Back handle of ball hitting rod

Abstract

The utility model belongs to the technical field of ball hitting rods, and particularly relates to a rear handle of a ball hitting rod, which comprises an upper section, a lower section and a mandrel, the upper section is provided with a first through hole along the axial direction, the first through hole is matched with the upper end of the mandrel, and the lower section is provided with a second through hole along the axial direction, and the second through hole is matched with the lower end of the mandrel. The first through hole and the second through hole are matched with the mandrel correspondingly, coaxial line assembly of the upper section and the lower section is achieved, the mandrel is used for distributing connection stress to the handle body of the upper section and the handle body of the lower section, compared with the prior art, stress distribution of the upper section and the lower section is more uniform, the concentration degree of impact force and the axis is improved, and the impact force is more uniform. And the ball hitting hand feeling and the ball hitting accuracy of the user are improved.

Description

Technical Field

[0001] This utility model belongs to the field of billiard cue technology, and particularly relates to the back handle of a billiard cue. Background Technology

[0002] A billiard cue is a striking tool, comprising a detachable front section and a rear section. In the prior art, such as the Chinese authorized utility model patent, patent number ZL202323145118.7, a billiard cue with increased rebound force is disclosed (as described in paragraphs 0022 and 0031 of the specification): the rear section of the cue includes a first section and a second section, with a protruding post extending axially from the head end of the second section. This protruding post is used to connect with the tail end of the first section. This structure has the following drawbacks: the stress at the connection between the two is concentrated on the protruding post, and the impact force cannot be concentrated on the same axis when force is applied, affecting the transmission of impact force and resulting in poor feel and accuracy in billiards. Utility Model Content

[0003] The purpose of this invention is to provide a back handle for a billiard cue, which aims to solve the technical problems in the prior art.

[0004] To achieve the above objectives, the billiard cue handle provided in this embodiment includes an upper section and a lower section connected together, and also includes a spindle. The upper section has a first through hole along the axial direction that matches the upper end of the spindle, and the lower section has a second through hole along the axial direction that matches the lower end of the spindle.

[0005] Optionally, the mandrel includes a hollow sleeve and a solid sleeve rod, wherein the outer side of the hollow sleeve is interference-fitted with the first through hole and the second through hole, and the inner side is interference-fitted with the solid sleeve rod.

[0006] Optionally, the hollow sleeve is a carbon fiber tube.

[0007] Optionally, the solid sleeve rod is a solid wooden rod.

[0008] Optionally, it also includes a counterweight device located at the end of the lower section away from the upper section.

[0009] Optionally, the counterweight device is a counterweight screw that is threaded into the end of the mandrel.

[0010] Optionally, the lower section's connecting end is provided with an outer sleeve, and the upper section's connecting end is provided with an inner sleeve, the outer side of the inner sleeve cooperating with the outer sleeve and the inner side cooperating with the mandrel.

[0011] Optionally, the inner wall of the outer sleeve is provided with external threads, the outer wall of the inner sleeve is provided with external threads, and the outer sleeve and the inner sleeve are threadedly engaged.

[0012] Optionally, it also includes a connecting screw, which is located at the end of the upper section away from the lower section.

[0013] Optionally, the lower section's connecting end is provided with a first finger tooth ring, and the upper section's connecting end is provided with a second finger tooth capable of engaging with the first finger tooth.

[0014] The above-mentioned one or more technical solutions in the billiard cue handle provided in this utility model embodiment have at least one of the following technical effects: the first through hole and the second through hole respectively cooperate with the spindle to realize the coaxial assembly of the upper and lower sections. The spindle is used to distribute the stress of the connection to the handle body of the upper and lower sections. Compared with the prior art, the stress distribution of the upper and lower sections of this application is more uniform, which improves the impact force and the concentration on the axis, thereby improving the user's hitting feel and hitting accuracy. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a cross-sectional schematic diagram of the back handle of the billiard cue provided in Embodiment 1 of this utility model.

[0017] Figure 2 This is a cross-sectional schematic diagram of the back handle of the billiard cue provided in Embodiment 2 of this utility model.

[0018] Figure 3 This is a cross-sectional schematic diagram of the back handle of the billiard cue provided in Embodiment 3 of this utility model.

[0019] The following are the labeling elements in the figure:

[0020] 1—Upper Section 2—Lower Section 3—Mandrel

[0021] 11—First through hole; 12—Inner sleeve; 13—Connecting screw.

[0022] 14—Second finger tooth; 21—Second through hole; 22—Counterweight device

[0023] 23—Outer sleeve; 24—First finger joint; 31—Hollow sleeve

[0024] 32—Solid sleeve. Detailed Implementation

[0025] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0026] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0029] In one embodiment of this utility model, such as Figure 1 As shown, a billiard cue handle is provided, including an upper section 1 and a lower section 2 connected together, and a spindle 3. The upper section 1 has a first through hole 11 along the axial direction that matches the upper end of the spindle 3, and the lower section 2 has a second through hole 21 along the axial direction that matches the lower end of the spindle 3. The first through hole 11 and the second through hole 21 respectively cooperate with the spindle 3 to achieve coaxial assembly of the upper section 1 and the lower section 2. The spindle 3 distributes the connecting stress to the handle body of the upper section 1 and the lower section 2. In this embodiment, the stress distribution of the upper section 1 and the lower section 2 is more uniform, improving the impact force and the concentration on the axis, thereby improving the user's hitting feel and hitting accuracy.

