CN206535119U - A kind of basketball stands - Google Patents

Abstract

The utility model provides a kind of basketball stands, the basketball stands include base, column and cross beam frame, column, which is included, determines arm and swing arm, the one end for determining arm is fixed on base, one end of swing arm is fixed on cross beam frame, determine arm to be mutually inserted with swing arm, and swing arm can be moved up and down relative to arm is determined, and hydraulic jack A is provided between base and cross beam frame；Swing arm and determine to be provided with retaining mechanism between arm, retaining mechanism includes hydraulic jack B and anchor ear plate, and at least anchor ear plate, which is fixed on, determines on arm, and hydraulic jack B is arranged on one end of anchor ear plate, and the other end of hydraulic jack B driving anchor ear plates is extruded to swing arm.

Description

A kind of basketball stands

Technical field

The utility model belongs to sports equipment field, more particularly to a kind of basketball stands.

Background technology

Basketball is one of deep competitive sport favored by sports enthusiast, in order to meet the need of each age group crowd Will, clear stipulaties have done to basketball stands using height in International Basketball Association：Basketball stands match calibrated altitude adult is 3.05 meters, middle school Raw is 2.80 meters, and pupil is 2.20 meters；In order to realize the height adjustable of basketball stands, way common at present is by basketball stands Forward and backward column is hinged with base so that the forward and backward column of basketball stands swings certain angle relative to base, and then realizes backboard With the regulation of ground level, but it is the problem of exist：After forward and backward column swings certain angle relative to base, it will lead The distance of backboard and pan frontward end is caused to change, and country's match gauged distance of existing backboard and pan frontward end is 3.25 Rice, although the height to basketball stands is adjusted, but can not ensure that the distance of backboard and pan frontward end is maintained at 3.25 meters, In order to solve the above problems, a kind of basketball stands have been claimed in the utility model patent of Application No. 2016208638462, the basket The lifting of transverse arm is mainly driven using hydraulic jack in ball-collecting rack, in this way, hydraulic jack not only needs to bear larger pressure, and And easily occur oil cylinder in its lifting process or in use and the problem of basketball stands are rocked, not only reduce oil cylinder Service life, and cause the use of basketball stands not meet relevant regulations, accordingly, in order to avoid oil cylinder adjustable height is led greatly very much Basketball stands height in the problem of cause rocks more serious, this application file can only be adjusted between 3.05 meters to 2.80 meters； Therefore, in order to avoid hydraulic jack and backboard easily occur rocking during lifting or use and basketball stands height adjustment range is small The problem of, this application provides a kind of new basketball stands.

The content of the invention

The utility model provides a kind of basketball stands, and hydraulic jack and backboard can be not only avoided using the basketball stands in lifting Or during use easily the problem of rock, and also solve the problem of basketball stands height adjustment range is small.

In order to solve the above problems, this application provides a kind of basketball stands, including base (1), column (4) and cross beam frame (3), the column (4) is comprising arm (41) and swing arm (42) is determined, and described one end for determining arm (41) is fixed on base (1), described One end of swing arm (42) is fixed on cross beam frame (3), described to determine arm (41) and be mutually inserted with swing arm (42), and swing arm (42) can phase Moved up and down for determining arm (41), hydraulic jack A (43) is provided between the base (1) and cross beam frame (3)；The swing arm (42) And determine to be provided with retaining mechanism (5) between arm (41), the retaining mechanism (5) includes hydraulic jack B (52) and anchor ear plate (53), extremely Few anchor ear plate (53), which is fixed on, determines on arm (41), and the hydraulic jack B (52) is arranged on one end of anchor ear plate (53), and should The other end of hydraulic jack B (52) driving anchor ear plates (53) is extruded to swing arm (42).

As the preferred scheme of the application, the contact surface that the anchor ear plate (53) mutually extrudes with swing arm (42) is provided with convex (532), the i.e. surface of anchor ear plate (53) and/or swing arm (42) is played to be provided with raised (532).

