Track and field training induction timer with infrared ray induction function

Abstract

The track and field training induction timer with the infrared ray induction function comprises a timing mechanism, an induction head is arranged on the upper side of the front end of the timing mechanism, a plurality of function buttons are arranged at the upper end of the timing mechanism, and solar assemblies are rotationally connected to the lower sides of the left end and the right end of the timing mechanism through limiting rotating bases; the center of the lower end of the timing mechanism is fixedly connected with a telescopic rod, the lower end of the telescopic rod is sleeved with a telescopic sleeve and fixedly connected through a bolt, a plurality of balance balls are arranged outside the telescopic sleeve, a plurality of supporting seats are fixedly connected to the outer portion of the lower side of the cylindrical outer wall of the telescopic sleeve, and supporting legs are rotationally connected to the outer portions of the supporting seats. The supporting legs are connected with the supporting base through the angle adjusting rotary heads, the supporting angles of the supporting legs can be adjusted to adapt to different heights and inclined road surfaces, the applicability is improved, the limiting clamping heads can be tightly attached to the limiting clamping grooves through the pre-pressing springs, the positions of the supporting legs are limited, and rapid adjustment is not affected.

Description

Technical Field

[0001] The invention belongs to the technical field related to track and field sports, and in particular relates to a track and field training induction timer with infrared ray induction. Background Art

[0002] With the continuous development of track and field sports, the requirements for timing accuracy during training are getting higher and higher. In traditional track and field training, manual timing or simple electronic timers are usually used. However, these timing methods have large errors and cannot meet the needs of modern track and field training for accurate timing.

[0003] At present, although there are some track and field timers on the market, they still have some shortcomings in actual use. For example, the height adjustment of existing timers is inconvenient and difficult to adapt to different venues and usage requirements; during the placement process, they are not stable enough and are easily affected by external forces and move or fall, affecting the accuracy of timing; the battery life is limited, and frequent battery replacement not only increases the cost, but also affects the convenience of use; the adaptability to different terrains is weak, and they cannot be placed stably on inclined roads, which limits their use occasions.

[0004] In addition, the existing track and field timers are not convenient to carry and operate, lack effective protection measures, and are easily damaged during carrying. In order to solve these problems, there is an urgent need for a new type of track and field training induction timer that can achieve accurate timing, adjustable height, strong stability, high endurance, adapt to different terrains, and is easy to carry and operate. Summary of the invention

[0005] The purpose of the present invention is to provide a track and field training induction timer with infrared ray sensing to solve the problems of the existing timers mentioned in the above background technology, such as insufficient stability, easy movement or tipping due to external force, and poor endurance.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an induction timer for track and field training with infrared ray sensing, comprising a timing mechanism, a sensing head is arranged on the upper side of the front end of the timing mechanism, a plurality of function buttons are arranged on the upper end of the timing mechanism, the lower sides of the left and right ends of the timing mechanism are rotatably connected to solar panels through limit swivel seats, a telescopic rod is fixedly connected to the center of the lower end of the timing mechanism, a telescopic sleeve is sleeved on the outer side of the lower end of the telescopic rod and fixedly connected by bolts, a plurality of balancing balls are arranged on the outer side of the telescopic sleeve, a plurality of support seats are fixedly connected to the outer side of the lower side of the cylindrical outer wall of the telescopic sleeve, and support legs are rotatably connected to the outer sides of the plurality of support seats.

[0007] Preferably, the support leg is connected to the support seat through a cylindrical angle adjustment head, and the angle adjustment head is rotatably connected inside the support seat and fixedly connected to the support leg. A limiting slot runs through the center of the angle adjustment head in the direction of the central axis, and limiting clamps are slidably connected inside the openings at both ends of the limiting slot.

[0008] Preferably, the two limit clamps are rotatably connected to the inside of the support seat through the limit clamp groove, and the two limit clamp grooves are respectively opened inside the two inner walls of the support seat, and a pre-compression spring is arranged between the two limit clamps, and they are elastically connected to the inside of the limit slide groove through the pre-compression spring.

