CN212522835U - High jump equipment for teaching - Google Patents

Abstract

The utility model relates to a high jump equipment especially relates to a high jump equipment is used in teaching. The high jump equipment for teaching is high in safety and convenient to carry. A high jump device for teaching comprises a bottom column, a hollow pipe, a scale rod, a first piston, a cylinder body, a second piston, a bolt, a first spring, an air inlet pipe, a reset device, a cross rod, an elastic piece and the like; the left and right sides sill pillar top all is equipped with the hollow tube, and the hollow tube slidable formula is equipped with the scale bar, and the scale bar bottom is equipped with first piston, and two sill pillar outside upper portions all are equipped with the cylinder body. The utility model discloses because the horizontal pole outside is the rubber of usefulness, the jump personnel can alleviate the impact of shank when hitting the horizontal pole, and the protection jump personnel, if the jump personnel is down on the horizontal pole, the horizontal pole can make branch 90 degrees crooked through the second spring, and then lets semi-circular arch and branch break away from, so the horizontal pole just can not cause the damage to the jump personnel, and the ball can help the user to carry this equipment.

Description

High jump equipment for teaching

Technical Field

The utility model relates to a high jump equipment especially relates to a high jump equipment is used in teaching.

Background

High jump is one of the track and field events in track and field sports. The sport is composed of rhythmic running, single-foot jumping, cross-bar landing and other actions, and the game item calculates the score by the height of the cross bar passing over the upper edge of the cross bar. Jumping need use the jumping stand, and traditional jumping stand comprises both sides pole and horizontal pole, and traditional jumping stand is when the people touch the horizontal pole, and the horizontal pole can fall, just stands for the sportsman score invalid, if the sportsman skips the horizontal pole to the horizontal pole does not fall, just stands for the sportsman score effective.

The back-crossing type high jump is a common mode in high jump, but if the back-crossing type high jump mode does not jump over the cross rod, the back of a person can be pressed on the cross rod, and things are arranged below the cross rod to prevent the cross rod from falling down, so that the back-crossing type high jump easily causes injuries to athletes.

Therefore, in the aspect of research and development of the jumping stand, continuous improvement is carried out, for example, patent of patent publication No. CN205683465U discloses a jumping stand for physical education, which comprises two bases, two side bars and a cross bar, wherein the side bars are fixedly mounted on the bases through fasteners, the bases are in a revolving body structure with a light top and a heavy bottom, each side bar is provided with a sliding sleeve in a sliding manner, the sliding sleeve is fixedly mounted with a support plate, the side bars penetrate through the support plate, fastening elements are arranged between the sliding sleeve and the side bars, each support plate is provided with a support arm in a fixed manner, the sliding sleeve and the support arms are eccentrically arranged, and two ends of the cross bar are inserted into the two support arms. The device utilizes the principle of tumbler for the side lever can be along with the student topples over forward, can prevent that the side lever from falling and make the student be injured, but the problem that the horizontal pole exists does not yet obtain the solution.

Therefore, the invention provides a high jump device for teaching to solve the problem that people are easily injured due to the fact that a back-crossing type high jump is pressed on a cross rod.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming that people are easily injured due to the fact that a back-crossing type high jump is pressed on a cross rod, the technical problem is that: the high jump equipment for teaching is high in safety and convenient to carry.

The technical scheme is as follows: a high jump device for teaching comprises bottom posts, hollow pipes, scale rods, first pistons, cylinder bodies, second pistons, bolts, first springs, air inlet pipes, reset devices, cross rods, elastic pieces, second springs, support rods and semicircular bulges, wherein the hollow pipes are arranged at the tops of the left and right bottom posts, the scale rods are arranged in the hollow pipes in an inward sliding mode, the first pistons are arranged at the bottoms of the scale rods, the cylinder bodies are arranged at the upper parts of the outer sides of the two bottom posts, the second pistons are arranged in the cylinder bodies, the centers of the tops of the cylinder bodies are connected with the bolts through threaded holes, the bottom ends of the bolts are in contact with the tops of the second pistons, the first springs are arranged at the left and right sides of the tops of the second pistons, the top ends of the first springs are connected with the tops of the cylinder bodies, air inlet pipes are arranged in the two bottom posts, the top ends of the air inlet pipes are communicated, the cross rod is sleeved with an elastic piece, the right end of the cross rod is connected with a second spring, the right end of the second spring is connected with a supporting rod, the bottom of the supporting rod is provided with a groove, the top of the right scale rod is provided with a semicircular bulge, and the semicircular bulge is matched with the groove.

Furthermore, resetting means is including the fixed pulley, acts as go-between and reel, and open on the scale rod upper portion of left side has the through-hole, and the scale rod upper portion left side of left side is equipped with the fixed pulley, and the hollow tube left side upper portion of left side is equipped with the reel, and the winding is gone up around acting as go-between, acts as go-between the tail end and walks around the fixed pulley, passes the through-hole and is connected with the horizontal pole left end.

