CN208355991U

CN208355991U - A kind of physical education take-off board

Info

Publication number: CN208355991U
Application number: CN201820459670.3U
Authority: CN
Inventors: 孙杏; 杜晓
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-31
Filing date: 2018-03-31
Publication date: 2019-01-11
Anticipated expiration: 2028-03-31

Abstract

The utility model discloses a kind of physical education take-off boards, including pedestal, first rotating shaft is interspersed on the pedestal, rotor plate is rotatably connected in the first rotating shaft, the rotor plate is equipped with anti-skid device away from the side of pedestal, and the rotor plate is equipped with the first spring and second spring close to the side of pedestal, and the upside of the pedestal is equipped with fixed device, the pedestal is connected to one end of second spring by fixed device, is also symmetrically arranged with two the second mounting grooves on the pedestal.The utility model operation is easy, by third spring, worm screw, the first mounting groove, the second mounting groove, first gear, shaft, second gear, the 4th spring, slide bar isostructural interaction take-off board is slided when carrying, when not in use, pulley can be accepted, with regard to time saving and energy saving when carrying take-off board in this way, while avoiding user from being detached from causes user injured.

Description

A kind of physical education take-off board

Technical field

The utility model relates to instructional technology field more particularly to a kind of physical education take-off boards.

Background technique

With the rapid development of world sport campaign, the continuous improvement of competitiveness, judge to emulation drive it is also proposed that New higher requirement.For example, take-off board can be used in the jigging separations project such as long-jump, triple jump, in school physical education The take-off board of teaching is all that user has removed take-off board movement when being moved on place, time-consuming and laborious in this way, simultaneously Also it is easy to cause take-off board to pound player when user takes off power, so that user is injured.

Utility model content

Purpose of the utility model is to solve disadvantage existing in the prior art, as: in Physical Education Teaching Take-off board is all that user has removed take-off board movement when being moved on place, time-consuming and laborious in this way, while also being used Person is easy to cause take-off board to pound player when taking off power, so that user is injured.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of physical education take-off board, including pedestal, are interspersed with first rotating shaft on the pedestal, in the first rotating shaft Be rotatably connected to rotor plate, the rotor plate is equipped with anti-skid device away from the side of pedestal, the rotor plate close to pedestal one Side is equipped with the first spring and second spring, and the upside of the pedestal is equipped with fixed device, and the pedestal passes through fixed device connection Two the second mounting grooves, the two sidewalls pair of second mounting groove are also symmetrically arranged on one end of second spring, the pedestal Title is connected with the first mounting groove, and slide bar is fixedly connected on first mounting groove, slide bar, institute are slidably connected on the slide bar It states and slidably connects lifter plate on slide bar, third spring is also wrapped on the slide bar, one end of the third spring is connected to The side of lifter plate, the other end of the third spring are connected to the upper side wall of the first mounting groove, and the lifter plate deviates from third The side of spring is connected with support sleeve, and the 4th spring, the 4th spring back are connected at the center of the upside of the lifter plate One end from lifter plate is connected on the upper side wall of the second mounting groove, and the lifter plate is embedded with axis away from the side of the 4th spring It holds, supporting leg is rotatably connected at the center of the bearing, the supporting leg is rotatably connected to multiple cunnings away from one end of bearing One end engagement of wheel, the worm screw support sleeve is connected with, and one end of the worm screw is rotatably connected on the side wall of the first mounting groove, The other end of the worm screw passes through the upper side wall of the first mounting groove and extends in pedestal, and is interspersed with first gear, and described the One end engagement of one gear is connected with second gear, is interspersed with the second shaft at the center of the second gear, and described second turn One end of axis is connected with servo motor, and the servo motor is mounted in pedestal.

Preferably, the anti-skid device includes third mounting groove, and pedal, the pedal are connected on the third mounting groove Side be equipped with multiple protrusions.