[0009] Preferably, the limiting slide groove is connected to a locking slide groove at one end away from the support seat, and the locking slide groove is arranged inside the end of the support leg close to the support seat, and openings are provided at both ends of the locking slide groove in the direction of the central axis of the angle adjustment head on the side away from the support seat, and the two openings are arranged inside the cylindrical outer wall of the support leg, and the two limiting clamps are fixedly connected to a locking thrust plate on the side close to the end away from the support seat.

[0010] Preferably, the two locking thrust plates are both slidably connected inside the locking slide groove at one end close to the support seat, a locking clamp is arranged on the rear side between the two locking thrust plates, and the locking clamp is arranged in a wedge shape, the locking clamp is fixedly connected to a limiting connection seat at one end away from the support seat, and the limiting connection seat is clamped inside the end of the locking slide groove away from the support seat, and is slidably connected inside the locking slide groove.

[0011] Preferably, the support leg is connected to a locking threaded sleeve on the outside of one end of the support seat near the support seat, and the locking threaded sleeve is sleeved on the outside of the two openings of the locking slide groove, and is clamped with the limiting connecting seat through a limiting ring and a limiting groove, and the limiting connecting seat is rotatably connected to the inside of the locking threaded sleeve.

[0012] Preferably, a retractable sleeve is connected to the middle of the telescopic sleeve cylindrical outer wall through a retractable sleeve groove, and the retractable sleeve groove is opened inside the outer wall of the telescopic sleeve and is slidably connected to the retractable sleeve. A retractable tooth head is rotatably connected inside the upper end of the retractable sleeve, and the retractable tooth head is connected to the balance ball through a connecting rod.

[0013] Preferably, the multiple retractable tooth heads are semi-cylindrically arranged near one end of the telescopic sleeve, and a multiple retractable rack is arranged inside the cylindrical inner wall of the retractable slide groove, and the multiple retractable rack corresponds to the multiple retractable tooth heads one by one, and are respectively engaged with the semi-cylindrical outer walls of the multiple retractable tooth heads, and the interior of the telescopic sleeve is hollow, and an inner magnetic ball is arranged inside the telescopic sleeve.

[0014] Preferably, the solar module is provided with electrode sleeves on both the front and rear sides at the center of one end close to the timing mechanism, the two electrode sleeves are slidably connected with electrode heads inside the end close to the timing mechanism, and the two electrode heads are provided with electrode springs at the end away from the timing mechanism and are elastically connected inside the electrode sleeves through the electrode springs.

[0015] Preferably, the electrode head is clamped with an electrode holder at one end close to the timing mechanism, and the electrode holder is arranged inside the timing mechanism. A limit clamping hole is arranged at the lower end of the electrode head, and the limit clamping hole is opened inside the inner wall of the lower end of the limit rotating seat between the timing mechanism and the solar panel. The electrode head can be clamped with the electrode holder and the limit clamping hole respectively by rotation.

[0016] Compared with the prior art, the present invention provides a track and field training induction timer with infrared ray induction, which has the following beneficial effects:

[0017] 1. Timing and sensing technology: cooperate with the starting gun and infrared transmitter, receive infrared light signals through the sensor head, accurately record the athlete's competition time, start timing when the starting gun sounds, and stop timing when the athlete crosses the finish line and blocks the light.

[0018] 2. Support structure: The support leg is connected to the support seat through an angle adjustment swivel. The support leg can adjust the support angle to adapt to different heights and inclined roads to improve applicability. The limit clamp can fit tightly with the limit slot through the pre-compression spring to limit the position of the support leg without affecting quick adjustment.

[0019] 3. Support locking: The limit clamp can be locked by the wedge-shaped locking clamp on the rear side between the locking thrust plates, and the locking clamp can be adjusted in position by the limit connection seat and the locking threaded sleeve. The locking threaded sleeve drives the limit connection seat to move so that the locking clamp is inserted between the locking thrust plates to fix the position of the support legs and ensure stable support.

