Intelligent javelin throwing trainer

Abstract

The utility model discloses an intelligent javelin throwing trainer. The intelligent javelin throwing trainer comprises a bottom frame; the first supporting mechanism comprises a first driving mechanism, a first guide rod and a first sliding seat, the first driving mechanism drives the first sliding seat to slide along the first guide rod, and the first supporting mechanism is fixedly connected with the bottom frame; the second supporting mechanism comprises a second driving mechanism, a second guide rod and a second sliding seat, the second driving mechanism drives the second sliding seat to slide along the second guide rod, and the second supporting mechanism moves along the bottom frame; the guide rail is obliquely arranged, one end of the guide rail is rotationally connected with the first sliding seat, the other end of the guide rail is rotationally connected with the second sliding seat, the end, close to the first supporting frame, of the guide rail is a tail end, the end, close to the second supporting frame, of the guide rail is an initial end, the tail end is fixedly connected with a radar sensor, and the initial end is fixedly connected with an angle sensor; the throwing mechanism is connected with the guide rail and moves along the guide rail; and a display screen. The adjustment is more flexible.

Description

TECHNICAL FIELD

[0001] The utility model generally relates to the field of fitness equipment, especially to an intelligent javelin throwing training device. BACKGROUND

[0002] Javelin throw is a sport in which an athlete throws a spear-like javelin after a run-up. It is one of the events in the Olympic Games.

[0003] A javelin throwing training device is disclosed in Chinese patent CN109289181A, which comprises a vertical fixed frame body, a slide arranged on the ground and connected with the bottom end of the fixed frame body and perpendicular to the fixed frame body, a slanting slide rail hinged to the top end of the fixed frame body, the other end of the slide rail being hinged to an angle adjusting device arranged above the slide, and a throwing device arranged on the slide rail and used for sliding up and down along the slide rail for the athlete to perform throwing training. The above-mentioned patent can only lift one end of the slide rail to adjust the inclination angle of the slide rail and the throwing device. During the adjustment of the inclination angle of the slide rail and the throwing device, the height of the throwing device will change greatly, and the adjustment is not flexible enough. SUMMARY

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide an intelligent javelin throwing training device with flexible adjustment.

[0005] In the first aspect, the utility model discloses an intelligent javelin throwing training device, which comprises:

[0006] A base frame;

[0007] A first supporting mechanism comprising a first driving mechanism, a first guide rod and a first sliding seat, the first driving mechanism driving the first sliding seat to slide along the first guide rod, and the first supporting mechanism being fixedly connected with the base frame;

[0008] A second supporting mechanism comprising a second driving mechanism, a second guide rod and a second sliding seat, the second driving mechanism driving the second sliding seat to slide along the second guide rod, and the second supporting mechanism moving along the base frame;

[0009] A guide rail is obliquely arranged, one end of the guide rail is rotationally connected with the first sliding seat, the other end of the guide rail is rotationally connected with the second sliding seat, one end of the guide rail close to the first supporting mechanism is a terminal end, one end of the guide rail close to the second supporting mechanism is an initial end, the terminal end is fixedly connected with a radar sensor, and the initial end is fixedly connected with an angle sensor;

[0010] A throwing mechanism is connected with the guide rail and moves along the guide rail;

[0011] A display screen is fixedly connected with the first supporting mechanism, and the radar sensor and the angle sensor are electrically connected with the display screen.

[0012] According to the technical scheme provided by the embodiment of the application, the height of one end of the guide rail is adjusted by the first supporting mechanism, the height of the other end of the guide rail is adjusted by the second supporting mechanism, so that the inclination angle of the throwing mechanism is adjusted, and the height of the throwing mechanism can be prevented from changing greatly, and the adjustment is more flexible. BRIEF DESCRIPTION OF DRAWINGS

[0013] Other characteristics, objects and advantages of the application will become more apparent after reading the following detailed description of non-restrictive embodiments made with reference to the accompanying drawings:

[0014] Figure 1 It is a front view of the intelligent javelin throwing training device of the embodiment of the application;

