CN213432750U

CN213432750U - Standing long jump target device

Info

Publication number: CN213432750U
Application number: CN202022473747.2U
Authority: CN
Inventors: 李戈; 吕海峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-15
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to a sport equipment field especially relates to a stand and decide target ware of long jump, for solving present student when standing long jump, soars the action targetedly abstract to the swing arm, causes technical action nonstandard, and difficult correct grasp stands the problem of long jump take-off angle 38 ︒ ~45 ︒, designs a stand and decides target ware of long jump, including unable adjustment base and pull pole subassembly, unable adjustment base includes two sill bars and No. two sill bars, No. two sill bars and No. two sill bars are I shape fixed connection, insert the bottom of pull pole subassembly and locate on No. two sill bars, the pull pole subassembly is connected with the target pole through slider. When in use, the arms of a long jump person form an angle of about 45 degrees towards the target rod, thereby realizing the standardization of long jump actions.

Description

Standing long jump target device

Technical Field

The utility model relates to a sport equipment field especially relates to a standing long jump target ware.

Background

Standing long jump is an important item for testing the physical health standard of primary and secondary schools and is a necessary examination subject for attracting sports examinations in provinces and cities of China. The student tests show that the standing long jump achievement declines year by year, and the jumping ability of students needs to be improved. The teaching practice shows that the existing physical education mainly takes physical quality teaching and simple technical explanation demonstration in standing long jump teaching, and basically no special teaching auxiliary equipment for standing long jump is available. In the learning process, students can make target fuzzy abstraction on the swing arm soaring movement, so that technical movement is diversified, correct standing long jump technical movement is difficult to master, and the working strength of a sports teacher is high and the effect is small.

The existing standing long jump teaching technology mainly aims at teacher action demonstration and oral transmission body teaching, assists a small gymnastics pad and conducts obstacle jump exercise. The teaching method is single, and the auxiliary equipment is flattened. The long jump target device is set up, the rising direction of the swing arm of the student during exercise is determined, and the long jump target device can adapt to students with different degrees to independently exercise by changing the height of the target device. Various novel teaching methods can be developed around the target device, so that the auxiliary equipment is developed from planarization to three-dimensional, diversified and various teaching functions.

Disclosure of Invention

The problem to the above-mentioned existence, the utility model aims at providing a standing long jump target ware can utilize standing long jump target ware, solves middle and primary schools ' sports teaching and sets up long jump technical learning in-process, and the swing arm soaks the link, and the student soaks the unclear problem of target direction to take off angle 38 ︒ ~45 ︒ health, reaches the student of being convenient for and on class, independently study under class, alleviates sports teacher's intensity of labour's purpose.

In order to achieve the above object, the utility model adopts the following technical scheme:

a standing long jump target, characterized in that: including unable adjustment base and pull pole subassembly, unable adjustment base includes two sill bars and a sill bar No. two, two sill bars and No. two sill bars are I shape fixed connection, the bottom of pull pole subassembly is inserted and is located on No. two sill bars, the pull pole subassembly is connected with the target pole through slider.

The pull rod assembly comprises a fixed rod, a movable rod, a fixed sleeve and a pressing sleeve, the fixed rod is a hollow tube, the movable rod is inserted into the fixed rod, the upper end of the fixed rod is provided with the fixed sleeve, the fixed sleeve is of a conical structure provided with first external threads, a plurality of seams are formed in the end with a small diameter, the pressing sleeve is a hollow cylinder, and the inner wall of the pressing sleeve is provided with an internal thread matched with the first external threads.

The sliding device comprises a sliding groove and a sliding block, the sliding groove is a groove formed in the fixing rod, and the sliding block is arranged in the sliding groove in a sliding mode.

Preferably, the sliding block is integrally provided with a threaded rod, and the threaded rod is provided with an external thread.

Preferably, one end of the target rod is provided with an internal thread matched with the external thread of the threaded rod, and the end of the target rod provided with the internal thread is integrally connected with a rubber gasket.

Preferably, the fixed rod is inserted into the second bottom rod and inclines by 6 degrees to one side far away from the target rod.

Preferably, a tape measure box is fixedly arranged on the second bottom rod, and a tape measure opening is formed in the tape measure box.

