Energy-saving lighting device for court

Abstract

The invention discloses an energy-saving lighting device for a court, and relates to the technical field of court lighting devices, the energy-saving lighting device for the court comprises a hollow lamp post, a protection mechanism for reducing damage of the lighting device is arranged at the top of the lamp post, and a turnover mechanism for driving the lighting device to rotate is further arranged at the top of the lamp post; an extrusion mechanism used for keeping the protection mechanism in a closed state is arranged at the top of the lamp post, a locking mechanism used for preventing the protection mechanism from deviating is arranged at the top of the lamp post, and by arranging the protection mechanism, the illuminating lamp can be completely retracted into the outer shell in the non-use period, so that a closed protection space is formed; the lamp is effectively prevented from being exposed to severe environments such as rain, snow, ultraviolet rays and sand wind for a long time, compared with a traditional fixed court lamp, material fatigue caused by water invasion, dust accumulation and temperature difference is greatly reduced, the frequency of manual maintenance is reduced, the service life of the illuminating lamp is prolonged, and the failure rate caused by environmental factors is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of court lighting devices, in particular to an energy-saving lighting device for a court. BACKGROUND

[0002] In order to facilitate sports enthusiasts to exercise at night, a court lamp is generally arranged above the court to protect the sports enthusiasts from insufficient light. The court lamp is generally erected above the inner side of the playground and supported by a fixed rod. The light source part of the court lamp is generally an integral connection structure with a large volume, so as to achieve the purpose of illuminating the whole court.

[0003] The court lamp is usually directly exposed to the outside. Since the court lamp is directly exposed to the natural environment, it is affected by external factors such as rain, wind, and seasonal temperature difference. This not only may cause damage to the lamp, affecting its normal function, but also may accelerate the aging of the equipment, increasing the cost and workload of long-term maintenance.

[0004] Therefore, the present application provides an energy-saving lighting device for a court to make up for and improve the shortcomings of the prior art. SUMMARY

[0005] In view of the above problems, the present application provides an energy-saving lighting device for a court, which can effectively solve the problem that the court lamp is directly exposed to the natural environment, causing damage to the lamp. In order to achieve the above purpose, the present application provides the following technical solutions: The present application discloses an energy-saving lighting device for a court, comprising a hollow lamp column, a protection mechanism for reducing damage to the lighting device is arranged at the top of the lamp column, a turnover mechanism for driving the lighting device to rotate is also arranged at the top of the lamp column, an extrusion mechanism for keeping the protection mechanism in a closed state is arranged at the top of the lamp column, and a locking mechanism for avoiding the protection mechanism from deviating is arranged at the top of the lamp column.

[0006] The protection mechanism comprises a cross-shaped mounting seat fixedly connected to the top of the lamp column, an outer shell body is rotatably connected to each corner of the top of the mounting seat, an accommodating groove is formed in the side surface of each outer shell body, a lighting lamp is horizontally slidably connected in the accommodating groove, a pull rod is fixedly connected to the side surface of the lighting lamp, the pull rod is slidably connected to the outer shell body, the pull rod extends to the outside of the outer shell body at the end away from the lighting lamp, a first tension spring is sleeved on the pull rod, one end of the first tension spring is fixedly connected to the side surface of the lighting lamp, and the other end of the first tension spring is fixedly connected to the side surface of the accommodating groove.

[0007] Further, the protection mechanism further comprises a rotating shaft rotatably connected to the side surface of the outer shell body, and a cover plate is fixedly connected to the outside of the rotating shaft for shielding the opening of the first tension spring of the accommodating groove.

[0008] Further, the rotating shaft is externally sleeved with a torsion spring, one end of the torsion spring is fixedly connected with the rotating shaft, and the other end of the torsion spring is fixedly connected with the side of the shell.

[0009] Further, the turning mechanism comprises a ring slidably sleeved on the outside of the lamp post, a plurality of connecting rods are rotationally connected to the outside of the ring, a second sliding groove is formed in the end of each connecting rod away from the ring, and each second sliding groove is slidably connected to the bottom of the shell through a connecting rod.

[0010] Further, a vertical first sliding groove is formed in the side of the lamp post, a cross bar is fixedly connected to the inside of the ring, the cross bar penetrates the first sliding groove, a screw rod is vertically rotationally connected to the inside of the lamp post, and the screw rod is threadedly connected to the middle of the cross bar.

