A space-saving ball game facility

Abstract

The utility model discloses a land-saving type ball game facility, including blocking and folding part, guide cable part, ball lever, ball body. The blocking and folding part includes one or more than one blocking cable, the guide cable part includes a guide cable, the guide cable is on the blocking cable, or part is below or side of the one or more than one blocking cable, the ball lever includes straight pole, fork pole, hook pole, any one or combination of bent pole, the ball body is tubular body and is worn on the guide cable, and the ball body sliding or flying all do not separate from the guide cable. Through the flight path of tubular ball body that is penetrated and is restricted by the guide cable in the air, can make the ball body not influence ground attachment, also can restrict the activity space and path of personnel in the process of playing ball, thereby breaking the problem that the ball court must use larger area land. This makes the ball court can not occupy the construction land index, realizes the purpose of developing sports.

Description

Technical Field

[0001] This utility model relates to the field of leisure sports, and in particular to a land-saving suspension ball sports facility. Background Technology

[0002] Existing outdoor ball sports all require large areas of space. Under the current land use planning management system in my country, construction land is extremely scarce. In rural and suburban areas, the air is fresh, the sun is shining, and the scenery is beautiful, making them ideal for outdoor sports. However, due to the lack of construction land, planning and construction are difficult, and many existing sports fields have been shut down because they occupy various types of land. Utility Model Content

[0003] The purpose of this invention is to overcome the above-mentioned shortcomings of the existing technology and provide a land-saving ball sports facility.

[0004] This invention is achieved through the following technical solution: a tubular body is used as the sphere, and an overhead guide cable runs through the sphere to constrain its flight path. This prevents the sphere from touching the ground and affecting any objects attached to it, while also restricting the movement path and space of players during play, thus solving the problem of requiring a large area of ​​land for the sports field. This allows this type of sport to be carried out in many rural areas using narrow spaces, as well as in woodlands and along riverbanks. All parts of the facility do not occupy construction land quotas, or only require a very small amount of surface area temporarily during play. The areas where athletes stand and move only require temporary use of other land, such as earthen embankments or grassy areas under trees.

[0005] The basic structure of the facility includes a baffle, a guide cable, a club, and a ball.

[0006] (1) Bending part

[0007] The function of the deflector is to provide an obstacle to the movement of the sphere and to provide turning points along its path. The basic structure of the deflector includes a blocking cable, with both ends attached to tree branches or other environmental features at a certain height. Between the two suspension points, the blocking cable, in its unloaded state, forms a catenary shape due to its own weight. When loaded with the guide cable of the guide cable section and the weight of the sphere, the blocking cable forms an approximate V-shape between the two suspension points. The angle between the line connecting the two ends of the catenary and the horizontal plane is the suspension angle, which is between 0° and 180°.

[0008] Generally, the suspension angle is small, close to horizontal. The guide cable rests on the barrier cable, and the guide cable's position is maintained near the lowest point of the barrier cable by the catenary or V-shaped shape of the barrier cable, thus maintaining a relatively stable path. The lowest point of the barrier cable is generally higher than the height of a person raising their hand, making it more difficult for the ball to cross, while ensuring that the guide cable does not sag and affect ground attachments (grass, crops, etc.). The advantages of using rope as a barrier cable are that it allows for greater span flexibility, enabling it to cross rivers or trees that are far apart; in addition, it can mitigate the destructive force when the ball hits the barrier, and it is also easier to transport.

[0009] When the movement path needs to change direction, the suspension angle can be a large angle, allowing the guide cable to turn at the arresting cable, with the guide cable positioned above or to one side of the arresting cable. When a local increase in difficulty is required, the guide cable can be positioned below the arresting cable.

[0010] The barrier section can also be composed of multiple barrier cables, arranged sequentially along a certain path (such as a ridge or a line connecting several trees in a woodland) at intervals of a certain distance (a few meters or tens of meters). The path can be a straight line, a broken line, or a closed loop. The horizontal projection angle between any two adjacent barrier cables is less than or equal to 90°. Because the angle at which the guide cable crosses the barrier cable is relatively free and does not require orthogonality, the maximum angle between two barrier cables can reach 90°. During the game, the player moves along the guide cable path and hits or pushes the ball along the guide cable, causing the ball to cross the barrier cables one by one. Playing the game involves arm swings and waist rotations, as well as walking along the path, while simultaneously being bathed in the sunshine and natural atmosphere of the countryside and forests, which is beneficial to physical health.

[0011] The baffle section may also include a throwing element, which is used to attach one end of the barrier cable and pull the barrier cable to be thrown around a suitable branch of the first tree (or a surrounding feature), and then continue to pull the barrier cable to the second tree (or a surrounding feature). After being thrown again and pulled around a suitable branch of the second tree (or a surrounding feature), the two ends of the barrier cable are tied to surrounding features to form the baffle section. Another advantage of using rope as a barrier cable is its light weight, which allows it to be thrown and hung on higher branches with the help of a throwing element, and can be operated by a single person.

[0012] In situations where there is a lack of environmental support features and extremely limited usable space—such as narrow earthen embankments—the baffle can be constructed using one or more single-point support frames. These frames are inserted into the surface of the earthen embankment or its side foot at a single point to provide support for the barrier cable, or to replace the baffle itself. The single-point support frames can be Y-shaped, horn-shaped, T-shaped, or F-shaped. Each frame includes a lower insert and an upper barrier frame. The insert is inserted into the surface soil. The barrier frames can be V-shaped, horn-shaped, or straight. The barrier cable is secured to both ends of the V-shaped frame; the straight barrier frame has stoppers at both ends to prevent slippage. The horn-shaped and straight barrier frames replace the barrier cable.

[0013] Where there is a lack of environmental support features but some usable space—such as woodland meadows or park lawns—the barrier section can use one or more sets of portal frame structures. Each portal frame structure consists of two posts and a ground-holding cable to form a support for the barrier cable. In use, both ends of the barrier cable are tied to the upper ends of the two posts, which stand vertically and form a portal frame structure with the barrier cable. The bottom of the posts is inserted into the soil, secured with ground nails, or supported by foot braces. Each post also includes a ground-holding cable, one end of which is tied to the upper end of the post, and the other end is pulled out along two obtuse angles with the horizontal projection of the barrier cable as the baseline, and secured to the ground or other environmental features. The ground-holding cable and the barrier cable form a stable "tri-obtuse angle" tension structure with the post as the base point, keeping the post stable. The so-called "triple obtuse angle" tensioning structure refers to a structure in which the horizontal projections of the two grip cables and the one arresting cable are all obtuse angles, each approximately 120°.