[0020] 4. Buffering effect of the balancing ball: The balancing ball is made of magnetic metal, and the inner magnetic ball has weak magnetism. When the infrared induction timer is subjected to external force, the inner magnetic ball remains motionless under the action of inertia and generates an opposite force through weak magnetism and rolling on the spherical inner wall of the balancing ball to offset part of the external force. After the buffering is over, the inner magnetic ball returns to the center of the lower end of the balancing ball under the action of weak magnetism, ensuring the stable use of the infrared induction timer.

[0021] 5. Balance ball retraction and expansion: The middle part of the cylindrical outer wall of the telescopic sleeve receives the expansion slide sleeve through the expansion slide groove sleeve, the upper end of the expansion slide sleeve rotates internally to connect the expansion tooth head, the expansion tooth head is connected to the balance ball through a connecting rod, the semi-cylindrical outer wall of the expansion tooth head is engaged with the expansion gear rail inside the telescopic sleeve, and an inner magnetic ball is arranged in the hollow inside of the telescopic sleeve. The balance ball can be expanded and retracted by sliding up and down the expansion slide sleeve, which is convenient to carry.

[0022] 6. Design of solar panel deployment: The solar panel is arranged outside the timing mechanism. When the solar panel is deployed, the electrode sleeve is connected to the electrode holder through the electrode head, and the timing mechanism is connected to the internal circuit of the solar panel. The timing mechanism is connected to the solar panel and the infrared induction timer is turned on, which can assist in charging the battery pack, improve the endurance and reduce the cost of use. The electrode head is tightly connected to the electrode holder through the electrode spring to limit the deployment position.

[0023] 7. Solar module folding design: When the solar module is folded, the electrode head is rotated and clamped into the limit card hole to limit the folding position, which is convenient for carrying and protects the timing mechanism display board and the solar module solar panel to prevent damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the infrared induction timer of the present invention.

[0025] Figure 2 It is a schematic diagram of the three-dimensional cross-sectional structure of the infrared induction timer of the present invention.

[0026] Figure 3 For the present invention Figure 2 Enlarged schematic diagram at point A in the middle.

[0027] Figure 4 It is a schematic diagram of the support leg connection structure of the present invention.

[0028] Figure 5 For the present invention Figure 4 Enlarged schematic diagram of point B in the middle.

[0029] Figure 6 For the present invention Figure 2 Enlarged schematic diagram at point C in the middle.

[0030] Figure 7 For the present invention Figure 2 Enlarged schematic diagram at point D in the middle.

[0031] Figure 8 For the present invention Figure 2 Enlarged schematic diagram at point E in the middle.

[0032] Fig. 9 It is a schematic diagram of the electrode sleeve connection structure of the present invention.

[0033] In the figure: 1. timing mechanism; 2. induction head; 3. function button; 4. solar panel; 5. telescopic rod; 6. telescopic sleeve; 7. balance ball; 8. support seat; 9. support leg; 10. angle adjustment swivel head; 11. limit slide; 12. limit clamp; 13. limit clamp slot; 14. preload spring; 15. locking slide; 16. locking push plate; 17. locking clamp; 18. limit connecting seat; 19. locking threaded sleeve; 20. retracting and extending slide; 21. retracting and extending slide; 22. retracting and extending tooth head; 23. connecting rod; 24. retracting and extending gear rail; 25. inner magnetic ball; 26. electrode slide; 27. electrode head; 28. electrode spring; 29. ​​electrode clamp seat; 30. limit clamp hole. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] The present invention provides Figure 1-Figure 9 The track and field training induction timer with infrared ray induction shown in the figure comprises a timing mechanism 1, a sensing head 2 is arranged on the upper side of the front end of the timing mechanism 1, a plurality of function buttons 3 are arranged on the upper end of the timing mechanism 1, the lower sides of the left and right ends of the timing mechanism 1 are rotatably connected to solar panels 4 through limit swivel seats, a telescopic rod 5 is fixedly connected to the center of the lower end of the timing mechanism 1, a telescopic sleeve 6 is sleeved on the lower end of the telescopic rod 5 and fixedly connected by bolts, a plurality of balancing balls 7 are arranged on the outside of the telescopic sleeve 6, a plurality of support seats 8 are fixedly connected to the outer side of the lower side of the cylindrical outer wall of the telescopic sleeve 6, and a plurality of support seats 8 are rotatably connected to the outside of the plurality of support seats 8. In track and field training, the infrared induction timer is used to accurately time the athletes, the infrared induction timer is used together with the starting gun and the infrared transmitter, the infrared induction timer and the infrared transmitter are arranged on both sides of the finish line, and the infrared induction timer receives the infrared light signal emitted by the infrared transmitter, when the starting gun is fired, the infrared induction timer receives the signal emitted by the starting mechanism of the starting gun and starts timing, when the athlete passes the finish line, the infrared light is blocked, triggering the infrared induction timer to stop timing, thereby accurately timing the athlete.

