A double-connected nail for stringing a badminton racket

By setting inclined parts and reinforcement ribs on the connecting seat of the double-staple nail, the problem of double-staple nails being easily worn, deformed, or even burst when threading on the badminton racket, and the bearing capacity and service life are improved.

CN222723569UActive Publication Date: 2025-04-08SHISHI HAOYOU PAPER CO LTD
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Patent Information

Application Number
CN202421131286.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2025-04-08
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

The existing double-series nails are prone to wear, deform, or even burst when threaded on the badminton racket, and have a low bearing capacity.

Method used

A double-staple nail for threading badminton rackets is designed, and one or two inclined parts are provided on the connecting seat, and the inclined parts are connected to the threading pipe. The lengths of the threading pipe are set differently and the inclination angles are different. The reinforcement ribs and reinforcement parts are used to enhance the strength at the connection.

Benefits of technology

Through the design of the inclined parts and reinforcement ribs, the bearing capacity at the threaded pipe is significantly improved, wear, deformation and burst is prevented, the service life of the double-staple nails is extended, and the stress is more uniform.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of double-connected nails, and provides a double-connected nail for stringing a badminton racket, comprising a double-connected nail body, comprising two threading holes for the network line to pass through on the double-connected nail body, the double-connected nail body comprising a connecting seat, two threading tubes arranged on the connecting seat, one or two inclined parts on the connecting seat, the inclined parts are connected to the threading tubes, and the inclined parts are inclined upward or downward along the outer direction. The double-connected nail body is provided with one or two inclined parts on the connecting seat, and the inclined parts are connected to the threading tubes, which can greatly improve the bearing capacity of the threading tubes, can well prevent the double-connected nails from being worn, deformed, or even burst, and improve the life of the double-connected nail body, and solve the technical problems that the double-connected nails are easy to wear, deform, or even burst, and have low bearing capacity.
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Description

Technical Field

[0001] The utility model relates to the field of double-connecting nails, in particular to a double-connecting nail used for stringing a badminton racket. Background Art

[0002] When stringing a badminton racket, a single nail or a double nail can be used for stringing. The existing double nail uses two threading tubes. The structure of the double nail needs to take into account the arc-shaped structure of the badminton racket. Although the two threading tubes of the double nail are adjacent, the positions of the two threading tubes are different. When the badminton racket hits the badminton, the two threading tubes are subjected to different forces, and the threading holes of the threading tubes are usually subjected to greater forces, which are prone to wear, deformation, and even bursting, and have low bearing capacity. Utility Model Content

[0003] Therefore, in view of the above problems, the utility model proposes a double-connecting nail for stringing a badminton racket, which solves the technical problems that the double-connecting nail is easy to wear, deform, or even burst, and has low bearing capacity.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A double nail for stringing a badminton racket comprises a double nail body, wherein the double nail body is provided with two threading holes for the string to pass through, the double nail body comprises a connecting seat, and two threading tubes arranged on the connecting seat, the connecting seat is provided with one or two inclined parts, the inclined parts are connected to the threading tubes, and the inclined parts are inclined upward or downward along the outer direction.

[0006] Further:

[0007] The threading tube comprises a first threading tube and a second threading tube, the length of the first threading tube is greater than the length of the second threading tube, the number of the inclined portion is one, and the inclined portion is connected to the first threading tube.

[0008] The threading tube comprises a first threading tube and a second threading tube, the length of the first threading tube is greater than the length of the second threading tube, and the number of the inclined parts is two.

[0009] The inclination angle of the upper inclined portion of the first threading tube is greater than the inclination angle of the upper inclined portion of the second threading tube.

[0010] The two threading tubes have the same length, and the number of the inclined portions is two.

[0011] The wire threading tube includes a first wire threading tube and a second wire threading tube, the length of the first wire threading tube is greater than the length of the second wire threading tube, the first wire threading tube and the second wire threading tube are arranged obliquely, the angle between the first wire threading tube and the connecting seat is not less than 60 degrees, and the angle between the second wire threading tube and the connecting seat is not less than 60 degrees.

[0012] A reinforcement portion is provided at the connection between the connection seat and the threading tube, and the reinforcement rib is connected to the reinforcement portion.

[0013] A slot body is provided on the top of the connection seat, and two ends of the slot body extend along the direction of the threading hole, and the two ends of the slot body extend and communicate with the threading hole.

[0014] An arc convex portion protruding upward is provided in the middle of the connecting seat, the top of the arc convex portion is an arc surface structure, and the arc convex portion extends from one threading hole to another threading hole.

