CN113144503A

CN113144503A - Springboard for track and field training

Info

Publication number: CN113144503A
Application number: CN202110548830.8A
Authority: CN
Inventors: 苏泽海
Original assignee: Physical Education College of Zhengzhou University
Current assignee: Physical Education College of Zhengzhou University
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-07-23
Anticipated expiration: 2041-05-20
Also published as: CN113144503B

Abstract

The invention discloses a springboard for track and field training, relates to the technical field of track and field training, and solves the problems that the currently used springboard is mainly of a fixed structure, does not have the function of adjusting the elasticity according to needs, and does not have the function of adjusting the angle of the springboard according to needs. A springboard for field training comprises a base and a positioning plate; the middle of the top of the base is integrally provided with a frame, the top of the front end of the frame is rotatably provided with a pedal through hinge connection, the top of the pedal is fixedly provided with a concave-convex plate, a positioning plate is arranged, a quick positioning function which can be conveniently and fixedly embedded on the ground and a removal and disassembly function which can be conveniently and quickly removed are provided, the locking and fixing of the jump board are realized through an inclined structure of an inclined pin, and a fixing function in the transverse, longitudinal and vertical directions is provided for the base; when needing to be dismantled, directly lift up the handle, utilize and turn up the framework and become the lever principle and can pull out the locating plate, can realize quick installation.

Description

Springboard for track and field training

Technical Field

The invention relates to the technical field of track and field training, in particular to a springboard for track and field training.

Background

The physical training of track and field sports is the improvement of the quality aspects of strength, speed, flexibility, sensitivity, endurance and the like of the skills of running, jumping, throwing and the like, a take-off board (also called a jump board) is frequently used in the track and field training process, the take-off board is generally used for assisting in learning take-off, air action and improving the starting ability of students in the teaching training of rapid jump and long jump, and in addition, the jump board can help the students to form stable run-up rhythm in the teaching of rapid jump and long jump, thereby being beneficial to the students to form correct judgment before board and self-regulation ability before board.

Through retrieving for example, patent No. CN212016553U discloses a springboard for track and field training, relates to track and field training technical field, a springboard for track and field training, including two bottom plates, connecting plate, panel, two first springs, two second springs, two bottom plate bottom difference fixedly connected with trapezoidal base, two fixedly connected with one is close to the round bar of first spring between the bottom plate, cup joint the two double-phase a set of restriction rings of a plurality of on the round bar, it is connected with a plurality of rotating blocks that lie in between every group restriction ring to rotate on the round bar. This springboard is used in track and field training sets up trapezoidal base and bottom anti-skidding stripe, can increase area of contact and the frictional force on this springboard is used in track and field training and ground for difficult slip through the cooperation between round bar, turning block, third spring, rectangular block, the rectangle frame, can selectively adjust the resilience force size that the panel received when being stepped on and pressing according to sportsman's demand, thereby make this springboard is used in track and field training suitable for more extensively.

For another example, patent No. CN209575608U discloses a springboard for track and field training, including anti-skidding cushion, rubber tie plate and bracing piece, the bottom at the support base is fixed in the bonding of anti-skidding cushion, the rubber tie plate sets up the upper end at auxiliary base, the one end of bracing piece is connected on the support base, first coupling spring and second coupling spring are all installed in the mounting groove, accomodate the inside one end in groove and install the upset pivot, the bottom groove has been seted up to auxiliary base's bottom, and the last wall in bottom groove is reserved has the locating hole, surface groove has been seted up to auxiliary base's upper surface, rubber tie plate and side board reciprocal anchorage, and the second mounting hole has been seted up on the surface of side board. This springboard is used in track and field training, when the application was in track and field training, can open the back with the auxiliary base upset and use, and can accomodate the support pedestal inside its below through the bottom groove after the auxiliary base upset when not using to be convenient for the device take and save.