Preferably, the target rod is a hollow lightweight cylindrical rod made of PVC.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a standing long jump target, the cost of manufacture is low, the technical difficulty is little, the target pole adopts PVC tubular product to make, the security is high;

2. the utility model discloses a standing long jump target device, through setting up the slider, can adjust the target of different height, is fit for each school section above the primary school, the student of different levels practises, has the universality;

3. the vertical rod of the standing long jump target device of the utility model is inclined outwards from the vertical direction, so that the target device is prevented from falling to a long jump practice field, the use safety is improved, and the fear of students to the target device in visual angle is reduced;

4. the utility model discloses a standing long jump target device is fixed to be provided with the tape measure box, can conveniently place the tape measure.

5. The utility model discloses a stand long jump target ware, dead lever and unable adjustment base are provided with the joint setting, have and can dismantle the function.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is an enlarged sectional view of a portion a of fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 1.

Fig. 4 is an enlarged sectional view of a portion B in fig. 1.

Fig. 5 is a side view of the standing long jump of the present invention.

Fig. 6 is a schematic structural view of the fixing rod and the fixing base of the present invention.

Wherein: 1. the novel ruler comprises a movable rod, 101 sliding grooves, 102 sliding blocks, 103 threaded rods, 104 external threads, 2 fixing rods, 3 bottom rods, 4 target rods, 401 rubber gaskets, 5 ruler boxes, 6 ruler openings, 7 bottom rods, 8 students, 9 pin blocks, 10 pin holes, 11 pressing sleeves, 12 seams, 13 first external threads and 14 fixing sleeves.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b):

referring to the attached drawings 1-6, the standing long jump target device comprises a fixed base and a drawing rod assembly, wherein the fixed base comprises two first bottom rods 7 and two second bottom rods 3, the two first bottom rods 2 and the two second bottom rods 3 are fixedly connected in an I shape, the bottom end of the drawing rod assembly is inserted into the two second bottom rods 3, and the drawing rod assembly is connected with a target rod 4 through a sliding device.

In this embodiment, the pull pole subassembly includes dead lever 2, movable rod 1, fixed cover 14 and compresses tightly cover 11, dead lever 2 is the hollow tube, peg graft in dead lever 2 for movable rod 1, the fixed cover 14 that is provided with in upper end of dead lever 2, fixed cover 14 is for being provided with the toper structure of first external screw thread 13, and the little one end of diameter has seted up a plurality of seam 12, it is a hollow cylinder to compress tightly cover 11, and the inner wall be provided with first external screw thread 13 complex internal thread, and when movable rod 1 inserted suitable position in dead lever 2, compress tightly cover 11 through screwing, because fixed cover 14's one end is seted up seamed 12, can compress tightly the laminating with fixed cover 14 tightly with movable rod 1, and then realize that dead lever 2 and movable rod 1 are fixed.

In this embodiment, the sliding device includes a sliding groove 101 and a sliding block 102, the sliding groove 101 is a circular groove formed in the movable rod 1, the circular sliding block 102 is slidably disposed in the sliding groove 101, the diameter of the sliding block 102 is greater than the opening of the movable rod 1, a threaded rod 103 is integrally disposed on the sliding block 102, an external thread 104 is disposed on the threaded rod 103, and an internal thread of the target rod 4 is in cooperative and rotational connection with the external thread 104 of the threaded rod 103 on the sliding block 102.

In this embodiment, the target rod 4 is a cylindrical rod, one end of the cylindrical rod is provided with an internal thread matched with the external thread 104 of the threaded rod 103, one end of the target rod 4 provided with the internal thread is integrally connected with a rubber gasket 401, the target rod 4 is provided with scales, the height of the student can be measured, the height of the target rod 4 can be adjusted, the diameters of the target rod 4 and the rubber gasket 401 are the same, and the diameter of the target rod 4 is the same as the width of the fixed rod 1.

In the embodiment, when in use, the internal thread of the target rod 4 is matched with the external thread 104 of the threaded rod 103 on the sliding block 102 for rotating connection, but the sliding block 102 is not completely screwed for fixing, then the sliding block 102 is slid up and down in the sliding groove 101 of the fixing rod 1 to a proper position according to the height of a long jump person, then the target rod 4 and the sliding block 102 are screwed for clamping on the fixing rod 1, and the target rod 4 and the sliding block 102 can be further tightly fixed on the fixing rod 1 under the action of the rubber washer 401.

In this embodiment, the fixing rod 2 is inserted into the second bottom rod 3 and inclines by 6 degrees to one side far away from the target rod 4, the second bottom rod 3 is provided with a pin hole 10, the bottom of the fixing rod 2 is integrally provided with a pin block 9 matched with the pin hole 10, and the fixing rod 2 and the fixing base can be detachably connected. The slope sets up and can prevent that the target ware from empting to the long jump exercise place, improves the safety in utilization, reduces the student and produces the sense of fear at the vision angle to the target ware, increases target pole 4's length.