[0011] Further, a rotating rod is rotationally connected to the inside of the lamp post, a first bevel gear is fixedly connected to the outside of the rotating rod, a second bevel gear is engaged with the first bevel gear, the second bevel gear is fixedly connected to the bottom of the screw rod, and a handle is fixedly connected to one end of the rotating rod.

[0012] Further, the turning mechanism further comprises a first roller fixedly connected to the end of the pull rod away from the illuminating lamp, an extrusion block is further fixedly connected to the top of the mounting seat, an inclined surface is formed in the top of the extrusion block, and the first roller is rollingly connected to the inclined surface of the extrusion block.

[0013] Further, the extrusion mechanism comprises a sleeve fixedly connected to the bottom of the mounting seat, a cavity is formed in the bottom of the sleeve, an L-shaped rod is slidably connected to the inside of the cavity, a groove for accommodating the cover plate is formed in the top of the horizontal section of the L-shaped rod, a second tension spring is further arranged in the cavity, one end of the second tension spring is fixedly connected to the sleeve, and the other end of the second tension spring is fixedly connected to the top of the vertical section of the L-shaped rod.

[0014] Further, the locking mechanism comprises a sliding rod horizontally slidably connected to the extrusion block, a clamping block is fixedly connected to the end of the sliding rod close to the shell, an inclined surface is also formed in the top of the clamping block, a second roller is fixedly connected to the end of the sliding rod away from the clamping block, the second roller is perpendicular to the sliding rod, a return spring is sleeved on the outside of the sliding rod, the return spring is located between the clamping block and the extrusion block, a limiting block is further fixedly connected to the outside of the sliding rod, and the limiting block is located on the side of the extrusion block away from the return spring.

[0015] Further, the locking mechanism further comprises a cross-shaped connecting rod fixedly connected to the top of the elongated end of the screw rod, arc-shaped plates are fixedly connected to the four corners of the cross-shaped connecting rod, and each arc-shaped plate is rollingly connected to the second roller.

[0016] The beneficial effects of the present application are as follows: The device is provided with a protection mechanism, the illuminating lamp can be completely withdrawn into the inside of the shell during the non-use period, a closed protection space is formed, the illuminating lamp is effectively prevented from being exposed to rain, snow, ultraviolet rays, wind sand and other harsh environments for a long time, compared with the traditional fixed court lamp, the water intrusion, dust accumulation and material fatigue caused by temperature difference are greatly reduced, the frequency of manual maintenance is reduced, the service life of the illuminating lamp is prolonged, and the failure rate caused by environmental factors is reduced.

[0017] The device is provided with a turnover mechanism, after the illuminating lamp is contracted into the protection mechanism, the shell is turned by ninety degrees, the cover plate is vertically downward, rainwater is prevented from entering the containing groove from the gap between the cover plate and the shell, and the illuminating lamp is further prevented from being eroded by rainwater.

[0018] The device is provided with a locking mechanism, the position of the cover plate is locked after the cover plate is completely closed, the cover plate is prevented from being accidentally opened due to strong wind vibration or external impact, the lamp is ensured to be in a sealed protection state in the storage state, the overall waterproof and dustproof level is improved, and the maintenance cost is reduced. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0020] Figure 1 It is a perspective view of the present application.

[0021] Figure 2 It is a perspective view of the protection mechanism in the present application.

[0022] Figure 3 It is an exploded view of the protection mechanism in the present application.

[0023] Figure 4 It is a perspective view of the mounting seat in the present application.

[0024] Figure 5 It is a perspective view of the mounting seat in the present application. Figure 4 It is an enlarged view of the structure at A in the present application.

[0025] Figure 6 It is a perspective view of the turnover mechanism in the present application.

[0026] Figure 7 It is a perspective view of the extrusion mechanism in the present application.