[0014] (2) Guide cable section

[0015] The guide cable section includes a single, flexible, and slender cable that can change its suspended position under the influence of the ball's movement. The guide cable rests on one or more arresting cables. When not bearing the load of the ball, the guide cable forms a herringbone-shaped suspension line or a wavy line with multiple herringbone connections, the apex of which is the intersection of the guide cable and the arresting cable. When bearing the load of the ball, the guide cable approximately forms a broken line, the turning points of which are the points where the arresting cables intersect with the guide cable and the ball's location. Utilizing the catenary characteristics of the arresting cables, the guide cable's position is maintained near the lowest point of the catenary. Both ends of the guide cable are secured to environmental features at a certain height, ensuring that the guide cable does not touch any ground attachments. When the movement path needs to change direction, the suspension angle of the arresting cable can be a large angle, allowing the guide cable to make a horizontal turn at the arresting cable, with the guide cable positioned above or to one side of the arresting cable. When a local increase in difficulty is required, the guide cable can be positioned below the arresting cable.

[0016] The two ends of the guide cable are attached to trees or other environmental features of a certain height, forming the two endpoints of the guide cable. This certain height allows the ball, fitted onto the guide cable, to be easily struck. Utilizing the characteristic that the arresting cable's suspension angle is between 0° and 180°, the guide cable can obtain a horizontal lateral force at the arresting cable, thus enabling the guide cable to make horizontal turns to adapt to natural terrain and form diverse paths. The actual length of the guide cable has redundancy relative to the total length of the broken line connecting the two ends and each overlapping point of the guide cable. This ensures that when the ball in flight crosses the arresting cable, the ball can pull the guide cable away from the arresting cable, and the distance away is not less than the dimension required for the ball to cross or bypass the arresting cable. Simultaneously, this redundancy prevents the ball from touching the ground or ground attachments in any state while fitted onto the guide cable.

[0017] When the sphere crosses the barrier cable, it needs to be airborne and go around the barrier cable. Therefore, when the sphere crosses the barrier cable, the flight power of the sphere can pull the guide cable away from the barrier cable, and the distance away is not less than the size required for the sphere to cross and go around the barrier cable.

[0018] To facilitate the removal of the ball from the guide cable or the insertion of the guide cable into the ball, the two ends of the guide cable are loops. The guide cable also includes two head and tail rods and several ground stakes for anchoring the two ends of the guide cable when environmental features are lacking. The two loops at the ends of the guide cable are respectively fitted onto the handles of the two ground stakes, with the stake feet inserted into the surface soil. The bottom of the head and tail rods is pointed, allowing for insertion into the surface soil to prevent lodging. The top of the head and tail rods includes a V-groove, in which the guide cable rests in the V-groove or is wrapped around the head and tail rods in a suspended state. The head and tail rods support the guide cable at a certain height, making the ball fitted onto the guide cable suitable for being struck. The ball is pulled along the guide cable throughout its movement and does not touch any ground attachments. The loop can be easily pulled out from the handle of the ground stake to remove the ball from the guide cable or insert the ball into the guide cable. Multiple balls can be pre-fitted onto the guide cable and temporarily stored between the ground stake and the head and tail rods. When the guide cable is lifted from the head and tail rods, the balls can be moved one by one past the head and tail rods, entering the striking state.

[0019] To facilitate ball replacement or reorientation during the shot, the starting point of the guide cable includes a switching mechanism. This mechanism is a disconnect-connect switch, sized to pass through the inner cavity of the ball. The mechanism includes one A end and two B ends, which can be connected and disconnected via a snap-fit ​​connection. The guide cable disconnects at the switching mechanism, becoming a main guide cable and a switching cable. The main guide cable is connected to the A end of the switching mechanism. The switching cables, including switching cables b1 and b2, are located between the switching mechanism and the head and tail rods. The main guide cable can be connected to any or all of the switching cables via the switching mechanism. One end of each switching cable is attached to the upper part of the head and tail rods, or passes through the V-groove of the head and tail rods and is fitted onto the ground stake; the other end is connected to the B end of the switching mechanism. Of the two switching cables, one is connected to the main guide cable via the switching mechanism, and the other is suspended for later use.

[0020] (3) Cue stick

[0021] The cue stick includes a straight cue, a fork cue, a hook cue, and a curved cue. Each cue stick includes a handle and a head. The straight cue has a straight shaft, and its head may have a flat contact surface to allow for planar contact with the ball. The fork cue includes a V-shaped or U-shaped head. The hook cue includes a hook-shaped head with a small hook and a long finger. The small hook points away from the handle, and the long finger is a straight shaft coaxial with the handle, or a curved shaft with a certain curvature, symmetrical to the small hook about the cue stick's main axis. The curved cue includes a curved head.

[0022] The V-shaped fork head of the fork resembles a slingshot, suitable for supporting and pushing the guide cable and the ball from directly above. Straight, hook, and curved rods are suitable for supporting and pushing the guide cable and the ball at an angle.

[0023] The handle has a textured surface for grip. The cross-section of the cue stick gradually tapers from the handle towards the head.

[0024] (4) Sphere

[0025] The ball is a Bernoulli tubular object fitted onto the guide cable. The inner diameter of the Bernoulli tubular object is approximately 4 cm, much larger than the diameter of the guide cable, to provide greater freedom of movement for the tubular object and prevent it from becoming entangled or hindered by the guide cable. This also provides a larger contact and striking surface for the cue stick at the striking end of the ball. The length of the tubular object is approximately 1.5-3 times its outer diameter to reduce its eccentric flipping momentum upon impact.

[0026] The longitudinal section of the inner edge of the Bernoulli tubular opening is a convex curve, with the convex section pointing towards the main axis of the tubular body; the longitudinal section of the inner wall of the Bernoulli tubular body is a convex curve, with the convex section also pointing towards the main axis of the tubular body. The convex inner opening curve and the convex inner wall curve smoothly connect, forming a structure that is wider at the opening and narrower at the belly. This structure allows for a more even distribution of friction between the tubular wall and the guide cable, reducing the risk of guide cable breakage due to localized stress concentration.

[0027] To further optimize the spherical configuration, the longitudinal section of the outer wall of the Bernoulli tubular body is a convex curve at the opening, with the convex section facing away from the main axis. The longitudinal section of the waist of the outer wall of the tubular body is a concave curve, with the concave section pointing towards the main axis. The convex curve at the opening and the concave curve of the outer wall smoothly connect, forming a structure that is thick at both ends and thin at the waist. This structure can further optimize the airflow distribution during the flight of the sphere.

[0028] To further improve the flight performance of the sphere and reduce tumbling and oscillations during flight along the guide cable, as well as deviations of the sphere's main axis from its flight direction, auxiliary wings can be provided on the sidewalls of the Bernoulli tubular body. These auxiliary wings can be distributed symmetrically about the longitudinal axis of the tubular body or arranged in a circular array with equal angles. The number of auxiliary wings can be two, three, or more. To further improve the flight performance, the auxiliary wings can also be located on one side of the tubular body, with a counterweight added to the other side to ensure that when the sphere is suspended from the guide cable, the auxiliary wings are located on the upper part and the counterweight on the lower part. The longitudinal section of the auxiliary wings can be straight or curved airfoil-shaped. The function of the auxiliary wings is to increase the stability and directionality of the sphere during flight, reduce tumbling and swaying, and the curved airfoil shape also helps to increase lift, allowing the sphere to fly farther and adding to the overall enjoyment.