As the preferred scheme of the application, the anchor ear plate (53) is provided with latch segment with the contact surface that swing arm (42) is extruded (531)。

As the preferred scheme of the application, the anchor ear plate (53) is in lonely shape platy structure and/or trapezoidal straight platy structure.

As the preferred scheme of the application, the swing arm (42) is provided with slide assemblies with determining the contact surface of arm (41), described Slide assemblies include roller or ball (47).

As the preferred scheme of the application, the cross beam frame (3) is provided with height display instrument (6), the height display instrument (6) Comprising digital display screen (61), elevating lever (62) and hollow column (63), the hollow column (63) is fixedly installed, the lifting Bar (62) is arranged in the hollow column (63) and can be with cross beam frame (3) synchronization lifting；Provided with active in the elevating lever (62) Wire (622), the digital display screen (61) is arranged on one end of elevating lever (62) and is connected with the active wire (622), The other end of the elevating lever (62) is connected with by active wire (622) touches head (621), the digital display screen (61), Active wire (622) and touching head (621) are constituted to be indulged in the normal open circuit of digital display screen (61), the hollow column (63) To provided with least two touching switch (631), the elevating lever (62) is arranged in the hollow column (63), and the elevating lever (62) the touching head (621) on can touch with the touching switch (631) and connect the normal open circuit of digital display screen (61)； The base (1) is provided with least one of running gear, directing mechanism or sound broadcasting device.

Compared with prior art, the basketball stands of the application are provided with column and retaining mechanism, and the column bag determines arm and swing arm, When hydraulic jack A is lifted, the inner upright mounting that is made up of swing arm will be driven along rail groove lifting moving, liter of the rail groove to inner upright mounting Motion track limited location and fixation are dropped, inner upright mounting can be avoided to depart from the mutual frame of outer mast, the lock on outer mast is arranged on Tight mechanism in the presence of hydraulic jack B by anchor ear plate will determine arm extruded to swing arm direction, by swing arm and determine arm holding and lock Extremely, it is to avoid backboard the problem of easily being rocked during lifting or use, so, using the basketball stands in the application, no Hydraulic jack and backboard can only be avoided the problem of easily being rocked during lifting or use, and it is high to also solve basketball stands Spend the problem of adjustable range is small.

Brief description of the drawings

Fig. 1 is the main structure diagram for the basketball stands that the utility model embodiment one is provided；

Fig. 2 is a kind of structural representation for elevating mechanism that the utility model embodiment one is provided；

Fig. 3 is structural representations of the Fig. 2 of the offer of the utility model embodiment one along A-A directions；

Fig. 4 is that the latch segment that the utility model embodiment one is provided is arranged on the structural representation for determining arm side；

Fig. 5 is the latch segment that the utility model embodiment one is provided and determines to be equipped with the attachment structure signal of projection on arm Figure；

Fig. 6 is the structural representation that the anchor ear plate that the utility model embodiment one is provided is trapezoidal straight panel shape；

Fig. 7 is the structural representation that the latch segment that the utility model embodiment two is provided is arranged on swing arm side；

Fig. 8 is the attachment structure between elevating mechanism when the anchor ear plate that the utility model embodiment three is provided is arc Schematic diagram；

Fig. 9 be the utility model example IV provide determine between arm and swing arm be provided with ball structural representation；

Figure 10 is the structural representation for elevating mechanism of the swing arm provided with rail groove that the utility model embodiment five is provided；

Figure 11 is structural representations of the Figure 10 of the offer of the utility model embodiment five along B-B directions；

Figure 12 is the structural representation that the elevating mechanism both sides that the utility model embodiment six is provided are provided with fixed mount；

Figure 13 is the structural representation for the height display instrument that the utility model embodiment seven is provided；

Figure 14 is the circuit theory diagrams for the height display instrument that the utility model embodiment seven is provided；

Figure 15 is the chassis interior structural representation that the utility model embodiment eight is provided；

Figure 16 is another chassis interior structural representation that the utility model embodiment nine is provided.

