Adjustable lamp support

Abstract

The utility model discloses an adjustable lamp support, belongs to the technical field of lamp accessories, and provides the adjustable lamp support which is more labor-saving and faster to operate and comprises a cylinder barrel, a main body of the cylinder barrel is a hollow sleeve, a telescopic rod is inserted into the hollow sleeve, and a straight tooth groove is formed in the side face of the telescopic rod. The end, located outside the hollow sleeve, of the telescopic rod is provided with a hinge frame suitable for being rotationally connected with a lamp body, a through opening is formed in the side wall of the cylinder barrel, the cylinder barrel is rotationally connected with a linkage piece and an adjusting piece outside the through opening, the linkage piece comprises a gear and a worm wheel which are integrated and coaxial, the gear is meshed with the straight tooth groove, and the adjusting piece comprises a worm. By designing the linkage piece structure with the integrated gear and the worm gear, the worm and the worm gear are matched to form a transmission structure which is large in transmission ratio and good in self-locking capacity, and then the gear drives the straight inserting rod structure with the straight tooth groove, so that the height of the lamp installed at the tail end of the straight inserting rod can be adjusted flexibly, stably, rapidly and effortlessly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of lamp accessories, in particular to an adjustable lamp support. BACKGROUND

[0002] In order to improve the flexibility of lamp lighting, an adjustable structure is usually arranged on the lamp support. The existing adjustable structure is mostly plug-in type, which is fixed by screwing. When adjustment is needed, the screw needs to be loosened first, so that the two plug-in parts can move relative to each other. After adjusting to the appropriate distance, one hand needs to hold the moving part, and the other hand needs to tighten the screw until it is fixed. This operation is not only time-consuming but also laborious. SUMMARY

[0003] The purpose of the present application is to provide an adjustable lamp support which is more labor-saving and quick to operate.

[0004] To achieve the above purpose, the present application provides an adjustable lamp support: a cylinder, the main body of the cylinder is a hollow sleeve, a telescopic rod is inserted into the hollow sleeve, a straight tooth groove is formed on the side surface of the telescopic rod, the end of the telescopic rod outside the hollow sleeve is provided with a hinged frame suitable for rotating connection with the lamp body, a through hole is formed on the side wall of the cylinder, a linkage and an adjusting part are rotatably connected outside the through hole, the linkage includes an integral and coaxial gear and worm, the gear is engaged with the straight tooth groove, the adjusting part includes a worm, which is engaged with the worm, and one end of the worm is also fixedly connected with a handle, which can make the worm more labor-saving when rotating.

[0005] As a preferred, the first shaft frame and the second shaft frame are fixedly connected to the edge of the through hole of the cylinder, the end surface of the gear is provided with a coaxial first end shaft suitable for cooperating with the first shaft frame to form a rotating pair, the end surface of the worm is provided with a coaxial second end shaft suitable for cooperating with the second shaft frame to form a rotating pair, which ensures the stability of the linkage.

[0006] As a preferred, the outer side surface of the cylinder is fixedly connected with a constraint frame, the constraint frame includes a fixed plate located below the second shaft frame, the fixed plate is fixedly connected with a shaft sleeve through an inclined cantilever, the two ends of the worm are rotatably connected with the fixed plate and the shaft sleeve respectively, which limits the freedom of the adjusting part.

[0007] As a preferred, one end of the worm is provided with a plug shaft, and the other end is fixedly connected with a handle through a transition shaft, the side surface of the fixed plate is provided with a shaft hole, which is inserted into the plug shaft to form a rotating pair, the transition shaft passes through the shaft sleeve to form a rotating pair, which ensures the position stability of the two ends of the worm.

[0008] As a preferred, one end of the hollow sleeve is open, the other end is connected with a fixed foot plate, the linkage is close to the open end of the hollow sleeve, and the straight insertion rod can be driven in a large distance range.

[0009] As a preferred, four corners of the fixed foot plate are provided with connecting holes, bolts and other connecting members pass through the connecting holes to fix the support.

[0010] As a preferred, the main body part of the telescopic rod is a straight insertion rod, the cross section of the straight insertion rod is a rounded rectangle, one side of the rounded rectangle is a semicircle, the semicircle is tangent to two opposite sides of the rectangle, and the straight tooth groove is arranged on the plane side opposite to the semicircle of the straight insertion rod, so that the straight tooth groove can be conveniently machined, and the width of the straight tooth groove can be larger to disperse stress.

[0011] As a preferred, a rib plate is fixedly connected between the bottom surface of the articulated frame and the plane side of the straight insertion rod, so as to ensure the connection stability of the articulated frame.