Preferably, the fixed device includes fixed link, and one end of the fixed link is fixedly connected on pedestal, described solid The other end of fixed pole is fixedly connected with block, and one end solderless wrapped connection of the second spring is in fixed link.

Preferably, support sleeve setting in T shape, the support sleeve are equipped with the gear teeth to match with worm screw.

Preferably, the both ends of the pedestal are bonded with neonychium.

Compared with prior art, the utility model has the beneficial effects that operation is easy, pass through third spring, worm screw, first The isostructural interaction of mounting groove, the second mounting groove, first gear, shaft, second gear, the 4th spring, slide bar is so that rise Springboard carry when can slide, when not in use, pulley can be accepted, in this way carry take-off board when just It is time saving and energy saving, while avoiding user from being detached from causes user injured.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of physical education take-off board positive structure schematic；

Fig. 2 is the partial enlargement structural representation of A in Fig. 1.

In figure: 1 pedestal, 2 pulleys, 3 supporting legs, 4 bearings, 5 first rotating shafts, 6 rotor plates, 7 first springs, 8 anti-skid devices, 9 fixed devices, 10 second springs, 11 lifter plates, 12 support sleeves, 13 third springs, 14 worm screws, 15 first mounting grooves, 16 second Mounting groove, 17 first gears, 18 second shafts, 19 second gears, 20 the 4th springs, 21 slide bars.

Specific embodiment

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.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Referring to Fig.1-2, a kind of physical education take-off board, including pedestal 1, the both ends of pedestal 1 are bonded with neonychium, avoid Pedestal 1 is damaged, first rotating shaft 5 is interspersed on pedestal 1, rotor plate 6 is rotatably connected in first rotating shaft 5, Rotor plate 6 is equipped with anti-skid device 8 away from the side of pedestal 1, and anti-skid device 8 includes third mounting groove, is clamped on third mounting groove There is pedal, the side of pedal is equipped with multiple protrusions and is not easy to skid in sportsman's take-off, avoids transporting by the protrusion on pedal Injury is mobilized, rotor plate 6 is equipped with the first spring 7 and second spring 10 close to the side of pedestal 1, and the upside of pedestal 1, which is equipped with, to be fixed Device 9, fixed device 9 includes fixed link, and one end of fixed link is fixedly connected on pedestal 1, and the other end of fixed link is fixed to be connected It is connected to block, one end solderless wrapped connection of second spring 10 by 10 solderless wrapped connection of second spring in fixed link, is passing through block in fixed link It fixes, spring is avoided to loosen, pedestal 1 passes through one end that fixed device 9 is connected to second spring 10, also symmetrically sets on pedestal 1 There are two the second mounting groove 16, the two sidewalls of the second mounting groove 16 are symmetrically connected with the first mounting groove 15, on the first mounting groove 15 It is fixedly connected with slide bar 21, slide bar 21 is slidably connected on slide bar 21, slidably connects lifter plate 11 on slide bar 21, on slide bar 21 It is also wrapped with third spring 13, one end of third spring 13 is connected to the side of lifter plate 11, and the other end of third spring 13 connects The upper side wall in the first mounting groove 15 is connect, lifter plate 11 is connected with support sleeve 12, lifter plate 11 away from the side of third spring 13 Upside center at be connected with the 4th spring 20, the 4th spring 20 is connected to the second mounting groove away from one end of lifter plate 11 On 16 upper side wall, lifter plate 11 is embedded with bearing 4 away from the side of the 4th spring 20, is rotatably connected at the center of bearing 4 Supporting leg 3, supporting leg 3 are rotatably connected to multiple pulleys 2 away from one end of bearing 4, and one end engagement of support sleeve 12 is connected with snail Bar 14, the setting in T shape of support sleeve 12, support sleeve 12 are equipped with the gear teeth to match with worm screw 14, one end rotation of worm screw 14 It is connected on the side wall of the first mounting groove 15, the other end of worm screw 14 passes through the upper side wall of the first mounting groove 15 and extends to pedestal In 1, and it is interspersed with first gear 17, one end engagement of first gear 17 is connected with second gear 19, the center of second gear 19 Place is interspersed with the second shaft 18, and one end of the second shaft 18 is connected with servo motor, and servo motor is mounted in pedestal 1, pedestal 1 one end is also connected with rope.