[0015] Figure 2 It is a perspective view of the intelligent javelin throwing training device of the embodiment of the application;

[0016] Figure 3 It is a front view of the intelligent javelin throwing training device of the embodiment of the application; Figure 2 It is a partial enlarged view of A in the figure;

[0017] Figure 4 It is a front view of the intelligent javelin throwing training device of the embodiment of the application; Figure 2 It is a partial enlarged view of B in the figure;

[0018] Figure 5 It is a perspective view of the intelligent javelin throwing training device of the embodiment of the application;

[0019] Figure 6 It is a front view of the intelligent javelin throwing training device of the embodiment of the application; Figure 5 It is a partial enlarged view of C in the figure;

[0020] Figure 7 It is a front view of the intelligent javelin throwing training device of the embodiment of the application; Figure 5 It is a partial enlarged view of D in the figure. DETAILED DESCRIPTION

[0021] The application will be described in further detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and not limit the utility model. In addition, it should be noted that, for the convenience of description, only the parts related to the utility model are shown in the drawings.

[0022] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and embodiments.

[0023] Please refer to Figures 1 to 7 The intelligent javelin throwing training device comprises a base frame 100, a first supporting mechanism 200, a second supporting mechanism 300, a guide rail 400, a throwing mechanism 500 and a display screen 600. The first supporting mechanism 200 comprises a first driving mechanism 210, a first guide rod 220 and a first sliding seat 230. The first driving mechanism 210 drives the first sliding seat 230 to slide along the first guide rod 220. The first supporting mechanism 200 is fixedly connected with the base frame 100. The second supporting mechanism 300 comprises a second driving mechanism 310, a second guide rod 320 and a second sliding seat 330. The second driving mechanism 310 drives the second sliding seat 330 to slide along the second guide rod 320. The second supporting mechanism 300 moves along the base frame 100. The guide rail 400 is obliquely arranged. One end of the guide rail 400 is rotatably connected with the first sliding seat 230, and the other end of the guide rail 400 is rotatably connected with the second sliding seat 330. The end of the guide rail 400 close to the first supporting mechanism is the terminal end 420, and the end of the guide rail 400 close to the second supporting mechanism 300 is the initial end 410. The terminal end 420 is fixedly connected with a radar sensor 430, and the initial end 410 is fixedly connected with an angle sensor 440. The throwing mechanism 500 is connected with the guide rail 400 and moves along the guide rail 400. The display screen 600 is fixedly connected with the first supporting mechanism 200. The radar sensor 430 and the angle sensor 440 are electrically connected with the display screen 600.

[0024] In the embodiment of the utility model, the base frame 100 is placed on the ground. The first supporting mechanism 200 is fixedly connected with the base frame 100. The second supporting mechanism 300 moves along the base frame 100. One end of the guide rail 400 is rotatably connected with the first sliding seat 230, and the other end of the guide rail 400 is rotatably connected with the second sliding seat 330. The throwing mechanism 500 is connected with the guide rail 400 and moves along the guide rail 400. The first driving mechanism 210 drives the first sliding seat 230 to move. The second driving mechanism 310 drives the second sliding seat 330 to move, thereby driving the second supporting mechanism 300 to move along the base frame 100. The angle of the guide rail 400 and the angle of the throwing mechanism 500 are adjusted, thereby meeting the different training requirements of the user.

[0025] The initial end 410 is provided with an angle sensor 440, which can acquire the inclination angle of the guide rail 400 and transmit the inclination angle of the guide rail 400 to the display screen 600 for the user to view.

[0026] The first driving mechanism 210 drives the first sliding seat 230 to slide along the first guide rod 220, and the first guide rod 220 is arranged to ensure the stability of the movement of the first sliding seat 230.

[0027] When the user performs javelin throwing training, the user holds the throwing mechanism 500 by hand, throws the throwing mechanism 500, and the throwing mechanism 500 moves along the guide rail 400 from the initial end 410 to the terminal end 420.