[0012] Compared with the prior art, the application has the beneficial effects that:

[0013] (1) the linkage structure with an integrated gear worm wheel is designed, a large transmission ratio is formed by cooperation of the worm and the worm wheel, the transmission structure has good self-locking ability, the gear drives the straight insertion rod structure with the straight tooth groove, and the lamp installed at the end of the straight insertion rod can be flexibly, stably and quickly and labor-savingly adjusted in height;

[0014] (2) the design structure is simple, the layout is reasonable, one-handed operation is facilitated, and the desired adjustment target can be quickly and stably reached. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a perspective view of the adjustable lamp support.

[0016] Figure 2 is a perspective view of the adjustable lamp support. Figure 1 is a partial enlarged view of A of the adjustable lamp support.

[0017] Figure 3 is a perspective view of the cylinder of the adjustable lamp support.

[0018] Figure 4 is a partial enlarged view of B of the adjustable lamp support. Figure 3

[0019] Figure 5 is a planar side view of the linkage of the adjustable lamp support.

[0020] Figure 6 is a perspective view of the adjusting member of the adjustable lamp support. ​

[0021] Figure 7 Figure 1 is a perspective view of the telescopic rod of the adjustable lamp support.

[0022] Figure 1 is a perspective view of the telescopic rod of the adjustable lamp support. Figure 1 is a perspective view of the telescopic rod of the adjustable lamp support. Figure 1 is a perspective view of the telescopic rod of the adjustable lamp support. Figure 1 is a perspective view of the telescopic rod of the adjustable lamp support. DETAILED DESCRIPTION

[0023] Hereinafter, the present application will be further described in conjunction with specific embodiments, and it should be noted that the following described embodiments between or between technical features can be combined to form new embodiments without conflict.

[0024] In the description of the present application, it should be noted that for the orientation words, such as the terms "center", "transverse", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The orientation and positional relationship shown in the drawing is based on the orientation or positional relationship shown in the drawing, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the present application.

[0025] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and do not necessarily have to describe a particular order or sequence.

[0026] The terms "include" and "have" and any variations thereof in the specification and claims of the present application are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to those clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0027] As Figures 1-7The adjustable lamp support shown, including the cylinder 2 made of aluminum alloy material, the main body of the hollow sleeve 201, the hollow sleeve 201 is uniform, the hollow sleeve 201 is open at one end, the other end is connected with the fixed foot plate 205, the four corners of the fixed foot plate 205 are provided with connecting holes 206, which can be used for bolts and other connecting parts to pass through, and the whole lamp support is fixed on the mounting surface, of course, the fixed foot plate 205 can also be not constrained, and the whole lamp support can be normally used by holding the cylinder 2 directly.

[0028] The hollow sleeve 201 is inserted with the telescopic rod 1 also made of aluminum alloy material, the main part of the straight insertion rod 101 is solid, the outer side of the straight insertion rod 101 is usually coated with a small amount of lubricating oil to reduce the resistance of relative sliding with the hollow sleeve 201, the cross section of the straight insertion rod 101 is a rounded rectangle, one side of the rounded rectangle is a semicircle, the other three sides are straight lines, and the semicircle is tangent to the two opposite sides of the rectangle, forming a shape of the whole body connected by the alignment of the rectangle and the semicircle, the end of the telescopic rod 1 outside the hollow sleeve 201 has a hinged frame 103 for rotating connection of the lamp body, and the rotating connection structure of the lamp body is usually in interference fit with the hinged frame 103, so that the lamp body can be stably stayed at the adjusted angle during angle adjustment, and the rib plate 104 is fixedly connected between the bottom surface of the hinged frame 103 and the flat side of the straight insertion rod 101, for improving the connection stability of the hinged frame 103.

[0029] The side wall of the cylinder 2 is provided with a through hole 202 close to the open end of the hollow sleeve 201, and the side surface of the telescopic rod 1 is provided with a straight tooth groove 102, actually, the straight tooth groove 102 is provided on the plane side opposite to the semicircle of the straight insertion rod 101, the cylinder 2 is rotatably connected with the linkage 3 and the adjusting part 4 outside the through hole 202, the linkage 3 includes an integral and coaxial gear 301 and worm wheel 302, since the gear 301 is engaged with the straight tooth groove 102, the linkage 3 close to the open end of the hollow sleeve 201 can make the gear 301 adjust the activity range of the straight insertion rod 101 in a larger range, the first shaft frame 203 and the second shaft frame 204 are fixedly connected with the cylinder 2 at the edge of the through hole 202, the end surface of the gear 301 has a coaxial first end shaft 303, which is matched with the first shaft frame 203 to form a rotating pair, the end surface of the worm wheel 302 has a coaxial second end shaft 304, which is matched with the second shaft frame 204 to form a rotating pair, limiting the degree of freedom of the linkage 3, so as to ensure the stability of the rotation.