[0036] Preferably, the infrared sensing timer receives infrared light signals through the sensing head 2, and adjusts the height through the telescopic rod 5 and the telescopic sleeve 6, and can support the bottom through multiple supporting legs 9, and the multiple supporting legs 9 can adjust the support stability by rotating inside multiple supporting seats 8. Display panels are provided at the left and right ends of the timing mechanism 1 for displaying the timing time, and the timing mode can be adjusted and reset through multiple function buttons 3. A battery pack is provided inside the timing mechanism 1, and can be assisted in charging by solar panels 4 on both sides to improve battery life, and the solar panels 4 can open and close the timing mechanism 1 during the unfolding and folding process. During the use of the infrared sensing timer, multiple balancing balls 7 outside the telescopic sleeve 6 can be used for auxiliary stability to prevent the infrared sensing timer from moving or tipping over due to external forces, thereby ensuring the stable use of the infrared sensing timer.

[0037] Preferably, the support leg 9 is connected to the support seat 8 through a cylindrical angle adjustment head 10, and the angle adjustment head 10 is rotatably connected to the inside of the support seat 8 and fixedly connected to the support leg 9. The center of the angle adjustment head 10 passes through a limiting slide groove 11 in the direction of the central axis. The openings at both ends of the limiting slide groove 11 are slidably connected to the inside of the limiting clamping head 12. The two limiting clamping heads 12 are rotatably connected to the inside of the support seat 8 through limiting clamping grooves 13, and the two limiting clamping grooves 13 are respectively opened in the two inner walls of the support seat 8. A pre-compression spring 14 is arranged between the two limiting clamping heads 12, and they are elastically connected by the pre-compression spring 14. Inside the limiting slide groove 11, the supporting angle of the supporting leg 9 can be adjusted by rotating the angle adjustment head 10 inside the supporting seat 8 to adapt to the stability of the timing mechanism 1 at different heights, and multiple supporting legs 9 can be supported at different angles, so that the infrared sensing timer can be placed stably on an inclined road surface, allowing the infrared sensing timer to be used in different occasions, thereby improving applicability. During the adjustment process of the supporting leg 9, the limiting clamp 12 can fit tightly with the limiting clamp groove 13 through the pre-compression spring 14, thereby limiting the position of the supporting leg 9 without affecting the rapid adjustment of the supporting leg 9, thereby improving the adjustment efficiency of the supporting leg 9.