[0030] In one embodiment of this utility model, such as Figure 1 As shown, the mandrel 3 includes a hollow sleeve 31 and a solid sleeve 32. The outer side of the hollow sleeve 31 is press-fitted with the first through hole 11 and the second through hole 21, and the inner side is press-fitted with the solid sleeve 32. The hollow sleeve 31 is preferably a carbon fiber tube. The solid sleeve 32 is preferably a solid wood rod. The high strength and lightweight of the carbon fiber tube improve the performance and service life of the billiard cue handle, while the solid wood rod reduces the manufacturing cost of the mandrel 3.

[0031] In one embodiment of this utility model, such as Figure 1 As shown, it also includes a counterweight device 22, which is located at the end of the lower section 2 away from the upper section 1. By increasing the mass of the rear end using the counterweight device 22, the feel of hitting the ball is further improved.

[0032] In one embodiment of this utility model, such as Figure 1 As shown, the counterweight device 22 is a counterweight screw that is threaded to the end of the mandrel 3. It has a simple structure and is easy to assemble.

[0033] In one embodiment of this utility model, such as Figure 1 As shown, the connecting end of the lower section 2 is provided with an outer sleeve 23, and the connecting end of the upper section 1 is provided with an inner sleeve 12. The outer side of the inner sleeve 12 mates with the outer sleeve 23, and the inner side mates with the mandrel 3. The inner wall of the outer sleeve 23 is provided with external threads, and the outer wall of the inner sleeve 12 is provided with external threads. The outer sleeve 23 and the inner sleeve 12 are threadedly engaged. A connecting screw 13 is also included, located at the end of the upper section 1 away from the lower section 2; the other end of the connecting screw 13 is threadedly engaged with the front support of the billiard cue (not shown in the figure).

[0034] In another embodiment of this utility model, please refer to Figure 2 The lower section 2 has a first finger-joint tooth 24 ring-shaped at its connecting end, and the upper section 1 has a second finger-joint tooth 14 that can finger-joint with the first finger-joint tooth 24 at its connecting end. During assembly, glue is first applied to the tooth gaps of the first finger-joint tooth 24 and the second finger-joint tooth 14, and then the lower section 2 and the upper section 1 are pressed together axially, so that the tooth surfaces of the first finger-joint tooth 24 and the second finger-joint tooth 14 are bonded and fixed. Finally, the mandrel 3 is inserted to complete the assembly of the billiard cue handle. Utilizing the finger-joint structure to increase the contact area between the upper and lower sections, combined with glue for fixing, helps to improve the stability and strength of the structure. The rest of this embodiment is the same as that of Embodiment 1. Features not explained in this embodiment are explained using the method of Embodiment 1, and will not be repeated here.

[0035] In another embodiment of this utility model, please refer to Figure 3The lower section 2 is integrally formed with the upper section 1. The first through hole 11 and the second through hole 21 are integrally formed as assembly through holes. The diameter of the assembly through holes gradually decreases from the rear end to the front end. The mandrel 3 is inserted from the rear end of the assembly through hole. This is suitable for production scenarios where the upper section 1 and the lower section 2 of the billiard cue handle are made of the same material. The rest of this embodiment is the same as that of Embodiment 1. Features not explained in this embodiment are explained using the methods of Embodiment 1 and will not be repeated here.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A billiard cue handle, comprising an upper section and a lower section, characterized in that: It also includes a mandrel. The upper section has a first through hole along the axial direction that matches the upper end of the mandrel. The lower section has a second through hole along the axial direction that matches the lower end of the mandrel. The mandrel includes a hollow sleeve and a solid sleeve rod. The outer side of the hollow sleeve is interference-fitted with the first through hole and the second through hole, and the inner side is interference-fitted with the solid sleeve rod.

2. The billiard cue handle according to claim 1, characterized in that: The hollow sleeve is a carbon fiber tube.

3. The billiard cue handle according to claim 1, characterized in that: The solid sleeve rod is a solid wooden rod.

4. The billiard cue handle according to claim 1, characterized in that: It also includes a counterweight device, which is located at the end of the lower section away from the upper section.

5. The billiard cue handle according to claim 4, characterized in that: The counterweight device is a counterweight screw that is threaded to the end of the mandrel.

6. The billiard cue handle according to claim 1, characterized in that: The lower section has an outer sleeve at its connecting end, and the upper section has an inner sleeve at its connecting end. The outer side of the inner sleeve mates with the outer sleeve, and the inner side mates with the mandrel.

7. The billiard cue handle according to claim 6, characterized in that: The inner wall of the outer sleeve is provided with external threads, and the outer wall of the inner sleeve is provided with external threads. The outer sleeve and the inner sleeve are threadedly engaged.

8. The billiard cue handle according to claim 1, characterized in that: It also includes a connecting screw, which is located at the end of the upper section away from the lower section.

9. The billiard cue handle according to claim 1, characterized in that: The lower section's connecting end is provided with a first finger tooth ring, and the upper section's connecting end is provided with a second finger tooth that can engage with the first finger tooth.

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