However, the springboard that uses at present mainly is the fixed structure, does not possess the function of adjusting the elasticity size as required, does not possess the function of adjusting the springboard angle as required, does not possess the swift locate function that can conveniently fix and inlay and establish on ground, does not possess convenient and fast's pull out dismantlement function, is unfavorable for track and field training, consequently, does not satisfy current demand, to this we have proposed a springboard for track and field training.

Disclosure of Invention

Problem (A)

The invention aims to provide a springboard for track and field training, which aims to solve the problems that the currently used springboard proposed in the background technology is mainly of a fixed structure, does not have the function of adjusting the elasticity according to the requirement, does not have the function of adjusting the angle of the springboard according to the requirement, does not have the quick positioning function of conveniently fixing and embedding the springboard on the ground, and does not have the quick and convenient removal and disassembly function.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a springboard for field training comprises a base and a positioning plate; a frame is integrally arranged in the middle of the top of the base, a pedal is rotatably arranged at the top of the front end of the frame through a hinge, and a concave-convex plate is fixedly arranged at the top of the pedal; three groups of spring guide rods are longitudinally and fixedly arranged in the middle of the frame, a spring plate and a push plate are arranged outside the spring guide rods in a sliding manner, and the push plate is positioned on the rear side of the spring plate; two sides of the top of the base are provided with inclined plane structures; and two groups of dovetail strips are integrally arranged at the bottom of the positioning plate.

Preferably, the base further comprises an L-shaped crutch frame; one end of the rear side of the frame is integrally provided with an L-shaped crutch; a convex plate structure is integrally arranged on one side of the front end of the frame, and a lead screw is rotatably arranged between the convex plate structure and the L-shaped crutch frame; the middle of the L-shaped crutch frame is rotatably provided with a hand rubbing shaft, and the hand rubbing shaft is in transmission connection with a lead screw bevel gear.

Preferably, the base further comprises a containing groove, a reverse lifting frame and a handle; four groups of accommodating grooves are formed in the tops of two sides of the base, a reverse lifting frame is rotatably arranged in the accommodating grooves through hinge connection, and a lifting handle is fixedly arranged at the top of the outer end of the reverse lifting frame; when the bottom of the reverse lifting frame is attached to the accommodating groove, the top of the reverse lifting frame is horizontally consistent with the base.

Preferably, the base further comprises a middle guide hole and an inclined guide hole; two groups of middle guide holes are formed in the tops of two sides of the base, the middle guide holes are located in the center positions of the two groups of accommodating grooves, two groups of oblique guide holes are formed in two sides of each middle guide hole, two adjacent groups of oblique guide holes are centrosymmetric by taking the middle guide hole as a circular point, and the oblique guide holes penetrate through the accommodating grooves to penetrate through the upper side and the lower side of the base; the bottom of the reverse lifting frame is provided with a notch structure communicated with the inclined guide hole.

Preferably, the spring plate further comprises a pull rod and an end side shaft bracket; two groups of pull rods are fixedly arranged at the rear end of the spring plate, and the rear ends of the pull rods penetrate through the frame and are fixedly provided with end side shaft frames; the end side shaft bracket and the rear side bottom of the pedal are rotatably provided with a telescopic connecting rod through hinged connection, and the length of the end side shaft bracket is greater than the maximum length of the telescopic connecting rod.

Preferably, the two ends of the top of the push plate are integrally provided with flange structures, and the middle of the push plate is connected with the spring guide rod and the pull rod in a sliding manner; a spring is sleeved outside the spring guide rod between the spring plate and the push plate; one end integral type of push pedal is provided with the protrusion structure, protrusion structure and lead screw threaded connection.

