CN207384770U - net fixing device - Google Patents

Abstract

A kind of net fixing device given by this practicability, including:Net support base；For fixing the net bar of net；It is fixed on net support base to be inserted and fixed the casing of net bar, cannula cavity is in regular prism cavity, and net bar is the regular prism being adapted with cannula cavity.Net fixing device provided by the utility model by the way that net bar is arranged to the regular hexagonal prism structure being adapted with casing, prevents net bar from being rotated in casing, the stability for enhancing net bar simultaneously, reduces the two phase mutual friction, enhances the service life of equipment；Net both ends are solidificated in net bar surface, increase constraint of the net bar to net, enhance the whole stability of net；The silk thread tightened between two net bars is set, reduces the amplitude of fluctuation on net top, while enhances tennis and touches the regularity bounced during net top.

Description

Net fixing device

Technical field

The utility model is related to sports equipments, and in particular to a kind of net fixing device.

Background technology

The existing ball game place for needing net, net are mainly fixed on the ground by the net bar of both sides. In tennis or micro- tennis, the top of net does not use restraint usually, thus its amplitude of fluctuation is larger, is impacted in tennis in ball During online edge, whether tennis, which crosses net, is not easy to differentiate, and player also is difficult to be prejudged in advance according to the stressing conditions of tennis, ball mistake Net and only net are all there are this very big chance component, thus tennis top rocks and relaxes and affects the technology hair of player It waves.

The content of the invention

The net support base that the utility model provides, it is intended to solve the problems, such as that existing net rocking tendency is big.

A kind of net fixing device given by this practicability, including:

Net support base；

Net bar, the net bar are used to fix net；

Casing, for being inserted and fixed net bar, described sleeve pipe is fixed on the net support base described sleeve pipe；The set Tube cavity is in regular prism shape cavity, and the net bar is the regular prism being adapted with described sleeve pipe inner cavity.

The net fixing device, wherein, the net bar bottom be pyramid, described sleeve pipe intracavity bottom be formed with The pyramid hole that the pyramid is adapted.

The net fixing device, wherein, the net bar is regular hexagonal prism body.

The net fixing device, wherein, the pyramid is positive hexagonal pyramid body.

The net fixing device, wherein, described sleeve pipe surface of internal cavity and the net bar surface are frosting.

The net fixing device, wherein, the silk thread for preventing net from waving is equipped between the net bar.

The net fixing device, wherein, the silk thread is steel wire.

The net fixing device, wherein, the net border is structure as a whole with the net bar surface.

Net fixing device provided by the utility model, by the way that net bar is arranged to the regular hexagonal prism knot being adapted with casing Structure prevents net bar from being rotated in casing, and the stability for enhancing net bar simultaneously, reduces the two phase mutual friction, enhances the use of equipment Service life；Net both ends are solidificated in net bar surface, increase constraint of the net bar to net, enhance the whole stability of net；Two The silk thread tightened between root net bar is set, reduces the amplitude of fluctuation on net top, while enhances bullet when tennis touches net top The regularity of jump.

Description of the drawings

Fig. 1 is the structure diagram under net support base unfolded state in the utility model embodiment；

Fig. 2 is the structure diagram under net support base rounding state in the utility model embodiment；

Enlarged drawing at A in Fig. 3 bitmaps 2；

Fig. 4 is the structure diagram of net support base another kind rounding state in the utility model embodiment；

Fig. 5 is the structure diagram of lantern ring in the utility model embodiment；

Fig. 6 is the sectional view of lantern ring in the utility model embodiment；

Fig. 7 is the structure diagram of net bar in the utility model embodiment；

Fig. 8 is the structure diagram of net in the utility model embodiment.

Specific embodiment

The utility model is described in further detail below by specific embodiment combination attached drawing.

The utility model provides a kind of net fixing device, including net support base, as shown in Figures 1 and 2, net support Seat is including at least two pieces of heavy burden bodies 1, casing 2, the lantern ring 3 being arranged on casing 2, the driving lever 4 of connection heavy burden body 1 and lantern ring 3, And connect heavy burden body 1 and the follower lever 5 of 2 bottom of casing.1 facing sleeve of heavy burden body, 2 axis is centrosymmetric distribution, quantity At least two, it can also be more.Casing 2 is used for being inserted and fixed net bar 7 (referring to Fig. 7, Fig. 8), and lantern ring 3 is sleeved on casing 2 simultaneously It can slide axially on its surface, 4 one end of driving lever is hinged with 3 surface of lantern ring, and the other end is hinged with heavy burden body 1.Follower lever 5 one End is hinged with heavy burden body 1, and the other end is hinged with 2 bottom of casing.

