A portable floodlight lifting mechanism

Abstract

This utility model discloses a portable floodlight lifting mechanism, including a mounting base for fixing the floodlight. A groove is formed at the bottom of the mounting base, and a foldable lifting assembly is rotatably mounted inside the groove. The lifting assembly includes a rotating frame rotatably mounted on the lower part of the mounting base via a pivot. A lifting rod is rotatably mounted in the middle of the rotating frame, and an extension rod is slidably mounted in the middle of the lifting rod. The rotating frame, lifting rod, and extension rod are foldable and stored inside the groove. The length and height of the folded lifting assembly are less than the length and height of the groove. By designing the lifting assembly as a foldable structure, the rotating frame, lifting rod, and extension rod can be completely stored in the groove at the bottom of the mounting base after folding, with no parts exposed. This effectively simplifies the traditional complex structure, significantly reduces the overall size and weight, and solves the problems of large size and poor portability of existing mechanisms.

Description

Technical Field

[0001] This utility model relates to the field of floodlight technology, specifically a portable floodlight lifting mechanism. Background Technology

[0002] Floodlights play a vital role in many scenarios in modern society. For example, at outdoor construction sites, floodlights are needed to provide sufficient illumination for nighttime operations to ensure construction safety and efficiency; they are also indispensable for the temporary setup of large-scale events.

[0003] Existing floodlight lifting mechanisms have complex structures, large sizes, and poor portability. This results in greater manpower and material resources being required for transportation and carrying, making them unsuitable for scenarios with high portability requirements.

[0004] As in the prior art, Chinese utility model publication CN219102910U discloses a floodlight lifting frame, including a support rod, a lifting assembly, an unfolding assembly, and a support assembly. The lifting assembly is located at the upper end of the support rod, the unfolding assembly is located at the upper part of the lifting assembly, and the support assembly is located at the lower part of the support rod. The lifting assembly includes a housing, a motor, a drive wheel, a secondary wheel, a screw, and a fixing element.

[0005] The cited patent reveals the aforementioned problems in the prior art, thus necessitating a portable floodlight lifting mechanism. Utility Model Content

[0006] The purpose of this utility model is to provide a portable floodlight lifting mechanism. By setting a lifting component that can be folded and stored in the groove at the bottom of the fixed base, the entire lifting mechanism is easy to carry, thereby solving the technical problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A portable floodlight lifting mechanism includes a mounting base for fixing the floodlight, the bottom of which has a groove, and a foldable lifting component is rotatably mounted inside the groove.

[0009] The lifting assembly includes a rotating frame rotatably mounted on the lower part of the fixed base via a rotating shaft. A lifting rod is rotatably mounted in the middle of the rotating frame, and an extension rod is slidably mounted in the middle of the lifting rod. The rotating frame, lifting rod, and extension rod can be folded and stored inside the groove. The length and height of the lifting assembly after folding are less than the length and height of the groove.

[0010] Preferably, the two ends of the rotating frame are respectively connected to the inner wall of the groove and the middle of the lifting rod via rotating shafts, and each set of rotating shafts is provided with a fastener to limit its rotation.

[0011] Preferably, the lifting rod has a lifting groove for installing the extension rod in the middle, and several sets of positioning holes are symmetrically opened on both sides of the lifting groove. Positioning pins matching the positioning holes are movably installed on both sides of the extension rod.

[0012] Preferably, the two side walls of the extension rod are symmetrically provided with two sets of circular grooves, and the positioning pins of each set are connected to the inner wall of the circular grooves by springs.

[0013] Preferably, a fixing ring is installed on the outer wall of the extension rod at the bottom of the lifting rod, and several sets of support plates are rotatably installed on the side wall of the fixing ring.

[0014] Preferably, the upper part of the fixed base is provided with a sliding groove, and a bidirectional screw is rotatably installed in the middle of the sliding groove. One end of the bidirectional screw extends to the outside of the fixed base and is equipped with a knob.

