Projection lamp convenient to adjust and adjusting method thereof

By installing an adjustable floodlight system on a forklift, the lighting angle and range can be adjusted using a drive motor and transmission gear structure, thus solving the problem of light obstruction caused by fixed installation of floodlights and achieving sufficient and uniform lighting as well as improved safety.

CN121828638APending Publication Date: 2026-04-10CEA ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CEA ELECTRIC CO LTD
Filing Date
2025-11-25
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The fixed installation design of existing forklift floodlights means that the lighting range cannot be adjusted during nighttime operations, affecting the driver's judgment and operational accuracy, and increasing safety hazards.

Method used

Design an easily adjustable floodlight, including a drive component and an illumination component. The angle and range of the floodlight can be adjusted by a drive motor and a transmission gear system. The light is prevented from being blocked by goods by an adjustment arm and a reel structure.

Benefits of technology

It effectively prevents the floodlight beam from being blocked by goods, provides sufficient and uniform light coverage, improves operational accuracy and safety, reduces driving operation hazards, and enhances nighttime operation efficiency and safety.

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Abstract

The invention relates to the field of forklift project lamps, and discloses a project lamp convenient to adjust and an adjusting method thereof.The project lamp convenient to adjust comprises a driving component, the upper portion of the driving component is movably provided with an illumination component, and the illumination component is used for providing illumination in the forklift running process and meanwhile can adjust the illumination angle and range according to needs; according to the forklift, the adjustable projection lamp is arranged at one end of the forklift, the illumination angle and range of the projection lamp can be adjusted according to use requirements when the forklift carries goods, and therefore the use requirements of a driver are met.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of forklift light, in particular to a light for forklift and a method for adjusting the light. BACKGROUND

[0002] The light for forklift currently configured is generally fixedly installed on the outer surface of the front end column, which exposes obvious inconvenience in the night operation scene, and the specific disadvantages are as follows: Firstly, from the operation practicability, when the forklift carries large-area and large-volume goods, the goods are easy to interfere with the light for forklift on the outer surface of the front end column, so that the light propagation path of the light for forklift is blocked by the goods, the lighting area appears obvious shadow or the lighting range is greatly reduced, the light for forklift cannot provide sufficient and uniform light for the operation area, and the judgment and operation accuracy of the driver in the night are seriously affected.

[0003] Secondly, from the safety risk angle, the fixed and unadjustable lighting range significantly increases the driving operation risk, for example, the surrounding equipment and personnel may be collided due to the visual blind area, or the goods may be placed deviatedly and loaded and unloaded incorrectly due to unclear lighting, which not only reduces the operation efficiency, but also may cause safety accidents. In summary, the fixed installation design of the light for forklift cannot adapt to the operation demand of carrying large-area goods in the night, which brings great inconvenience to the operation of the driver and is difficult to guarantee the operation safety, and optimization and improvement need to be made for the installation mode or the light body design. SUMMARY

[0004] The present application aims to provide a light for forklift and a method for adjusting the light, and solve the following technical problem: how to adjust the lighting angle of the light for forklift according to the use demand.

[0005] The present application can be realized by the following technical scheme: a light for forklift, comprising a driving component, an upper part of the driving component movably provided with a lighting component, the lighting component being used for providing lighting in the running process of the forklift and being capable of adjusting the lighting angle and range according to the demand; the driving component being used for providing power for the running of the lighting component and being capable of providing stable support for the lighting component; the lighting component comprising two groups of adjusting arms and a winding disc, the bottom of the two groups of adjusting arms being connected with transmission gears meshing with each other, the side surface center of the transmission gear being provided with a first transmission rod, the outer surface of one of the transmission gears being provided with a first bevel gear, the outer surface of the adjusting arm being uniformly provided with a limiting ring, the outer surface of the winding disc being wound with a connecting rope, and the top center of the winding disc being provided with a driven gear; The top end of the adjusting arm is fixedly connected with a limiting box, a projection lamp is rotatably installed on the top of the limiting box, a first limiting shaft sleeve is fixedly connected with the side end of the limiting box, a transmission rod is rotatably installed in the first limiting shaft sleeve, reset torsion springs are sleeved with the outer surfaces of the two ends of the transmission rod, a second winding disc is arranged on the middle part of the transmission rod, transmission sprockets are arranged at the two ends of the transmission rod and the projection lamp, the outer surfaces of the transmission sprockets are engaged with transmission chains, and wires are fixedly connected with the back center of the projection lamp.