Reference

Base 1, deflecting roller 10, road wheel 11, push rod 12 turns to wheel carrier 13, cross bar 14, sychronisation 15, hydraulic means A16, Triangular Arm B17, support frame B18, support frame A19, axle 1-1, motor 1-2, differential mechanism 1-3, transmission device 1-4, turn to hand Handle 1-5, is inclined to arrow 1-6, wireless remote control receiving device 1-7, hydraulic means B1-8, hydraulic means C1-9, Triangular Arm A1-10, Hydraulic control box 1-11, electric cabinet 1-12, cross beam frame 3, crossbeam arm 31, backboard 32, column 4 determine arm 41, rail groove 411, through hole 412, Swing arm 42, hydraulic jack A43 determines roller 44, moves roller 45, support frame 46, ball 47, retaining mechanism 5, square groove 51, connecting plate 511, hydraulic jack B52, anchor ear plate 53, latch segment 531, projection 532, height display instrument 6, digital display screen 61, elevating lever 62, Touching first 621, wire 622, hollow column 63, touching switch 631, fixed mount 7；

K1-K6 is touching switch, and D1-D6 is escape way board.

Embodiment

For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with accompanying drawing to this The embodiment of utility model is described in detail.

Embodiment 1：

A kind of basketball stands are present embodiments provided, referring to Fig. 1, the basketball stands include base 1, column 4 and cross beam frame 3, institute State and hydraulic jack A43 is provided between base 1 and cross beam frame 3, the cross beam frame 3 is provided with backboard 32.

The column 4 determines arm 41 and at least two Hes of swing arm 42 comprising at least two, referring to Fig. 2, the height of the swing arm 42 Degree is less than or equal to the height for determining arm 41, and the present embodiment is preferably provided with two and determines arm 41 and two swing arms 42, described to determine arm 41 One end be fixed on the base 1 and form outer mast, the inner side for determining arm 41 is provided with rail groove 411, the swing arm 42 It is plugged in the rail groove 411 and is formd in inner upright mounting, the present embodiment by slide assemblies, the slide assemblies is roller, institute The structure for stating inner upright mounting is included：The roller is arranged in rail groove 411, determines arm 41 and swing arm 42 is set up in parallel；Or roller and Swing arm 42 is arranged in the rail groove 411 for determining arm 41；Larger cause to shift or deform, this reality in order to avoid swing arm 42 is stressed Apply the preferred roller of example and swing arm 42 is arranged in rail groove 411,411 pairs of the rail groove swing arm 42 has fixed and limited Position effect.

In the present embodiment, the roller is comprising determine roller 44 and dynamic roller 45, wherein determining described in roller 44 is fixedly installed on In the rail groove 411 for determining the upper end of arm 41, the dynamic roller 45 is arranged on the lower end of the swing arm 42, and the dynamic roller 45 is embedded in In the rail groove 411 for determining arm 41, and the dynamic idle rod 42 of roller 45 can be sliding in the rail groove 411 for determining the movement of arm 41 Dynamic, the dynamic roller 45 changes with determining the lifting of the distance between roller 44 idle rod 42, utilizes the dynamic roller 45 and fixed rolling Swing arm 42 can be not only fixed in the rail groove 411 for determining arm 41 by wheel 44, can also further avoid swing arm 42 in the mistake of lifting Cheng Zhongyu determines arm 41 and departed from.

Certainly, the roller also can be only comprising at least two dynamic rollers 45 as needed, and the dynamic roller 45 is arranged at The lower end of the swing arm 42, and be embedded in the rail groove 411 for determining arm 41, the dynamic equal idle rod 42 of roller 45 is described fixed Lifting moving in the rail groove 411 of arm 41, the eustasy of the distance between the dynamic roller 45 not idle rod 42 is dynamic using this Swing arm 42 can be stably fixed to determine in the rail groove 411 of arm 41 by roller 45.

The top of the inner upright mounting is fixed with support frame 46, and this is fixedly installed in being welding or being spirally connected or rivet Any, the cross beam frame 3 is fixed on the top of support frame 4, and one end of the hydraulic jack A43 is fixed on the base 1, The other end is connected with support frame as described above 46.

