CN210251092U

CN210251092U - Football goal convenient to move

Info

Publication number: CN210251092U
Application number: CN201921013193.9U
Authority: CN
Inventors: 周建华; 殷梓超; 周子涵
Original assignee: Zhijiang College of ZJUT
Current assignee: Zhijiang College of ZJUT
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-04-07
Anticipated expiration: 2029-07-02

Abstract

The utility model relates to the technical field of sports equipment, specifically disclose a football goal of convenient removal, including four hollow tubulose goal stands, the inside slewing mechanism that has set gradually of goal stand lower extreme, elevating system and gyro wheel mechanism, slewing mechanism includes mutually perpendicular meshed first bevel gear and second bevel gear for be vertical axial rotation with horizontal axial rotation transmission, elevating system includes the ball screw, ball nut, two sliders and two fixed slide rails, be used for the linear motion that is vertical direction with vertical axial rotation transmission, thereby control gyro wheel mechanism stretches out or retracts the goal stand. The utility model discloses simple structure, it is easy and simple to handle, solved current football goal because of the big difficult removal of steel material manufacturing weight and stability scheduling problem not good enough.

Description

Football goal convenient to move

Technical Field

The utility model relates to a football goal device, concretely relates to is a football goal of convenient removal, belongs to sports apparatus technical field.

Background

Football is an activity with both competitiveness and antagonism, is the single sports with the most influence in the world sports world, mainly gives priority to foot-dominated ball, and is known as the first world sports. In recent years, under the support of national leaders, relevant departments successively research and publish a plurality of important policies about football reform and implementation, continuously increase the input force of football work, stand up the national conditions, plan for a long time, and cultivate fully developed football backup talents, thereby improving the overall level of the football in China. With the development of cup and various football leagues in the world, more and more teenagers are added to the football. However, the urban land is very big in size and gold in earth, and the football field in the city is extremely short. In the football training process, the goal is indispensable sports apparatus, and sometimes the goal needs to be moved to suitable position according to the training needs, and present goal is mostly made of steel, and weight is very big, has a lot of problems, for example too heavily be difficult to conveniently move and carry, structural stability is not good enough etc. move the in-process and not only wasted a large amount of manpower and materials, and cause the damage of goal easily, especially for teenagers, it becomes a big problem to move the goal.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a convenient goal device that removes to the inconvenient removal of goal and the not good scheduling problem of structural stability enough that proposes in solving above-mentioned background art.

In order to overcome the defects of the prior goal, the utility model provides the following technical scheme: a football goal convenient to move comprises four goal stand columns, wherein the goal stand columns are hollow tubular, and the football goal convenient to move is characterized in that a rotating mechanism, a lifting mechanism and two roller mechanisms are sequentially arranged inside the lower ends of the goal stand columns from top to bottom, the rotating mechanism comprises a first bevel gear, a second bevel gear and a rotating disk, the first bevel gear is axially and horizontally arranged, the second bevel gear is axially and vertically arranged, a rotating shaft of the first bevel gear penetrates through the side wall of the goal stand column through a bearing I and is fixedly connected with the rotating disk outside, and the first bevel gear is meshed with the second bevel gear; the lifting mechanism comprises a ball screw, a ball nut, two sliding blocks and two fixed sliding rails, and the ball screw is rotatably and vertically arranged below the second bevel gear through a second bearing and fixedly connected with the second bevel gear; the ball screw is sleeved on the ball screw in a matching manner, the sliding blocks are fixedly connected to two sides of the ball screw respectively, the fixed sliding rail is vertically and fixedly arranged on the inner wall of the goal upright post below the bearing II, and the sliding blocks are matched with the fixed sliding rail; the roller mechanism comprises a support and a universal wheel, the upper end of the support is fixedly connected with the bottom of the sliding block, and the lower end of the support is fixedly connected with the universal wheel.

In the structure, the horizontal axial rotary motion is changed into the vertical axial rotary motion through the meshing transmission of the first bevel gear and the second bevel gear, and the rotary motion is changed into the vertical linear motion through the matching of the ball screw and the ball nut, so that the universal wheel is controlled to extend out of or retract into the goal upright post.

As a preferred scheme, a limiting ring is arranged below the fixed slide rail and fixedly arranged on the inner wall of the goal upright post.

As a preferable scheme, the inner wall of the goal upright post is provided with a slide rail fixing hole for fixing the slide rail on the inner wall of the goal upright post.

Preferably, the sliding blocks are symmetrically and horizontally distributed on two sides of the ball nut.

As a preferred scheme, the fixed slide rail adopts a sliding type guide rail, and the slide block is in sliding fit with the fixed slide rail.

Preferably, the surface of the rotating disc is provided with anti-skid lines, so that the rotation control of the whole rotating mechanism is facilitated.