[0038] Preferably, the limiting slide groove 11 is connected to a locking slide groove 15 at one end away from the support seat 8, and the locking slide groove 15 is opened inside the end of the support leg 9 close to the support seat 8, and the locking slide groove 15 is provided with openings on both ends of the central axis direction of the angle adjustment swivel head 10 away from the support seat 8, and the two openings are both opened inside the cylindrical outer wall of the support leg 9, and the two limiting clamps 12 are fixedly connected to a locking thrust plate 16 on the side close to the end away from the support seat 8, and the two locking thrust plates 16 are both slidably connected to the locking slide groove 15 close to the support seat 8. A locking clamp 17 is provided on the rear side between the two locking thrust plates 16, and the locking clamp 17 is wedge-shaped, and the locking clamp 17 is fixedly connected to a limiting connection seat 18 at one end away from the support seat 8, and the limiting connection seat 18 is clamped in the locking The slide groove 15 is away from the interior of one end of the support seat 8 and is slidably connected inside the locking slide groove 15. The external thread connection of the support leg 9 close to the support seat 8 is provided with a locking threaded sleeve 19. The locking threaded sleeve 19 is sleeved on the outside of the two openings of the locking slide groove 15, and is clamped with the limiting connection seat 18 through the limiting ring and the limiting groove, and the limiting connection seat 18 is rotatably connected inside the locking threaded sleeve 19. After the position of the support leg 9 is adjusted, the limiting connection seat 18 can be driven to move closer to one end of the support seat 8 by rotating the locking threaded sleeve 19, and the wedge-shaped locking card head 17 is inserted between the two locking push plates 16 through the limiting connection seat 18, so that the limiting card head 12 and the limiting card slot 13 are locked with each other, thereby fixing the position of the support leg 9 and ensuring stable support of the support leg 9.

[0039] Preferably, a retracting sleeve 21 is sleeved via a retracting slide groove 20 in the middle of the cylindrical outer wall of the telescopic sleeve 6, and the retracting slide groove 20 is opened inside the outer wall of the telescopic sleeve 6 and is slidably connected to the retracting slide sleeve 21, and a retracting tooth head 22 is rotatably connected inside the upper end of the retracting slide sleeve 21, and the retracting tooth head 22 is connected to the balance ball 7 through a connecting rod 23, and multiple retracting tooth heads 22 are arranged in a semi-cylindrical shape near one end of the telescopic sleeve 6, and multiple retracting racks 24 are arranged inside the cylindrical inner wall of the retracting slide groove 20, and the multiple retracting racks 24 correspond to the multiple retracting tooth heads 22 one by one, and are respectively engaged with the semi-cylindrical outer walls of the multiple retracting tooth heads 22, and the interior of the telescopic sleeve 6 is hollow, and the interior of the telescopic sleeve 6 is provided with The inner magnetic ball 25 and the plurality of balancing balls 7 can be unfolded and retracted by the up and down sliding of the retracting and unfolding sleeve 21 inside the retracting and unfolding slide groove 20. When the retracting and unfolding sleeve 21 slides downward, the retracting and unfolding tooth head 22 can drive the connecting rod 23 to unfold outward through the meshing and rolling between the semi-cylindrical outer wall and the retracting and unfolding gear rail 24, thereby unfolding the plurality of balancing balls 7 outside the telescopic sleeve 6 for buffering the external force and stabilizing the infrared sensing timer. When the retracting and unfolding sleeve 21 slides upward, the retracting and unfolding tooth head 22 drives the connecting rod 23 to retract inward and can fix the position by the fixing bolts at the front end, thereby folding the plurality of balancing balls 7 and fitting them to the outer wall of the telescopic sleeve 6, making it more convenient to carry the infrared sensing timer.

[0040] Preferably, since the balancing ball 7 is made of magnetic metal and the inner magnetic ball 25 has weak magnetism, when the infrared induction timer is subjected to external force, the inner magnetic ball 25 remains motionless due to the action of inertia, and generates an opposite force through weak magnetism and rolling on the spherical inner wall of the balancing ball 7, thereby offsetting part of the external force, thereby buffering the external force applied to the infrared induction timer, and after the buffering is completed, the inner magnetic ball 25 slowly returns to the center of the lower end of the balancing ball 7 under the action of weak magnetism, so that the balancing ball 7 can buffer the external force applied to the infrared induction timer due to the rolling of the inner magnetic ball 25 and the magnetic connection with the inner magnetic ball 25, thereby ensuring the stable use of the infrared induction timer.