[0015] By adopting the above technical solution, the beneficial effects of the utility model are:

[0016] The double-connecting nail body is provided with one or two inclined parts on the connecting seat, and the inclined parts are connected to the threading tube, which can greatly improve the bearing capacity of the threading tube, can well prevent the double-connecting nail from being worn, deformed, or even burst, and improve the life of the double-connecting nail body; further, since the first threading tube is long, the force it bears is relatively large, and the inclined part is only provided at the first threading tube with a larger length to improve the bearing capacity of the first threading tube; further, the inclined parts are provided on both the first threading tube and the second threading tube to enhance the strength of the two places; further, the inclination angle of the first threading tube is greater than the inclination angle above the second threading tube, The bearing capacity of the first threading tube is greater than that of the second threading tube; further, the first threading tube and the second threading tube are arranged at an angle, so that the connecting seat can fit the badminton racket, the fixing effect of the connecting seat is better, the force is more uniform, and the life of the double-pin body is improved; further, the reinforcing ribs can improve the strength of the threading tube; further, the reinforcing part is connected to the reinforcing ribs, which can improve the strength of the connection between the connecting seat and the threading tube and prevent the connection between the connecting seat and the threading tube from being broken; further, the groove body has a buffering and reinforcing effect; further, the arc convex part can improve the strength of the middle part of the connecting seat to prevent wear or breakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a structural schematic diagram of embodiment 1;

[0018] Figure 2 is a front view of the first embodiment;

[0019] Figure 3 is a schematic diagram of the structure in which the inclined portion of the first embodiment is inclined downward;

[0020] Figure 4 is a schematic diagram of another structure of the inclined portion of the first embodiment;

[0021] Figure 5 is a front view of the second embodiment;

[0022] Figure 6is a front view of Embodiment 3;

[0023] Figure 7 It is the front view of embodiment 4. DETAILED DESCRIPTION

[0024] The utility model is now further described in conjunction with the accompanying drawings and specific implementation methods.

[0025] Embodiment 1:

[0026] refer to Figure 1 and Figure 2 Embodiment 1 provides a double-connected nail for stringing a badminton racket, including a double-connected nail body, including two threading holes 1 for the wire to pass through on the double-connected nail body, the double-connected nail body including a connecting seat 2, two threading tubes 3 arranged on the connecting seat 2, an inclined portion 21 is arranged on the connecting seat 2, the inclined portion 21 is connected to the threading tube 3, and the inclined portion 21 is inclined upward along the outer direction. The threading tube 3 includes a first threading tube 31 and a second threading tube 32, the length of the first threading tube 31 is greater than the length of the second threading tube 32, the number of the inclined portion 21 is one, and the inclined portion 21 is connected to the first threading tube 31. A groove body 22 is arranged at the top of the connecting seat 2, and the two ends of the groove body 22 extend along the direction of the threading hole 1, and the two ends of the groove body 22 extend and conduct to the threading hole 1. An arc convex portion 23 protruding upward is arranged in the middle of the connecting seat 2, and the top of the arc convex portion 23 is an arc surface structure, and the arc convex portion 23 extends from one threading hole 1 to another threading hole 1. At least three reinforcing ribs 33 are provided on the threading tube 3 , a reinforcing portion 34 is provided at the connection between the connecting seat 2 and the threading tube 3 , and the reinforcing ribs 33 are connected to the reinforcing portion 34 .

[0027] The reinforcement part 34 may not be provided, and may be provided according to specific circumstances.

[0028] The above-mentioned reinforcing ribs 33 may not be provided, and may be provided according to specific circumstances.

[0029] The number of the reinforcing ribs 33 can be one, two or even more, depending on the specific situation.

[0030] refer to Figure 3 The inclined portion 21 may also be inclined downward, depending on the specific situation.

[0031] The slot body 22 may not be connected to the threading hole 1, and the slot body 22 may not be provided, which is provided according to specific circumstances.

[0032] The arc convex part 23 may not be provided, or may be other structures, depending on the specific situation.

[0033] refer to Figure 4The inclined portion 21 may also be a top surface inclined structure, and the thickness of the inclined portion 21 may be increased. The inclined portion 21 may be inclined upward or downward, and the strength of the inclined portion 21 may be increased by increasing the thickness.

[0034] The working method of the first embodiment is:

[0035] The length settings of the first threading tube 31 and the second threading tube 32 of the double-linked nail body can adapt to the structure of the curved surface of the badminton racket and balance the forces on the first threading tube 31 and the second threading tube 32. The first threading tube 31 is longer and is subjected to greater forces. By providing the inclined portion 21, the forces that the first threading tube 31 can withstand are increased, thereby preventing the first threading tube 31 from being worn, deformed, or even burst.

