable-center-of-gravity billiard cue forelimb, comprising a forelimb (1), characterized in that: The forelimb (1) has a second sliding groove (12) inside, and a counterweight (7) is movably installed inside the second sliding groove (12). A screw sleeve (6) is movably installed inside the counterweight (7). A hindlimb (2) is movably installed on the right side of the forelimb (1). A screw (5) is threaded inside the screw sleeve (6), and one end of the screw (5) passes through the interior of the hindlimb (2). A rotating block (3) is fixedly installed at one end of the screw (5). The forelimb (1) has a first sliding groove (9) inside, and a T-shaped block (8) is movably installed inside the first sliding groove (9). The T-shaped block (8) is fixedly connected to the counterweight (7).

2. The adjustable center of gravity billiard cue forelimb according to claim 1, characterized in that: A fixing plate (13) is fixedly installed inside the forelimb (1). A spring (15) is fixedly installed on the left side of the fixing plate (13). A limiting hole (14) is opened inside the forelimb (1). A limiting block (11) is movably installed inside the limiting hole (14). An installation block (10) is fixedly installed inside the limiting block (11). The installation block (10) is fixedly connected to the hindlimb (2).

3. The adjustable center of gravity billiard cue forelimb according to claim 1, characterized in that: A copper drum pad (4) is fixedly installed on the left side of the forelimb (1), and the copper drum pad (4) is in the shape of a ring.

4. The adjustable center of gravity billiard cue forelimb according to claim 1, characterized in that: The T-shaped blocks (8) and counterweights (7) are arranged in pairs, with a total of nine pairs inside the forelimb (1).

5. The adjustable center of gravity billiard cue forelimb according to claim 1, characterized in that: The outer diameter of the T-block (8) is equal to the inner diameter of the groove (9), and the interior of the groove (9) is set to a smooth surface.

6. The adjustable center of gravity billiard cue forelimb according to claim 2, characterized in that: The springs (15) are arranged in four identical shapes on the right side of the fixed plate (13), and the springs (15) are arranged in a circular array.

7. The adjustable center of gravity billiard cue forelimb according to claim 1, characterized in that: The distance between the forelimbs (1) is 700 mm, and the internal distance between the two grooves (12) is 200 mm.