[0041] Preferably, the front and rear sides of the center of one end of the solar module 4 near the timing mechanism 1 are both provided with electrode sleeves 26, the two electrode sleeves 26 are both slidably connected with electrode heads 27 inside the end near the timing mechanism 1, the two electrode heads 27 are both provided with electrode springs 28 at the end away from the timing mechanism 1, and are elastically connected to the inside of the electrode sleeves 26 through the electrode springs 28, the electrode head 27 is clamped with an electrode holder 29 at the end near the timing mechanism 1, and the electrode holder 29 is arranged inside the timing mechanism 1, and a limit clamping hole 30 is arranged at the lower end of the electrode head 27, and the limit clamping hole 30 is opened inside the inner wall of the lower end of the limit rotating seat between the timing mechanism 1 and the solar module 4, the electrode head 27 can be respectively clamped with the electrode holder 29 and the limit clamping hole 30 by rotation, and after the infrared induction timer is installed, the solar modules on both sides are unfolded. During the process of the solar module 4, the electrode sleeve 26 arranged inside the solar module 4 can be connected to the electrode holder 29 through the electrode head 27, so that the timing mechanism 1 is connected to the solar module 4, and at the same time, the circuit inside the timing mechanism 1 and the solar module 4 is turned on, which can not only connect the timing mechanism 1 to the solar module 4, but also start the infrared sensing timer. At this time, the solar module 4 can use the electric energy generated by the solar panel to assist in charging the battery pack inside the timing mechanism 1, which can not only improve the endurance of the infrared sensing timer, but also reduce the use cost of the infrared sensing timer, and the electrode head 27 can be tightly clamped with the electrode holder 29 through the electrode spring 28, so that the solar module 4 can limit the unfolding position through the electrode head 27 and the electrode holder 29, thereby ensuring the stable connection between the timing mechanism 1 and the solar module 4.

[0042] Preferably, during the folding process of the solar module 4, the electrode head 27 can be inserted into the limit card hole 30 inside the rotating seat through the rotation of the solar module 4 and the action of the electrode spring 28, so that the solar module 4 can limit the folding position through the electrode head 27 and the limit card hole 30, ensuring the stability of the folding position between the timing mechanism 1 and the solar module 4, and after the solar module 4 is folded, it can be more convenient to carry, and the display panel of the timing mechanism 1 and the solar panel of the solar module 4 can be protected to prevent damage during carrying.

[0043] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A track and field training induction timer with infrared ray induction, characterized in that: The invention comprises a timing mechanism (1), wherein a sensing head (2) is arranged on the upper side of the front end of the timing mechanism (1), a plurality of function buttons (3) are arranged on the upper end of the timing mechanism (1), the lower sides of the left and right ends of the timing mechanism (1) are rotatably connected to solar panels (4) through limit rotating seats, a telescopic rod (5) is fixedly connected at the center of the lower end of the timing mechanism (1), a telescopic sleeve (6) is sleeved on the lower end of the telescopic rod (5) and fixedly connected by bolts, a plurality of balancing balls (7) are arranged on the outside of the telescopic sleeve (6), a plurality of support seats (8) are fixedly connected to the outside of the lower side of the cylindrical outer wall of the telescopic sleeve (6), and the outsides of the plurality of support seats (8) are rotatably connected to support legs (9).

2. The track and field training induction timer with infrared ray induction according to claim 1, characterized in that: The support leg (9) is connected to the support seat (8) via a cylindrical angle adjustment rotating head (10), and the angle adjustment rotating head (10) is rotatably connected inside the support seat (8) and fixedly connected to the support leg (9), a limiting slide groove (11) passes through the center of the angle adjustment rotating head (10) in the direction of the center axis, and the limiting clamping heads (12) are slidably connected inside the openings at both ends of the limiting slide groove (11).

3. The track and field training induction timer with infrared ray induction according to claim 2, characterized in that: The two limit clamps (12) are both rotatably connected to the inside of the support seat (8) via the limit clamping groove (13), and the two limit clamping grooves (13) are respectively opened inside the two inner walls of the support seat (8), and a pre-compression spring (14) is arranged between the two limit clamps (12), and is elastically connected to the inside of the limit sliding groove (11) via the pre-compression spring (14).