Further, including ball, clamp plate and dead lever, all opened first opening about the both sides of both sides bottom of the foundation, the second opening has all been opened to the foundation lower part, has all placed the ball in the first opening, and equal slidingtype is equipped with the clamp plate in the second opening, and the equal rotary type of foundation lower part left and right sides is equipped with the dead lever.

The beneficial effects are that: the utility model discloses because the horizontal pole outside is the rubber of usefulness, the jump personnel can alleviate the impact of shank when hitting the horizontal pole, and the protection jump personnel, if the jump personnel is down on the horizontal pole, the horizontal pole can make branch 90 degrees crooked through the second spring, and then lets semi-circular arch and branch break away from, so the horizontal pole just can not cause the damage to the jump personnel, and the ball can help the user to carry this equipment.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic view of the front view structure of the resetting device of the present invention.

Fig. 3 is a schematic view of a part of the front view structure of the present invention.

Part names and serial numbers in the figure: the device comprises a base pillar 1, a hollow pipe 2, a scale rod 3, a first piston 4, a cylinder 5, a second piston 6, a bolt 7, a first spring 8, an air inlet pipe 9, a threaded hole 10, a cross rod 11, an elastic part 12, a second spring 13, a supporting rod 14, a groove 15, a semicircular bulge 16, a through hole 17, a fixed pulley 18, a pull wire 19, a reel 20, a first opening 21, a second opening 22, a ball 23, a pressing plate 24 and a fixing rod 25.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

Example 1

A high jump device for teaching, as shown in figure 1-2, comprises a bottom pillar 1, a hollow pipe 2, a graduated rod 3, a first piston 4, a cylinder body 5, a second piston 6, a bolt 7, a first spring 8, an air inlet pipe 9, a resetting device, a cross rod 11, an elastic part 12, a second spring 13, a support rod 14 and a semicircular bulge 16, wherein the hollow pipe 2 is arranged at the top of the bottom pillar 1 at the left side and the right side, the graduated rod 3 is arranged in the hollow pipe 2 in a sliding manner, the first piston 4 is arranged at the bottom of the graduated rod 3, the cylinder body 5 is arranged at the upper part of the outer side of the two bottom pillars 1, the bottom pillar 1 is connected with the cylinder body 5 in a bolt connection manner, the second piston 6 is arranged in the cylinder body 5, the center of the top of the cylinder body 5 is connected with the bolt 7 through a threaded hole 10, the bottom end of the bolt 7 is contacted with the top of the second piston 6, the first spring, all be equipped with intake pipe 9 in two foundation columns 1, intake pipe 9 top communicates with each other with hollow tube 2, the intake pipe 9 tail end communicates with each other with cylinder body 5, resetting means is installed at 3 tops of left scale rod, the resetting means right side is connected with horizontal pole 11, the cover has elastic component 12 on the horizontal pole 11, elastic component 12 can be by the sponge, the preparation of materials such as cotton, horizontal pole 11 right-hand member is connected with second spring 13, second spring 13 right-hand member is connected with branch 14, it has recess 15 to open branch 14 bottom, 3 tops of scale rod on the right side are equipped with semi-circular arch 16, semi-circular arch 16 and recess 15 cooperation.

The following detailed description of a further step is made with reference to fig. 1-2, when jumping, an operator can first screw the bolt 7 to rotate forward, so that the bolt 7 moves downward, the bolt 7 moves downward to push the second piston 6 to move downward, the first spring 8 is stretched, the second piston 6 moves downward to squeeze air, the air enters the hollow tube 2 through the air inlet pipe 9, and further pushes the first piston 4 to move upward, the first piston 4 moves upward to drive the graduated rod 3 and the upper device thereof to move upward, so that the height of the cross rod 11 can be adjusted, after the height adjustment of the cross rod 11 is completed, the user stops rotating the bolt 7, when the height of the cross rod 11 needs to be adjusted downward, the operator can rotate the bolt 7 in a reverse direction, the first spring 8 retracts to reset, the second piston 6 is driven to move upward to suck the air in the hollow tube 2 back into the cylinder 5, the first piston 4 is driven to move downwards, so that the scale rod 3 and the upper device thereof move downwards, the cross rod 11 is driven to move downwards, and when the cross rod 11 moves downwards to a required position, the bolt 7 stops being screwed. Then, the high jump can be carried out, when a high jump person jumps, if the high jump person does not jump over the cross rod 11 and collide with the cross rod 11, because the outer side of the cross rod 11 is made of rubber, when the high jump person collides with the cross rod 11, the impact force of legs can be relieved, the high jump person is protected, the cross rod 11 can be collided by the high jump person, the support rod 14 can be separated from the semicircular bulge 16 and then falls on the ground, when the high jump person jumps again, the operator can reset the cross rod 11 through the resetting device, then the support rod 14 is placed on the semicircular bulge 16, the semicircular bulge 16 is embedded into the groove 15, if the high jump person falls down on the cross rod 11, the cross rod 11 can enable the support rod 1490 to be bent through the second spring 13, and then the semicircular bulge 16 is separated from the support rod 14, and therefore the cross rod 11 cannot damage the high jump person.