[0028] The terminal end 420 is fixedly connected with a radar sensor 430, which can acquire the movement frequency and speed of the throwing mechanism 500 and transmit the movement frequency and speed of the throwing mechanism 500 to the display screen 600.

[0029] Please refer to Figure 2 and 4 , further, the throwing mechanism 500 comprises a moving piece 510, a load rod 520 and a handle rod 530, the handle rod 530 is rotationally connected with the moving piece 510, the moving piece 510 is slidably connected with the guide rail 400, and the load rod 520 is detachably fixedly connected with the moving piece 510.

[0030] In the embodiment of the utility model, the moving piece 510 is slidably connected with the guide rail 400, after the user throws the throwing mechanism 500, the moving piece 510 will slide along the guide rail 400.

[0031] The moving piece 510 is connected with the load rod 520, different gravity loads can be connected on the load rod 520, so as to meet different training needs of the user and training needs of different users.

[0032] The throwing mechanism 500 comprises a handle 530, and a user holds the handle 530 to throw the throwing mechanism 500 out, thereby simulating the actual javelin throwing process. The handle 530 is rotationally connected with the moving piece 510, and the handle 530 moves relative to the moving piece 510 in the process that the user holds the handle 530 to throw the throwing mechanism 500 out, thereby simulating the actual javelin throwing process and ensuring the training effect of the intelligent javelin throwing trainer.

[0033] Further, the load rod 520 is arranged at the top of the moving piece 510, and the load rod 520 is sleeved with a plurality of load sheets.

[0034] In the embodiment of the utility model, the load rod 520 is arranged at the top of the moving piece 510, and the load rod 520 is sleeved with a plurality of load sheets, so that the moving piece 510 can support the load sheets, and the stability of the throwing mechanism 500 is improved. The user can perform javelin throwing training by sleeving different numbers of load sheets or load sheets with different weights on the load rod 520 according to training requirements. Of course, anti-disengagement clamps can be arranged on the load rod 520 to prevent the load sheets from disengaging from the load rod 520, thereby ensuring the safety of javelin throwing training. The load adopts the form of load sheets, for example, but not limited to, bell sheets.

[0035] Further, the handle 530 is arranged at the bottom of the moving piece 510.

[0036] In the embodiment of the utility model, the handle 530 is arranged at the bottom of the moving piece 510, so that the user can hold the handle 530 to drive the throwing mechanism 500 to move.

[0037] Further, the guide rail 400 is fixedly connected with dovetail sliding rails 450 on both sides, and the moving piece 510 is fixedly connected with dovetail sliding blocks 511 on opposite sides.

[0038] In the embodiment of the utility model, the dovetail sliding blocks 511 and the dovetail sliding rails 450 are slidably connected, thereby realizing the sliding connection between the moving piece 510 and the guide rail 400, and ensuring the stability and bearing capacity of the sliding connection between the moving piece 510 and the guide rail 400. The guide rail 400 is provided with two dovetail sliding blocks 511, and the moving piece 510 is provided with two dovetail sliding blocks 511. The two groups of dovetail sliding blocks 511 and the dovetail sliding rails 450 are slidably connected, thereby realizing the sliding connection between the moving piece 510 and the guide rail 400, and further improving the stability of the sliding connection between the moving piece 510 and the guide rail 400.

[0039] Please refer to Figures 2 to 4Further, the first supporting mechanism 200 comprises a first fixing frame 240, a first lead screw 250 and a first nut 260, the first guide rod 220 is fixedly connected with the first fixing frame 240, the first fixing frame 240 is fixedly connected with the base frame 100, the first lead screw 250 is rotationally connected with the first fixing frame 240, the first nut 260 is fixedly connected with the first sliding seat 230, the first nut 260 is screwed with the first lead screw 250, the first driving mechanism 210 drives the first lead screw 250 to rotate, the second supporting mechanism 300 comprises a second fixing frame 340, a second lead screw 350 and a second nut 360, the second guide rod 320 is fixedly connected with the second fixing frame 340, the second fixing frame 340 moves along the base frame 100, the second lead screw 350 is rotationally connected with the second fixing frame 340, the second nut 360 is fixedly connected with the second sliding seat 330, the second nut 360 is screwed with the second lead screw 350, the second driving mechanism 310 drives the second lead screw 350 to rotate.