[0015] Preferably, two sets of clamping plates are slidably mounted on the upper part of the fixed base, and sliders that slide in cooperation with the sliding groove are mounted on the bottom of the two sets of clamping plates.

[0016] Preferably, both sets of sliders have threaded holes in their middle sections, and the threaded holes of the two sets of sliders are respectively connected to the two ends of the bidirectional screw.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] By designing the lifting assembly as a foldable structure, its rotating frame, lifting rod, and extension rod can be completely stored in the groove at the bottom of the fixed base after folding, with no parts exposed after folding. This effectively simplifies the traditional complex structure, significantly reduces the overall size and weight, and solves the problems of large size and poor portability of existing mechanisms. When in use, it can be quickly unfolded and the height can be adjusted by sliding positioning, making it easy to operate. When stored, it can be folded in a short time, significantly improving the convenience of transportation and carrying, and reducing the consumption of manpower and material resources. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the bottom structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the lifting component structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of the lifting trough of this utility model;

[0023] Figure 5 This is a schematic diagram showing the internal structure of the circular groove of this utility model.

[0024] In the diagram: 1. Fixed base; 2. Groove; 3. Lifting assembly; 301. Rotating frame; 302. Lifting rod; 303. Extension rod; 304. Fastener; 305. Lifting groove; 306. Positioning hole; 307. Positioning pin; 308. Circular groove; 309. Spring; 310. Fixing ring; 311. Support plate; 4. Slide groove; 5. Two-way screw; 6. Knob; 7. Clamping plate; 8. Slider. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] This utility model provides: a portable floodlight lifting mechanism, such as... Figures 1-5 As shown, the device includes a mounting base 1 for fixing the floodlight. A groove 2 is formed at the bottom of the mounting base 1, and a foldable lifting assembly 3 is rotatably mounted inside the groove 2. The mounting base 1 is the basic component supporting the floodlight, and the groove 2 at its bottom provides storage space for the lifting assembly 3. The lifting assembly 3 is rotatably connected to the mounting base 1 via a pivot, and can be folded completely into the groove 2. Furthermore, its folded dimensions are smaller than the length, width, and height of the groove 2, achieving compact storage with no exposed components.

[0027] The lifting assembly 3 includes a rotating frame 301 rotatably mounted on the lower part of the fixed base 1 via a rotating shaft. A lifting rod 302 is rotatably mounted on the middle of the rotating frame 301, and an extension rod 303 is slidably mounted on the middle of the lifting rod 302. The rotating frame 301, lifting rod 302, and extension rod 303 can be folded and stored inside the groove 2. The length and height of the lifting assembly 3 after folding are less than the length and height of the groove 2. In use, the user can rotate the lifting assembly 3 out of the groove 2, and by rotating the rotating frame 301 and unfolding the lifting rod 302 and extension rod 303, the entire mechanism can be changed from a folded state to an upright support state. When storing, the components are folded in the opposite direction, and the rotational freedom of the rotating frame 301 and the sliding folding characteristics of the lifting rod 302 and extension rod 303 are used to completely store it in the groove 2, significantly reducing the overall volume and making it easy to carry. Through the folding and storage design of the rotating frame 301, lifting rod 302 and extension rod 303, combined with the space integration of the groove 2, the entire lifting mechanism is completely hidden at the bottom of the fixed base 1 when not in operation, with no exposed parts. Compared with traditional telescopic or hand-cranked mechanisms, it significantly reduces the size and weight, making it easy to carry with one hand or put into a backpack.

[0028] Preferably, the two ends of the rotating frame 301 are connected to the inner wall of the groove 2 and the middle of the lifting rod 302 respectively via rotating shafts. Each set of rotating shafts has a fastener 304 at its middle to restrict rotation. The rotating frame 301 can rotate around the rotating shafts to achieve folding or unfolding. The fastener 304 at the middle of each set of rotating shafts restricts the rotation of the shafts. When the lifting assembly 3 is unfolded to the working angle, tightening the fastener 304 locks the relative position of the rotating frame 301 with the groove 2 and the lifting rod 302, ensuring support stability. When unfolding, first loosen the fastener 304, rotate the rotating frame 301 out of the groove 2 and adjust it to a vertical position, then rotate the lifting rod 302 via the rotating shafts to make it support the rotating frame 301 in a straight line. When locking, tighten the fastener 304, using friction to fix the rotating shafts and prevent the rotating frame 301 and the lifting rod 302 from shaking. When storing, reverse the operation, loosen the fastener 304, fold the rotating frame 301 and the lifting rod 302 into the groove 2, and then lock the rotating shaft to fix the folded state.