4. The track and field training induction timer with infrared ray induction according to claim 3, characterized in that: The end of the limiting slide groove (11) away from the support seat (8) is connected to a locking slide groove (15), and the locking slide groove (15) is arranged inside the end of the support leg (9) close to the support seat (8). The locking slide groove (15) is provided with openings at both ends of the central axis direction of the angle adjustment rotating head (10) on the side away from the support seat (8), and the two openings are arranged inside the cylindrical outer wall of the support leg (9). The two limiting clamps (12) are fixedly connected with a locking thrust plate (16) on the side close to the end away from the support seat (8).

5. The track and field training induction timer with infrared ray induction according to claim 4, characterized in that: The two locking thrust plates (16) are both slidably connected inside the locking slide groove (15) at one end close to the support seat (8), a locking clamp (17) is arranged at the rear side between the two locking thrust plates (16), and the locking clamp (17) is arranged in a wedge shape, the locking clamp (17) is fixedly connected to a limiting connection seat (18) at one end away from the support seat (8), and the limiting connection seat (18) is clamped inside the end of the locking slide groove (15) away from the support seat (8), and is slidably connected inside the locking slide groove (15).

6. The track and field training induction timer with infrared ray induction according to claim 5, characterized in that: The support leg (9) is externally threadedly connected to one end of the support seat (8), and the locking threaded sleeve (19) is sleeved on the outside of the two openings of the locking slide groove (15), and is clamped with the limiting connection seat (18) through a limiting ring and a limiting groove, and the limiting connection seat (18) is rotatably connected to the inside of the locking threaded sleeve (19).

7. The track and field training induction timer with infrared ray induction according to claim 1, characterized in that: A retractable sleeve (21) is sleeved via a retractable slide groove (20) in the middle of the cylindrical outer wall of the telescopic sleeve (6), and the retractable slide groove (20) is arranged inside the outer wall of the telescopic sleeve (6) and is slidably connected to the retractable sleeve (21). A retractable tooth head (22) is rotatably connected inside the upper end of the retractable sleeve (21), and the retractable tooth head (22) is connected to the balancing ball (7) via a connecting rod (23).

8. The track and field training induction timer with infrared ray induction according to claim 7, characterized in that: The plurality of retractable tooth heads (22) are arranged in a semi-cylindrical shape near one end of the telescopic sleeve (6); a plurality of retractable racks (24) are arranged inside the cylindrical inner wall of the retractable slide groove (20); the plurality of retractable racks (24) correspond to the plurality of retractable tooth heads (22) one by one, and are respectively meshed with the semi-cylindrical outer walls of the plurality of retractable tooth heads (22); the interior of the telescopic sleeve (6) is hollow, and an inner magnetic ball (25) is arranged inside the telescopic sleeve (6).

9. The track and field training induction timer with infrared ray induction according to claim 1, characterized in that: Electrode sleeves (26) are provided inside the front and rear sides of the center of one end of the solar module (4) close to the timing mechanism (1), and electrode heads (27) are slidably connected inside the two ends of the electrode sleeves (26) close to the timing mechanism (1), and electrode springs (28) are provided at the ends of the two electrode heads (27) away from the timing mechanism (1) and are elastically connected inside the electrode sleeves (26) through the electrode springs (28).

10. The track and field training induction timer with infrared ray induction according to claim 9, characterized in that: An electrode holder (29) is clamped at one end of the electrode head (27) close to the timing mechanism (1), and the electrode holder (29) is arranged inside the timing mechanism (1). A limit clamping hole (30) is arranged at the lower end of the electrode head (27), and the limit clamping hole (30) is opened inside the inner wall of the lower end of the limit rotating seat between the timing mechanism (1) and the solar module (4). The electrode head (27) can be clamped with the electrode holder (29) and the limit clamping hole (30) respectively by rotation.

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