CN219023181U

CN219023181U - Net twine tightening equipment of racket frame

Info

Publication number: CN219023181U
Application number: CN202223234208.9U
Authority: CN
Inventors: 陈思敏; 蔡人辉
Original assignee: Jiangsu Weiyihang New Material Co ltd
Current assignee: Jiangsu Weiyihang New Material Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-16
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to the field of sports equipment, and discloses net wire tightening equipment for a racket frame, which comprises a supporting plate, wherein one side of the supporting plate is fixedly connected with a first motor and a second motor respectively, an output shaft of the first motor is fixedly connected with a first driving shaft through a coupler, the outer wall of the first driving shaft is fixedly connected with a limiting ratchet wheel, an output shaft of the second motor is fixedly connected with a second driving shaft through a coupler, and one side of the second driving shaft is fixedly connected with a limiting ratchet wheel. This net twine of racket frame stretches tight equipment through backup pad, first motor, second motor, first drive shaft, spacing ratchet, second drive shaft and the spacing ratchet of setting up, makes it tighten after being favorable to rolling the net twine, conveniently carries out angle locking work simultaneously when stretching tightly to solved the not hard up problem that unexpected reversal leads to, improved the stability of tightening.

Description

Net twine tightening equipment of racket frame

Technical Field

The utility model relates to the technical field of sports equipment, in particular to net wire tightening equipment of a racket frame of a badminton racket.

Background

The badminton is a small indoor sports item which is made of feathers and cork through a net and is hit by a long-handle net-shaped racket, the badminton racket is needed in the badminton process, and the badminton racket is needed to be straightened and tightened when the net strings are installed, so that tightening equipment is needed.

The existing tightening equipment does not have the function of angle locking when in use, so that accidental reverse is easy to occur when the tightening equipment is straightened, and the straightened net wires are loosened, so that the installation work of the net wires is affected.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the net wire tightening equipment of the racket frame of the badminton racket, which has the function of facilitating the angle locking and solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a net twine tightening equipment of racket frame, includes the backup pad, one side of backup pad fixedly connected with first motor and second motor respectively, the output shaft of first motor passes through the first drive shaft of shaft coupling fixedly connected with, the outer wall fixedly connected with spacing ratchet of first drive shaft, the output shaft of second motor passes through the second drive shaft of shaft coupling fixedly connected with, one side fixedly connected with spacing ratchet of second drive shaft is favorable to making it tighten after rolling the net twine, conveniently carries out angle locking work simultaneously when tightening to solved the problem of becoming flexible that unexpected reversal leads to, improved the stability of tightening.

Preferably, the outer wall of the limiting ratchet wheel is provided with tooth blocks in equal-angle distribution, the tooth blocks are obliquely arranged, and a space is arranged between the tooth blocks, so that the limiting ratchet wheel can conveniently lock the angle of the first driving shaft.

Preferably, the limit ratchet is inclined, and the limit ratchet stretches into the space between the tooth blocks to be meshed with the limit ratchet, so that the limit ratchet is convenient to limit the limit ratchet.

Preferably, one side fixedly connected with limiting plate of first drive shaft, the inner wall fixedly connected with wind-up roll of limiting plate, accomodate the groove has been seted up to the inner wall of wind-up roll, accomodate the inner wall swing joint in groove and have the rolling element, be favorable to leading to spacingly when rolling of net twine and unreeling, solved the problem that the net twine was unexpected to drop when rolling and unreeling to be favorable to reducing the frictional force when net twine rolling and unreeling, avoided the fracture problem that wearing and tearing too big lead to when rolling and unreeling.

Preferably, the limiting plates are symmetrically distributed about the longitudinal center line of the winding roller, and the diameter of the limiting plates is larger than that of the winding roller, so that the net wires are prevented from falling off.

Preferably, the inner wall of the winding roller is provided with a V-shaped groove, so that the winding roller is convenient for guiding the net wire, and the net wire keeps the center of the winding roller to slide.