[0029] Furthermore, the Bernoulli tube has a toothed end, and its sidewalls may also have several air vents. The inner and outer walls of the tube may have several protrusions or pits, or other irregular structures. These microstructures allow air to form a turbulent boundary layer on the surface of the moving sphere. Compared to a smooth surface, this turbulence allows air to adhere more tightly to the sphere's surface, reducing low-pressure areas at the rear and sides of the sphere, thereby reducing air resistance and enabling the sphere to fly a greater distance. This type of sphere configuration can also be equipped with auxiliary wings.

[0030] Furthermore, when using additive manufacturing technology (3D printing technology), the wall structure of the Bernoulli tubule is a lightweight structure, including hollow or closed structures such as lattice structures, mesh structures, sheet structures, multi-layer mesh structures, and sparse-dense mesh structures. Such structures can also meet the requirements for reducing air resistance. Spheres of this configuration can also be equipped with auxiliary wings.

[0031] Furthermore, to provide a simpler type of sphere, the sphere is a tubular body with a uniform cross-section and may be equipped with auxiliary wings.

[0032] Furthermore, the sphere can be a cylindrical frame and may be equipped with auxiliary wings.

[0033] Furthermore, the spherical material is tough and can absorb impact forces.

[0034] Furthermore, the baffle is a suitable branch or strip-shaped component. A suitable branch or strip-shaped component can perform the function of the baffle, and the advantage of a thicker branch or strip-shaped component is that it has higher rigidity and does not deform.

[0035] Furthermore, the single-support frame also includes a connecting part, which adopts connection methods including sleeves, tenons, internal inserts, buckles, and bead-eye connections, so that the long components of the single-support frame become short components and the turning components become detachable and combinable components, making the single-support frame detachable and combinable or foldable, which is convenient for storage and transportation.

[0036] Furthermore, each column of the portal frame also includes a connecting part. The connecting part adopts connection methods including sleeves, tenons, internal plugs, buckles, and pin-eyes, so that the column becomes a detachable and combinable component, and the portal frame becomes a detachable and combinable or foldable type, which is convenient for storage and transportation.

[0037] The beneficial effects of this utility model are as follows:

[0038] This utility model discloses a land-saving ball sports facility. By incorporating a baffle, guide cable, club, and tubular ball, and using a suspended guide cable to guide the ball's flight path, it prevents the ball from touching the ground and affecting any surface attachments. It also restricts the movement and space of players during play, thus solving the problem of requiring a large area of ​​land for a ball court. This allows for the development of this sport in many rural areas using earthen embankments, as well as in woodlands and riverbanks. The setup and operation costs are very low, making it easy to promote to the general public. All parts of the facility do not require land use permits; for example, the guide cable can be tied to trees, and the pole can be erected using trees. The areas where athletes stand and move only require temporary use of other land, such as earthen embankments or grassy areas under trees, thus achieving the goal of saving land and utilizing the high-quality environmental resources of suburban areas for sports activities. Attached Figure Description

[0039] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0040] Figure 2 This is a schematic diagram of the principle of the barrier part in an embodiment of the present utility model.

[0041] Figure 3 This is a planar schematic diagram of the path change of the guide cable in an embodiment of this utility model.

[0042] Figure 4 This is a schematic diagram of the longitudinal section and three-dimensional effect of the Bernoulli tubular body according to an embodiment of the present invention.

[0043] Figure 5 This is a schematic longitudinal section of a Bernoulli tubular body according to an embodiment of the present invention.

[0044] Figure 6 This is a schematic diagram of a Bernoulli tubular body with auxiliary wings and counterweights according to an embodiment of the present invention.

[0045] Figure 7 This is a schematic diagram of the micro-airflow structure according to an embodiment of the present invention.

[0046] Figure 8 This is a schematic diagram of the cue structure according to an embodiment of the present invention.

[0047] Figure 9 This is a schematic diagram of a barrier portion according to an embodiment of the present utility model.

[0048] Figure 10 This is a schematic diagram of another barrier portion according to an embodiment of the present utility model.

[0049] Figure 11 This is a schematic diagram of various configurations of a single-support frame according to an embodiment of this utility model.

[0050] Figure 12 This is a schematic diagram of a portal frame according to an embodiment of the present utility model.

[0051] Figure 13 This is a schematic diagram of the bamboo-joint sleeve of the portal frame according to an embodiment of the present utility model.

[0052] Figure 14 This is a schematic diagram of an embodiment of the present invention in which multiple barrier parts are arranged along a certain path.

[0053] Figure 15 This is a schematic diagram illustrating one implementation method of this utility model that utilizes environmental features.

[0054] Figure 16 This is a schematic diagram of the conversion mechanism, conversion cable, ring, head and tail rods, and ground stakes in an embodiment of this utility model.

[0055] Figure 17 This is a schematic diagram of the construction of multiple obstruction sections using environmental features in Embodiment 2 of this utility model.

[0056] Figure 18 This is a schematic diagram of the combination method for crossing the river in Embodiment 3 of this utility model.

[0057] Figure 19 This is a schematic diagram of an embodiment of the present invention, using a portal frame as the deflector.

[0058] Figure 20 This is a schematic diagram of the combination of the portal frame and environmental features in an embodiment of this utility model.

[0059] Figure 21 This is a schematic diagram of the combination along narrow terrain according to an embodiment of the present invention.

[0060] Figure 22 This is a schematic diagram of a disassembled single-support frame according to an embodiment of the present utility model.

[0061] Figure 23 This is a schematic diagram of the Y-shaped three-cylinder of the detachable single-support frame according to an embodiment of the present utility model.

[0062] Figure 24 This is a cross-sectional schematic diagram of the Y-shaped three-cylinder tube of the detachable single-support frame according to an embodiment of the present utility model.

[0063] Figure 25 This is a schematic diagram of the ground fork foot of the detachable single-support frame according to an embodiment of the present utility model (partial cross-section of the cylinder section).

[0064] Figure 26 This is a partial cross-section of the spare sleeve and spare pin of the detachable single-support frame according to an embodiment of the present utility model.

[0065] Figure 27 This is a schematic diagram of the connecting part in an embodiment of the present utility model.

[0066] Explanation of reference numerals in the attached figures:

[0067] Sphere 10: Bernoulli tubular body 11, convex curve of inner orifice 111, convex curve of inner wall 112, convex curve of outer orifice 113, concave curve of outer wall 114, auxiliary wing 12, serration 13, pore 14, protrusion 15, pit 16, counterweight 17, lightweight structure 18, ring-column frame 19.

[0068] Club 20: Straight club 21, Fork club 22, Hook club 23, Bending club 24, Handle section 25, V-shaped clubhead 26, Small hook 27, Long finger 28, Bend 29

[0069] Barrier section 30: barrier cable 31, tree trunk (or environmental feature) 32, river 321, launcher 33, spool 34, single-point support frame 35, foot 351, barrier frame 352, stop 353, swing arm 354, diagonal brace 355.

