CN210302286U

CN210302286U - Basketball stand capable of preventing basketball from being stuck

Info

Publication number: CN210302286U
Application number: CN201921131341.7U
Authority: CN
Inventors: 张启芬
Original assignee: Zhengzhou Preschool Education College
Current assignee: Zhengzhou Preschool Education College
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-14
Anticipated expiration: 2029-07-18

Abstract

The utility model relates to the field of sports equipment, specific basketball stands of anti-sticking ball that says so. The basket is fixed on the backboard through a horizontal connecting pipe, and an anti-blocking mechanism is arranged in the horizontal connecting pipe; the anti-jamming mechanism comprises a rotating shaft, a cam fixed on the rotating shaft and two ejector rods, wherein one end of each ejector rod, which is far away from the center of the horizontal connecting pipe, is provided with an acting end for ejecting the basketball, and one end of each ejector rod, which is close to the center of the horizontal connecting pipe, is provided with a matching end for matching with a protruding part of the cam in a rotating state to push the acting end to extend out; one side that lies in the cam in the pivot is equipped with the stay cord, and the one end of stay cord is fixed and is coiled in the pivot, and the other end is worn to establish in the outside of support body and is fixed with the pull ring, and the opposite side cover that lies in the cam in the pivot is equipped with the torsional spring. The utility model discloses not only can solve the phenomenon of basketball card ball fast, simple structure moreover easily realizes, has maintained the joint strength between basket and the basketball board.

Description

Basketball stand capable of preventing basketball from being stuck

Technical Field

The utility model relates to the field of sports equipment, specific basketball stands of anti-sticking ball that says so.

Background

Basketball originated in the united states and was created by james nemessmith in 1891, not only the central game item of the olympic games, but also the world's mainstream sports, and is also popular with students at school due to its lower field and equipment requirements.

In a daily basketball game or game, it is common for a basketball to become caught between the basketball hoop, the backboard and the connecting rods between the basketball hoop and the backboard due to deviations in the shot placement. Because the position of card ball is higher to the general teacher and student's of school bounce ability is not enough to pluck the ball, often needs the stock to assist and disclose the basketball down, leads to the match to break, and the continuity of match is relatively poor. Under the supplementary condition of can't find the stock, the student often makes the basketball drop or two people's cooperations take the ball with the mode of folding the arhat through rocking the basketball stands, but these two kinds of modes all have certain danger, not only fall easily and lead to the head injury, rock the basketball stands moreover and cause the basketball stands basal portion to loosen easily and take off even the injury people that collapses.

In order to safely solve the problem of the ball jamming, CN108939478A discloses a basketball hoop with a sectional type rotating basketball hoop and a using method thereof, wherein the basketball hoop is finally controlled by a chain to deform in a split manner through a rotating block arranged at the base of the basketball hoop so as to squeeze a basketball clamped between the basketball hoop, the backboard and the backboard connecting rod. Although the technical scheme solves the problem of ball blocking to a certain extent, the mechanism is too complex, the existing basketball stand is changed too much, the connection strength between the basket and the basketball board is reduced, and certain danger is still provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a basketball stands of anti-sticking ball not only can solve the phenomenon of basketball card ball fast, and simple structure easily realizes moreover, has maintained the joint strength between basket and the basketball board.

In order to solve the technical problem, the utility model discloses a technical scheme be: a basketball stand for preventing a basketball from being blocked comprises a stand body, a backboard arranged on the stand body and a basket arranged on the backboard, wherein the basket is fixed on the backboard through a horizontal connecting pipe; the anti-jamming mechanism comprises a rotating shaft distributed in the horizontal connecting pipe in the vertical direction, a cam fixed on the rotating shaft and two ejector rods arranged on the pipe walls on the two sides of the horizontal connecting pipe in a sliding mode in the horizontal direction, shaft holes for rotating the end portions of the rotating shaft are formed in the pipe walls on the upper side and the lower side of the horizontal connecting pipe respectively, sliding holes for enabling the corresponding ejector rods to slide horizontally are formed in the pipe walls on the left side and the right side of the horizontal connecting pipe respectively, one end, far away from the center of the horizontal connecting pipe, of each ejector rod is arranged to be an acting end used for ejecting a basketball, and one end, close to the center of the horizontal connecting pipe; the one side that lies in the cam in the pivot is equipped with and is used for driving pivot pivoted stay cord, and the one end of stay cord is fixed and coils in the pivot, and the other end of stay cord runs through behind backboard and the support body and wears to establish the outside at the support body and be fixed with the pull ring by the perforation of seting up in support body basal portion position, and the opposite side cover that lies in the cam in the pivot is equipped with and is used for driving the pivot to rotate and makes the stay cord coil the epaxial torsional spring that changes again.