[0036] Embodiment 2:

[0037] refer to Figures 1 to 5 The main difference between the second embodiment and the first embodiment is that the number of inclined portions 21 in the second embodiment is two, and both the first threading tube 31 and the second threading tube 32 are provided with inclined portions 21, and the inclination angle of the inclined portion 21 above the first threading tube 31 is greater than the inclination angle of the inclined portion 21 above the second threading tube 32.

[0038] The inclination angle of the inclined portion 21 above the first threading tube 31 may also be equal to or smaller than the inclination angle of the inclined portion 21 above the second threading tube 32 .

[0039] The two threading tubes 3 of the second embodiment are both provided with an inclined portion 21, which has greater strength.

[0040] Embodiment three:

[0041] refer to Figures 1 to 6 The main difference between the third embodiment and the first embodiment is that the two threading tubes 3 of the third embodiment have the same length and the number of the inclined portions 21 is two.

[0042] Embodiment 4:

[0043] refer to Figures 1 to 7 The main difference between the fourth embodiment and the first embodiment is that the first threading tube 31 and the second threading tube 32 of the fourth embodiment are arranged obliquely, the angle between the first threading tube 31 and the connecting seat 2 is not less than 60 degrees, and the angle between the second threading tube 32 and the connecting seat 2 is not less than 60 degrees.

[0044] The lengths of the first threading tube 31 and the second threading tube 32 of the fourth embodiment may also be the same, which is set according to specific circumstances.

[0045] The inclination angles of the first threading tube 31 and the second threading tube 32 of the fourth embodiment may be the same or different, depending on the specific situation.

[0046] The first threading tube 31 and the second threading tube 32 of the fourth embodiment are arranged obliquely, so that the connecting seat 2 can better fit the arc-shaped badminton racket, the connecting seat 2 has a better fixing effect, the force is more evenly applied, and the life of the double-pin body is increased.

[0047] Although the present invention has been specifically demonstrated and described in conjunction with the preferred embodiments, those skilled in the art should understand that various changes may be made to the present invention in form and detail without departing from the spirit and scope of the present invention as defined in the appended claims, all of which are within the scope of protection of the present invention.

Claims

1. A double-connected nail for stringing a badminton racket, characterized in that: It includes a double-connecting nail body, including two threading holes for the network cable to pass through on the double-connecting nail body, the double-connecting nail body includes a connecting seat, two threading tubes arranged on the connecting seat, the connecting seat is provided with one or two inclined parts, the inclined parts are connected to the threading tubes, and the inclined parts are inclined upward or downward along the outer direction.

2. The double-connecting nail for stringing a badminton racket according to claim 1, characterized in that: The threading tube comprises a first threading tube and a second threading tube, the length of the first threading tube is greater than the length of the second threading tube, the number of the inclined portion is one, and the inclined portion is connected to the first threading tube.

3. The double-connecting nail for stringing a badminton racket according to claim 1, characterized in that: The threading tube comprises a first threading tube and a second threading tube, the length of the first threading tube is greater than the length of the second threading tube, and the number of the inclined parts is two.

4. The double-connecting nail for stringing a badminton racket according to claim 3, characterized in that: The inclination angle of the upper inclined portion of the first threading tube is greater than the inclination angle of the upper inclined portion of the second threading tube.

5. The double-connecting nail for stringing a badminton racket according to claim 1, characterized in that: The two threading tubes have the same length, and the number of the inclined portions is two.

6. The double-connecting nail for stringing a badminton racket according to claim 1, characterized in that: The wire threading tube includes a first wire threading tube and a second wire threading tube, the length of the first wire threading tube is greater than the length of the second wire threading tube, the first wire threading tube and the second wire threading tube are arranged obliquely, the angle between the first wire threading tube and the connecting seat is not less than 60 degrees, and the angle between the second wire threading tube and the connecting seat is not less than 60 degrees.

7. The double-connected nail for stringing a badminton racket according to claim 1, characterized in that: The threading tube is provided with at least one reinforcing rib.

8. The double-connecting nail for stringing a badminton racket according to claim 7, characterized in that: A reinforcement portion is provided at the connection between the connection seat and the threading tube, and the reinforcement rib is connected to the reinforcement portion.

9. The double-connecting nail for stringing a badminton racket according to claim 1, characterized in that: A slot body is provided on the top of the connection seat, and two ends of the slot body extend along the direction of the threading hole, and the two ends of the slot body extend and communicate with the threading hole.

10. The double-connecting nail for stringing a badminton racket according to claim 1, characterized in that: An arc convex portion protruding upward is provided in the middle of the connecting seat, the top of the arc convex portion is an arc surface structure, and the arc convex portion extends from one threading hole to another threading hole.