[0070] Guide cable section 40: guide cable 41, main guide cable 411, b1 conversion cable 412, b2 conversion cable 413, head and tail rods 42, pointed foot 43, V-groove 44, ground stake 45, handle 451, spike foot 452, ring 46, conversion mechanism 47, A end 47A, B end 47B.

[0071] Disassembled single-point support frame 50: Y-shaped three-cylinder tube 51, main tube 511, side tube 512, pivot 513, crossbar 514, bolt head 515; ground fork foot 52, cylinder section 521, fork tooth 522, crossbar 523, cover 524, spool 525; upper insertion rod 53, stop head 531, winding section 532, bolt head 533, groove 534, long upper insertion rod 535, short upper insertion rod 536; lower insertion rod 54, groove 541; spare sleeve 55, crossbar 551; spare insertion rod 56, groove 561.

[0072] Portal-type support frame: 60 upright, 61 bamboo-joint sleeve, 611 spool, 612 cover, 62 upper insertion rod, 621 stop, 622 winding part; 63 lower insertion rod, 64 ground grip cable, 65 spare bamboo-joint sleeve, 66 spare insertion rod, 661 ground stake.

[0073] Connecting part 70: sleeve 71, tenon 72, inner insert 73, buckle 74, snap bead 75, eyelet 76. Detailed Implementation

[0074] The following description of the embodiments is with reference to the accompanying drawings, which illustrate specific embodiments in which the present invention can be implemented.

[0075] like Figures 1 to 26 As shown in the figure, this embodiment discloses a land-saving ball sports facility.

[0076] First, let's introduce the basic principles.

[0077] like Figure 1 As shown, the basic components of a land-saving ball sports facility include a ball 10, a club 20, a baffle 30, and a guide cable 40.

[0078] like Figure 2 As shown in a, b, and c, when the arresting cable 31 is unloaded, it forms a catenary shape between the two suspension points. The angle A between the line connecting the two ends of the catenary and the horizontal plane is the suspension angle, which is between 0° and 180°. Figure 2As shown in d, e, and f, under the load of the guide cable 41 and the weight of the sphere 10 (represented by small triangles in the figure), the two suspension points of the arresting cable 31 form an approximate V-shape, with the guide cable 41 at the lowest point of the V-shape. As shown in e, f, and g, an arresting cable 31 with a larger suspension angle A can allow the guide cable 41 to be deflected. As shown in h and j, to increase the difficulty, a portion of the guide cable 41 can also be located below the arresting cable 31.

[0079] like Figure 3 As shown, due to Figure 2 The barrier cable 31 shown has different suspension angles, which allows the path of the guide cable 41 to include straight lines and broken lines, so that the movement path can be freely changed, can be flexibly adapted to the terrain, and increase the fun.

[0080] Then, the composition and structure of each part will be introduced.

[0081] (1) Sphere:

[0082] like Figure 4 , Figure 5 As shown, the sphere 10 is a Bernoulli tube 11. Because it is fitted onto the guide cable 41, it is necessary to reduce friction. The longitudinal section of the inner edge of the Bernoulli tube 11 is a convex curve 111, with the convex section pointing towards the main axis. The longitudinal section of the inner wall is a convex curve 112, with the convex section also pointing towards the main axis. These two convex curve sections are smoothly connected, forming a structure that is wider at the opening and narrower in the middle. This structure can make the friction distribution between the tube wall and the guide cable more even, reducing the risk of guide cable breakage due to localized stress concentration.

[0083] To further optimize the configuration of the sphere 10, the longitudinal section of the outer wall of the Bernoulli tube 11 is a convex curve 113, with the convex section away from the main axis, while the longitudinal section of the outer wall waist section is a concave curve 114, with the concave section pointing towards the main axis. The convex curve 113 and the concave curve 114 smoothly connect to form a "waist-drum" structure that is thick at both ends and thin at the waist. This structure can further optimize the airflow distribution during the flight of the sphere.

[0084] like Figure 6As shown, to further improve the flight performance of the sphere and reduce problems such as tumbling and oscillation during flight along the guide cable, and deviation of the sphere's main axis from the flight direction, auxiliary wings 12 can be provided on the sidewall of the Bernoulli tubular body. The auxiliary wings 12 are symmetrically distributed about the longitudinal axis of the Bernoulli tubular body 11, or arranged in a circular array with equal angles. The number of auxiliary wings can be 2, 3, or more. To further improve the flight performance of the sphere, the auxiliary wings can also be located on one side of the Bernoulli tubular body 11, with a counterweight 17 added to the other side. The longitudinal section of the auxiliary wings 12 can be straight or curved airfoil-shaped. The function of the auxiliary wings is to increase the stability and directionality of the sphere 10 during flight, reduce tumbling and swaying, and the curved airfoil shape also helps to increase lift, allowing the sphere 10 to fly farther, while also increasing the fun factor.

[0085] like Figure 7 As shown in (1), the tubular body has several serrations 13 at its port end, and several air holes 14 can also be opened on the side wall. The inner and outer side walls of the tubular body can have several protrusions 15 or several pits 16, or other uneven structures. These microstructures enable air to form a turbulent boundary layer on the surface of the moving sphere. Compared to a smooth surface, this turbulence allows the air to adhere more tightly to the surface of the sphere, reducing the low-pressure area behind the sphere, thereby reducing air resistance and enabling the sphere to fly a greater distance. Figure 7 As shown in (2), the tube wall structure of the tubular body can also be a lightweight structure 18, including a lattice-like, mesh-like, multi-layer mesh-like, or other hollow or closed structure. Figure 7 As shown in (3) and (4), the sphere is a “ring-shaped” frame 19. Figure 7 Each of the aforementioned spheres may be equipped with auxiliary wings 12.

[0086] (2) Cue stick:

[0087] like Figure 8 As shown, the cue stick includes a straight rod 21, a fork rod 22, a hook rod 23, and a curved rod 24.

[0088] The cue includes a handle portion 25. The straight rod 21 is a straight shaft. The fork 22 includes a V-shaped or U-shaped head 26; the hook rod includes a "small hook" 27 and a "long finger" 28, the "small hook" 27 pointing away from the handle, and the "long finger" 28 being a straight rod coaxial with the handle, or a curved rod symmetrical to the small hook about the main axis of the cue with a certain curvature. The curved rod 24 includes a curved head 29. The head 26 of the fork 22 is shaped like a slingshot, suitable for supporting and pushing the guide cable 41 and the ball 10 from directly above. The straight rod 21, hook rod 22, and curved rod 24 are suitable for supporting and pushing the guide cable 41 and the ball 10 at an inclined angle. The handle portion 23 has a concave-convex structure for anti-slip purposes.

