CN214551030U

CN214551030U - Tightness-adjustable ball net

Info

Publication number: CN214551030U
Application number: CN202120292941.2U
Authority: CN
Inventors: 徐和茂
Original assignee: Fuzhou Shanglai Sporting Goods Co ltd
Current assignee: Fuzhou Shanglai Sporting Goods Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-02
Anticipated expiration: 2031-02-02

Abstract

The utility model belongs to the technical field of sports equipment, in particular to a ball net with adjustable tightness, which comprises a ball net main body, wherein the two ends of the ball net main body are fixedly connected with dead levers, the bottom of the dead levers is integrally formed with a base, the upper surface of the base is fixedly connected with a weight box, the inner part of the weight box is fixedly connected with a motor, the upper end of the dead levers is sleeved and connected with a protective sleeve, the inner part of the protective sleeve is fixedly connected with a limit block, the inner part of the dead levers is rotatably connected with a telescopic rod, the upper end of the telescopic rod is provided with a limit groove, the bottom of the telescopic rod is fixedly connected with a first gear, one end of the motor is fixedly connected with a second gear, when in use, the ball net is fixed at the two ends of the dead levers, the dead levers are placed at the required positions, and the weight box is arranged at the lower ends of the dead levers, so as to enhance the stability of the ball net main body, so that the utility model is not easy to topple over and the stability in use is ensured.

Description

Tightness-adjustable ball net

Technical Field

The utility model belongs to the technical field of sports apparatus, concretely relates to net of adjustable elasticity.

Background

Tennis was bred in france, born in the united kingdom, and a climax of popularity and formation was in the united states. It originally originated in france in the 12-13 th century. In 1896, in the first modern Olympic Game held in Athens, the single and double play of tennis was listed as a formal match, and a tennis net was used when playing tennis.

The original tennis ball is complicated in adjusting tightness, the fixing effect is poor, most tennis ball rods do not have protective measures, and certain dangerousness exists.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a net of adjustable elasticity has convenient quick adjustment net elasticity, is convenient for fix, has certain protecting effect's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a net of adjustable elasticity, includes the net main part, the both ends fixedly connected with dead lever of net main part, the bottom integrated into one piece of dead lever has the base, the last fixed surface of base is connected with the weight box, the inside fixedly connected with motor of weight box, the upper end registrates of dead lever is connected with the lag, the inside fixedly connected with stopper of lag, the inside of dead lever is rotated and is connected with the shrink pole, the spacing groove has been seted up to the upper end of shrink pole, the gear of a bottom fixedly connected with of shrink pole, the gear of No. two of one end fixedly connected with of motor, the inside fixedly connected with fixture block of lag, the inside bottom of dead lever is rotated and is connected with No. three gears, the inside side of dead lever is rotated and is connected with No. four gears.

As the utility model discloses a preferred technical scheme of net of adjustable elasticity, the bottom fixedly connected with slipmat of base, the outside of dead lever is annular fixedly connected with protecting strip.

As the utility model discloses a preferred technical scheme of net of adjustable elasticity, stopper and the mutual block of spacing groove, fixture block and protecting strip clearance department interconnect.

As the utility model discloses a preferred technical scheme of net of adjustable elasticity, the dead lever is connected through spacing axle and No. two spacing hub rotations with the shrink pole.

As the utility model discloses a preferred technical scheme of net of adjustable elasticity, stopper and spacing groove are "ten" font structure.

As the utility model discloses a preferred technical scheme of adjustable elasticity net, a gear and No. four gear intermeshing are connected.

Compared with the prior art, the beneficial effects of the utility model are that: when the utility model is used, the net is fixed at the two ends of the fixed rod, the fixed rod is placed at a required position, the weight box is arranged at the lower end of the fixed rod, the stability of the net body can be enhanced, the net body is not easy to topple, the stability in use is ensured, when the tightness of the net needs to be adjusted, the protective sleeve at the upper end of the fixed rod is pulled out, the telescopic rod is in an adjustable state, the motor can be started at the moment, the motor output power drives the second gear to rotate, the second gear drives the third gear, the fourth gear and the first gear to rotate simultaneously, the telescopic rod at one end of the first gear rotates along with the first gear, the net is tightened, when the required tightness is adjusted, the motor is closed, the protective sleeve is sleeved at the upper end of the fixed rod, the limiting block is clamped into the limiting groove, the clamping block is clamped in the gap of the protective strip, a better limiting effect is achieved, and the tightness of the net is adjusted through the arrangement, the simple operation and stability are higher, set up the slipmat through the bottom at the base, and the frictional force of multiplicable net main part and ground is more stable during the use, through setting up the protection strip in the outside of dead lever, can play certain guard action, improves factor of safety.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the front view of the present invention;