Preferably, the telescopic connecting rod further comprises a frame rod A, a strip-shaped frame, a frame rod B, a guide rod, a convex block, a screw and an H-shaped spiral ring; the main bodies of the hack lever A and the hack lever B are both in eccentric H-shaped structures, and the hack lever A and the hack lever B are consistent in length; a bar-shaped frame is integrally arranged in the middle of the hack lever A, and two groups of H-shaped spiral rings are transversely arranged in the bar-shaped frame in a sliding manner; a guide rod is arranged between the frame rod B and the two sides of the frame rod A and is in sliding connection with the frame rod B; two groups of convex blocks are integrally arranged in the middle of one side of the hack lever B, two groups of screw rods are fixedly arranged on one side of each convex block, and the screw rods penetrate through the H-shaped spiral ring and are in threaded connection with the H-shaped spiral ring.

Preferably, the positioning plate further comprises a middle pin, a sliding block and an inclined pin; a middle pin is integrally arranged in the middle of the bottom of the positioning plate and penetrates through the middle guide hole to be in sliding connection with the middle guide hole; the outer side of the dovetail strip is provided with a sliding block in a sliding manner, and the bottoms of the sliding blocks are all provided with planes; the bottom integral type of slider is provided with the taper pin, and the taper pin all passes oblique guide hole and oblique guide hole sliding connection.

(III) advantageous effects

The invention provides a springboard for track and field training, which has the advantages that the springboard is provided with a positioning plate, the springboard has the functions of convenient and quick positioning and convenient and quick removal and disassembly, a concave-convex board is treaded, a middle pin penetrates through a middle guide hole, an inclined pin penetrates through an inclined guide hole, then a hammer tool is utilized to knock the positioning plate, the middle pin and the inclined pin are inserted into the ground, the springboard is locked and fixed through the inclined structure of the inclined pin, and the fixing function in the transverse, longitudinal and vertical directions is provided for a base; when needing to be dismantled, directly lift up the handle, utilize and turn up the framework and become the lever principle and can pull out the locating plate, can realize quick installation.

Secondly, the pedal, the end side shaft frame, the pull rod, the spring plate and the spring guide rod form a slider mechanism with rebound capacity, a stable rebound function is provided, an elastic take-off auxiliary effect is achieved, convenience is provided for take-off, meanwhile, the hand rubbing shaft is rotated to drive the lead screw to rotate through the bevel gear, the lead screw drives the push plate to advance through thread transmission, the whole tension force of the take-off plate can be adjusted, and the function of adjusting the elasticity is provided.

Moreover, the setting of telescopic connecting rod provides the function of adjustment take-off board angle, when playing the jump, when needing the adjustment telescopic connecting rod length, rotates two sets of H shape volutes, drives the bar frame through H shape volutes cooperation screw rod and removes, can realize adjusting hack lever A and hack lever B's interval, further adjusts telescopic connecting rod's total length.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic axial side view of an embodiment of the present invention;

FIG. 3 is a schematic bottom view of an embodiment of the present invention;

FIG. 4 is a schematic perspective view of a base according to an embodiment of the present invention;

FIG. 5 is a partial cross-sectional structural schematic view of an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a push plate according to an embodiment of the present invention;

FIG. 7 is a schematic perspective view of a telescopic link according to an embodiment of the present invention;

FIG. 8 is a schematic perspective view of a positioning plate according to an embodiment of the present invention;

in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:

1. a base; 101. a frame; 102. a spring guide rod; 103. an L-shaped crutch frame; 104. a receiving groove; 105. a reverse lifting frame; 106. a handle; 107. a middle guide hole; 108. oblique guide holes; 2. a lead screw; 3. rubbing the shaft by hand; 4. a spring plate; 401. a pull rod; 402. an end side shaft bracket; 5. a pedal; 6. a concavo-convex plate; 7. pushing the plate; 8. a telescopic connecting rod; 801. a frame rod A; 802. a bar frame; 803. a frame rod B; 804. a guide bar; 805. a bump; 806. a screw; 807. an H-shaped spiro ring; 9. positioning a plate; 901. a dovetail strip; 902. a middle pin; 903. a slider; 904. and (4) oblique pins.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 8, an embodiment of the present invention includes: a springboard for track and field training comprises a base 1 and a positioning plate 9; the middle of the top of the base 1 is integrally provided with a frame 101, the top of the front end of the frame 101 is rotatably provided with a pedal 5 through hinge connection, and the top of the pedal 5 is fixedly provided with a concave-convex plate 6; the base 1 also comprises an L-shaped crutch 103; an L-shaped crutch 103 is integrally arranged at one end of the rear side of the frame 101; a convex plate structure is integrally arranged on one side of the front end of the frame 101, and a lead screw 2 is rotatably arranged between the convex plate structure and the L-shaped crutch 103; the middle of the L-shaped crutch 103 is rotatably provided with a hand rubbing shaft 3, and the hand rubbing shaft 3 is in transmission connection with the lead screw 2 through a bevel gear; the base 1 also comprises a containing groove 104, a reverse lifting frame 105 and a lifting handle 106; four groups of accommodating grooves 104 are formed in the tops of two sides of the base 1, a reverse lifting frame 105 is rotatably arranged in the accommodating grooves 104 through hinge connection, and a lifting handle 106 is fixedly arranged at the top of the outer end of the reverse lifting frame 105; when the bottom of the reverse lifting frame 105 is attached to the accommodating groove 104, the top of the reverse lifting frame 105 is horizontally consistent with the base 1; the base 1 further comprises a middle guide hole 107 and an inclined guide hole 108; two groups of middle guide holes 107 are formed in the tops of two sides of the base 1, the middle guide holes 107 are located in the center positions of the two groups of accommodating grooves 104, two groups of oblique guide holes 108 are formed in two sides of the middle guide holes 107, two adjacent groups of oblique guide holes 108 are centrosymmetric by taking the middle guide hole 107 as a dot, and the oblique guide holes 108 penetrate through the accommodating grooves 104 to penetrate through the upper side and the lower side of the base 1; the bottom of the reverse frame 105 is provided with a notch structure communicated with the inclined guide hole 108; three groups of spring guide rods 102 are longitudinally and fixedly arranged in the middle of the frame 101, a spring plate 4 and a push plate 7 are arranged outside the spring guide rods 102 in a sliding manner, and the push plate 7 is positioned on the rear side of the spring plate 4; two sides of the top of the base 1 are provided with inclined plane structures; the spring plate 4 further comprises a pull rod 401 and an end side shaft bracket 402; two groups of pull rods 401 are fixedly arranged at the rear end of the spring plate 4, and the rear end of each pull rod 401 penetrates through the frame 101 to be fixedly provided with an end side shaft frame 402; a telescopic connecting rod 8 is rotatably arranged between the end side shaft bracket 402 and the bottom of the rear side of the pedal 5 through hinged connection, and the length of the end side shaft bracket 402 is greater than the maximum length of the telescopic connecting rod 8; the two ends of the top of the push plate 7 are integrally provided with flange structures, and the middle of the push plate 7 is connected with the spring guide rod 102 and the pull rod 401 in a sliding manner; a spring is sleeved on the outer side of the spring guide rod 102 between the spring plate 4 and the push plate 7; one end of the push plate 7 is integrally provided with a protruding structure, and the protruding structure is in threaded connection with the screw rod 2; two sets of dovetail strips 901 are integrally arranged at the bottom of the positioning plate 9.

Wherein, the telescopic connecting rod 8 further comprises a hack lever A801, a strip-shaped frame 802, a hack lever B803, a guide rod 804, a convex block 805, a screw 806 and an H-shaped spiral ring 807; the main bodies of the hack lever A801 and the hack lever B803 are both in an eccentric H-shaped structure, and the hack lever A801 and the hack lever B803 have the same length; a bar-shaped frame 802 is integrally arranged in the middle of the hack lever A801, and two groups of H-shaped spiral rings 807 are transversely arranged in the bar-shaped frame 802 in a sliding manner; a guide rod 804 is arranged between the hack lever B803 and the two sides of the hack lever A801 to be in sliding connection; two sets of convex blocks 805 are integrally arranged in the middle of one side of the hack lever B803, two sets of screws 806 are fixedly arranged on one side of the convex blocks 805, and the screws 806 penetrate through the H-shaped spiral ring 807 and are in threaded connection with the H-shaped spiral ring 807.