[0089] (3) Bending part:

[0090] like Figure 9 , Figure 10 As shown, the basic structure of the barrier section 30 includes a barrier cable 31. Both ends of the barrier cable 31 are tied to tree branches or other environmental features 32 at a certain height. Between the two suspension points, the barrier cable 31, in its unloaded state, forms a catenary shape due to its own weight. The angle between the line connecting its two ends and the horizontal plane is the suspension angle, which is between 0° and 180°. The lowest point of the barrier cable 31 is generally higher than the height of a person raising their hand, making it difficult for the sphere 10 to cross, while ensuring that the cable does not sag and affect ground attachments (grass, crops, etc.). The advantages of using a rope as a barrier cable are that it allows for greater span flexibility, crossing rivers or trees that are far apart, and it is also easier to transport.

[0091] The barrier section includes a throwing element 33, which is used to attach one end of the barrier cable 31 and is thrown to pull the barrier cable 31 around a suitable branch of the first tree (or environmental feature 32), and continues to pull the barrier cable 31 to the second tree (or environmental feature 32). After being thrown again and pulled around the barrier cable 31 around a suitable branch of the second tree (or environmental feature 32), the two ends of the barrier cable 31 are tied to the environmental feature 32 respectively, forming the barrier section 30. Another advantage of using a rope as a barrier cable is its light weight, which allows it to be thrown and hung on higher branches with the help of the throwing element 33, and can be operated by a single person.

[0092] like Figure 11 As shown, when there is a lack of environmental support features and the available space is extremely narrow and limited, the baffle can use one or more single-point support frames 35 to provide support for the barrier cable 31 by inserting it into the ground at a single point, or to replace the baffle 30. The shape of the single-point support frame includes Y-shaped (1), bullhorn-shaped (2), T-shaped (3), and F-shaped (4). The lower part of the support frame is the insertion part 351, and the upper part is the barrier frame 352 or cantilever 354 with the barrier cable 31. The insertion part 351 is inserted into the surface soil layer. The barrier frame is V-shaped, bullhorn-shaped, or straight. The barrier cable 31 is tied to both ends of the V-shaped frame. The two ends of the straight barrier frame are provided with stoppers 353 to prevent the guide cable from slipping. The bullhorn-shaped and straight barrier frames replace the barrier cable.

[0093] like Figure 11 As shown, the single-point support frame 35 also includes a connecting part 70, which can be a sleeve or a hinge or other connection method, so that the long component of the single-point support frame 35 becomes a short component and the turning component becomes a detachable component, so that the single-point support frame 35 becomes detachable or foldable, which is convenient for storage and transportation.

[0094] like Figure 12 As shown, in situations lacking environmental support features but with available space—such as woodland meadows or park lawns—the barrier section can utilize one or more sets of portal frame supports. In use, the two ends of the barrier cable 31 are secured to the winding portions 622 at the upper ends of the two supports 60, which stand vertically and form a portal frame structure with the barrier cable 31. The bottom of the supports 60 is inserted into the soil, secured with ground nails 661, or supported by foot supports (not shown in the figure). Each of the posts 60 also includes two gripping cables 64. One end of each gripping cable 64 is tied to the winding part 622 at the upper end of the post 60, and together with the barrier cable 31, they form a horizontal "tri-obtuse angle" tension structure with the post 60 as the base point. The gripping cable 64 contacts the ground or other environmental features at a suitable vertical angle. The ground-contacting end of the gripping cable 64 is fixed to the ground or tied to other environmental features by means of a ground nail 661, so that the post 60 remains stable.

[0095] To facilitate storage and transportation, the uprights can be of a detachable or foldable construction. For example... Figure 12 The right-side column 60 indicates a construction method with a connecting part 70 in the middle. The connecting part 70 can use sleeve technology or hinge technology to transform the long column into two shorter components.

[0096] Figure 12 The left column illustrates a construction method using sleeve technology, combined with... Figure 13As shown: Each post 60 includes 1 bamboo-joint sleeve 61, 1 upper insertion rod 62, 1 lower insertion rod 63, 1 grip cable 64, multiple ground stakes 661, 1 spare bamboo-joint sleeve 65, and 1 spare insertion rod 66. The bamboo-joint sleeve 61 is a sleeve whose cavity is divided into upper and lower parts; one end of the upper insertion rod 62 has a stop head 621 and a winding part 622 for the blocking cable. The stop head 621 is used to prevent the guide cable of the guide cable from slipping off. The other end of the upper insertion rod 62 is inserted into the upper cavity of the bamboo-joint sleeve 61; one end of the lower insertion rod 63 is inserted into the lower cavity of the bamboo-joint sleeve 61, and the other end is a foot that can be inserted into the ground soil; to reduce damage to the ground, the foot of the lower insertion rod 63 is fitted into the ring handle of the ground nail 661, and the nail part of the ground nail 661 is inserted into the ground soil; the two ends of the blocking cable are wrapped around the winding parts 622 of the two upper insertion rods 62 and tied to form the blocking part. When further height is required, the bamboo-joint sleeve 61 is lifted and separated from the lower insertion rod 63. The upper end of the spare insertion rod 66 is inserted into the lower cavity of the bamboo-joint sleeve 61. One cavity of the spare bamboo-joint sleeve 65 is fitted onto the upper part of the lower insertion rod 63, and the lower part of the spare insertion rod 66 is inserted into the other cavity of the bamboo-joint sleeve 61. Portal-style supports are suitable for use on forest lawns. Trees in parks or woodlands often do not meet the requirements for erecting barrier cables; portal-style supports can solve this problem.

[0097] like Figure 14 As shown, the obstruction section can also be formed by multiple obstruction cables 31 arranged in a queue along a certain path (such as a line connecting several trees in a woodland) and at certain intervals (a few meters or tens of meters). The path can be a straight line, a broken line, or a closed loop. The horizontal projection angle between any two adjacent obstruction cables 31 is less than or equal to 90°. Because the angle at which the guide cable 41 crosses the obstruction cable 31 is relatively free and does not require orthogonality, the maximum angle between two obstruction cables can reach 90°. During the game, the player moves along the guide cable path and hits or pushes the ball 10 along the guide cable 41, causing the ball 10 to cross the obstruction cables 31 one by one. During the game, there is both arm swinging and waist turning of the upper body, as well as walking along the path, while being bathed in the sunshine and natural atmosphere of the fields and forests, which is beneficial to physical health.

[0098] (4) Guide cable section:

[0099] like Figure 14 , Figure 15 As shown, the guide cable section includes a guide cable 41, which rests on one or more blocking cables 31. Figure 14As shown in diagram a, when not bearing the load of the sphere 10, the guide cable 41 forms a "V" shape or a "V" wavy line with multiple "V" shapes connected together, with the apex of the "V" shape being the intersection of the guide cable 41 and the blocking cable 31. Figure 14 As shown in Figure b, when bearing the load of the sphere 10, the guide cable 41 approximately takes the shape of a broken line, and the turning point of the broken line is the overlap point between each of the arresting cables 31 and the guide cable 41. Utilizing the catenary characteristics of the arresting cables 31, the position of the guide cable 41 can be maintained near the lowest point of the catenary.