Preferably, the inner diameter of the opening of the accommodating groove is smaller than the diameter of the rolling body, and the rolling body forms a rotating structure with the wind-up roll through the accommodating groove, so that the rolling body and the accommodating groove are prevented from falling off.

Preferably, the rolling bodies are distributed at equal angles along the axial center line of the wind-up roll, so that friction loss caused by sliding of the net wires is reduced through the rolling bodies.

Advantageous effects

Compared with the prior art, the utility model provides the net wire tightening equipment of the racket frame of the badminton racket, which has the following beneficial effects:

1. this net twine of racket frame stretches tight equipment through backup pad, first motor, second motor, first drive shaft, spacing ratchet, second drive shaft and the spacing ratchet of setting up, makes it tighten after being favorable to rolling the net twine, conveniently carries out angle locking work simultaneously when stretching tightly to solved the not hard up problem that unexpected reversal leads to, improved the stability of tightening.

2. This net twine of racket frame stretches tight equipment through limiting plate, wind-up roll, storage tank and the rolling body that set up, is favorable to leading spacingly when rolling and unreeling the net twine, has solved the problem that the net twine takes place unexpected when rolling and unreeling to be favorable to reducing the frictional force when net twine rolling and unreeling, avoided the fracture problem that wearing and tearing were too big when rolling and unreeling lead to.

Drawings

FIG. 1 is a schematic view of the present utility model in a front cross-section;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic diagram of a side view connection of a spacing ratchet and spacing teeth of the present utility model;

FIG. 4 is a schematic diagram showing the side view connection of the rolling element and the wind-up roll of the structure of the utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a support plate; 2. a first motor; 3. a second motor; 4. a first drive shaft; 5. a limit ratchet wheel; 6. a second drive shaft; 7. limit ratchets; 8. a limiting plate; 9. a wind-up roll; 10. a storage groove; 11. rolling bodies.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The preferred embodiment of the net wire tightening device of the racket frame of the badminton racket is shown in fig. 1 to 5: the utility model provides a net twine of racket frame tightens equipment, including backup pad 1, one side of backup pad 1 is fixedly connected with first motor 2 and second motor 3 respectively, the output shaft of first motor 2 passes through shaft coupling fixedly connected with first drive shaft 4, the outer wall fixedly connected with spacing ratchet 5 of first drive shaft 4, the output shaft of second motor 3 passes through shaft coupling fixedly connected with second drive shaft 6, one side fixedly connected with spacing ratchet 7 of second drive shaft 6 is favorable to making it tighten after rolling the net twine, simultaneously make things convenient for angle locking work when tightening, thereby solved the not hard up problem that unexpected reversal leads to, tightening stability has been improved.

In this embodiment, the outer wall equiangular distribution of spacing ratchet 5 has the tooth piece, and the tooth piece is the slope setting, and is provided with the interval between the tooth piece, has made things convenient for spacing ratchet 5 to carry out the angle locking to first drive shaft 4.

Furthermore, the limit ratchet 7 is inclined, and the limit ratchet 7 stretches into the space between the tooth blocks to be meshed with the limit ratchet 5, so that the limit ratchet 7 is convenient for limiting the limit ratchet 5.

Example 2

On the basis of the embodiment 1, a preferred embodiment of the net wire tightening device of the racket frame of the badminton racket is shown in fig. 1 to 5: one side fixedly connected with limiting plate 8 of first drive shaft 4, the inner wall fixedly connected with wind-up roll 9 of limiting plate 8, accomodate groove 10 has been seted up to the inner wall of wind-up roll 9, accomodate the inner wall swing joint of groove 10 and have rolling element 11, it is spacing to be favorable to leading to the wire winding with when unreeling, the problem that the unexpected is dropped when having solved the wire winding and unreeling, and be favorable to reducing the frictional force when the wire winding and unreeling, the fracture problem that the wearing and tearing were too big when having avoided the winding and unreeling leads to.

In this embodiment, the limiting plates 8 are symmetrically distributed about the longitudinal center line of the wind-up roll 9, and the diameter of the limiting plates 8 is larger than that of the wind-up roll 9, so that the falling of the net wires is prevented.