[0040] In the embodiment of the utility model, first lead screw 250 and first nut 260 constitute lead screw nut mechanism, lead screw nut mechanism has the advantages of strong bearing capacity, high precision and high efficiency, drive first lead screw 250 to rotate through first driving mechanism 210, drive first nut 260 to move relative to first lead screw 250, further drive first sliding seat 230 to slide along first guide rod 220, realize the height adjustment of guide rail 400 at first supporting mechanism 200.

[0041] Second lead screw 350 and second nut 360 constitute lead screw nut mechanism, lead screw nut mechanism has the advantages of strong bearing capacity, high precision and high efficiency, drive second lead screw 350 to rotate through second driving mechanism 310, drive second nut 360 to move relative to second lead screw 350, further drive second sliding seat 330 to slide along second guide rod 320, realize the height adjustment of guide rail 400 at second supporting mechanism 300.

[0042] Through the high-precision height adjustment of two lead screw nut mechanisms to the both ends of guide rail 400, the high-precision adjustment of the inclination angle of guide rail 400 is ensured.

[0043] Further, the second fixing frame 340 is rotationally connected with a plurality of rollers, and the plurality of rollers roll on the base frame 100.

[0044] In the embodiment of the utility model, when adjusting the inclination angle of guide rail 400 and throwing mechanism 500, the second fixing frame 340 will move relative to the base frame 100, at this time, the plurality of rollers will roll on the base frame 100, reducing the friction between the second fixing frame 340 and the base frame 100. It can be but not limited to that two rollers are rotationally connected on one side of the second fixing frame 340, and two rollers are rotationally connected on the other side of the second fixing frame 340, ensuring the stability of the rollers supporting the second fixing frame 340.

[0045] Please refer to Figures 5 to 7 Further, the initial end 410 is provided with a first buffer mechanism 700, the first buffer mechanism 700 comprising a first fixed seat 710 and a plurality of first oil pressure buffers 720, the first fixed seat 710 being fixedly connected with the guide rail 400, and the plurality of first oil pressure buffers 720 being respectively connected on the guide rail 400, the first buffer heads 721 of the plurality of first oil pressure buffers 720 facing the throwing mechanism 500, and the end 420 being provided with a second buffer mechanism 800, the second buffer mechanism 800 comprising a second fixed seat 810 and a plurality of second oil pressure buffers 820, the second fixed seat 810 being fixedly connected with the guide rail 400, and the plurality of second oil pressure buffers 820 being respectively connected on the guide rail 400, the second buffer heads 821 of the plurality of second oil pressure buffers 820 facing the throwing mechanism 500.

[0046] In the embodiment of the utility model, when the throwing mechanism 500 falls to the initial end 410, the throwing mechanism 500 will collide with the first buffer mechanism 700, and the first buffer mechanism 700 can buffer the collision of the throwing mechanism 500. The first buffer mechanism 700 comprises a first fixed seat 710 and a plurality of first oil pressure buffers 720, the first fixed seat 710 being used for fixing the plurality of first oil pressure buffers 720, the first buffer heads 721 of the first oil pressure buffers 720 facing the throwing mechanism 500, and the first buffer heads 721 being located on the movement path of the throwing mechanism 500, when the throwing mechanism 500 falls to the initial end 410, the throwing mechanism 500 will contact the first buffer heads 721 and trigger the first oil pressure buffers 720, so that the first buffer mechanism 700 buffers the throwing mechanism 500.

[0047] When the throwing mechanism 500 is thrown to the end 420, the throwing mechanism 500 will collide with the second buffer mechanism 800, and the second buffer mechanism 800 can buffer the collision of the throwing mechanism 500. The second buffer mechanism 800 comprises a second fixed seat 810 and a plurality of second oil pressure buffers 820, the second fixed seat 810 being used for fixing the plurality of second oil pressure buffers 820, the second buffer heads 821 of the second oil pressure buffers 820 facing the throwing mechanism 500, and the second buffer heads 821 being located on the movement path of the throwing mechanism 500, when the throwing mechanism 500 is thrown to the end 420, the throwing mechanism 500 will contact the second buffer heads 821 and trigger the second oil pressure buffers 820, so that the second buffer mechanism 800 buffers the throwing mechanism 500.