[0100] The guide cable also includes several ground stakes 45 and two head and tail rods 42, which are used to anchor the two ends of the guide cable 41 when there are no environmental ground features.

[0101] like Figure 16 As shown, the guide cable also includes two head and tail rods and several ground stakes for anchoring the two ends of the guide cable when there are no environmental features. The two ends of the guide cable 41 are loops 46, which are respectively fitted onto the handles 451 of two ground stakes 45. The nail feet 452 of the ground stakes 45 are inserted into the surface soil. The bottom of the head and tail rods 42 is a pointed foot 43, which can be inserted into the surface soil to prevent lodging. The top of the head and tail rods 42 includes a V-groove 44. When suspended, the guide cable 41 rests in the V-groove 44 or is wrapped around the upper part of the head and tail rods 42, which support the guide cable 41 to a certain height. The ball 10 fitted onto the guide cable 41 is designed to be struck, and the ball 10 is pulled along the guide cable throughout its movement without touching any ground attachments. The loop 46 can be easily pulled out from the handle 451 of the ground stake 45 to remove the ball 10 from the guide cable 41 or to insert the ball 10 into the guide cable 41. Multiple balls 10 can be pre-fitted onto the guide cable 41 and temporarily stored between the ground stake 45 and the head and tail rods 42. When the guide cable 41 is lifted from the head and tail rods, the temporarily stored balls 10 can be moved one by one across the head and tail rods 42 and enter the striking state.

[0102] like Figure 16As shown, to facilitate changing the ball 10 or reversing its direction during the shot, the starting point of the guide cable 41 also includes a conversion mechanism 47. This conversion mechanism is a switching device for disconnection-connection, comprising one A end 47A and two B ends 47B. The A end and any or all B ends can be connected and disconnected via a snap-fit ​​mechanism. The guide cable 41 disconnects at the conversion mechanism 47, becoming the main guide cable 411 and the a / b conversion cables 412 and 413, respectively. The main guide cable 411 is connected to the A end of the conversion mechanism 47. The conversion cables 412 and 413 are located between the conversion mechanism 47 and the head and tail rods 42, including conversion cable b1 412 and conversion cable b2 413; the main cable 411 can be connected to any or all of the conversion cables through the conversion mechanism. One end of each conversion cable is tied to the upper part of the head and tail rods 42, or passes through the V-groove 44 of the head and tail rods 42 and is sleeved onto the ground stake 45, and the other end is connected to the B end 47B of the conversion mechanism; of the two conversion cables, one is connected to the main cable 411 through the conversion mechanism, and the other can be suspended for later use.

[0103] When replacing sphere 10, first move sphere 10 from the main guide cable 411 into conversion cable a 412, then slip another sphere onto conversion cable b 413. Then disconnect the main guide cable 411 from conversion cable a 412 and connect it to conversion cable b 413 to complete the sphere replacement. When the sphere needs to be turned around, first move sphere 10 into conversion cable a 412, then disconnect the guide cable 411 from conversion cable a 412 and connect it to conversion cable b 413 as a transition. Then turn the sphere 10 around on conversion cable a 412, then disconnect the main guide cable 411 from conversion cable b 413, and finally connect it back to conversion cable a 412 to complete the turning. Example 1

[0104] like Figure 15 As shown, the barrier cable 31 is pulled out by the spool 34, pulled by the launcher 33, and suspended on suitable branches of two trees on the environmental feature 32, with both ends tied; the guide cable 41 is attached to the barrier cable 31, with both ends tied to the ground nails 45, and supported by the head and tail poles 42 to a certain height to suit the hitting action; the ball 10 is fitted through the guide cable 41, and the stick 20 is used to hit or push the ball 10. Example 2

[0105] like Figure 17 As shown, the deflector is replaced by suitable branches of several trees in the environmental feature 32. The guide cable 41 is suspended on the branches of the environmental feature 32, and both ends are fixed to the ground by ground nails 45. It is supported by the head and tail rods 42 to a certain height to suit the hitting action. The ball 10 is fitted through the guide cable 41, and the stick 20 is used to hit or push the ball 10. Example 3

[0106] like Figure 18 As shown, the barrier cable 31 is pulled out by the spool 34, pulled and suspended on the trunk of the first tree by the throwing device 33, and then thrown across the river, where it is suspended on the branches of the environmental feature 32, with both ends tied to it; the guide cable 41 is also thrown by the throwing device, rests on the barrier cable 31, and is tied to the ground by ground nails 45 at both ends, and is supported by the head and tail poles 42 to a certain height to suit the hitting action; the ball 10 is fitted through the guide cable 41, and the stick 20 is used to hit or push the ball 10. Example 4

[0107] like Figure 19 As shown, the barrier cable 31 is tensioned on the column 60 of the gantry-type frame, and its two ends are tied respectively; the guide cable 41 is also thrown by the throwing device and lies on the barrier cable 31. The two ends of the guide cable are tied to the ground by ground nails 45 and supported by the head and tail poles 42 to a certain height to suit the hitting action; the ball 10 is fitted through the guide cable 41, and the stick 20 is used to hit or push the ball 10. Example 5

[0108] like Figure 20 As shown, one end of the barrier cable 31 is tensioned at point b on the column 60 of the portal frame, and the other end is suspended at point a on a suitable tree branch of the environmental feature 32. Both ends are tied together, with point a higher than point b. The guide cable 41 is thrown by the throwing device, rests on the barrier cable 31, and changes direction at the barrier cable 31. Both ends of the guide cable are secured to the ground by ground stakes 45 and supported at a certain height by head and tail poles 42 to facilitate the striking action; the ball 10 is fitted onto the guide cable 41, and the stick 20 is used to strike or push the ball 10. Example 6

[0109] like Figure 21 As shown, the blocking cable 31 is supported by several single-point support frames 50, the guide cable 41 rests on each blocking cable 31 of the blocking section 50, the two ends of the guide cable are tied to the ground by ground nails 45, and are supported by head and tail rods 42 to a certain height to suit the hitting action; the ball 10 is fitted through the guide cable 41, and the stick 20 is used to hit or push the ball 10.

[0110] In embodiments 1 to 6 above, when the ball 10 is in a stationary state, it is pulled by the guide cable 41 and does not touch the ground or any ground attachments; the cue stick 20 pushes or strikes the ball 10, causing the ball 10 to fly along the guide cable 41; when the ball 10 is in flight, it is constrained by the guide cable 41 and does not touch the ground or any ground attachments, nor does it leave the suspension cable 41. Example 7

[0111] like Figures 22 to 26 As shown, the detachable single-support frame 50 can be constructed as follows: including one Y-shaped three-tube 51, one spare sleeve 55, one ground fork leg 52, two upper insert rods 53, one lower insert rod 54, and one spare insert rod 56. The detachable single-support frame is designed to be disassembled for easy transportation, and has only one contact point, reducing its footprint on the ground. It also allows for expansion of the movement space and increased freedom of swing by extending the frame diagonally. One end of each of the two upper insert rods 53 has a pre-installed stop 531, after which a winding portion 532 for the arresting cable and a bolt 533 for securing the arresting cable are provided. The stop 531 prevents the guide cable 41 of the guide cable from slipping.