[0027] The numbers in the figures represent: 10, lamp post; 20, protection mechanism; 201, mounting seat; 202, outer shell; 203, illuminating lamp; 204, pull rod; 205, first pull spring; 206, containing groove; 207, cover plate; 208, torsion spring; 209, rotating shaft; 30, turnover mechanism; 301, circular ring; 302, connecting rod; 303, first sliding groove; 304, second sliding groove; 305, crossbar; 306, screw rod; 307, first bevel gear; 308, second bevel gear; 309, rotating rod; 310, handle; 311, first roller; 312, extrusion block; 40, extrusion mechanism; 401, sleeve; 402, cavity; 403, L-shaped rod; 404, second pull spring; 405, groove; 50, locking mechanism; 501, sliding rod; 502, clamping block; 503, return spring; 504, limiting block; 505, second roller; 506, arc-shaped plate; 507, cross-shaped connecting rod. DETAILED DESCRIPTION

[0028] To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0029] The present application will be further described below with reference to the embodiments.

[0030] Referring to Figures 1 to 7 The energy-saving illuminating device for a court in the embodiment comprises a hollow lamp post 10, the top of the lamp post 10 is provided with a protection mechanism 20 for reducing damage of the illuminating device, the top of the lamp post 10 is also provided with a turnover mechanism 30 for driving the illuminating device to rotate, the top of the lamp post 10 is provided with an extrusion mechanism 40 for keeping the protection mechanism 20 in a closed state, and the top of the lamp post 10 is provided with a locking mechanism 50 for avoiding deviation of the protection mechanism 20.

[0031] The protection mechanism 20 comprises a cross-shaped mounting seat 201 fixedly connected at the top of the lamp post 10, four outer housings 202 are rotationally connected at the top of the mounting seat 201, a containing groove 206 is formed in the side of each outer housing 202, a lighting lamp 203 is slidably connected in the containing groove 206, a pull rod 204 is fixedly connected to the side of the lighting lamp 203, the pull rod 204 is slidably connected with the outer housing 202, and the end of the pull rod 204 away from the lighting lamp 203 extends to the outside of the outer housing 202, a first tension spring 205 is sleeved on the outside of the pull rod 204, one end of the first tension spring 205 is fixedly connected to the side of the lighting lamp 203, and the other end of the first tension spring 205 is fixedly connected to the side of the containing groove 206.

[0032] The protection mechanism 20 further comprises a rotating shaft 209 rotationally connected to the side of the outer housing 202, and a cover plate 207 is fixedly connected to the outside of the rotating shaft 209 and used for shielding the opening of the containing groove 206.

[0033] A torsion spring 208 is further sleeved on the outside of the rotating shaft 209, one end of the torsion spring 208 is fixedly connected to the outside of the rotating shaft 209, and the other end of the torsion spring 208 is fixedly connected to the side of the outer housing 202.

[0034] In specific work, when the lighting lamp 203 is not used, the lighting lamp 203 needs to be moved into the outer housing 202, at this time, the outer housing 202 is first turned by ninety degrees by the turnover mechanism 30, and in the process of turning, the lighting lamp 203 is moved into the containing groove 206 by the pulling force of the first tension spring 205, so that the lighting lamp 203 is moved into the containing groove 206, and in the process of moving, the rotating shaft 209 and the cover plate 207 are driven to rotate by the torsion of the torsion spring 208, the opening of the containing groove 206 is closed by the cover plate 207, and the lighting lamp 203 can be completely withdrawn into the outer housing 202 in the non-use period, so that a closed protection space is formed, the lighting lamp 203 is effectively prevented from being exposed to rain, snow, ultraviolet rays, wind and sand and other harsh environments for a long time, compared with the traditional fixed court lamp, the moisture intrusion, dust accumulation and material fatigue caused by temperature difference are greatly reduced, the frequency of manual maintenance is reduced, the service life of the lighting lamp 203 is prolonged, and the failure rate caused by environmental factors is reduced.

[0035] The turnover mechanism 30 comprises a circular ring 301 slidably sleeved on the outside of the lamp post 10, a plurality of connecting rods 302 are rotationally connected to the outside of the circular ring 301, a second sliding groove 304 is formed in the end of each connecting rod 302 away from the circular ring 301, and each second sliding groove 304 is slidably connected with the bottom of the outer housing 202 through a connecting rod.

[0036] The lamp post 10 is provided with a vertical first sliding slot 303 on the side, a horizontal rod 305 is fixedly connected to the inner side of the ring 301, and the horizontal rod 305 penetrates through the first sliding slot 303, and a screw rod 306 is also vertically rotatably connected to the inside of the lamp post 10, and the screw rod 306 is threadedly connected to the middle part of the horizontal rod 305.

