A kind of physical education hurdles rack convenient for adjusting
The utility model relates to physical education appliance technology, specially a kind of physical education convenient for adjusting is with hurdling
Physical education is the purposeful and organized course of education worked out a scheme by one with curricular standard progress.Physical education
It is participated in jointly by Faculty and Students, task is that sports knowledge, technology and technical ability are taught to student, enhances its constitution, cultivates it
Morals, will, quality etc..It is the citation form that school physical education realizes, is one of practicable ways of sports purpose, physical education
Although have existed since ancient times, only just grown rapidly under the conditions of modern society.Since nearly half a century, using micro- power technology as core
The information technology of the heart rapidly develops, the utilization of a collection of high-tech, new technology, new material, new energy and bioengineering, just people
Class pushes the information-intensive society of so-called " third wave " to from industrial society.This basic change makes social productive forces accelerated development,
On the one hand work and life tempo increase brings more welfares and conveniently to the mankind, increase the spare time, living condition and
Life style substantially improves, and quality of life is continuously improved；On the other hand, due to mechanization, electrification, automation and intelligent journey
The raising of degree, work and life environmental stress, it is various to human health bring harm it is increasingly apparent, at this time just need using across
Column frame carries out physical education, increases physical training.
Currently, across obstacle is the mankind in long-term production and the life basic with one kind formed in struggling naturally
Technical ability living is the basic skills by across obstacle, has evolved, hurdle campaign can as track-and-field hurdle race
So that body is effectively taken exercise, increase body immunity, but existing physical education hurdles rack is in the mistake used
Cheng Zhong, due to being not easy to that height is adjusted, so as to cause the use of unsuitable different crowd.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of physical education hurdles rack convenient for adjusting, solution
Existing physical education hurdles rack determined during use, due to being not easy to that height is adjusted, so as to cause discomfort
Close the problem of different crowd uses.
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of sport convenient for adjusting
Hurdle frame for teaching, including support base, the lower surface of the support base are welded with support plate, and the upper surface of the support base opens up
Have a fluting, the front inside wall of the fluting is welded with shaft, and the surface of the shaft is socketed with movable cylinder, the activity cylinder it is upper
Surface is welded with the first column body, and the left and right sides surface of first column body is welded with the first spring, and two the first springs are remote
One end from the first column body is welded with the upper surface of support plate, and first column body is overlapped with second far from one end of movable cylinder
Column body, the top of first column body offer lifting groove, and the internal activity of the lifting groove is connected with movable block, the activity
The upper surface of block is welded with connecting rod.The bottom end of the one end of the connecting rod far from movable block and the second column body is welded, and described the
Shifting chute is offered on the left of two column bodies, the right side inner wall of the shifting chute offers slot, the left side weldering of first column body
It is connected to fixed link, the jack being connected with right side is offered on the left of the fixed link, the inside of the jack is plugged with bolt.
The bolt is welded with baffle far from one end of jack, is welded with fixture block on the right side of the baffle, the surface of the fixture block and inserts
The inside of slot is clamped.
Further, the lower surface of the movable block is welded with second spring, the second spring far from movable block one
End and the inner bottom wall of lifting groove are welded.
Further, the surface of the bolt is socketed with third spring, the left end of the third spring and the right side of fixed link
Side welding, the left side welding of the third spring one end and baffle far from fixed link.
Further, the left end of the bolt is welded with pull ring, and the shape of the pull ring is semicircle.
Further, the upper surface of the support plate offers the threaded hole being connected with lower surface, the threaded hole
Internal whorl is connected with threaded rod.
Further, the right side of the fixed link and the left side of the second column body overlap.
It 1, should be convenient for the physical education hurdles rack of adjusting, by mutual between second spring, movable block and connecting rod
Cooperation reaches elastic force by second spring and pushes, consequently facilitating the height of column frame is adjusted, by fixed link, bolt,
Mutual cooperation between third spring, baffle and fixture block reaches the contraction using third spring, consequently facilitating fixture block is driven to be caught in
The position of second column body is fixed for the inside of slot, solves existing physical education hurdles rack in the process used
In, due to being not easy to the problem of height is adjusted, uses so as to cause unsuitable different crowd.
2, benefit should be reached by the first spring of the first column body two sides setting convenient for the physical education hurdles rack adjusted
Pass through setting inside threaded hole with the elastic force of the first spring so as to restore original state in time when column frame is toppled over
Threaded rod, reach and be screwed into underground by threaded rod, thus increase column frame use when fastness.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is partial structurtes enlarged drawing at A in the utility model Fig. 1.