In the utility model, when user uses the device, when carrying, servo motor is utilized to drive second gear 19 Rotation, so that worm screw 14 be driven to rotate, then to be engaged with to be connected with support sleeve so that first gear 17 rotates 12 rotations, and moved down along worm screw 14, then under the action of third spring 13 and the 4th spring 20, so that lifter plate 11 move down, and pulley 2 is then allowed to contact ground, so that take-off board can slide, it is easy to remove, it is suitable when being moved to Place rotates backward the second shaft 18.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims

1. a kind of physical education take-off board, including pedestal (1), which is characterized in that be interspersed with first rotating shaft on the pedestal (1) (5), it is rotatably connected to rotor plate (6) on the first rotating shaft (5), the rotor plate (6) is equipped with anti-away from the side of pedestal (1) Sliding device (8), the rotor plate (6) are equipped with the first spring (7) and second spring (10), the bottom close to the side of pedestal (1) The upside of seat (1) is equipped with fixed device (9), and the pedestal (1) passes through fixed device (9) and is connected to the one of second spring (10) It holds, is also symmetrically arranged with two the second mounting grooves (16) on the pedestal (1), the two sidewalls of second mounting groove (16) symmetrically connect It is connected to the first mounting groove (15), is fixedly connected with slide bar (21) on first mounting groove (15), slided on the slide bar (21) It is connected with slide bar (21), is slidably connected lifter plate (11) on the slide bar (21), be also wrapped with third on the slide bar (21) Spring (13), one end of the third spring (13) are connected to the side of lifter plate (11), the third spring (13) it is another End is connected to the upper side wall of the first mounting groove (15), and the lifter plate (11) is connected with support away from the side of third spring (13) It covers (12), the 4th spring (20) is connected at the center of the upside of the lifter plate (11), the 4th spring (20) is away from liter One end of drop plate (11) is connected on the upper side wall of the second mounting groove (16), and the lifter plate (11) is away from the 4th spring (20) Side is embedded with bearing (4), is rotatably connected to supporting leg (3) at the center of the bearing (4), and the supporting leg (3) deviates from axis The one end for holding (4) is rotatably connected to multiple pulleys (2), and one end engagement of the support sleeve (12) is connected with worm screw (14), described One end of worm screw (14) is rotatably connected on the side wall of the first mounting groove (15), and the other end of the worm screw (14) passes through the first peace The upper side wall of tankage (15) simultaneously extends in pedestal (1), and is interspersed with first gear (17), one end of the first gear (17) Engagement is connected with second gear (19), is interspersed with the second shaft (18) at the center of the second gear (19), described second turn One end of axis (18) is connected with servo motor, and the servo motor is mounted in pedestal (1).

2. a kind of physical education take-off board according to claim 1, which is characterized in that the anti-skid device (8) includes Third mounting groove, pedal is connected on the third mounting groove, and the side of the pedal is equipped with multiple protrusions.

3. a kind of physical education take-off board according to claim 1, which is characterized in that the fixed device (9) includes Fixed link, one end of the fixed link are fixedly connected on pedestal (1), and the other end of the fixed link is fixedly connected with block, One end solderless wrapped connection of the second spring (10) is in fixed link.

4. a kind of physical education take-off board according to claim 1, which is characterized in that the support sleeve (12) is in T word Shape setting, the support sleeve (12) are equipped with the gear teeth to match with worm screw (14).

5. a kind of physical education take-off board according to claim 1, which is characterized in that the both ends of the pedestal (1) are viscous It is connected to neonychium.