Weight body 1 can be solid weight weight, such as iron block can also be hollow container.In the present embodiment, match somebody with somebody Weight body 1 is hollow plastic containers, and outer rim is in arc-shaped, is gradually tapered up close to one end of casing 2, whole that similar axe is presented Shape.The side surface that weight body 1 is contacted with ground is plane, and opposite side is circular arc camber.1 upper surface of heavy burden body is equipped with water filling Mouth 10, the water filling into plastic containers when being used to support seat expansion, so as to play the role of stable casing 2.Heavy burden body 1 is towards casing Active hinged-support 11 and driven hinged-support 12 are respectively equipped on 2 end face, 3 surface of lantern ring is equipped with traction hinged-support 31, casing 2 Bottom is equipped with fixed-hinged support 21.Wherein, active hinged-support 11 is located at driven 12 top of hinged-support, and driving lever 4 and active are hinged Seat 11 connects, and the other end is connected with traction hinged-support 31, so as to fulfill hinged with heavy burden body 1 and lantern ring 3 respectively；Follower lever 5 one End be connected with driven hinged-support 12, the other end is connected with fixed-hinged support 21, it is achieved thereby that respectively with 1 grade of casing 2 of heavy burden body Root is hinged.

As shown in Figures 1 and 2, when lantern ring 3 is moved axially downwards along casing 2, driving lever 11 promotes heavy burden body 1 gradually remote From casing 2, support base gradually trails.When support base is fully deployed, by being arranged on the locking device on lantern ring 3 by lantern ring 3 are fixed on casing 2, in this way, casing 2, driving lever 1 and grade follower lever 12 are formed a stable mechanics triangle.Lead to again The water filling into heavy burden body 1 of water filling port 10 is crossed, heavy burden body 1 has very big weight after filling water, due to 1 facing sleeve 1 of heavy burden body Central axes are centrosymmetric, it is thus possible to ensure that casing 1 will not rock.When needing to pack up support base, first by heavy burden body 1 Interior water is released, and is then unclamped locking device, is moved up lantern ring 3, you can as shown in Figure 2, support base is packed up.In order to Heavy burden body 1 can be drawn close to casing 2 as far as possible when packing up support base, and 1 lower surface of heavy burden body is equipped with to avoid follower lever 5 Clearance position (not shown), can so realize the quickly retracting of support base, and the support base after collapsing occupies volume Very little, it is easy to carry, it brings great convenience to user.

Locking device in the present embodiment is locking nut 6, and specifically as shown in Figures 5 and 6,3 rear surface of lantern ring is equipped with Annular groove 30,6 upper end of locking nut are nested in annular groove 30, thus can be around the central axes rotation of lantern ring 3.Locking nut 6 Lower end is equipped with internal thread 60, and corresponding 2 surface of casing is equipped with the external screw thread 20 (referring to Fig. 3) being adapted with internal thread 60, works as lock When tight nut 6 is screwed on external screw thread 20, driving lever 11 and follower lever 12 are just fully deployed, and realize that shape is unfolded in support base with this Locking under state.

Casing 2 in the present embodiment can need to be arranged to different length, the support of different length casing 2 according to different Seat unfolded state is identical (as shown in Figure 1), and its rounding state difference is as shown in Figures 2 and 4.In wherein Fig. 4, casing 2 Length be less than whole running orbits of lantern ring 3, when the support carriers of the type collapse, it is only necessary to pull set along casing 2 is axial Ring 3, the length of casing 2 have no effect on the retractable operation of support base.

Net bar 7 in the utility model is directly inserted into casing 2, in order to make net bar 7 more stable in casing 2, Net bar 7 is arranged to regular prism, as shown in fig. 7, the net bar 7 in the present embodiment be regular hexagonal prism body, 2 inner space of casing be with Corresponding regular hexagonal prism cavity.2 bottom of casing is equipped with bearing 22, in order to enable net bar 7 is more firm and convenient for net bar 7 It is inserted into casing 2,7 bottom of net bar is equipped with positive hexagonal vertebra body 70, and 22 surface of bearing is formed with to be adapted with positive hexagonal vertebra body 70 Positive hexagonal pyramid hole (not shown).Bearing 22 is in round table-like, and bottom surface is plane, when support base is unfolded, 22 bottom of bearing Portion surface is concordant with 1 bottom surface of weight body, and when support base collapses, 1 outer edge of weight body is collapsed above bearing 22, and support base can Uprightly to be placed by bearing 22, can also fall.In order to increase the frictional force between net bar 7 and casing 2 so that net bar 7 exists It more securely is not easy in casing, 7 outer surface of net bar is disposed as frosting with 2 interior surface of casing.The present embodiment only with The structural relation of net bar 7 and casing 2 is illustrated exemplified by regular hexagonal prism, but is not limited to regular hexagonal prism, can also be positive pentagonal prism, just Quadrangular etc., principle is identical, does not repeat one by one again.The net bearing can be applied to any required stent to set up In the sports of net or railing, such as shuttlecock, high jump etc..