[0006] As a preferred scheme of the present application: the driving component comprises a support frame, a driving motor is vertically fixedly installed in the inside of the support frame, a second bevel gear is fixedly connected with the top of the driving motor, a limiting shaft hole is symmetrically formed in the middle top outer surface of the support frame, a second limiting shaft sleeve is arranged on the middle top outer surface of the support frame and at the edge of the limiting shaft hole, a rotating shaft is rotatably clamped with the middle part of one end of the top surface of the support frame, a driving gear is fixedly installed in the middle part of the rotating shaft, a limiting sleeve is slidably sleeved with the top outer surface of the rotating shaft, a clasp ring is arranged on the outer surface of the limiting sleeve, a positioning frame is movably sleeved with the outer surface of the clasp ring, a rotating disc is fixedly connected with the top end of the limiting sleeve, a pull rod is slidably inserted with the top of the support frame and at the edge of the driving gear, a tension spring is sleeved with the outer surface of the pull rod, and a positioning tooth block which is clamped with the driving gear is fixedly connected with one end of the pull rod.

[0007] As a preferred scheme of the present application: the wires are connected with the hollow adjusting arm, and the upper and lower ends of the winding disc are rotatably clamped with the upper part of the support frame through the second limiting shaft sleeve.

[0008] As a preferred scheme of the present application: the driving motor is engaged with the first bevel gear through the second bevel gear on the top, and one end of the positioning frame is clamped with the transmission gear.

[0009] As a preferred scheme of the present application: the rotating shaft is engaged with the two groups of driven gears through the driving gear in the middle part, and the pull rod is clamped with the driving gear through the positioning tooth block at one end.

[0010] As a preferred scheme of the present application: the tension spring abuts against the driving gear on the outer surface of the pull rod, and the limiting sleeve is rotatably clamped with one end of the positioning frame through the clasp ring on the outer surface.

[0011] As a preferred scheme of the present application: the outer surface of the rotating shaft is provided with clamping teeth, and the rotating shaft is slidably inserted with the bottom of the limiting sleeve through the clamping teeth on the outer surface.

[0012] A kind of adjusting method of adjustable spotlight, comprising: Step one, first support frame is connected with the front end of forklift by screw, and drive motor and spotlight are connected with forklift power supply; Step two, when forklift works at night, the lighting angle of spotlight can be adjusted according to needs, first control drive motor rotation operation, drive top connection first helical gear rotation, first helical gear drives transmission gear rotation, so that two groups of transmission gear are synchronously deflected outward, so that two groups of spotlight are driven away from each other by adjusting arm, so as to avoid light being blocked when handling large goods; Step three, the two groups of connecting ropes can be reeled in by rotating the turntable, driving the spotlight to rotate at the end of the adjusting arm, so as to adjust the lighting angle and expand the illumination range, which is convenient for the driver to observe the road conditions.