Wherein, 1 support base, 2 support plates, 3 flutings, 4 movable cylinders, 5 shafts, 6 first springs, 7 threaded rods, 8 threaded holes, 9
First column body, 10 second springs, 11 movable blocks, 12 lifting grooves, 13 connecting rods, 14 second column bodies, 15 fixed links, 16 shifting chutes,
17 jacks, 18 third springs, 19 baffles, 20 slots, 21 fixture blocks, 22 bolts, 23 pull rings.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-2, the utility model embodiment provides a kind of physical education hurdles rack convenient for adjusting, including branch
Seat 1 is supportted, the lower surface of support base 1 is welded with support plate 2, and the upper surface of support plate 2 offers the screw thread being connected with lower surface
Hole 8, the internal whorl of threaded hole 8 are connected with threaded rod 7, and the upper surface of support base 1 offers fluting 3, slot 3 front inside wall
It is welded with shaft 5, the surface of shaft 5 is socketed with movable cylinder 4, and the upper surface of movable cylinder 4 is welded with the first column body 9, the first column body 9
Left and right sides surface be welded with the first spring 6, two one end of the first spring 6 far from the first column body 9 with support plate 2
Upper surface welding, the first column body 9 are overlapped with the second column body 14 far from one end of movable cylinder 4, and the top of the first column body 9 offers liter
Slot 12 drops, and the internal activity of lifting groove 12 is connected with movable block 11, and the lower surface of movable block 11 is welded with second spring 10, and second
The inner bottom wall of the one end of spring 10 far from movable block 11 and lifting groove 12 is welded.The upper surface of movable block 11 is welded with connecting rod
13, the bottom end welding of the one end of connecting rod 13 far from movable block 11 and the second column body 14, the left side of the second column body 14 offers shifting
Dynamic slot 16, the right side inner wall of shifting chute 16 offer slot 20, and support plate 2 is placed and ground, is then screwed down threaded rod 7
It is dynamic, so that threaded rod 7 turns and be screwed into underground downwards by threaded hole 8, at this time when column frame height is adjusted, can will draw
Ring 23 pulls to the left, and pull ring 23 will drive bolt 22 and be moved to the left and baffle 19 be driven to be moved to the left when pulling to the left, baffle 19
Third spring 18 can be squeezed when being moved to the left, second spring 10 discharges elastic force and pushes up movable block 11 at this time, living
Motion block 11 will drive connecting rod 13 and move up when being pushed, connecting rod 13 will drive when moving up the second column body 14 to
Upper movement, thus convenient for the height of column frame to be adjusted, the left side of the first column body 9 is welded with fixed link 15, fixed link 15
Right side and the left side of the second column body 14 overlap, and the left side of fixed link 15 offers the jack 17 being connected with right side, jack 17
Inside is plugged with bolt 22, and the surface of bolt 22 is socketed with third spring 18, the left end of third spring 18 and the right side of fixed link 15
The left side of side welding, the one end of third spring 18 far from fixed link 15 and baffle 19 is welded, and the left end of bolt 22 is welded with pull ring
23, the shape of pull ring 23 is semicircle, and bolt 22 is welded with baffle 19 far from one end of jack 17, and the right side of baffle 19 is welded with
Fixture block 21, the surface of fixture block 21 and the inside of slot 20 are clamped, when the height of the second column body 14 reaches proper height, by pull ring
23 decontrol, and 1 third spring 8 will do it contraction and drive baffle 19 to the right, and baffle 19 will drive fixture block 21 and be caught in when moving right
The inside of slot 20 is fixed so as to the second column body 14 after regulating.
Working principle: in use, first placing support plate 2 and ground, then threaded rod 7 is turned downwards, so that screw thread
Bar 7 turns and is screwed into underground downwards by threaded hole 8, can be by pull ring 23 to Zola at this time when column frame height is adjusted
Dynamic, pull ring 23 will drive bolt 22 and be moved to the left and baffle 19 be driven to be moved to the left when pulling to the left, when baffle 19 is moved to the left
Third spring 18 can be squeezed, second spring 10 discharges elastic force and pushes up movable block 11 at this time, movable block 11 by
It will drive connecting rod 13 when promotion to move up, connecting rod 13 will drive the second column body 14 and move up when moving up,
When the height of two column bodies 14 reaches proper height, pull ring 23 is decontroled, 1 third spring 8 will do it contraction and drive baffle 19 to
The right side, baffle 19 will drive the inside that fixture block 21 is caught in slot 20 when moving right；In hurdle campaign, once drive column frame to topple over
When, the first spring 6 will receive extruding, and after people ran column frame, the first spring 6 can make column frame restore former using the elastic force of itself
Carry out state.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.