[0112] like Figure 22 As shown, the two upper insert rods are divided into one long upper insert rod 535 and one short upper insert rod 536. The long upper insert rod 535 is located on the outer side of the Y-shaped three-cylinder tube. The blocking cable 31 is wrapped around and tied to the winding part 532 and the bolt head 533 of the two upper insert rods to form a roughly horizontal connecting line, and tied to the bolt head 515 of the Y-shaped three-cylinder tube 51 to form the blocking part.

[0113] like Figure 23 As shown, the Y-shaped three-tube 51 includes a main tube 511 and a side tube 512. The outer wall of the main tube 511 is provided with a bolt head 515 for tying the barrier cable 31. The inner cavity of the main tube 511 is provided with a rotating shaft 513. The side tube 512 can rotate along the rotating shaft 513 and form a straight alignment with the main tube 511, changing the Y-shaped three-tube into a straight tube to facilitate storage.

[0114] like Figure 24 As shown, the other end of the upper insertion rod 53 is provided with a groove 534 for inserting into the inner cavity of the upper tube of the main pipe 511 and the inner cavity of the side tube 512, and locking into the crossbar 514 of the inner cavity of the main pipe and the side tube to prevent the two upper insertion rods from rotating; the upper end of the lower insertion rod is also provided with a groove 541 for inserting into the lower tube of the main pipe 511 and locking into the crossbar 513 to prevent the lower insertion rod 54 from rotating.

[0115] like Figure 24 As shown, corresponding to each opening of the Y-shaped three-cylinder tube 51, there are two crossbars 514 in the inner cavity, and the pivot 513 also serves as a crossbar. The purpose of using the Y-shaped three-cylinder tube 51 is to enable the construction of a larger frame using smaller components, facilitating disassembly, transportation, and storage. Where conditions permit, a modular frame can be constructed directly instead of a disassembled single-point frame.

[0116] like Figure 25As shown, the upper part of the ground fork 52 is a bobbin section 521, and the lower part is one or more fork teeth 522; the fork teeth 522 are used to insert into the soil and fix the ground fork 52; the bottom of the inner cavity of the bobbin section 521 is provided with a crossbar 523, and the inner cavity of the bobbin section 521 can also store the spool 525 of the barrier cable. The bobbin section 52 also includes a cover 524, which is used to close the opening of the bobbin section 52 to protect the spool 525 from being lost when stored. The lower end of the lower insertion rod 54 is inserted into the bobbin section 521 of the ground fork, and the lower end of the lower insertion rod is also provided with a groove 541, which is engaged with the crossbar 523 at the bottom of the inner cavity.

[0117] like Figure 26 As shown, the spare sleeve 55 has two horizontal supports 551 along its axial direction. When further height is required, the Y-shaped three-cylinder tube 51 is lifted and separated from the lower insertion rod 54. The two ends of the spare insertion rod 56 are respectively inserted into the lower cavity of the Y-shaped three-cylinder tube 51 and one cavity of the spare sleeve 55. The other cavity of the spare sleeve 55 is then fitted onto the upper end of the lower insertion rod 54. The two ends of the spare insertion rod 56 are provided with grooves 561 for engaging the horizontal supports 551 and 513 in the inserted cavities. The spare assembly provides a variable frame height, increasing the difficulty of movement. Example 8

[0118] like Figure 27 The connection method of the connecting part 70 is shown, including sleeve 71, tenon 72, inner plug 73, buckle 74, bead 75 + eyelet 76, etc.