Preferably, one end of the ejector rod, which is positioned in the horizontal connecting pipe, is provided with a matching block used for matching with the cam, and one side of the matching block, which faces the cam, is in a circular arc shape.

Preferably, a return spring for pulling the action end of the ejector rod towards the center direction of the horizontal connecting pipe is sleeved between the matching block and the pipe wall of the horizontal connecting pipe on the ejector rod.

Preferably, the position that lies in the support body on the stay cord is equipped with the dog that can not follow the stay cord and pull out in by the perforation to the pull-out length of accessible dog and perforated spacing cooperation control stay cord is in order to avoid the excessive compression damage of torsional spring.

Preferably, the horizontal connecting pipe is a rectangular pipe.

Preferably, a ball bearing for rotatably matching the end of the rotating shaft is arranged in the shaft hole of the horizontal connecting pipe.

Advantageous effects

The utility model provides a basket is the same with conventional basket to fix on the backboard through the horizontal connecting pipe, kept the joint strength of basket among the prior art, can fill with the safe demand of the basket of buckleing of teachers and students that the foot divides the body height spring.

And to the crowd that most of bounce ability can not reach the basket height, in case when taking place the shooting deviation and result in the basketball card to be in the condition between basket, backboard and the horizontal connecting pipe, the utility model discloses be equipped with anti-sticking mechanism in the horizontal connecting pipe. When the basketball clamp is arranged between the basketball clamp and the basket, the backboard and the horizontal connecting pipe, the pull ring can pull the pull rope to drive the rotating shaft in the anti-clamping mechanism to rotate for a plurality of circles, and the cam fixed on the main shaft is used for shifting the two ejector rods positioned at the two sides of the rotating shaft to eject out from the horizontal connecting pipe in the rotating process of the rotating shaft, so that the basketball at the left side and the right side of the clamped basket is ejected out from the backboard. Just the utility model provides a pivot and ejector pin can be respectively through torsional spring and reset spring's effect automatic re-setting after the stay cord pulling force disappears. The device has simple structure and convenient use, and is particularly suitable for being popularized in a campus.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic longitudinal sectional view of a middle horizontal connecting pipe portion according to the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of the rotating shaft of FIG. 3 rotated 90 clockwise;

the labels in the figure are: 1. the basket, 2, horizontal connecting pipe, 3, backboard, 4, frame body, 401, perforation, 5, pull ring, 6, pivot, 7, torsional spring, 8, reset spring, 9, ejector pin, 10, cam, 11, cooperation piece, 12, stay cord.

Detailed Description

As shown in fig. 1, the basketball stand for preventing the basketball from being blocked comprises a frame body 4, a backboard 3 arranged at the top of the frame body 4, and a basket 1 fixed on the backboard 3 through a horizontal connecting pipe 2. The horizontal connecting pipe 2 is a hollow rectangular pipe, one end of the horizontal connecting pipe is fixed with the basket 1 in a welding mode, and the other end of the horizontal connecting pipe is fixed with a rectangular flange in a welding mode and is fixed with the backboard 3 in a bolt connection mode through the rectangular flange. The utility model discloses a this kind of fixed mode is the same with conventional basketball stands, all can guarantee the joint strength between basket 1 and the backboard 3, satisfies the part and promotes the high bounce crowd's of beating basket demand of detaining.

The utility model discloses be equipped with in horizontal connecting pipe 2 and be used for the ejecting anti-sticking mechanism of basketball of card between basket 1, backboard 3 and horizontal connecting pipe 2. Through this anti-sticking mechanism make the crowd that the ability of bouncing is not enough also can be fast convenient disclose the basketball from being stuck the position.