In order to further reinforce swing arm 42, preferably determining to be provided with retaining mechanism 5, the lock between arm 41 and swing arm 42 Tight mechanism 5 includes at least one hydraulic jack B52 and at least two anchor ear plates 53, and the middle part of the preferred anchor ear plate 53 of the present embodiment is cut with scissors It is connected on and determines on arm 41, and the anchor ear plate 53 is arranged on hydraulic jack B52 two ends, in the presence of hydraulic jack B52, described armful The deformation of plate 53 is bound round to extrude determining arm 41, because swing arm 42 is arranged on by roller in the rail groove 411 for determining arm 41, because This, when both sides are determined with the progress opposing compression of arm 41, also there is certain extruding and locking to act on swing arm 42, can so be avoided Swing arm 42 rocks and glided.

In the present embodiment, preferably described hydraulic jack B52 and anchor ear plate 53 are each attached to and determined on arm 41, and the hydraulic oil Cylinder B52 is supported by being fixed on the reinforced frame determined on arm 41, and the anchor ear plate 53 is separately positioned on hydraulic jack B52 two ends, And can be contacted when hydraulic jack B52 extends with the anchor ear plate 53 of both sides.

Or

Determine it is preferred that only having anchor ear plate 53 and being fixed on arm 41, the anchor ear plate 53 at hydraulic jack B52 and two ends is hinged or welded, Hydraulic jack B52 is fixed on by anchor ear plate 53 and determined on arm 41.

Or

It is preferred that retaining mechanism 5 also includes square groove 51, anchor ear plate 53, which is fixed on, to be determined on arm 41, and one end weldering of the anchor ear plate 53 The both sides for connecing or being hinged on square groove 51 form " mountain " shape structure, and the hydraulic jack B52 is arranged in square groove 51, and the hydraulic oil Cylinder B52 two ends can be contacted with the anchor ear plate 53 respectively, i.e., be fixed on hydraulic jack B52 by square groove 51 and determine on arm 41.

In the present embodiment, preferably retaining mechanism includes square groove 51, hydraulic jack B52 and anchor ear plate 53, square groove 51 and anchor ear Plate 53, which is screwed onto, to be constituted the both sides of outer mast and determines on arm 41, and one end of anchor ear plate 53 is respectively welded at the both sides of square groove 51, separately One end is respectively with determining arm 41 relatively or contacting, and hydraulic jack B52 is placed in square groove 51, referring to Fig. 3.

In order to there is more preferable locking to act on to swing arm 42, the present embodiment is provided with latch segment 531 preferably on anchor ear plate 53, should Latch segment 531 is arranged on the end of anchor ear plate 53 and determines arm 41 relatively with described, the latch segment in the presence of hydraulic jack B52 531 can determine arm 41 and contact and extrude determining arm 41 with described, and then swing arm 42 is locked, referring to Fig. 4.

In order that latch segment 531 is preferably contacted with determining arm 41, i.e., in order to avoid solid latch segment 531 and determine between arm 41 Abrasion in order to avoid latch segment 531 and determine slip between arm 41, preferably latch segment 531 and determines the surface of arm 41 and is equipped with projection 532, the projection 532 can be in close contact with determining arm 41, referring to Fig. 5.

In the present embodiment, the anchor ear plate 53 is in the lonely trapezoidal platy structure of shape or trapezoidal straight platy structure, and the present embodiment is excellent Trapezoidal straight platy structure is elected as, referring to Fig. 6.

In use, starting, hydraulic jack A43 tops are lifted or dilatory inner upright mounting is lifted relative to outer mast along rail groove 411 and slided Dynamic, when inner upright mounting is lifted to required height, hydraulic jack A43 is stopped, now, starts hydraulic jack B52, passes through hydraulic pressure While oil cylinder B52 causes the deformation of anchor ear plate 53 at the two ends of square groove 51 to extrude determining arm 41, swing arm 42 is locked.