[0013] The beneficial effects of the present application are: (1) the present application is installed adjustable spotlight in the front end of forklift, and the spotlight can be deflected to both sides by adjusting arm, and the lighting angle of spotlight can be adjusted after position deflection adjustment, so that the lighting position of spotlight can be effectively avoided to form spatial interference with large area and large volume goods, and the light propagation path of spotlight is no longer blocked by goods, which can provide sufficient and uniform light coverage for the working area, the illumination range is stable and there is no obvious shadow, which helps the driver to accurately judge the details of night work, significantly improves the operation accuracy and work efficiency, secondly, from the perspective of safety enhancement, the dual advantages of clear vision and sufficient illumination can greatly reduce the driving operation risk, the driver does not need to worry about colliding with surrounding equipment or personnel due to vision blind area, and can also avoid problems such as goods placement deviation, loading and unloading error caused by unclear illumination, which can not only ensure the safety of personnel and equipment during operation, but also reduce the loss of goods caused by operation error, further improve the safety and stability of night work. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application will be further described below in conjunction with the drawings.

[0015] Figure 1 For the structure diagram of adjustable spotlight; Figure 2 For the structure diagram of lighting component; Figure 3 For Figure 2 For the structure diagram of local amplification in B; Figure 4 For the structure diagram of drive component; Figure 5 For Figure 4 For the structure diagram of local amplification in A; Figure 6Fig. 1 is a schematic view of the bottom structure of the driving component. BRIEF DESCRIPTION OF DRAWINGS 1, lighting component; 11, adjusting arm; 12, connecting rope; 13, spotlight; 14, driven gear; 15, winding disc; 16, transmission rod; 17, first bevel gear; 18, transmission gear; 19, limiting ring; 111, wire; 112, reset torsion spring; 113, second winding disc; 114, first limiting shaft sleeve; 115, transmission rod; 116, transmission sprocket; 117, transmission chain; 118, limiting frame; 2, driving component; 21, second bevel gear; 22, limiting shaft hole; 23, positioning frame; 24, rotating disc; 25, second limiting shaft sleeve; 26, driving motor; 27, support frame; 28, connecting plate; 29, snap ring; 210, limiting sleeve; 211, rotating shaft; 212, positioning tooth block; 213, tension spring; 214, pull rod; 215, driving gear. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all 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 labor fall within the scope of protection of the present application.

[0018] Please refer to Figures 1-6 As shown in the drawings, the present application is a spotlight convenient to adjust, which comprises a driving component 2, the upper part of the driving component 2 movably provided with a lighting component 1, the lighting component 1 used for providing lighting during the operation of a forklift, and capable of adjusting the lighting angle and range as needed; the driving component 2 used for providing power for the operation of the lighting component 1, and capable of providing stable support for the lighting component 1; The lighting component 1 comprises two groups of adjusting arms 11 and winding discs 15, and the bottom of the two groups of adjusting arms 11 is connected with transmission gears 18 meshing with each other, the side surface center of the transmission gears 18 is provided with a first transmission rod 16, the outer surface of one of the transmission gears 18 is provided with a first bevel gear 17, the outer surface of the adjusting arm 11 is uniformly provided with a limiting ring 19, the outer surface of the winding disc 15 is wound with a connecting rope 12, and the top center of the winding disc 15 is provided with a driven gear 14; The top end of the adjusting arm 11 is fixedly connected with a limiting box 118, the top of the limiting box 118 is rotatably installed with a light projector 13, the side end of the limiting box 118 is fixedly connected with a first limiting shaft sleeve 114, the inside of the first limiting shaft sleeve 114 is rotatably installed with a transmission rod 115, the outer surfaces of the two ends of the transmission rod 115 are sleeved with reset torsional springs 112, the middle part of the transmission rod 115 is provided with a second winding disc 113, the two ends of the transmission rod 115 and the light projector 13 are provided with transmission sprockets 116, the outer surfaces of the transmission sprockets 116 are engaged with transmission chains 117, and the back center of the light projector 13 is fixedly connected with a wire 111.