[0119] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent variations made in accordance with the claims of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A land saving type ball game facility, characterized by, Includes the deflector, guide cable, club, and ball; (1) Bending part The function of the deflector is to support the guide cable of the guide cable, provide obstacles for the movement path of the ball, and provide turning points for the movement path. The deflector includes a blocking cable, the two ends of which are suspended and tied to tree branches or environmental objects at a certain height. In the unloaded state, the blocking cable is in the shape of a catenary between the two suspension points. When the guide cable and the weight of the ball are loaded, the blocking cable is in an approximately V-shape between the two suspension points, with the guide cable resting on the blocking cable and at the bottom of the V-shape. The angle between the line connecting the two ends of the catenary and the horizontal plane is the suspension angle, which is between 0° and 180°. And / or, the barrier portion includes multiple barrier cables, which are arranged sequentially along a certain path and at certain intervals. The path includes straight lines and broken lines, and the horizontal projection angle between any two adjacent barrier cables is less than or equal to 90°. And / or, the deflector also includes a throwing member, which is used to tie one end of the deflector cable and pull the deflector cable together to be thrown around the appropriate branch of the first tree or environmental feature, and continue to pull the deflector cable to the second tree or environmental feature. After being thrown again and pulling the deflector cable around the appropriate branch of the second tree or environmental feature, after the two throws are completed, the two ends of the deflector cable are tied to the environmental feature respectively to form the deflector. And / or, the deflector also includes one or more single-point supports for supporting or replacing the barrier cable in the absence of environmental support features. The single-point supports may be Y-shaped, horn-shaped, T-shaped, or F-shaped. Each single-point support includes a lower foot and an upper barrier frame. The foot is inserted into the surface soil layer. The upper barrier frame may be V-shaped, and the barrier cable is attached to both ends of the V-shaped barrier frame. The upper barrier frame may also be horn-shaped or straight-lined, with stops at both ends of the straight-lined frame. The horn-shaped or straight-lined barrier frames may replace the barrier cable. And / or, the single-point support frame also includes a connecting part, so that the long component of the single-point support frame can be disassembled into a short component, and the turning component can be transformed into a disassembled and combined component, so that the single-point support frame becomes a disassembled and combined type or a foldable type, which is convenient for storage and transportation. And / or, the barrier section further includes one or more sets of portal frame supports, each set of portal frame supports including two columns, the portal frame supports being used as supports for the barrier cable in the absence of environmental features; in use, the two ends of the barrier cable are tied to the upper ends of the two columns, the two columns are vertically erected and form a portal frame structure with the barrier cable; each column also includes a ground-holding cable, one end of the ground-holding cable is tied to the upper end of the column, and the other end is pulled out along two obtuse angle directions with the horizontal projection of the barrier cable as the baseline, and fixed to the ground or environmental features; the ground-holding cable and the barrier cable form a stable "tri-obtuse angle" tension structure with the column as the base point, so that the column remains stable; And / or, each of the columns also includes a connecting part, making the column a detachable assembly component, which facilitates storage and transportation; (2) Guide cable section The guide cable section includes one guide cable, which is flexible and thin, and can change its suspended position by the movement of the ball. The guide cable rests on one or more arresting cables. When not bearing the load of the ball, the guide cable is a "V" shaped suspension line or a "V" shaped wavy line connected by multiple "V" shapes, with the apex of the "V" shape being the overlap point between the guide cable and the arresting cable. When bearing the load of the ball, the guide cable approximately takes the form of a broken line, with the turning point of the broken line being the overlap point between each of the arresting cables and the guide cable, as well as the point where the ball is located. By utilizing the catenary characteristics of the arresting cable, the position of the guide cable can be maintained near the lowest point of the catenary; or part of the guide cable may be located below or to the side of one or more arresting cables. The two ends of the guide cable are attached to environmental features at a certain height, which allows the ball attached to the guide cable to be hit. With the help of the suspension angle of the arresting cable being between 0° and 180°, the guide cable can make a horizontal turn at the arresting cable, thereby adapting to the natural terrain and forming diverse paths. The actual length of the guide cable has redundancy relative to the total length of the broken line connecting the two ends of the guide cable and each of the overlapping points, so that when the sphere in flight crosses the passing barrier cable, the sphere can pull the guide cable away from the passing barrier cable, and the distance away is not less than the size required for the sphere to cross or go around the barrier cable; at the same time, the redundancy will not cause the sphere to touch the ground or ground attachments in any state of being wrapped in the guide cable. And / or, the guide cable section further includes two head and tail rods and several ground stakes for anchoring the two ends of the guide cable when there are no environmental features; the two ends of the guide cable section are loops, which are respectively fitted onto the handles of the two ground stakes, and the stake feet are inserted into the surface soil layer; the bottom of the head and tail rods is pointed, and the insertion depth into the surface soil layer can prevent lodging; the top of the head and tail rods includes a V-shaped groove, and the guide cable, in a suspended state, falls into the V-shaped groove or is wrapped around the upper part of the head and tail rods, and the head and tail rods support the guide cable. The ball is raised to a certain height so that it is suitable for being struck, and the ball is pulled by the guide cable throughout its movement along the guide cable without touching any ground attachments; the loop can be pulled out by the handle of the ground stake to remove the ball from the guide cable, or to insert the ball into the guide cable; multiple balls can be pre-fitted onto the guide cable and temporarily stored between the ground stake and the head and tail rods, and when the guide cable is lifted from the head and tail rods, the balls can be moved one by one through the head and tail rods to enter the striking state; And / or, the starting point of the guide cable also includes a switching mechanism, which is a switching device for disconnecting and connecting and can pass through the inner cavity of the ball. The switching mechanism includes one A end and two B ends. The A end and any or all B ends can be connected and disconnected respectively by a snap-fit ​​method. The guide cable is disconnected at the switching mechanism, becoming a main cable and a switching cable respectively. The main cable is connected to the A end of the switching mechanism. The switching cable is located between the switching mechanism and the head and tail rods, including a b1 switching cable and a b2 switching cable. The main cable can be connected to any or all of the switching cables through the switching mechanism. One end of each switching cable is tied to the upper part of the head and tail rods, or sleeved on the ground stake through the V-groove of the head and tail rods, and the other end is connected to the B end of the switching mechanism. Of the two switching cables, one is connected to the main cable through the switching mechanism, and the other can be suspended for later use. (3) Cue stick The cue stick includes any one or a combination of a straight cue, a forked cue, a hook cue, and a curved cue; the cue stick includes a handle and a head; the straight cue has a straight shaft, and the head of the straight cue may have a flat contact surface; the forked cue includes a V-shaped or U-shaped head; the hook cue includes a hook-shaped head, the hook-shaped head including a small hook and a long finger, the small hook pointing away from the handle, the long finger being a straight shaft coaxial with the handle, or a curved shaft with a certain curvature, and located on the opposite side of the cue stick's main axis from the small hook, the concave side of the curved shaft pointing towards the cue stick's main axis; the curved cue includes a curved head; (4) Sphere The sphere is a Bernoulli tubular body, the inner diameter of which is much larger than the diameter of the guide cable; the longitudinal section of the inner edge of the opening of the Bernoulli tubular body is a convex curve, with the convex section pointing towards the main axis of the tube; the longitudinal section of the inner wall of the Bernoulli tubular body is a convex curve, with the convex section also pointing towards the main axis of the tube; the convex curve of the inner opening and the convex curve of the inner wall smoothly connect to form a structure with a large opening and a small belly; the sphere is fitted onto the guide cable, and the sphere does not detach from the guide cable during gliding or flight; And / or, the longitudinal section of the outer wall of the Bernoulli tubule is a convex curve with the outer opening facing away from the main axis, and the longitudinal section of the waist of the outer wall of the Bernoulli tubule is a concave curve with the concave section pointing towards the main axis; the convex curve of the outer opening and the concave curve of the outer wall are smoothly connected to form a "waist drum" structure that is thick at both ends and thin at the waist. And / or, the sphere includes auxiliary wings, which are symmetrically distributed or arranged in an equal-angled circular array on the outer wall of the Bernoulli tubular body with the longitudinal axis as the axis; or, the auxiliary wings are located on one side of the Bernoulli tubular body, and a counterweight is added to the other side of the Bernoulli tubular body so that when the sphere passes through and is suspended from the guide cable, the auxiliary wings are above the guide cable; the auxiliary wings can be planar wings or curved wings similar to airfoils.

2. A land saving ball game facility as claimed in claim 1, characterized in that The port portion of the Bernoulli tubular body is toothed; and / or, the sidewall of the Bernoulli tubular body has a plurality of pores; and / or, the inner and / or outer sidewalls of the Bernoulli tubular body include a plurality of concave and convex structures; and, any one of the Bernoulli tubular bodies may be equipped with auxiliary wings.

3. A land saving ball game facility as claimed in claim 1, characterized in that The wall structure of the Bernoulli tubule is a lightweight structure, including a lattice structure, a mesh structure, a lattice sheet structure, a multi-layer mesh structure, a hollow or closed structure of a sparse and dense mesh structure; and any of the Bernoulli tubules may have auxiliary wings.

4. A land saving ball game facility as claimed in claim 1, characterized in that The sphere is a tubular body with a uniform cross-section, and auxiliary wings may be added to the sphere.

5. A land-sparing type ball game facility according to claim 1, wherein The sphere is a cylindrical frame, and the sphere may be equipped with auxiliary wings.

6. A land-sparing type ball game facility according to claim 1, wherein The baffle is a suitable tree branch or strip-shaped component.

7. A land saving ball game facility as claimed in claim 1, characterized in that The connecting parts can be connected by methods including sleeves, tenons and mortises, internal inserts, snaps, and beaded joints.

8. A land saving ball game facility as claimed in claim 1, characterized in that The handle has a textured surface to prevent slipping.

9. A land saving ball game facility as claimed in claim 1, characterized in that The cross-section of the cue gradually tapers from the handle to the head.

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