As shown in fig. 2, the anti-jamming mechanism includes a rotating shaft 6 distributed in the horizontal connecting pipe 2 along the vertical direction, a cam 10 fixed at the middle position of the rotating shaft 6, and two push rods 9 respectively arranged on the pipe walls at two sides of the horizontal connecting pipe 2 in a sliding manner along the horizontal direction. Shaft holes for rotating the end parts of the rotating shafts 6 are respectively formed in the pipe walls of the upper side and the lower side of the horizontal connecting pipe 2, and ball bearings are arranged in the shaft holes to keep the rotating flexibility of the rotating shafts 6. The pipe walls of the left side and the right side of the horizontal connecting pipe 2 are respectively provided with a sliding hole for the corresponding ejector rod 9 to horizontally slide, and a linear sliding bearing can be arranged in the sliding hole to keep the flexibility of the horizontal reciprocating sliding of the two ejector rods 9. The outer end of the top rod 9 forms an acting end which applies impact force to the basketball which is clamped and pokes the basketball from the backboard 3. The medial extremity of ejector pin 9 forms the effect end, and in the rotation process of cam 10 along with pivot 6, the bulge on the cam 10 can cooperate with the effect end to drive the whole outside direction of horizontal connecting rod of ejector pin 9 orientation and stretch out to make the effect end contact with the basketball of card, and then will be disclosed by the card basketball by the effect end.

Referring to fig. 3, in the present embodiment, a fitting block 11 is further fixedly disposed on the fitting end of the ejector rod 9, and a side of the fitting block 11 facing the cam 10 is an arc-shaped fitting surface, which is beneficial for fitting with the cam 10. A return spring 8 for pulling the action end of the push rod 9 towards the center direction of the horizontal connecting pipe 2 is sleeved between the matching block 11 and the pipe wall of the horizontal connecting pipe 2 on the push rod 9. The two return springs 8 are both in a natural extension state in fig. 3, and the spring on the left side is in a compression state in fig. 4 due to the matching and pressing effect between the cam 10 and the matching block 11 on the left ejector rod 9, and the left return spring 8 can reset the left ejector rod 9 through the elastic force after the cam 10 rotates for 90 degrees continuously. The above process is continued with the continuous rotation of the rotation shaft 6 in the same direction, and the push rods 9 at the left and right sides are retracted after being extended in a reciprocating interval, so that the caught basketball located at both sides of the basket 1 can be pushed down.

The utility model discloses in provide pivot 6 and rotate in order to realize that ejector pin 9 stretches out to disclose the ball and drive pivot 6 and rotate in order to realize the moment of torsion source that resets for stay cord 12 and torsional spring 7 respectively towards opposite direction with realizing.

One end of the pull rope 12 is fixed on the rotating shaft 6 and positioned below the cam 10 and is coiled on the rotating shaft 6 for a plurality of turns, and the other end of the pull rope penetrates through the backboard 3 and then penetrates through the hollow frame body 4 to the base position of the frame body 4. A through hole 401 is formed at the base of the frame 4, one end of the pull rope 12 far from the basket 1 penetrates through the through hole 401 and then is fixed with the pull ring 5, and the shape and size of the pull ring 5 are far larger than those of the through hole 401 so as to prevent the pull ring 5 from entering the hollow frame 4 under the action of the torsion spring 7. The utility model provides a pull ring 5 plays the effect of being convenient for operating personnel pulling stay cord 12 on the one hand, on the other hand also can play the positioning action with the position of two ejector pins 9 of perforation 401 cooperation in the anti-sticking mechanism, length control through stay cord 12 makes stay cord 12 be in under slight tensioning or natural length promptly, make two ejector pins 9 and cam 10's relative position as shown in figure 3, so that the effect end of two ejector pins 9 is as far as possible parallel and level in the outer wall of horizontal connecting pipe 2, avoid causing basketball bounce-back orbit to change because of outstanding ejector pin 9 effect end in the basketball match, robbe backboard 3 to the sportsman and produce adverse effect. Horizontal connecting pipe 2 and support body 4 in this embodiment all set up to smooth circular arc section corresponding 12 via holes of stay cord or 4 turning positions of support body to supply stay cord 12 to smoothly pass through. In other embodiments, a fixed pulley can be disposed in the position of the frame body 4 with a small bending angle for winding the pulling rope 12, so as to prevent the pulling rope 12 from being locked.