[0019] The driving component 2 comprises a support frame 27, the inside of the support frame 27 is vertically fixedly installed with a driving motor 26, the top of the driving motor 26 is fixedly connected with a second bevel gear 21, the middle top outer surface of the support frame 27 is symmetrically provided with a limiting shaft hole 22, the middle top outer surface of the support frame 27 and the edge of the limiting shaft hole 22 are provided with a second limiting shaft sleeve 25, the middle top of the support frame 27 is rotatably clamped with a rotating shaft 211, the middle part of the rotating shaft 211 is fixedly installed with a driving gear 215, the top outer surface of the rotating shaft 211 is slidably sleeved with a limiting sleeve 210, the outer surface of the limiting sleeve 210 is provided with a clasp ring 29, the outer surface of the clasp ring 29 is movably sleeved with a positioning frame 23, the top end of the limiting sleeve 210 is fixedly connected with a rotating disc 24, the top of the support frame 27 and the edge of the driving gear 215 are slidably inserted with a pull rod 214, the outer surface of the pull rod 214 is sleeved with a tension spring 213, one end of the pull rod 214 is fixedly connected with a positioning tooth block 212 clamped with the driving gear 215; The transmission gear 18 is rotatably clamped with the limiting shaft hole 22 through the first transmission rod 16, can limit the rotation of the transmission gear 18, ensures the stable deflection of the transmission gear 18, one end of the connecting rope 12 penetrates through the limiting ring 19 and is wound on the outer surface of the second winding disc 113, can limit the sliding of the connecting rope 12, the two ends of the reset torsional spring 112 are fixedly connected with the first limiting shaft sleeve 114 and one end of the transmission rod 115 respectively, the elastic force of the reset torsional spring 112 can provide power for the reset of the light projector 13, the wire 111 is insertedly connected with the hollow adjusting arm 11, protects the wire 111, the upper and lower ends of the winding disc 15 are rotatably clamped with the upper part of the support frame 27 through the second limiting shaft sleeve 25, can limit the rotation of the winding disc 15.

[0020] The driving motor 26 is engaged with the first bevel gear 17 through the second bevel gear 21 at the top, can drive the transmission gear 18 to reciprocatingly deflect, the positioning frame 23 is clamped at one end with the transmission gear 18, can play the positioning reinforcing effect to the position of transmission gear 18 after deflection, the shaft 211 is engaged with the two groups of driven gears 14 through the driving gear 215 at the middle, can control the synchronous rotation of the two groups of driven gears 14 when rotating the turntable 24, the pull rod 214 is clamped at one end with the driving gear 215 through the positioning tooth block 212 on the outer surface, can play the positioning effect to the driving gear 215, the tension spring 213 is abutted on the outer surface of the pull rod 214 with the driving gear 215, can ensure that the positioning tooth block 212 is clamped with the driving gear 215, the limiting sleeve 210 is rotatably clamped inside one end of the positioning frame 23 through the clasp 29 on the outer surface, can drive the positioning frame 23 to ascend and descend while not being affected by self-rotation, the outer surface of the shaft 211 is provided with clamping teeth, the shaft 211 is slidingly inserted into the bottom of the limiting sleeve 210 through the clamping teeth on the outer surface, can make the limiting sleeve 210 ascend and descend while driving the shaft 211 to synchronously rotate.