[0029] Furthermore, the lifting rod 302 has a lifting groove 305 in the middle for mounting the extension rod 303. Several sets of positioning holes 306 are symmetrically formed on both sides of the lifting groove 305. Positioning pins 307 matching the positioning holes 306 are movably mounted on both sides of the extension rod 303. The lifting groove 305 is used to slide the extension rod 303. The positioning holes 306 on its side walls cooperate with the positioning pins 307 on both sides of the extension rod 303 to achieve height positioning. The extension rod 303 can slide up and down within the lifting groove 305. When the positioning pins 307 engage with positioning holes 306 of different heights, the position of the extension rod 303 is locked, thereby adjusting the overall height. When adjusting the height, the user presses the positioning pins 307 to retract them, releasing the lock with the positioning holes 306. The user then slides the extension rod 303 up or down to the target height, releases the positioning pins 307, and under the action of the spring (spring 309 mentioned later), the positioning pins 307 automatically engage with the corresponding positioning holes 306, completing the height fixation.

[0030] Furthermore, two sets of circular grooves 308 are symmetrically formed on both sides of the extension rod 303. Each set of positioning pins 307 is connected to the inner wall of the circular groove 308 via a spring 309. The positioning pins 307 within the circular groove 308 are connected to the inner wall of the groove via the spring 309. The spring 309 provides a continuous outward elastic force, ensuring that the positioning pins 307 remain engaged with the positioning holes 306 of the lifting rod 302, guaranteeing stable height adjustment without loosening. When height adjustment is required, the user applies pressure to overcome the elastic force of the spring 309, pressing the positioning pins 307 into the circular grooves 308, disengaging them from the positioning holes 306. At this point, the extension rod 303 can slide freely.

[0031] It is worth noting that a fixing ring 310 is installed on the outer wall of the extension rod 303 at the bottom of the lifting rod 302. Several sets of support plates 311 are rotatably mounted on the side wall of the fixing ring 310. The fixing ring 310 at the bottom of the outer wall of the extension rod 303 is used to install the support plates 311. Each set of support plates 311 can rotate around the connection point with the fixing ring 310. When unfolded, they support the ground, enhancing the stability of the entire lifting mechanism and preventing tipping due to the weight of the floodlight or external forces. When storing, the support plates 311 are folded inward to fit against the outer wall of the extension rod 303, without occupying extra space and ensuring overall portability.

[0032] Specifically, the upper part of the mounting base 1 has a sliding groove 4, and a bidirectional screw 5 is rotatably mounted in the middle of the sliding groove 4. One end of the bidirectional screw 5 extends to the outside of the mounting base 1 and is fitted with a knob 6. The bidirectional screw 5 inside the sliding groove 4 is driven to rotate by the knob 6. The sliders 8 at the bottom of the clamping plates 7 on both sides slide in engagement with the sliding groove 4 and are threaded to both ends of the bidirectional screw 5. When the knob 6 is rotated, the bidirectional screw 5 drives the sliders 8 on both sides to move towards or away from each other along the sliding groove 4, thereby clamping or releasing the floodlight.

[0033] More specifically, two sets of clamping plates 7 are slidably mounted on the upper part of the fixing base 1, and sliders 8 that slide in conjunction with the sliding groove 4 are installed at the bottom of the two sets of clamping plates 7. When installing the floodlight, the lamp is placed between the two sets of clamping plates 7, and the knob 6 is turned. The double-sided thread of the double-sided screw 5 causes the sliders 8 on both sides to move closer simultaneously, and the clamping plates 7 clamp the lamp. When disassembling, the knob 6 is turned in the opposite direction, and the sliders 8 move the clamping plates 7 away, releasing the lamp. This structure achieves stable clamping through threaded transmission, is suitable for floodlights of different sizes, and is easy to operate, securely fixed, and prevents the lamp from shaking during lifting and lowering.