[0048] Further, the side of the throwing mechanism 500, facing the first buffer mechanism 700, is provided with a first lug plate 540, the first buffer heads 721 of part of the first oil pressure buffers 720 being located on the movement path of the first lug plate 540,

[0049] The middle part of the throwing mechanism 500 is provided with a second protruding plate 550, and a second buffer head 821 of a part of the second oil buffer 820 is located on a movement path of the second protruding plate 550.

[0050] In the embodiment of the utility model, the gravity center of the throwing mechanism 500 is close to the middle part of the throwing mechanism 500, and the first protruding plate 540 is arranged at the middle part of the throwing mechanism 500. The first protruding plate 540 is protruded from one side surface of the throwing mechanism 500. When the first buffer mechanism 700 buffers the throwing mechanism 500, the first protruding plate 540 first contacts the first buffer head 721 of a part of the first oil buffer 720, the part of the first oil buffer 720 performs primary buffering, the impact force of the throwing mechanism 500 is first reduced, then the first buffer head 721 of the remaining first oil buffer 720 contacts the throwing mechanism 500, and secondary buffering is performed. In the buffering process of the throwing mechanism 500 by the first buffer mechanism 700, the throwing mechanism 500 generates a large torsional force, and the guide rail 400 is damaged. By arranging the first buffer mechanism 700, the impact force of the throwing mechanism 500 can be reduced, and the noise generated in the javelin throwing training process is reduced.

[0051] The gravity center of the throwing mechanism 500 is close to the middle part of the throwing mechanism 500, and the second protruding plate 550 is arranged at the middle part of the throwing mechanism 500. The second protruding plate 550 is protruded from one side surface of the throwing mechanism 500. When the second buffer mechanism 800 buffers the throwing mechanism 500, the second protruding plate 550 first contacts the second buffer head 821 of a part of the second oil buffer 820, the part of the second oil buffer 820 performs primary buffering, the impact force of the throwing mechanism 500 is first reduced, then the second buffer head 821 of the remaining second oil buffer 820 contacts the throwing mechanism 500, and secondary buffering is performed. In the buffering process of the throwing mechanism 500 by the second buffer mechanism 800, the throwing mechanism 500 generates a large torsional force, and the guide rail 400 is damaged. By arranging the second buffer mechanism 800, the impact force of the throwing mechanism 500 can be reduced, and the noise generated in the javelin throwing training process is reduced.

[0052] Please refer to Figure 2 and 5 Further, the guide rail 400 is fixedly connected with a protective net 460, and the protective net 460 is located at the initial end 410.

[0053] In the embodiment of the utility model, when the throwing mechanism 500 falls back to the initial position, because the kinetic energy of the throwing mechanism 500 is big, the first buffer mechanism 700 is used to buffer the throwing mechanism 500, and the throwing mechanism 500 is from faster speed to static. By setting the protective net 460, the user can be separated from the throwing mechanism 500, the user is avoided from being hit by the throwing mechanism 500 in the falling back process, and the safety of javelin throwing training is ensured.

[0054] The above description is only the preferred embodiment of the application and the explanation of the applied technical principles. Those skilled in the art should understand that the utility model range involved in the application is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by the combination of the above technical features or equivalent features without departing from the utility model concept. For example, the technical solutions formed by the mutual replacement of the above features and the technical features disclosed in the application (but not limited to) having similar functions.