Preferably, the universal wheel is a damping universal wheel.

As a preferable scheme, the disc base is arranged at the bottom of the goal upright post, so that the stability of the goal in the fixing process is improved.

As a preferred scheme, football goal still include crossbeam, back beam and connecting rod, the goal stand passes through welded connection with crossbeam, back beam, connecting rod respectively.

As a preferred scheme, the surfaces of the goal upright post, the cross beam, the rear beam and the connecting rod are coated with anti-rust layers, so that the service life of the goal is prolonged.

Compared with the prior art, the utility model, its beneficial effect lies in: the utility model discloses manual rotation anti-skidding rotary disk through first bevel gear and second bevel gear meshing transmission, can control the lift of the inboard elevating system of ball door stand lower extreme, realizes the lift of gyro wheel structure then to change the moving state and the fixed state of goal device. The design of the sliding type guide rail reduces the friction resistance in the process that the sliding block drives the damping universal wheels to lift, the design of the double damping universal wheels can realize the movement of the goal to all directions when the goal needs to move, simultaneously, the pressure on the goal in the whole goal moving process is reduced, and the good service life of the universal wheels is ensured; the design of cylinder base has guaranteed the stability of goal when fixed, and the reasonable in design of whole device, and convenient to use has solved current football goal and has made heavy and difficult removal and stability scheduling problem not good enough because of steel material, has avoided the goal to cause the unnecessary damage in transport and removal process.

Drawings

Fig. 1 is a schematic structural view of the present invention in a fixed state;

FIG. 2 is a partially enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of the moving state of the present invention;

FIG. 4 is a partially enlarged schematic view of a portion B of FIG. 3;

as shown in the figure: 1. goal front column, 2, connecting rod, 3, back beam, 4, crossbeam, 5, goal back column, 6, antirust coat, 7, rotary disk, 8, disk base, 9, first bevel gear, 10, second bevel gear, 11, ball screw, 12, bearing two, 13, ball nut, 14, slider, 15, lower retainer ring, 16, support, 17, shock attenuation universal wheel, 18, slide rail fixed orifices, 19, fixed slide rail, 20, bearing one, 21, pivot.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further specifically described below by way of embodiments and with reference to the accompanying drawings.

Example (b): a football goal convenient to move is shown in figures 1-4 and comprises four goal stand columns, a cross beam 4, a rear beam 3 and a connecting rod 2 which are respectively connected through welding, wherein the four goal stand columns are divided into two goal front stand columns 1 and two goal rear stand columns 5, the goal stand columns are hollow tubular, and a rotating mechanism, a lifting mechanism and a roller mechanism are sequentially arranged inside the lower ends of the goal stand columns from top to bottom.

The rotating mechanism comprises a first bevel gear 9, a second bevel gear 10 and a rotating disk 7, wherein the first bevel gear 9 is axially and horizontally arranged, the second bevel gear 10 is axially and vertically arranged, the rotating shaft 21 of the first bevel gear 9 penetrates through the side wall of the goal upright post through a bearing I20, the rotating disk 7 is arranged outside the goal upright post and is fixedly connected with the rotating shaft 21 of the first bevel gear 9, and anti-skid grains are arranged on the surface of the rotating disk 7, so that a user can rotate the rotating disk 7 under the conditions of palm sweating and the like; the first bevel gear 9 is engaged with the second bevel gear 10, and the rotation of the first bevel gear 9 in the horizontal axial direction can be transmitted to the rotation of the second bevel gear 10 in the vertical axial direction.

The lifting mechanism comprises a ball screw 11, a ball nut 13, two sliders 14 and two fixed slide rails 19, the ball screw 11 is rotatably and vertically arranged below the second bevel gear 10 through a second bearing 12 and fixedly connected with the second bevel gear 10, and the second bearing 12 is fixedly arranged on the inner wall of the goal upright post; the ball screw 11 is sleeved with the ball nut 13 and matched with the ball screw, and the two sliding blocks 14 are symmetrically, horizontally and fixedly arranged on two sides of the ball nut 13; the fixed slide rail 19 is arranged on the inner wall of the goal upright post below the bearing II 12 and is fixedly arranged on the inner wall of the goal upright post through a slide rail fixing hole 18 formed in the inner wall of the goal upright post, the fixed slide rail 19 adopts a sliding type guide rail, and the slide block 14 is in sliding fit with the fixed slide rail 19; a limiting ring 15 is arranged below the fixed slide rail 19, and the limiting ring 15 is welded on the inner wall of the goal upright post.

In the lifting mechanism, the ball screw 11 is driven by the second bevel gear 10 to rotate, so that the ball nut 13 can be driven to move up and down in the vertical direction, and the sliding block 14 is driven to slide up and down on the fixed sliding rail 19; the stop collar 15 prevents the sliding blocks 14 from sliding out of the fixed slide rails 19, and keeps the sliding blocks 14 on each goal post on the same horizontal plane when sliding to the lowest position.