[0021] A kind of adjusting method of projection lamp convenient to adjust, comprising: Step one, first using screw to fasten the connecting plate 28 at both ends of support frame 27 with the front end frame of forklift, then drive motor 26 and projection lamp 13 wire 111 are electrically connected with forklift, to facilitate staff to control the operation of drive motor 26 and projection lamp 13; Step two, when forklift works at night, when carrying large goods lighting is limited, the lighting angle of projection lamp 13 can be adjusted as needed, first pull the rotating disc 24 to drive the positioning frame 23, so that the positioning frame 23 is separated from the transmission gear 18 outside one end, then control the driving motor 26 to rotate and operate, so that it drives the top second bevel gear 21 to rotate, and the first bevel gear 17 connected at the top rotates, and the first transmission rod 16 and the transmission gear 18 are synchronously rotated by the first bevel gear 17, since the two groups of transmission gears 18 are engaged with each other, the two groups of transmission gears 18 are synchronously and reversely rotated, while the two groups of transmission gears 18 are synchronously and outwardly deflected, the end connected projection lamp 13 will be synchronously deflected through the externally connected adjusting arm 11, the distance between the two groups of projection lamps 13 is expanded, so as to adjust the lighting position of projection lamp 13, until the projection lamp 13 is deflected beyond the folded position of the carried goods, so that the inside of the projection lamp 13 normally illuminates the front, so that the driver can see the road conditions on both sides and in front of him; Step three, then press the dial 24 to drive the positioning frame 23 down, and make the positioning frame 23 one end of the bottom and the upper part of the rotating transmission gear 18 meshing clamping, and pull the pull rod 214 drive tension spring 213 and drive gear 215 separate, at the same time, the positioning tooth block 212 extrusion tension spring 213 shrink, then the driver rotates the dial 24 through the rotating shaft 211 drive gear 215 rotation, at the same time, the drive gear 215 will drive the outer surface meshing two groups of driven gear 14 synchronous rotation, so that the driven gear 14 drive winding disc 15 on the connection rope 12 winding, at the same time the second winding disc 113 in traction on the adjustment arm 11 winding, at the same time the second winding disc 113 will be through both ends of the transmission sprocket 116 and transmission chain 117 drive rotating connected light 13 in the limit frame 118 one end deflection, adjust the illumination angle of the light 13, so as to further adjust the illumination range and angle of the light 13, the driver can observe the road conditions in front of and both sides, after the forklift completes the handling work, or not to the large cargo handling, need to reset the light 13, first control the positioning frame 23 rise and drive gear 18 separate, then start the drive motor 26 reverse rotation operation, drive adjustment arm 11 and light 13 reset deflection to the initial position, finally reverse rotation dial 24 drive light 13 in the top of the adjustment arm 11 reset deflection can.

[0022] The above detailed description of the preferred embodiment of the present application, but the content is only the preferred embodiment of the present application, can not be considered for limiting the scope of the present application. Any equivalent changes and improvements made in accordance with the scope of the present application, should still belong to the scope of the present application.

Claims

1. A conveniently adjustable spot light comprising a driving part (2), characterized in that, The upper part of the driving component (2) is movably provided with the lighting component (1), which is used for providing lighting during the operation of the forklift, and can adjust the lighting angle and range as needed; the driving component (2) is used for providing power for the operation of the lighting component (1), and can provide stable support for the lighting component (1); The lighting component (1) comprises two groups of adjusting arms (11) and a winding disc (15), and the bottoms of the two groups of adjusting arms (11) are connected with transmission gears (18) that are engaged with each other, the side surfaces of the transmission gears (18) are provided with first transmission rods (16) at the centers, the outer surfaces of one group of transmission gears (18) are provided with first bevel gears (17), the outer surfaces of the adjusting arms (11) are uniformly provided with limiting rings (19), and the outer surface of the winding disc (15) is wound with a connecting rope (12); and the top center of the winding disc (15) is provided with a driven gear (14); The top end of the adjusting arm (11) is fixedly connected with a limiting frame (118), the top of the limiting frame (118) is rotatably installed with a projection lamp (13), the side end of the limiting frame (118) is fixedly connected with a first limiting shaft sleeve (114), the inside of the first limiting shaft sleeve (114) is rotatably installed with a transmission rod (115), the outer surfaces of the two ends of the transmission rod (115) are sleeved with return torsional springs (112), the middle part of the transmission rod (115) is provided with a second winding disc (113), the two ends of the transmission rod (115) and the projection lamp (13) are provided with transmission sprockets (116), the outer surfaces of the transmission sprockets (116) are engaged with transmission chains (117), and the back center of the projection lamp (13) is fixedly connected with a wire (111).