Net in the present embodiment as shown in figure 8,8 both ends of net are fixed on net bar 7, and with 7 integral structures of net bar, So it is convenient for the folding and unfolding of net 8, while enhances net bar 7 and the constraint of net 8 is acted on so that net 8 is more stable.

In tennis, the top of net 8 does not use restraint usually, thus its amplitude of fluctuation is larger, is impacted in tennis In 8 top edge of net, whether tennis 8, which crosses net, is not easy to differentiate, and player also is difficult to be carried out according to the stressing conditions of tennis pre- in advance Sentence, over the net and only net are all there are this very big chance component, thus tennis top rocks and relaxes and affects player's Technology plays.

In order to solve this problem, the silk thread 9 of a tension is connected in the present embodiment between two net bars 7, net 8 is hung over On the silk thread 9.The rocking tendency of 8 upper end of net is reduced by the silk thread 9 tightened, so that whether net excessively is easily pre- for ball Sentence and differentiate.Simultaneously as silk thread 9 is in tensioned state, with certain non-deformability, this allows for tennis and touches ball The spring for more meeting Laws of Mechanics is presented during 8 upper end of net, adds the technology space that can be controlled of player's square stance, reduces Whether the uncertainty of net is crossed.Silk thread 9 can be steel wire or other stretch-prooves, the rope of resistance to deformation.

In the present embodiment, net is 0.8 meter high, 6 meters wide, reduces the height of net so that over the net probability is high, and increase is hit The bout number of ball.

Net support base provided by the utility model, by by heavy burden body be arranged to can water filling plastic containers, both reduced The cost of support base counterweight, it is convenient and practical；Support base is arranged to retractable structure, it, can convenient for fast assembling-disassembling and carrying It is to replace place at any time with flexible transformation position as needed；Clamping support is simple, occupied under rounding state it is small, It is readily transported and stores.By the way that net bar is arranged to the regular hexagonal prism structure being adapted with casing, prevent net bar from turning in casing Dynamic, the stability for enhancing net bar simultaneously, reduces the two phase mutual friction, enhances the service life of equipment；Net both ends are solidificated in Net bar surface increases constraint of the net bar to net, enhances the whole stability of net；The silk tightened is set between two net bars Line, reduces the amplitude of fluctuation on net top, while enhances tennis and touch the regularity bounced during net top

The above content is combine specific embodiment further detailed description of the utility model, it is impossible to assert The specific implementation of the utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field For, on the premise of the present utility model design is not departed from, several simple deduction or replace can also be made.

Claims (8)

1. a kind of net fixing device, which is characterized in that including:

Net support base；

Net bar, the net bar are used to fix net；

Casing, for being inserted and fixed net bar, described sleeve pipe is fixed on the net support base described sleeve pipe；

Described sleeve pipe inner cavity is in regular prism shape cavity, and the net bar is the regular prism being adapted with described sleeve pipe inner cavity.

2. net fixing device as described in claim 1, which is characterized in that the net bar bottom be pyramid, described sleeve pipe Intracavity bottom is formed with the pyramid hole being adapted with the pyramid.

3. net fixing device as claimed in claim 2, which is characterized in that described sleeve pipe surface of internal cavity and the net bar surface It is frosting.

4. net fixing device as described in claim 1, which is characterized in that be equipped with to prevent net from shaking between the net bar The silk thread of pendulum.

5. net fixing device as claimed in claim 4, which is characterized in that the silk thread is steel wire.

6. net fixing device as described in claim 1, which is characterized in that the net border is one with the net bar surface Body structure.

7. net fixing device as described in claim 1, which is characterized in that the net bar is regular hexagonal prism body.

8. net fixing device as claimed in claim 2, which is characterized in that the pyramid is positive hexagonal pyramid body.