[0034] Preferably, both sets of sliders 8 have threaded holes in their middle sections, which are respectively connected to the two ends of the bidirectional screw 5. The threaded holes in the middle of the sliders are used to connect with the bidirectional screw 5, and their inner diameter and pitch are precisely matched with the reverse threads at both ends of the screw. The two sets of sliders 8 are respectively fitted onto the two ends of the bidirectional screw 5 through the threaded holes, converting the rotational motion of the knob 6 into the linear motion of the sliders 8. When the knob 6 is turned clockwise, the bidirectional screw 5 rotates clockwise synchronously. The left-hand thread at the left end drives the left slider 8 to move to the right along the slide groove 4, and the right-hand thread at the right end drives the right slider 8 to move to the left, so that the two sets of clamping plates 7 are clamped towards each other. When the knob 6 is turned counterclockwise, the screw rotates in the opposite direction, and the sliders 8 drive the clamping plates 7 to loosen away from each other.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A portable floodlight lifting mechanism, characterized by: The device includes a mounting base (1) for fixing floodlights, and a groove (2) is provided at the bottom of the mounting base (1). A foldable lifting assembly (3) is rotatably installed inside the groove (2). The lifting assembly (3) includes a rotating frame (301) rotatably mounted on the lower part of the fixed base (1) via a rotating shaft. A lifting rod (302) is rotatably mounted on the middle part of the rotating frame (301). An extension rod (303) is slidably mounted on the middle part of the lifting rod (302). The rotating frame (301), the lifting rod (302) and the extension rod (303) can be folded and stored inside the groove (2). The length and height of the lifting assembly (3) after folding are less than the length and height of the groove (2).

2. The portable floodlight lifting mechanism of claim 1, wherein: The two ends of the rotating frame (301) are respectively connected to the inner wall of the groove (2) and the middle of the lifting rod (302) via rotating shafts. Each set of rotating shafts is provided with a fastener (304) for limiting its rotation.

3. The portable floodlight lifting mechanism of claim 1, wherein: The lifting rod (302) has a lifting groove (305) for installing the extension rod (303) in the middle. Several sets of positioning holes (306) are symmetrically opened on both sides of the lifting groove (305). Positioning pins (307) that match the positioning holes (306) are movably installed on both sides of the extension rod (303).

4. A portable floodlight lifting mechanism as claimed in claim 3, wherein: The extension rod (303) has two sets of circular grooves (308) symmetrically opened on both sides. Each set of positioning pins (307) is connected to the inner wall of the circular groove (308) by a spring (309).

5. A portable floodlight lifting mechanism as claimed in claim 4, wherein: The outer wall of the extension rod (303) is fitted with a fixing ring (310) at the bottom of the lifting rod (302), and a number of support plates (311) are rotatably mounted on the side wall of the fixing ring (310).

6. The portable floodlight lifting mechanism of claim 1, wherein: The upper part of the fixed base (1) is provided with a sliding groove (4), and a bidirectional screw (5) is rotatably installed in the middle of the sliding groove (4). One end of the bidirectional screw (5) extends to the outside of the fixed base (1) and a knob (6) is installed thereon.

7. A portable floodlight lifting mechanism as claimed in claim 6, wherein: Two sets of clamping plates (7) are slidably installed on the upper part of the fixed base (1), and sliders (8) that slide in cooperation with the sliding groove (4) are installed at the bottom of the two sets of clamping plates (7).

8. A portable floodlight lifting mechanism as claimed in claim 7, wherein: Both sets of sliders (8) have threaded holes in the middle, and the threaded holes of the two sets of sliders (8) are respectively connected to the two ends of the bidirectional screw (5).

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