2. A readily adjustable downlight according to claim 1, wherein, The driving component (2) comprises a support frame (27), the inside of the support frame (27) is vertically fixedly installed with a driving motor (26), the top of the driving motor (26) is fixedly connected with a second bevel gear (21), the middle top outer surface of the support frame (27) is symmetrically provided with a limiting shaft hole (22), the middle top outer surface of the support frame (27) and located at the edge of the limiting shaft hole (22) is provided with a second limiting shaft sleeve (25), one end of the top surface of the support frame (27) is rotatably clamped with a rotating shaft (211), the middle part of the rotating shaft (211) is fixedly installed with a driving gear (215), the top outer surface of the rotating shaft (211) is slidably sleeved with a limiting sleeve (210), the outer surface of the limiting sleeve (210) is provided with a clamping ring (29), the outer surface of the clamping ring (29) is movably sleeved with a positioning frame (23), the top end of the limiting sleeve (210) is fixedly connected with a rotating disc (24), the top of the support frame (27) and located at the edge of the driving gear (215) is slidably inserted with a pull rod (214), the outer surface of the pull rod (214) is sleeved with a tension spring (213), one end of the pull rod (214) is fixedly connected with a positioning tooth block (212) that is clamped with the driving gear (215); The transmission gear (18) is rotationally connected with the limiting shaft hole (22) through the first transmission rod (16), one end of the connecting rope (12) penetrates through the limiting ring (19) and is wound on the outer surface of the second winding disc (113), and the two ends of the reset torsion spring (112) are fixedly connected with the first limiting shaft sleeve (114) and the one end of the transmission rod (115) respectively.

3. A readily adjustable downlight according to claim 2, wherein, The wire (111) is connected with the hollow adjusting arm (11), and the upper and lower ends of the winding disc (15) are rotationally connected with the upper part of the supporting frame (27) through the second limiting shaft sleeve (25).

4. A readily adjustable downlight according to claim 3, wherein, The driving motor (26) is engaged with the first bevel gear (17) through the second bevel gear (21) on the top, and the positioning frame (23) is connected with the transmission gear (18) at one end.

5. A readily adjustable downlighting luminaire according to claim 4, wherein, The rotating shaft (211) is engaged with the two groups of driven gears (14) through the driving gear (215) in the middle, and the pull rod (214) is connected with the driving gear (215) through the positioning tooth block (212) at one end.

6. A readily adjustable downlight according to claim 5, wherein, The tension spring (213) is in abutment with the driving gear (215) on the outer surface of the pull rod (214), and the limiting sleeve (210) is rotationally connected with the one end of the positioning frame (23) through the clasp (29) on the outer surface.

7. A readily adjustable downlighting luminaire according to claim 6, wherein, The rotating shaft (211) is provided with clamping teeth on the outer surface, and the rotating shaft (211) is slidingly connected with the bottom of the limiting sleeve (210) through the clamping teeth on the outer surface.

8. A method of adjusting a conveniently adjustable floodlight using the conveniently adjustable floodlight of claim 7, wherein, Comprising: Step one, first connect the supporting frame (27) with the front end of the forklift through screws, and connect the driving motor (26) and the projection lamp (13) with the forklift; Step two, when the forklift works at night, the lighting angle of the projection lamp (13) can be adjusted as needed, first control the driving motor (26) to rotate and run, drive the top connected first bevel gear (17) to rotate, the first bevel gear (17) drives the transmission gear (18) to rotate, so that the two groups of transmission gears (18) are synchronously deflected outward, so that the two groups of projection lamps (13) are driven away from each other by the adjusting arm (11), so as to avoid the light being blocked when carrying large goods; Step three, at the same time, the two groups of connecting ropes (12) can be wound by rotating the rotating disc (24), driving the projection lamp (13) to rotate at the end of the adjusting arm (11), so as to adjust the lighting angle and expand the illumination range, which is convenient for the driver to observe the road conditions.