[0037] The lamp post 10 is provided with a vertical first sliding slot 303 on the side, a horizontal rod 305 is fixedly connected to the inner side of the ring 301, and the horizontal rod 305 penetrates through the first sliding slot 303, and a screw rod 306 is also vertically rotatably connected to the inside of the lamp post 10, and the screw rod 306 is threadedly connected to the middle part of the horizontal rod 305.

[0038] The turning mechanism 30 further comprises a first roller 311 fixedly connected to the end of the pull rod 204 away from the illuminating lamp 203, and the top of the mounting seat 201 is further fixedly connected with an extrusion block 312, the top of the extrusion block 312 is provided with an inclined surface, and the first roller 311 is rotatably connected with the inclined surface of the extrusion block 312.

[0039] Specifically, when the illuminating lamp 203 is not used, the handle 310 is rotated to drive the rotating rod 309 to rotate, the rotating rod 309 drives the screw rod 306 to rotate through the first bevel gear 307 and the second bevel gear 308, and the screw rod 306 drives the horizontal rod 305 to move downward in the first sliding slot 303 when rotating, the horizontal rod 305 drives the ring 301 to move downward synchronously, and the ring 301 drives the outer shell 202 to rotate through the connecting rod 302 when moving downward, and the outer shell 202 is rotated by 90 degrees to make the cover plate 207 in a vertically downward state, and after the illuminating lamp 203 is retracted into the protection mechanism 20, the outer shell 202 is rotated by 90 degrees to make the cover plate 207 vertically downward, so that rainwater cannot enter the accommodating groove 206 from the gap between the cover plate 207 and the outer shell 202, and the illuminating lamp 203 is further prevented from being eroded by rainwater.

[0040] During the process that the outer shell 202 is rotated from the horizontal state to the vertical state, the first roller 311 is separated from the inclined surface of the extrusion block 312, at this time, the first tension spring 205 can pull the illuminating lamp 203 into the accommodating groove 206, and during the process that the outer shell 202 is rotated from the vertical state to the horizontal state, the first roller 311 is extruded by the inclined surface of the extrusion block 312 to push the pull rod 204 to push the illuminating lamp 203 out of the accommodating groove 206, and when the illuminating lamp 203 is pushed out of the accommodating groove 206, the illuminating lamp 203 pushes the cover plate 207, and after the cover plate 207 is pushed open, the torsion spring 208 is twisted to store energy.

[0041] The extrusion mechanism 40 comprises a sleeve 401 fixedly connected at the bottom of the mounting base 201, a cavity 402 is formed at the bottom of the sleeve 401, an L-shaped rod 403 is slidably connected in the cavity 402, a recess 405 for accommodating the cover plate 207 is formed at the top of the horizontal section of the L-shaped rod 403, and a second tension spring 404 is further arranged in the cavity 402, one end of the second tension spring 404 is fixedly connected with the sleeve 401, and the other end of the second tension spring 404 is fixedly connected with the top of the vertical section of the L-shaped rod 403.

[0042] In particular, when the outer shell 202 is rotated from the horizontal state to the vertical state, the cover plate 207 is rotated into the recess 405 of the horizontal section of the L-shaped rod 403, and the L-shaped rod 403 is moved into the cavity 402 of the sleeve 401 by the pulling force of the second tension spring 404, so that the L-shaped rod 403 is moved upward to extrude the cover plate 207, so that the cover plate 207 is always locked at the opening of the accommodating groove 206, preventing the cover plate 207 from being accidentally opened due to strong wind vibration or external force impact, ensuring that the lamp is always in a sealed protection state in the storage state, improving the overall waterproof and dustproof level, and reducing the maintenance cost.

[0043] When the outer shell 202 is rotated from the vertical state to the horizontal state, the cover plate 207 is separated from the recess 405 of the L-shaped rod 403, so that the locking of the cover plate 207 is released.