fig. 3 is a schematic structural view of an elevational section of embodiment 2 of the present invention;

fig. 4 is a schematic structural view of the present invention as seen from the bottom of fig. 2;

fig. 5 is a schematic structural view of fig. 2 in a top view according to the present invention;

FIG. 6 is an enlarged schematic view of part A of the present invention;

FIG. 7 is an enlarged schematic view of the portion B of the present invention;

FIG. 8 is an enlarged schematic structural view of the section C of the present invention;

FIG. 9 is an enlarged schematic view of the section D of the present invention;

in the figure: 1. a net body; 2. fixing the rod; 3. a base; 4. a weight box; 5. a motor; 6. a protective sleeve; 7. a limiting block; 8. a retracting lever; 9. a limiting groove; 10. a first limit shaft; 11. a second limiting shaft; 12. a first gear; 13. a second gear; 14. a non-slip mat; 15. a protective strip; 16. a crank; 17. a clamping block; 18. a third gear; 19. a fourth gear; 20. a collar; 21. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, fig. 2, fig. 4, fig. 5, fig. 6, fig. 8, and fig. 9, the present invention provides the following technical solutions: the utility model provides a net of adjustable elasticity, including net main part 1, the both ends fixedly connected with dead lever 2 of net main part 1, the bottom integrated into one piece of dead lever 2 has base 3, the last fixed surface of base 3 is connected with weight box 4, the inside fixedly connected with motor 5 of weight box 4, the upper end registrate of dead lever 2 is connected with lag 6, the inside fixedly connected with stopper 7 of lag 6, the inside rotation of dead lever 2 is connected with shrink rod 8, spacing groove 9 has been seted up to shrink rod 8's upper end, shrink rod 8's a bottom fixedly connected with gear 12, motor 5's one end fixedly connected with No. two gears 13, the inside fixedly connected with fixture block 17 of lag 6, the inside bottom of dead lever 2 is rotated and is connected with No. three gears 18, the inside side of dead lever 2 is rotated and is connected with No. four gears 19.

Specifically, the bottom fixedly connected with slipmat 14 of base 3, the outside of dead lever 2 is annular fixedly connected with protective strip 15, sets up slipmat 14 through the bottom at base 3 in this embodiment, increases the frictional force on net main part 1 and ground, and is more stable when making it use, through setting up protective strip 15 in the outside of dead lever 2, protective strip 15 can play certain protecting effect, improves factor of safety.

Specifically, stopper 7 and the mutual block in spacing groove 9,

fixture block

17 and 15 clearance departments interconnect of protection strip, the block that closes

fixture block

17 and 15 clearance departments through stopper 7 and spacing groove 9 in this embodiment plays better fixed effect.

The dead lever 2 and the shrinkage pole 8 are connected through a spacing axle 10 and a spacing axle 11 rotation No. two specifically, and spacing axle 10 and No. two spacing axles 11 play upper and lower spacing effect to the shrinkage pole 8 in this embodiment, and are more stable during the use.

Specifically, stopper 7 and spacing groove 9 are "ten" font structure, set up to "ten" font structure through spattering stopper 7 and spacing groove 9 in this embodiment, and this kind of structure block effect is better, can not appear not hard up the off tracking condition.

Specifically, the first gear 12 and the fourth gear 19 are meshed with each other, and the direction of the rotating force is changed by arranging the first gear 12 and the fourth gear 19 in the embodiment, so that the tightness of the net can be adjusted conveniently.