To sum up analysis is understood, uses the basketball stands in the present embodiment, it is to avoid hydraulic jack A43 and basketball stands in lifting or Easily there is the phenomenon rocked during use, simultaneously as solving hydraulic jack A43 and basketball stands is lifting or using process In the phenomenon easily rocked, therefore, the larger range of liftings of hydraulic jack A43 can be achieved, that is, realize basketball stands height adjustment range Extension.

In the present embodiment, in order to avoid easily there is oil return phenomenon in use in hydraulic jack A43 and/or hydraulic jack B52, It is preferred that locked in hydraulic jack A43 and hydraulic jack B52 hydraulic circuit provided with oil pressure, can be by hydraulic jack using oil pressure lock A43 or hydraulic jack B52 are locked in a certain position, it is to avoid oil cylinder oil return phenomenon is occurred by gravity or pressure effect.

Meanwhile, in the present embodiment, in order that the hydraulic jack A43 liftings in front and rear column are synchronous, preferably front and rear vertical Balanced valve is respectively equipped with the hydraulic jack A43 of post.

In the present embodiment, the hydraulic jack A43 and/or hydraulic jack B52 are started by motor.

In the present embodiment, described to determine arm 41 and swing arm 42 be iron and steel material quality, described to determine arm 41 and swing arm 42 is both preferably Channel-section steel structure, certainly, or the structure such as square steel.

Embodiment 2：

Compared with Example 1, difference in this case is that, in order to which directly swing arm 42 is extruded and locked, preferably Through hole 412 is provided with arm 41 is determined, latch segment 531 is arranged on the side of swing arm 42 by the through hole 412, in hydraulic jack B52 In the presence of directly swing arm 42 can be extruded and locked, referring to Fig. 7.

In the present embodiment, projection 532 is preferably equipped with the contact surface of latch segment 531 and swing arm 42.

Embodiment 3：

Compared with embodiment 1 or 2, difference in this case is that, in order to strengthen the extruding dynamics of anchor ear plate 53, preferably institute The curved platy structure of anchor ear plate 53 is stated, is connect to increase contact surface, preferably anchor ear plate 53 is the trapezoidal platy structure of arc.

The anchor ear plate 53 of the arc platy structure is provided with latch segment 531, and the latch segment 531 is preferably across determining on arm 41 Through hole 412 can directly be contacted with the swing arm 42, in this way, directly swing arm 42 can be extruded and locked.

In the present embodiment, preferably described to determine arm 41 for channel-section steel structure, the eastern ripple 42 is channel-section steel structure, referring to Fig. 8.

Embodiment 4：

Compared with embodiment 1,2 or 3, difference in this case is that, between the swing arm 42 and the rail groove 411 or Described to determine to be provided with slide assemblies between arm 41 and the rail groove 411, the slide assemblies are ball 47, can be dropped by the ball 47 The low force of sliding friction determined between arm 41 and swing arm 42, referring to Fig. 9.

Embodiment 5：

Compared with embodiment 1,2,3 or 4, difference in this case is that, the swing arm 42 is arranged on the side for determining arm 41 Form in inner upright mounting, the present embodiment, depending on the relative position with determining the setting of arm 41 of swing arm 42 is according to actual conditions, preferred swing arm 42 are arranged on the inner side for determining arm 41, and the outside of the swing arm 42 is provided with rail groove 411, described to determine arm 41 and be arranged on this by roller In rail groove 411, the swing arm 42 is determined arm 41 and moved up and down by the interaction of rail groove 411 and roller relative to described, Referring to Figure 10-11.

Embodiment 6：

Compared with embodiment 1,2,3,4 or 5, difference in this case is that, in order to increase elevating mechanism stability and Aesthetics, is preferably provided with fixed mount 7 in the both sides of elevating mechanism, and the fixed mount 7 constitutes stable triangle knot with elevating mechanism Structure, referring to Figure 12.