In this embodiment, a tape box 5 is fixedly arranged at a connection portion of the fixing rod 1 and the fixing base, a tape opening 6 is formed in the tape box 5, the tape box 5 is a hollow cubic plastic box with an open upper end, the tape box 5 is fixedly connected with the fixing rod 1 and the second bottom rod 3 of the fixing base, and a tape is loaded into the tape box 5 and a tape of the tape is pulled out from the tape opening 6 for measurement.

In this embodiment, the target rod 4 is a hollow lightweight cylindrical rod made of PVC, which can increase stability and safety.

In this embodiment, a target pattern, such as a "smiling face", "school badge" or "five rings of Olympic games" or other markers, can be hung on the target rod 4, so that the fear of a target obstacle in the visual field of a student when jumping far can be reduced, the interest of jumping far can be increased, and the attention and the target performance of the student when jumping far can be improved.

In this embodiment, scales are provided on the fixed rod 2 and the movable rod 1.

The utility model discloses a principle and use flow:

when in use, firstly, the target device is placed at the position where the farthest distance that the student 8 can jump is reduced by 10 cm; then, the height of the target rod 4 on the movable rod 1 is set to be the farthest distance of 8 long jumps of the student, when the farthest distance is larger, the target rod 4 can be fixed, the height of the movable rod 1 is adjusted through the pressing sleeve 11, and the purpose of adjusting the height of the program target rod 4 is achieved; when the maximum height is small, the target rod 4 can be loosened, then the target rod can slide up and down to a proper position in the sliding groove of the movable rod 1, and then the target rod 4 is screwed and fixed; as shown in fig. 5, the long jump person swings his arms toward the target bar 4 of the standing long jump apparatus, the arms of the student 8 make an angle of about 45 ° with the target bar 4, and the student 8 takes off the target bar 4 to complete the standing long jump. When long jump, the student 8 can not form a horizontal line direction with the standing long jump device to prevent accidental injury, but stands at the position deviated from the standing long jump device to take off the long jump with the target rod 4 as the direction of the swing arm. After the use is accomplished, can dismantle target pole 4, withdraw dead lever 2 with movable rod 1 simultaneously in, extract dead lever 2 from No. two sill bars 3, can realize that the split and the transport of standing long jump ware are deposited.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A standing long jump target, characterized in that: the fixing base comprises two first bottom rods (7) and a second bottom rod (3), the two first bottom rods (7) and the second bottom rod (3) are fixedly connected in an I shape, the bottom end of the pull rod assembly is inserted into the second bottom rod (3), and the pull rod assembly is connected with a target rod (4) through a sliding device;

the drawing rod assembly comprises a fixed rod (2), a movable rod (1), a fixed sleeve (14) and a pressing sleeve (11), the fixed rod (2) is a hollow tube, the movable rod (1) is inserted into the fixed rod (2), the fixed sleeve (14) is arranged at the upper end of the fixed rod (2), the fixed sleeve (14) is of a conical structure provided with a first external thread (13), a plurality of seams (12) are formed at one end with a small diameter, the pressing sleeve (11) is a hollow cylinder, and an internal thread matched with the first external thread (13) is formed in the inner wall of the pressing sleeve;

the sliding device comprises a sliding groove (101) and a sliding block (102), the sliding groove (101) is a groove formed in the fixing rod (2), and the sliding block (102) is arranged in the sliding groove (101) in a sliding mode.

2. A standing jump target as defined in claim 1 wherein: a threaded rod (103) is integrally arranged on the sliding block (102), and an external thread (104) is arranged on the threaded rod (103).

3. A standing jump target according to claim 2 wherein: an internal thread matched with the external thread (104) of the threaded rod (103) is formed in one end of the target rod (4), and a rubber gasket (401) is integrally connected to one end, provided with the internal thread, of the target rod (4).

4. A standing jump target as defined in claim 1 wherein: the fixed rod (2) is inserted into the second bottom rod (3) and inclines by 6 degrees to one side far away from the target rod (4).

5. A standing jump target as defined in claim 1 wherein: a tape measure box (5) is fixedly arranged on the second bottom rod (3), and a tape measure opening (6) is formed in the tape measure box (5).

6. A standing jump target as defined in claim 1 wherein: the target rod (4) is a hollow light-weight cylindrical rod made of PVC.