Example 2

Referring to fig. 2, fig. 3, fig. 4, fig. 5, fig. 7, fig. 8, and fig. 9, the present invention provides the following technical solutions: a net with adjustable tightness comprises a net body 1, fixing rods 2 are fixedly connected to two ends of the net body 1, a base 3 is integrally formed at the bottom of each fixing rod 2, a weight box 4 is fixedly connected to the upper surface of each base 3, a protecting sleeve 6 is connected to the upper end of each fixing rod 2 in a sleeved mode, a limiting block 7 is fixedly connected to the inside of each protecting sleeve 6, a contraction rod 8 is rotatably connected to the inside of each fixing rod 2, a limiting groove 9 is formed in the upper end of each contraction rod 8, a first gear 12 is fixedly connected to the bottom of each contraction rod 8, a clamping block 17 is fixedly connected to the inside of each protecting sleeve 6, a crank 16 is rotatably connected to one side of each fixing rod 2, a fourth gear 19 is fixedly connected to one end of the crank 16, a sleeve ring 20 is rotatably connected to one end of the crank 16 through a rotating shaft 21, in the embodiment, the adjusting device is set to be of a hand-shaking type and can be normally used even when the electric energy is not used, the practicability is improved.

Specifically, stopper 7 and the mutual block in spacing groove 9,

fixture block

The utility model discloses a theory of operation and use flow: when the utility model is used, the net is fixed at the two ends of the fixed rod 2, the fixed rod 2 is placed at a required position, the weight box 4 is arranged at the lower end of the fixed rod 2, the stability of the net body 1 can be enhanced, the net body is not easy to topple, the stability in use is ensured, when the tightness of the net is required to be adjusted, the protective sleeve 6 at the upper end of the fixed rod 2 is pulled out, the contraction rod 8 is in an adjustable state, the motor 5 can be started, the motor 5 outputs power to drive the second gear 13 to rotate, the second gear 13 drives the third gear 18, the fourth gear 19 and the first gear 12 to rotate simultaneously, the contraction rod 8 at one end of the first gear 12 rotates along with the rotation, the net is tightened, when the required tightness is adjusted, the motor 5 is closed, the protective sleeve 6 is sleeved at the upper end of the fixed rod 2, the limiting block 7 is clamped into the limiting groove 9, the clamping block 17 is clamped in the clearance of the protective strip 15, play better limiting displacement, accomplish through this kind of setting than love you with adjust the elasticity of net, simple operation and stability are higher, through setting up slipmat 14 in the bottom of base 3, the frictional force on multiplicable net main part 1 and ground, and is more stable during the use, through setting up protective strip 15 in the outside of dead lever 2, can play certain guard action, improvement factor of safety.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A net with adjustable tightness is characterized in that: including net main part (1), both ends fixedly connected with dead lever (2) of net main part (1), the bottom integrated into one piece of dead lever (2) has base (3), the last fixed surface of base (3) is connected with weight box (4), the inside fixedly connected with motor (5) of weight box (4), the upper end registrate of dead lever (2) is connected with lag (6), the inside fixedly connected with stopper (7) of lag (6), the inside rotation of dead lever (2) is connected with shrink pole (8), spacing groove (9) have been seted up to the upper end of shrink pole (8), the bottom fixedly connected with gear (12) of shrink pole (8), the one end fixedly connected with gear (13) of motor (5), the inside fixedly connected with fixture block (17) of lag (6), the inner bottom end of the fixed rod (2) is rotatably connected with a third gear (18), and the inner side face of the fixed rod (2) is rotatably connected with a fourth gear (19).

2. An adjustable net according to claim 1, wherein: the bottom of the base (3) is fixedly connected with an anti-slip mat (14), and the outside of the fixed rod (2) is fixedly connected with a protective strip (15) in an annular shape.

3. An adjustable net according to claim 1, wherein: the limiting block (7) is clamped with the limiting groove (9), and the clamping block (17) is connected with the gap of the protective strip (15).

4. An adjustable net according to claim 1, wherein: the fixed rod (2) is rotatably connected with the contraction rod (8) through a first limiting shaft (10) and a second limiting shaft (11).

5. An adjustable net according to claim 1, wherein: the limiting blocks (7) and the limiting grooves (9) are of cross-shaped structures.

6. An adjustable net according to claim 1, wherein: the first gear (12) and the fourth gear (19) are meshed and connected with each other.