Embodiment 7：

Compared with embodiment 1,2,3,4,5 or 6, difference in this case is that, in order to which basketball stands present level is real-time Reality, user-friendly, the present embodiment devises a kind of height display instrument 6, and the height display instrument 6 is arranged on backboard Rear end, it is included in digital display screen 61, elevating lever 62 and hollow column 63, the present embodiment, and the digital display screen 61 is preferred Constituted for multiple escape way boards, be carved with the escape way board in different height numbers, the present embodiment, be preferably provided with six Escape way board D1-D6, height number can be randomly provided between 2.05 meters to 3.05 meters.

The hollow column 63 is fixedly installed, and the elevating lever 62 is arranged in the hollow column 63 and can be with cross beam frame 3 Synchronization lifting；Be provided with wire 622 in the elevating lever 62, the digital display screen 61 be arranged on one end of elevating lever 62 and with institute State wire 622 to connect, the other end of the elevating lever 62 is connected with touching first 621, the digital display screen by wire 622 61st, wire 622 and touching first 621 are constituted in the normal open circuit of digital display screen 61, the hollow column 63 longitudinally provided with extremely In few two touching switch 631, the present embodiment, the setting number of touching switch 631 can be set according to demand, and each touching is opened 631 one escape way board of correspondence are closed, the present embodiment is preferably provided with touching switch K1-K6, and the elevating lever 62 is arranged on the sky In heart column 63, and touching first 621 on the elevating lever 62 can be touched with the touching switch 631 and by digital display screen 61 Normal open circuit is connected, after normal open circuit is connected, and an escape way board for constituting digital display screen 61 is lit, and is now shown Corresponding present level numerical value, referring to Figure 13-14.

Embodiment 8：

Compared with embodiment 1,2,3,4,5,6 or 7, difference in this case is that, basketball stands are moved for convenience, it is described Base 1 is provided with running gear, referring to Figure 15, and the running gear includes at least two deflecting rollers 10, two road wheels 11, push rods 12 and drive device, deflecting roller 10 is located on steering wheel carrier 13, is turned to wheel carrier 13 and is located on cross bar 14 and turns between wheel carrier 13 Provided with sychronisation 15, cross bar 14, which is provided with, is fixed on hydraulic means A16 on base 1, and the two ends end of cross bar 14 is respectively with one An individual Triangular Arm B17 triangular in shape angle is hinged, Triangular Arm B17 another angle and the support being fixed on base 1 Frame 46B18 is hinged, and the 3rd angle and one end of push rod 12 are hinged；Above-mentioned road wheel 11 is located at the other end of base 1, road wheel 11 It is hinged with an a Triangular Arm A1-10 triangular in shape angle, Triangular Arm A1-10 another angle is with being fixed on base 1 On support frame 46A19 be hinged, the 3rd angle and the other end of push rod 12 are hinged, between above-mentioned road wheel 11 be provided with axle 1-1.

Above-mentioned drive device is made up of motor 1-2 and differential mechanism 1-3, is connected by transmission device 1-4 with axle 1-1.

Direction of travel identification can be carried out by directing mechanism when walking.

Further, wheel carrier 13 is turned in the present embodiment be provided with steering tiller 1-5 and hydraulic means A16 one kind or two Combination is planted, above-mentioned hydraulic means A16 one end is fixed on base 1, the other end is fixed on steering wheel carrier 13.

Further, above-mentioned base 1 is provided with directing mechanism in the present embodiment, and the directing mechanism can be：It is located at and turns The deviation arrow 1-6 or infrared transmitting device of base 1 are stretched out on to wheel carrier 13.

Embodiment 9：

Compared with Example 8, difference in this case is that, receive dress provided with wireless remote control emitter and wireless remote control 1-7 is put, is worked by remote-control hydraulic device A16, hydraulic means B1-8 and hydraulic means C1-9, realizes the motion of base 1, referring to Figure 16.

Embodiment 10：

Compared with any of the above embodiment, difference in this case is that, operate for the convenience of the users, the present embodiment is excellent Base 1 or column 4 is selected to be provided with voice alarming device, the voice alarming device is used to informing its operation journey now of user Sequence, for example, inform its present operation sequence of user be move ahead, retreat, turning left, turning right, semi-girder, drop arm, drop wheel, stretch wheel, Locking or unblock etc., in this way, whether the operation that user can be made to learn that it is done is reasonable.