The torsion spring 7 is sleeved on the rotating shaft 6 and located above the cam 10, and two ends of the torsion spring are respectively fixed with the pipe wall of the horizontal connecting pipe 2 and the side part of the cam 10 and provide torque force opposite to the rotating direction of the rotating shaft 6 pulled by the pull rope 12. In this embodiment, for protection torsional spring 7, avoid it to produce because of excessively pulling the stay cord 12 and damage, the fixed position that lies in 4 inner chambers of support body on the stay cord 12 of special is equipped with the dog, and the overall dimension of dog is equally far greater than perforation 401 for at pulling stay cord 12 in-process, accessible dog and perforation 401's cooperation restriction stay cord 12 pull out length, protection torsional spring 7 then.

The utility model discloses an in case the basketball card is in the position between basket 1, backboard 3 and the horizontal connecting pipe 2 in the concrete application, no matter be located basket 1's left side or right side by the card position, all can stimulate pull ring 5 and make pivot 6 rotate several circles. Two ejector pins 9 respectively extend out at reciprocating intervals and automatically retract for a plurality of times under the action of the convex part of the cam 10 in the rotating process of the rotating shaft 6, so that a clamped basketball falls off from a clamped position under the pushing action of the action end of one ejector pin 9, the continuity and the ornamental performance of a basketball game are maintained, and the safety hazard caused by an unscientific ball taking mode is avoided.

Claims

1. The utility model provides a basketball stands of anti-sticking ball, includes support body (4), backboard (3) and basket (1) of setting on backboard (3) of setting on support body (4), its characterized in that: the basket (1) is fixed on the backboard (3) through the horizontal connecting pipe (2), and the horizontal connecting pipe (2) is internally provided with an anti-blocking mechanism for ejecting a basketball clamped among the basket (1), the backboard (3) and the horizontal connecting pipe (2); the anti-jamming mechanism comprises a rotating shaft (6) distributed in the horizontal connecting pipe (2) along the vertical direction, a cam (10) fixed on the rotating shaft (6) and two ejector rods (9) arranged on the pipe walls of the two sides of the horizontal connecting pipe (2) in a sliding mode along the horizontal direction respectively, shaft holes for rotating the end portion of the rotating shaft (6) are formed in the pipe walls of the upper side and the lower side of the horizontal connecting pipe (2) respectively, sliding holes for enabling the corresponding ejector rods (9) to horizontally slide are formed in the pipe walls of the left side and the right side of the horizontal connecting pipe (2) respectively, one end, far away from the center of the horizontal connecting pipe (2), of each ejector rod (9) is arranged to be an acting end used for ejecting a basketball, and one end, close to the center of the horizontal connecting pipe (2), of each ejector rod (; one side that lies in cam (10) on pivot (6) is equipped with and is used for driving pivot (6) pivoted stay cord (12), the one end of stay cord (12) is fixed and coils on pivot (6), the other end of stay cord (12) runs through behind backboard (3) and support body (4) and wears to establish the outside of support body (4) and be fixed with pull ring (5) by seting up perforation (401) in support body (4) basal portion position, the opposite side cover that lies in cam (10) on pivot (6) is equipped with and is used for driving pivot (6) to rotate and makes stay cord (12) coil torsional spring (7) on pivot (6) again.

2. The basketball stand of claim 1, wherein the basketball stand is capable of preventing a basketball from being stuck: one end of the ejector rod (9) positioned in the horizontal connecting pipe (2) is provided with a matching block (11) matched with the cam (10), and one side of the matching block (11) facing the cam (10) is arc-shaped.

3. The basketball stand of claim 2, wherein the basketball stand is capable of preventing a basketball from being stuck: a return spring (8) used for pulling the action end of the ejector rod (9) towards the center direction of the horizontal connecting pipe (2) is sleeved between the matching block (11) and the pipe wall of the horizontal connecting pipe (2) on the ejector rod (9).

4. The basketball stand of claim 1, wherein the basketball stand is capable of preventing a basketball from being stuck: the position of the pull rope (12) in the frame body (4) is provided with a stop dog which can not be pulled out from the through hole (401) along with the pull rope (12), and the pull-out length of the pull rope (12) can be controlled by the limit matching of the stop dog and the through hole (401) so as to avoid the excessive compression damage of the torsion spring (7).

5. The basketball stand of claim 1, wherein the basketball stand is capable of preventing a basketball from being stuck: the horizontal connecting pipe (2) is a rectangular pipe.

6. The basketball stand of claim 1, wherein the basketball stand is capable of preventing a basketball from being stuck: a ball bearing for the end part of the rotating shaft (6) to be in running fit is arranged in the shaft hole of the horizontal connecting pipe (2).