Furthermore, the inner wall of the winding roller 9 is provided with a V-shaped groove, so that the winding roller 9 is convenient for guiding the net wires, and the net wires keep the center of the winding roller 9 to slide.

Furthermore, the inner diameter of the opening of the accommodating groove 10 is smaller than the diameter of the rolling element 11, and the rolling element 11 forms a rotating structure with the wind-up roll 9 through the accommodating groove 10, thereby being beneficial to preventing the rolling element 11 from falling off from the accommodating groove 10.

Furthermore, the rolling bodies 11 are distributed at equal angles along the axial center line of the wind-up roll 9, so that friction loss caused by sliding of the net wires is reduced by the rolling bodies 11.

When the net wire winding device is used, one end of a net wire is fixed to the outer wall of the winding roller 9, then the first motor 2 is started, the first motor 2 drives the first driving shaft 4 to rotate, the first driving shaft 4 drives the winding roller 9 to rotate through the limiting plate 8, the winding roller 9 drives the net wire to wind, after winding is completed, the second motor 3 is started, the second motor 3 drives the second driving shaft 6 to rotate, the second driving shaft 6 drives the limiting ratchet 7 to rotate, the limiting ratchet 7 releases the limit of the limiting ratchet 5, the first driving shaft 4 is unlocked, and then the tail end of the net wire can be pulled out, and is installed on a badminton racket, because the net wire needs to be wound in different directions and positions during installation, after each winding section, the net wire is kept taut through the power of the first motor 2 and under the limiting locking of the limiting ratchet 5.

In conclusion, the net wire tightening equipment of the racket frame solves the problem that the net wire is easy to wear and break, and solves the problem that the net wire is easy to fall off, so that the stability of net wire installation is improved, the locking of angles is facilitated during net wire installation, and the loosening condition caused by accidental reverse rotation is solved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a net twine tensioning equipment of racket frame, includes backup pad (1), its characterized in that: one side of backup pad (1) is fixedly connected with first motor (2) and second motor (3) respectively, the output shaft of first motor (2) passes through shaft coupling fixedly connected with first drive shaft (4), the outer wall fixedly connected with spacing ratchet (5) of first drive shaft (4), the output shaft of second motor (3) passes through shaft coupling fixedly connected with second drive shaft (6), one side fixedly connected with spacing ratchet (7) of second drive shaft (6).

2. The net twine tightening apparatus of a badminton racket frame as set forth in claim 1, wherein: the outer wall of the limit ratchet wheel (5) is provided with tooth blocks in equal angle distribution, the tooth blocks are obliquely arranged, and a space is arranged between the tooth blocks.

3. The net twine tightening apparatus of a racket frame according to claim 1 or 2, wherein: the limit ratchet (7) is inclined, and the limit ratchet (7) stretches into the space between the tooth blocks to be meshed with the limit ratchet (5).

4. The net twine tightening apparatus of a badminton racket frame as set forth in claim 1, wherein: one side fixedly connected with limiting plate (8) of first drive shaft (4), the inner wall fixedly connected with wind-up roll (9) of limiting plate (8), accomodate groove (10) have been seted up to the inner wall of wind-up roll (9), the inner wall swing joint of accomodating groove (10) has rolling element (11).

5. The net twine tightening device for a racket frame of claim 4, wherein: the limiting plates (8) are symmetrically distributed about the longitudinal center line of the wind-up roll (9), and the diameter of each limiting plate (8) is larger than that of the wind-up roll (9).

6. The net twine tightening device for a racket frame of claim 4, wherein: the inner wall of the wind-up roll (9) is provided with a V-shaped groove.

7. The net twine tightening device for a racket frame of claim 4, wherein: the inner diameter of the opening of the accommodating groove (10) is smaller than the diameter of the rolling body (11), and the rolling body (11) and the winding roller (9) form a rotating structure through the accommodating groove (10).

8. The net twine tightening device for a racket frame of claim 4, wherein: the rolling bodies (11) are distributed at equal angles along the axial center line of the wind-up roll (9).