Above content is to combine specific embodiment further detailed description of the utility model, it is impossible to assert Specific implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field For, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be considered as category In protection domain of the present utility model.

Claims (10)

1. a kind of basketball stands, including base (1), cross beam frame (3) and column (4), it is characterised in that：The column (4) is comprising fixed Arm (41) and swing arm (42), described one end for determining arm (41) are fixed on base (1), and one end of the swing arm (42) is fixed on horizontal stroke It is described to determine arm (41) and be mutually inserted with swing arm (42) on roof beam structure (3), and swing arm (42) can be moved up and down relative to arm (41) is determined, Hydraulic jack A (43) is provided between the base (1) and cross beam frame (3)；The swing arm (42) and determine between arm (41) provided with lock Tight mechanism (5), the retaining mechanism (5) includes hydraulic jack B (52) and anchor ear plate (53), and at least described anchor ear plate (53) is fixed On arm (41) is determined, the hydraulic jack B (52) is arranged on one end of anchor ear plate (53), and hydraulic jack B (52) drivings are embraced The other end for binding round plate (53) is extruded to swing arm (42).

2. basketball stands as claimed in claim 1, it is characterised in that：The anchor ear plate (53) and connecing that swing arm (42) is mutually extruded Contacting surface is provided with raised (532), the i.e. surface of anchor ear plate (53) and/or swing arm (42) and is provided with raised (532).

3. basketball stands as claimed in claim 1 or 2, it is characterised in that：The anchor ear plate (53) and connecing that swing arm (42) is extruded Contacting surface is provided with latch segment (531).

4. basketball stands as claimed in claim 1 or 2, it is characterised in that：The anchor ear plate (53) be in lonely shape platy structure and/or Trapezoidal straight platy structure.

5. basketball stands as claimed in claim 3, it is characterised in that：The anchor ear plate (53) is in lonely shape platy structure and/or ladder The straight platy structure of shape.

6. basketball stands as claimed in claim 1 or 2, it is characterised in that：The swing arm (42) sets with determining the contact surface of arm (41) There are slide assemblies, the slide assemblies include roller or ball (47).

7. basketball stands as claimed in claim 3, it is characterised in that：The swing arm (42) is with determining the contact surface of arm (41) provided with cunning Dynamic component, the slide assemblies include roller or ball (47).

8. basketball stands as claimed in claim 4, it is characterised in that：The swing arm (42) is with determining the contact surface of arm (41) provided with cunning Dynamic component, the slide assemblies include roller or ball (47).

9. basketball stands as claimed in claim 5, it is characterised in that：The swing arm (42) is with determining the contact surface of arm (41) provided with cunning Dynamic component, the slide assemblies include roller or ball (47).

10. basketball stands as claimed in claim 1 or 2, it is characterised in that：The cross beam frame (3) is provided with height display instrument (6), the height display instrument (6) includes digital display screen (61), elevating lever (62) and hollow column (63), the hollow column (63) it is fixedly installed, the elevating lever (62) is arranged in the hollow column (63) and can be with cross beam frame (3) synchronization lifting；It is described Be provided with active wire (622) in elevating lever (62), the digital display screen (61) be arranged on one end of elevating lever (62) and with institute Active wire (622) connection is stated, the other end of the elevating lever (62) is connected with touching head (621) by active wire (622), The digital display screen (61), active wire (622) and touching head (621) constitute the normal open circuit of digital display screen (61), At least two touching switch (631) are longitudinally provided with the hollow column (63), it is hollow vertical that the elevating lever (62) is arranged on this In post (63), and touching head (621) on the elevating lever (62) can be touched with the touching switch (631) and by digital display screen (61) normal open circuit is connected；The base (1) is provided with least one in running gear, directing mechanism or sound broadcasting device Kind.