Wherein, the positioning plate 9 further comprises a middle pin 902, a sliding block 903 and an inclined pin 904; the middle of the bottom of the positioning plate 9 is integrally provided with a middle pin 902, and the middle pin 902 passes through the middle guide hole 107 and is slidably connected with the middle guide hole 107; the outer side of the dovetail strip 901 is provided with a sliding block 903 in a sliding manner, and the bottoms of the sliding blocks 903 are both provided with planes; the bottom of the sliding block 903 is integrally provided with oblique pins 904, and the oblique pins 904 are all slidably connected with the oblique guide holes 108 through the oblique guide holes 108.

The working principle is as follows: when the base is used, the base 1 is placed on the ground at a position where a springboard needs to be installed, the concave-convex plate 6 is stepped on, the middle pin 902 penetrates through the middle guide hole 107, the inclined pin 904 penetrates through the inclined guide hole 108, then the positioning plate 9 is knocked by using a hammer tool, the middle pin 902 and the inclined pin 904 are inserted into the ground, the springboard is locked and fixed through the inclined structure of the inclined pin 904, and the fixing function in the transverse, longitudinal and vertical directions is provided for the base 1; when the positioning plate needs to be detached, the handle 106 is directly lifted, and the positioning plate 9 can be pulled out by utilizing the lever principle formed by the reverse lifting frame 105.

When jumping, the concave-convex plate 6 and the pedal 5 are stepped on, the pedal 5, the end side shaft bracket 402, the pull rod 401, the spring plate 4 and the spring guide rod 102 form a slider mechanism with rebounding capacity, a stable rebounding function is provided, an elastic jumping assisting effect is achieved, convenience is provided for jumping, meanwhile, the hand rubbing shaft 3 is rotated to drive the screw rod 2 to rotate through the bevel gear, the screw rod 2 drives the push plate 7 to be pushed forward through thread transmission, and the whole tension force of the jumping plate can be adjusted.

When the length of the telescopic connecting rod 8 needs to be adjusted, the two groups of H-shaped spiral rings 807 are rotated, the H-shaped spiral rings 807 are matched with the screw 806 to drive the strip frame 802 to move, the distance between the hack lever A801 and the hack lever B803 can be adjusted, and the total length of the telescopic connecting rod 8 is further adjusted.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a track and field training is with playing springboard which characterized in that: comprises a base (1) and a positioning plate (9); a frame (101) is integrally arranged in the middle of the top of the base (1), a pedal (5) is rotatably arranged at the top of the front end of the frame (101) through hinge connection, and a concave-convex plate (6) is fixedly arranged at the top of the pedal (5); three groups of spring guide rods (102) are longitudinally and fixedly arranged in the middle of the frame (101), a spring plate (4) and a push plate (7) are arranged outside the spring guide rods (102) in a sliding manner, and the push plate (7) is positioned on the rear side of the spring plate (4); both sides of the top of the base (1) are provided with inclined plane structures; two groups of dovetail strips (901) are integrally arranged at the bottom of the positioning plate (9).

2. The springboard for track and field training of claim 1, wherein: the base (1) also comprises an L-shaped crutch frame (103); an L-shaped crutch frame (103) is integrally arranged at one end of the rear side of the frame (101); a convex plate structure is integrally arranged on one side of the front end of the frame (101), and a lead screw (2) is rotatably arranged between the convex plate structure and the L-shaped crutch frame (103); the hand rubbing shaft (3) is rotatably arranged in the middle of the L-shaped crutch frame (103), and the hand rubbing shaft (3) is in transmission connection with the lead screw (2) through a bevel gear.