Two roller mechanisms are arranged on each goal upright post in a matched manner, each roller mechanism comprises a support 16 and a universal wheel 17, the upper end of each support 16 is welded with the bottom of the corresponding sliding block 14, and the lower end of each support 16 is welded with the corresponding universal wheel 17; the universal wheel 17 adopts the shock attenuation universal wheel, because football goal uses the place generally not very level, the stability of goal in the removal process can be guaranteed on the one hand in the use of shock attenuation universal wheel, and on the other hand helps prolonging the life of universal wheel 17.

In addition, in the embodiment, the disc base 8 is arranged at the bottom of the goal upright post, so that the goal is more stable in a fixed state; and the surfaces of the upright post, the cross beam 4, the rear beam 3 and the connecting rod 2 of the goal are coated with the anti-rust layer 6, which is beneficial to prolonging the service life of the goal.

In the specific implementation of the embodiment, the rotating disc 7 is rotated manually, and the lifting mechanism on the inner side of the lower end of the ball door upright post can be controlled to lift through the meshing transmission of the first bevel gear 9 and the second bevel gear 10, so that the lifting of the roller structure is realized, and the moving state and the fixing state of the goal device are changed. When the rotating disk 7 rotates, the ball screw 11 connected with the second bevel gear 10 also rotates, the ball nut 13 drives the sliding block 14 to vertically move along the fixed sliding rail 19, when the sliding block 14 slides downwards to the limiting ring 15, the universal wheel 17 of each goal upright post is positioned on the same horizontal plane, and the goal can move towards any direction; after the goal is moved to a designated position, the universal wheel 17 can be vertically lifted and retracted into the goal upright post by rotating the rotating disk 7 again, and the disk base 8 at the bottom of the goal upright post ensures the stability of the goal in a fixed state. Whole device reasonable in design, convenient operation has solved the difficult removal of current football goal and the not good scheduling problem of stability enough, has saved a large amount of manpower and materials, has improved the life and the convenience at goal.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. All changes and modifications that may be made by the technical spirit of the present invention to the above embodiments by simple modification are considered to fall within the scope of the present invention.

Claims

1. The utility model provides a convenient football goal that removes, includes four goal stands, the goal stand is hollow tubulose, its characterized in that, goal stand lower extreme inside from the top down set gradually:

the rotating mechanism comprises a first bevel gear, a second bevel gear and a rotating disk, wherein the first bevel gear is axially and horizontally arranged, the second bevel gear is axially and vertically arranged, the rotating shaft of the first bevel gear penetrates through the side wall of the goal upright post through a first bearing and is fixedly connected with the rotating disk outside, and the first bevel gear is meshed with the second bevel gear;

the lifting mechanism comprises a ball screw, a ball nut, two sliding blocks and two fixed sliding rails, and the ball screw is rotatably and vertically arranged below the second bevel gear through a second bearing and is fixedly connected with the second bevel gear; the ball screw is sleeved on the ball screw in a matching manner, the sliding blocks are fixedly connected to two sides of the ball screw respectively, the fixed sliding rail is vertically and fixedly arranged on the inner wall of the goal upright post below the bearing II, and the sliding blocks are matched with the fixed sliding rail; and

the roller mechanism comprises a support and a universal wheel, the upper end of the support is fixedly connected with the bottom of the sliding block, and the lower end of the support is fixedly connected with the universal wheel.

2. The football goal convenient to move according to claim 1, wherein a limiting ring is arranged below the fixed slide rail, and the limiting ring is fixedly arranged on the inner wall of the goal upright post.

3. The football goal convenient to move as claimed in claim 1, wherein slide rail fixing holes are formed in the inner wall of the goal upright post.

4. The football goal convenient to move as claimed in claim 1, wherein the sliding blocks are symmetrically and horizontally distributed on two sides of the ball nut.

5. A movable football goal as claimed in claim 1, wherein the fixed slide rails are sliding guide rails, and the sliding blocks are in sliding fit with the fixed slide rails.

6. A conveniently moved football goal according to claim 1, wherein the surface of the rotating disc is provided with anti-slip lines.

7. The football goal convenient to move according to claim 1, wherein the universal wheels are shock-absorbing universal wheels.

8. A football goal convenient to move as claimed in claim 1, wherein a disc base is provided at the bottom of the goal upright post.

9. The football goal convenient to move according to claim 1, further comprising a cross beam, a back beam and a connecting rod, wherein the goal upright posts are respectively connected with the cross beam, the back beam and the connecting rod through welding.

10. The football goal convenient to move according to claim 9, wherein the surfaces of the goal upright posts, the cross beams, the rear beams and the connecting rods are coated with an anti-rust layer.