Claims

1. An intelligent javelin throwing trainer, characterized in that, The utility model relates to a radar throwing device, including: a chassis; a first supporting mechanism including a first driving mechanism, a first guide rod and a first sliding seat, the first driving mechanism drives the first sliding seat to slide along the first guide rod, and the first supporting mechanism is fixedly connected with the chassis; a second supporting mechanism including a second driving mechanism, a second guide rod and a second sliding seat, the second driving mechanism drives the second sliding seat to slide along the second guide rod, and the second supporting mechanism moves along the chassis; a guide rail, which is obliquely arranged, one end of the guide rail is rotationally connected with the first sliding seat, the other end of the guide rail is rotationally connected with the second sliding seat, the end of the guide rail close to the first supporting frame is the terminal end, the end of the guide rail close to the second supporting mechanism is the initial end, the terminal end is fixedly connected with a radar sensor, and the initial end is fixedly connected with an angle sensor; a throwing mechanism connected with the guide rail and moving along the guide rail; a display screen fixedly connected with the first supporting mechanism, and the radar sensor and the angle sensor are electrically connected with the display screen respectively.

2. The intelligent javelin throwing trainer of claim 1, wherein, The throwing mechanism includes a moving piece, a load rod and a handle rod, the handle rod is rotationally connected with the moving piece, the moving piece is slidingly connected with the guide rail, and the load rod is detachably fixedly connected with the moving piece.

3. The intelligent javelin throwing trainer of claim 2, wherein, The load rod is located at the top of the moving piece, and the load rod is sleeved with a plurality of load sheets.

4. The intelligent javelin throwing trainer of claim 2, wherein, The handle rod is located at the bottom of the moving piece.

5. The intelligent javelin throwing trainer of claim 2, wherein, The guide rail is fixedly connected with dovetail sliding rails on both sides respectively, and the moving piece is fixedly connected with dovetail sliding blocks on opposite sides respectively, one dovetail sliding block slides on one dovetail sliding rail.

6. The intelligent javelin throw trainer of claim 1, wherein, The first supporting mechanism includes a first fixed frame, a first lead screw and a first nut, the first guide rod is fixedly connected with the first fixed frame, the first fixed frame is fixedly connected with the chassis, the first lead screw is rotationally connected with the first fixed frame, the first nut is fixedly connected with the first sliding seat, the first nut is screwed with the first lead screw, and the first driving mechanism drives the first lead screw to rotate. The second supporting mechanism includes a second fixed frame, a second lead screw and a second nut, the second guide rod is fixedly connected with the second fixed frame, the second fixed frame moves along the chassis, the second lead screw is rotationally connected with the second fixed frame, the second nut is fixedly connected with the second sliding seat, the second nut is screwed with the second lead screw, and the second driving mechanism drives the second lead screw to rotate.

7. The intelligent javelin throwing trainer of claim 6, wherein, The second fixed frame is rotationally connected with a plurality of rollers, and the plurality of rollers roll on the chassis respectively.

8. The intelligent javelin throw trainer of claim 1, wherein, The initial end is provided with a first buffer mechanism, the first buffer mechanism includes a first fixed seat and a plurality of first oil pressure buffers, the first fixed seat is fixedly connected with the guide rail, the plurality of first oil pressure buffers are connected on the guide rail respectively, and the first buffer heads of the plurality of first oil pressure buffers face the throwing mechanism, The end is provided with a second buffering mechanism, the second buffering mechanism comprises a second fixed seat and a plurality of second oil pressure buffers, the second fixed seat is fixedly connected with the guide rail, a plurality of second oil pressure buffers are connected on the guide rail respectively, and second buffering heads of the plurality of second oil pressure buffers face the throwing mechanism.

9. The intelligent javelin throw trainer of claim 8, wherein, A first protruding plate is arranged on one side of the middle part of the throwing mechanism and facing the first buffering mechanism, and first buffering heads of part of the first oil pressure buffers are located on a movement path of the first protruding plate, A second protruding plate is arranged on one side of the middle part of the throwing mechanism and facing the second buffering mechanism, and second buffering heads of part of the second oil pressure buffers are located on a movement path of the second protruding plate.

10. The intelligent javelin throw trainer of claim 1, wherein, A protective net is fixedly connected on the guide rail, and the protective net is located at the initial end.

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