A kind of novel hurdles rack
Technical field
The utility model relates to the sports goods field, relates in particular to a kind of novel hurdles rack.
Background technology
Hurdling is a kind of important track events, and technical difficulty is higher.The hurdles rack that uses in teaching process at present all is the firm type structure, and breast board all is that hard wood is made, when the student hurdles at training and competition, after hurdles rack is knocked down, can not automatically hold up, need manually prop up just and can proceed competition and training, and the breast board of hard is easy to cause wound even fracture to the beginner in use, cause a kind of psychological fear to the beginner like this, very unfavorable to the raising of technology, directly affect quality of instruction and sports achievement.Also band phenomenon that folding occurs falling of wooden breast board causes loss economically in addition.Therefore, the hurdles rack of this firm type structure, using wastes time and energy, especially for very inconvenience of teaching and training.
The utility model content
The utility model is for the prior art above shortcomings, novel a kind of novel hurdles rack is provided, breast board on the hurdles rack is the inflatable form of being made by strap, can not hurt the user so in use, and can not cause psychology panic to the user, and supporting seat is connected with spring by rotating shaft with fixed bar, fixed bar spring when toppling over can be withdrawn into fixed bar on the position vertical with supporting seat automatically with the rotating shaft acting in conjunction, and the simultaneously resistance on the fixed bar part that shakes plays the effect of damping.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of novel hurdles rack, comprise supporting seat, breast board, described supporting seat one side is provided with groove, and opposite side is connected with the fixed bar middle part by spring, described fixed bar bottom is connected with supporting seat by rotating shaft, the supporting seat of described fixed bar one side is provided with and hinders the part that shakes, and is provided with extension rod in the described fixed bar, and described fixed bar and described extension rod are bolted, described extension rod is provided with breast board, be provided with inner sleeve in the described breast board, described breast board is provided with air-filled pore, and described air-filled pore is communicated with inner sleeve.
Described breast board is made by strap, and described inner sleeve is made of plastics.
The utility model beneficial effect: reasonable in design is practical, and the novelty that is skillfully constructed is easy to use, be difficult for causing wound to the trainer, can not make the student produce the feared state of mind, improve the enthusiasm in the teaching and training process, can automatically hold up after fixed bar is knocked down, volume is little, and is lightweight.
Description of drawings
Fig. 1 is novel hurdles rack structural representation described in the utility model.
Among the figure:
The 1-groove; The 2-supporting seat; The 3-breast board; The 4-inner sleeve; The 5-air-filled pore; 6-hinders the part that shakes; The 7-spring; The 8-extension rod; The 9-bolt; The 10-fixed bar; The 11-rotating shaft.
The specific embodiment
The below is described in further detail the utility model with embodiment with reference to the accompanying drawings:
As shown in Figure 1, a kind of novel hurdles rack of the present utility model, comprise supporting seat 2, breast board 3, described supporting seat 2 one sides are provided with groove 1, opposite side is connected with fixed bar 10 middle parts by spring 7, spring 7 plays fixed bar 10 is withdrawn into effect with supporting seat 2 upright positions when fixed bar 10 is toppled over, described fixed bar 10 bottoms are connected with supporting seat 2 by rotating shaft 11, under the effect of external force by rotating shaft 11, fixed bar 10 carries extension rod 8 and breast board 3 is poured in the groove 1 of supporting seat 2 together, the supporting seat 2 of described fixed bar 10 1 sides is provided with and hinders the part 6 that shakes, hinder the effect that the part 6 that shakes plays damping, also play the effect of fixing fixed bar 10 positions, prevent that fixed bar 10 from toppling over to a side supporting seat 2 positions that do not have groove 1 under spring 7 effect, be provided with extension rod 8 in the described fixed bar 10, described fixed bar 10 is connected by bolt 9 with described extension rod 8, the design of extension rod 8 has increased the use height change scope of hurdles rack, can be fit to dissimilar students' use exercise, described extension rod 8 is provided with breast board 3, breast board 3 is by inside and outside two-layer design, the outside of described breast board 3 is made by strap, be provided with inner sleeve 4 in the described breast board 3, described inner sleeve 4 is made of plastics, described breast board 3 is provided with air-filled pore 5, air-filled pore 5 is for the effect of inflating to the inner sleeves 4 in the breast board 3, and described air-filled pore 5 is communicated with inner sleeve 4.
During use, inflate for inner sleeve 4 by air-filled pore 5 first, can impart knowledge to students after the inflation or train use, then the different demands according to the student are fixed the position of extension rod 8 in fixed bar 10 by bolt 9, if breast board 3 is owing to the effect of external force is toppled over when student training, at this moment spring 7 can be withdrawn into fixed bar 10 on the original position vertical with support bar with breast board 3 automatically, other students just can directly use like this, need not the work of propping up that the teacher carries out breast board, simple and convenient.