[0044] The locking mechanism 50 comprises a sliding rod 501 horizontally slidably connected with the extrusion block 312, a clamping block 502 is fixedly connected at one end of the sliding rod 501 close to the outer shell 202, and a slope is also formed at the top of the clamping block 502, a second roller 505 is fixedly connected at the other end of the sliding rod 501 away from the clamping block 502, and the second roller 505 is perpendicular to the sliding rod 501, a return spring 503 is sleeved outside the sliding rod 501, and the return spring 503 is located between the clamping block 502 and the extrusion block 312, and a limiting block 504 is fixedly connected outside the sliding rod 501, and the limiting block 504 is located on the side of the extrusion block 312 away from the return spring 503.

[0045] The locking mechanism 50 further comprises a cross-shaped connecting rod 507 fixedly connected with the top of the extended end of the screw rod 306, and an arc-shaped plate 506 is fixedly connected at each corner of the cross-shaped connecting rod 507, and each arc-shaped plate 506 is rollingly connected with the second roller 505.

[0046] Specifically, when the outer shell 202 is rotated from the horizontal state to the vertical state, the screw rod 306 first drives the cross-shaped connecting rod 507 to rotate, and the cross-shaped connecting rod 507 simultaneously drives the arc-shaped plate 506 to rotate. During the rotation of the arc-shaped plate 506, the arc-shaped plate 506 pulls the slide rod 501 to move away from the outer shell 202 through the second roller 505. At this time, the clamping block 502 is separated from the protrusion on the side of the outer shell 202, and the reset spring 503 is compressed. The screw rod 306 drives the connecting rod 302 to move while rotating. The second sliding groove 304 at one end of the connecting rod 302 slides along the connecting rod at the bottom of the outer shell 202. The connecting rod at the bottom of the outer shell 202 slides from one end of the second sliding groove 304 to the other end. Then, the connecting rod 302 drives the outer shell 202 to rotate.

[0047] During the rotation of the outer shell 202 from the vertical state to the horizontal state, the protrusion on the side of the outer shell 202 slides from the inclined surface on the top of the clamping block 502, so that the protrusion on the side of the outer shell 202 moves below the clamping block 502. The clamping block 502 is always located above the protrusion on the side of the outer shell 202 under the pushing of the reset spring 503, so as to fix the outer shell 202 and improve the wind resistance and mechanical stability of the overall structure. It is especially suitable for rainy, windy or cold areas, enhances the adaptability under various weather conditions, and reduces the risk of structural damage.

[0048] Working principle: During the rotation of the outer shell 202 from the horizontal state to the vertical state, the locking mechanism 50 is first driven by the turnover mechanism 30 to release the fixation of the outer shell 202. Then, the turnover mechanism 30 drives the outer shell 202 to rotate by ninety degrees. During the turnover process, the protection mechanism 20 moves the illuminating lamp 203 into the outer shell 202. When the outer shell 202 is turned by ninety degrees, the cover plate 207 is extruded at the opening of the accommodating groove 206 in the outer shell 202 by the extrusion mechanism 40.

[0049] During the rotation of the outer shell 202 from the vertical state to the horizontal state, the outer shell 202 is separated from the extrusion mechanism 40 by reversing the rotation of the turnover mechanism 30. Then, the outer shell 202 is rotated to the horizontal state, so that the illuminating lamp 203 is pushed out of the outer shell 202. When the outer shell 202 is rotated to the horizontal state, the outer shell 202 is locked by the locking mechanism 50.

[0050] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features. The modification or replacement will not change the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An energy-saving lighting device for sports fields, characterized in that, The lamp post (10) includes a hollow lamp post (10), the top of which is provided with a protective mechanism (20) to reduce damage to the lighting device, the top of which is also provided with a flipping mechanism (30) for driving the lighting device to rotate, the top of which is provided with a squeezing mechanism (40) for keeping the protective mechanism (20) in a closed state, and the top of which is provided with a locking mechanism (50) to prevent the protective mechanism (20) from shifting. The protective mechanism (20) includes a cross-shaped mounting base (201) fixedly connected to the top of the lamp post (10). The four corners of the top of the mounting base (201) are rotatably connected to the outer shell (202). Each outer shell (202) has a receiving groove (206) on its side. A lighting lamp (203) is horizontally slidably connected in the receiving groove (206). A pull rod (204) is fixedly connected to the side of the lighting lamp (203). The pull rod (204) is slidably connected to the outer shell (202), and the end of the pull rod (204) away from the lighting lamp (203) extends to the outside of the outer shell (202). A first tension spring (205) is sleeved on the outside of the pull rod (204). One end of the first tension spring (205) is fixedly connected to the side of the lighting lamp (203), and the other end of the first tension spring (205) is fixedly connected to the side of the receiving groove (206).