3. The springboard for track and field training of claim 1, wherein: the base (1) also comprises a containing groove (104), a reverse lifting frame (105) and a lifting handle (106); four groups of accommodating grooves (104) are formed in the tops of two sides of the base (1), a reverse lifting frame (105) is rotatably arranged in each accommodating groove (104) through hinge connection, and a lifting handle (106) is fixedly arranged at the top of the outer end of each reverse lifting frame (105); when the bottom of the reverse lifting frame (105) is attached to the containing groove (104), the top of the reverse lifting frame (105) is horizontally consistent with the base (1).

4. The springboard for track and field training of claim 1, wherein: the base (1) also comprises a middle guide hole (107) and an inclined guide hole (108); two groups of middle guide holes (107) are formed in the tops of two sides of the base (1), the middle guide holes (107) are located in the center positions of the two groups of accommodating grooves (104), two groups of oblique guide holes (108) are formed in two sides of the middle guide holes (107), two adjacent groups of oblique guide holes (108) are centrosymmetric by taking the middle guide holes (107) as dots, and the oblique guide holes (108) penetrate through the accommodating grooves (104) to penetrate through the upper side and the lower side of the base (1); the bottom of the reverse frame (105) is provided with a notch structure communicated with the inclined guide hole (108).

5. The springboard for track and field training of claim 1, wherein: the spring plate (4) further comprises a pull rod (401) and an end side shaft frame (402); two groups of pull rods (401) are fixedly arranged at the rear end of the spring plate (4), and the rear ends of the pull rods (401) penetrate through the frame (101) and are fixedly provided with end side shaft frames (402); the end side shaft bracket (402) and the rear side bottom of the pedal (5) are rotatably provided with a telescopic connecting rod (8) through hinged connection, and the length of the end side shaft bracket (402) is greater than the maximum length of the telescopic connecting rod (8).

6. The springboard for track and field training of claim 1, wherein: the two ends of the top of the push plate (7) are integrally provided with flange structures, and the middle of the push plate (7) is connected with the spring guide rod (102) and the pull rod (401) in a sliding manner; a spring is sleeved on the outer side of the spring guide rod (102) between the spring plate (4) and the push plate (7); one end of the push plate (7) is integrally provided with a protruding structure, and the protruding structure is in threaded connection with the lead screw (2).

7. The springboard for track and field training of claim 5, wherein: the telescopic connecting rod (8) further comprises a hack lever A (801), a strip-shaped frame (802), a hack lever B (803), a guide rod (804), a convex block (805), a screw (806) and an H-shaped spiral ring (807); the main bodies of the hack lever A (801) and the hack lever B (803) are both in an eccentric H-shaped structure, and the hack lever A (801) and the hack lever B (803) are consistent in length; the middle of the hack lever A (801) is integrally provided with a strip-shaped frame (802), and two groups of H-shaped spiral rings (807) are arranged in the strip-shaped frame (802) in a sliding manner; a guide rod (804) is arranged between the hack lever B (803) and the two sides of the hack lever A (801) and is in sliding connection; two groups of convex blocks (805) are integrally arranged in the middle of one side of the hack lever B (803), two groups of screw rods (806) are fixedly arranged on one side of the convex blocks (805), and the screw rods (806) penetrate through the H-shaped spiral ring (807) to be in threaded connection with the H-shaped spiral ring (807).

8. The springboard for track and field training of claim 1, wherein: the positioning plate (9) further comprises a middle pin (902), a sliding block (903) and an inclined pin (904); a middle pin (902) is integrally arranged in the middle of the bottom of the positioning plate (9), and the middle pin (902) penetrates through the middle guide hole (107) to be in sliding connection with the middle guide hole (107); the outer side of the dovetail strip (901) is provided with a sliding block (903) in a sliding manner, and the bottoms of the sliding blocks (903) are both arranged to be planes; the bottom of the sliding block (903) is integrally provided with an inclined pin (904), and the inclined pins (904) penetrate through the inclined guide holes (108) and are in sliding connection with the inclined guide holes (108).