In order to improve the convenience of the equipment, the resetting device comprises a fixed pulley 18, a stay wire 19 and a reel 20, wherein the upper part of the left scale rod 3 is provided with a through hole 17, the left side of the upper part of the left scale rod 3 is provided with the fixed pulley 18, the upper part of the left side of the left hollow tube 2 is provided with the reel 20, the hollow tube 2 is connected with the reel 20 in a bolt connection mode, the stay wire 19 is wound on the reel 20, the tail end of the stay wire 19 bypasses the fixed pulley 18 and penetrates through the through hole 17 to be connected with the left end of the cross rod 11.

As will be described in detail with reference to fig. 1-2, when the rail 11 is dropped by a jumper, the pull wire 19 is loosened, the rail 11 is dropped on the ground, and the operator can pull the pull wire 19 back by swinging the reel 20, thereby pulling the rail 11 back, and at the same time, the pull wire 19 needs to be paid out through the reel 20 when the rail 11 is raised, and the pull wire 19 needs to be pulled back through the reel 20 when the rail 11 is lowered.

Example 2

As shown in fig. 3, on the basis of embodiment 1, in order to improve the convenience of moving the equipment, the equipment further comprises balls 23, a pressing plate 24 and fixing rods 25, wherein the left and right sides of the bottom of the left and right bottom pillars 1 are respectively provided with a first opening 21, the lower part of the bottom pillar 1 is respectively provided with a second opening 22, the balls 23 are respectively placed in the first openings 21, the pressing plate 24 is respectively arranged in the second openings 22 in a sliding manner, and the fixing rods 25 are respectively arranged in the left and right sides of the lower part of the bottom pillar 1 in a rotating manner.

The following detailed description of a step is made in conjunction with fig. 3, when the device needs to be transported, an operator can push the device through the balls 23, when the device does not need to be transported, the operator can slightly lift the bottom pillar 1 to prevent the bottom pillar 1 from contacting with the ground, and then the fixing rods 25 on the left and right sides are rotated forward by 90 degrees to prevent the fixing rods 25 from fixing the pressing plate 24, and the operator can put down the bottom pillar 1 again, so that the bottom of the bottom pillar 1 can contact with the ground because the pressing plate 24 does not press the balls 23, thereby limiting the movement of the device.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (3)

1. The utility model provides a high jump equipment is used in teaching, including the foundation, the hollow tube, the scale bar, first piston, the cylinder body, the second piston, the bolt, first spring, intake pipe and resetting means, left and right sides foundation top all is equipped with the hollow tube, the hollow tube slidingtype is equipped with the scale bar, the scale bar bottom is equipped with first piston, two foundation outside upper portions all are equipped with the cylinder body, all be equipped with the second piston in the cylinder body, cylinder body top center all is connected with the bolt through the screw hole, bolt bottom and second piston top contact, second piston top left and right sides all is equipped with first spring, first spring top is connected with the top in the cylinder body, all be equipped with the intake pipe in two foundations, the intake pipe top communicates with each other with the hollow tube, the intake pipe tail end communicates with each other with the cylinder body, resetting means is installed: still including horizontal pole, elastic component, second spring, branch and semi-circular arch, the resetting means right side is connected with the horizontal pole, and the cover has the elastic component on the horizontal pole, and the horizontal pole right-hand member is connected with the second spring, and the second spring right-hand member is connected with branch, and open flutedly bottom the branch, the scale bar top in the right side is equipped with semi-circular arch, semi-circular arch and recess cooperation.

2. The high jump apparatus for teaching of claim 1, wherein the resetting means comprises a fixed pulley, a pull wire and a winding wheel, the upper portion of the left scale rod is provided with a through hole, the left side of the upper portion of the left scale rod is provided with the fixed pulley, the left upper portion of the left hollow tube is provided with the winding wheel, the pull wire is wound on the winding wheel, the tail end of the pull wire passes around the fixed pulley and is connected with the left end of the cross rod through the through hole.

3. The high jump apparatus for teaching of claim 2, further comprising a ball, a pressing plate and a fixing rod, wherein the left and right sides of the bottom of the left and right square bottom posts are both provided with a first opening, the lower part of the bottom post is both provided with a second opening, the ball is placed in the first opening, the pressing plate is slidably arranged in the second opening, and the fixing rod is rotatably arranged on the left and right sides of the lower part of the bottom post.

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