2. The energy-saving lighting device for a sports field according to claim 1, characterized in that, The protective mechanism (20) further includes a rotating shaft (209) rotatably connected to the side of the outer shell (202), and a cover plate (207) for blocking the opening of the receiving groove (206) is fixedly connected to the outside of the rotating shaft (209).

3. The energy-saving lighting device for a sports field according to claim 2, characterized in that, A torsion spring (208) is also sleeved on the outside of the rotating shaft (209). One end of the torsion spring (208) is fixedly connected to the outside of the rotating shaft (209), and the other end of the torsion spring (208) is fixedly connected to the side of the outer shell (202).

4. The energy-saving lighting device for a sports field according to claim 1, characterized in that, The flipping mechanism (30) includes a ring (301) that is slidably sleeved on the outside of the lamp post (10). Multiple connecting rods (302) are rotatably connected to the outside of the ring (301). Each connecting rod (302) has a second groove (304) at one end away from the ring (301). Each second groove (304) is slidably connected to the bottom of the outer shell (202) through a connecting rod.

5. The energy-saving lighting device for a sports field according to claim 4, characterized in that, The lamp post (10) has a vertical first groove (303) on its side. A crossbar (305) is fixedly connected to the inner side of the ring (301), and the crossbar (305) passes through the first groove (303). A screw (306) is also vertically rotatably connected inside the lamp post (10), and the screw (306) is threadedly connected to the middle of the crossbar (305).

6. The energy-saving lighting device for a sports field according to claim 5, characterized in that, The lamp post (10) is rotatably connected to a rotating rod (309), and a first bevel gear (307) is fixedly connected to the outside of the rotating rod (309). The first bevel gear (307) meshes with a second bevel gear (308), and the second bevel gear (308) is fixedly connected to the bottom of the screw (306). A crank handle (310) is fixedly connected to one end of the rotating rod (309).

7. The energy-saving lighting device for a sports field according to claim 5, characterized in that, The flipping mechanism (30) also includes a first roller (311) fixedly connected to the end of the pull rod (204) away from the lighting lamp (203). The top of the mounting base (201) is also fixedly connected to a pressing block (312). The top of the pressing block (312) has an inclined surface, and the first roller (311) is in rolling connection with the inclined surface of the pressing block (312).

8. The energy-saving lighting device for a sports field according to claim 1, characterized in that, The extrusion mechanism (40) includes a sleeve (401) fixedly connected to the bottom of the mounting base (201). A cavity (402) is provided at the bottom of the sleeve (401). An L-shaped rod (403) is slidably connected inside the cavity (402). A groove (405) for accommodating a cover plate (207) is provided at the top of the horizontal section of the L-shaped rod (403). A second tension spring (404) is also provided inside the cavity (402). One end of the second tension spring (404) is fixedly connected to the sleeve (401), and the other end of the second tension spring (404) is fixedly connected to the top of the vertical section of the L-shaped rod (403).

9. The energy-saving lighting device for a sports field according to claim 1, characterized in that, The locking mechanism (50) includes a slide rod (501) that is horizontally slidably connected to the pressing block (312). A locking block (502) is fixedly connected to one end of the slide rod (501) near the outer shell (202), and the top of the locking block (502) is also provided with an inclined surface. A second roller (505) is fixedly connected to one end of the slide rod (501) away from the locking block (502), and the second roller (505) is perpendicular to the slide rod (501). A return spring (503) is sleeved on the outside of the slide rod (501), and the return spring (503) is located between the locking block (502) and the pressing block (312). A limit block (504) is also fixedly connected to the outside of the slide rod (501), and the limit block (504) is located on the side of the pressing block (312) away from the return spring (503).

10. An energy-saving lighting device for a sports field according to claim 9, characterized in that, The locking mechanism (50) further includes a cross-shaped connecting rod (507) fixedly connected to the top extension end of the screw (306), and an arc plate (506) is fixedly connected to the four corners of the cross-shaped connecting rod (507), and each arc plate (506) is tactilely connected to the second roller (505).

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