[0030] The adjusting piece 4 comprises a worm 402 as a main body, the worm 402 is inclined and engaged with the worm wheel 302, the outer side of the cylinder 2 is fixedly connected with a constraint frame 5, the constraint frame 5 comprises a fixed plate 501 located below the second shaft frame 204, the fixed plate 501 is fixedly connected with the outer side of the hollow sleeve 201, the fixed plate 501 is fixedly connected with a shaft sleeve 504 through an inclined cantilever 503, the axis of the shaft sleeve 504 is parallel to the extension direction of the inclined cantilever 503, both ends of the worm 402 are rotationally matched with the fixed plate 501 and the shaft sleeve 504 respectively, one end of the worm 402 is further fixedly connected with a handle 404, the diameter of the handle 404 is larger, so that the rotation of the worm 402 is more labor-saving, specifically, one end of the worm 402 is provided with a plug shaft 401, the other end is fixedly connected with the handle 404 through a transition shaft 403, the side of the fixed plate 501 is provided with an axle hole 502, the axis of the axle hole 502 is collinear with the axis of the shaft sleeve 504, the axle hole 502 is inserted into the plug shaft 401 to form a rotating pair, the transition shaft 403 passes through the shaft sleeve 504 to form a rotating pair, and the end of the transition shaft 403 passes through and is fixedly connected with the handle 404.

[0031] Working principle: since the lamp body is installed on the articulated frame 103, when the handle 404 is rotated to rotate the worm 402, the worm wheel 302 is slowly rotated with a large transmission ratio, the gear 301 synchronized with the worm wheel 302 drives the engaged straight rod 101 to slide up and down along the inner wall of the hollow sleeve 201, so that the height of the lamp body is adjusted, after the adjustment is completed, since the worm wheel 302 is blocked by the worm 402, even if the telescopic rod 1 has a tendency to slide relative to the cylinder 2 under the force, the worm wheel 302 will not rotate under the self-locking action, so that the stability of the lamp body after the height adjustment is ensured, since the large transmission ratio of the worm wheel 302 and the worm 402 limits the adjustment of the height of the lamp body, the adjustment of the height of the lamp body is very labor-saving, and the lamp body can be adjusted and stabilized at any time, so that the efficiency of the adjustment operation is improved.

[0032] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, the above embodiments and descriptions in the specification are only the principles of the present application, various changes and improvements of the present application can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The protection scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An adjustable light fixture mount, characterized by: The application relates to a cylinder (2) which comprises a hollow sleeve (201) and a telescopic rod (1) inserted into the hollow sleeve (201), wherein a straight-toothed groove (102) is formed in the side surface of the telescopic rod (1), and a hinged frame (103) is arranged at the end of the telescopic rod (1) outside the hollow sleeve (201) and adapted to be rotatably connected with a lamp body; a through hole (202) is formed in the side wall of the cylinder (2), and a linkage (3) and an adjusting member (4) are rotatably connected with the cylinder (2) outside the through hole (202); the linkage (3) comprises an integrated and coaxial gear (301) and worm (302), the gear (301) is engaged with the straight-toothed groove (102), the adjusting member (4) comprises a worm shaft (402) engaged with the worm (302), and one end of the worm shaft (402) is further fixedly connected with a handle (404).

2. The adjustable light fixture mount of claim 1, wherein: The first shaft frame (203) and the second shaft frame (204) are fixedly connected with the edge of the through hole (202) of the cylinder (2), the end surface of the gear (301) is provided with a coaxial first end shaft (303) adapted to form a rotary pair with the first shaft frame (203), and the end surface of the worm (302) is provided with a coaxial second end shaft (304) adapted to form a rotary pair with the second shaft frame (204).

3. The adjustable light fixture mount of claim 2, wherein: The outer side surface of the cylinder (2) is fixedly connected with a constraint frame (5), the constraint frame (5) comprises a fixed plate (501) arranged below the second shaft frame (204), the fixed plate (501) is fixedly connected with a shaft sleeve (504) through an inclined suspension arm (503), and the two ends of the worm shaft (402) are rotatably connected with the fixed plate (501) and the shaft sleeve (504) respectively.

4. The adjustable light fixture mount of claim 3, wherein: One end of the worm shaft (402) is provided with a plug shaft (401), the other end of the worm shaft (402) is fixedly connected with the handle (404) through a transition shaft (403), the side surface of the fixed plate (501) is provided with a shaft hole (502) adapted to form a rotary pair with the plug shaft (401), and the transition shaft (403) passes through the shaft sleeve (504) to form a rotary pair.

5. The adjustable light fixture mount of claim 4, wherein: One end of the hollow sleeve (201) is open, and the other end of the hollow sleeve (201) is connected with a fixed foot plate (205); the linkage (3) is arranged close to the open end of the hollow sleeve (201).

6. The adjustable light fixture mount of claim 5, wherein: The fixed foot plate (205) is provided with a connecting hole (206) at each of the four corners.

7. An adjustable luminaire mount according to any one of claims 1 to 6, wherein: The main body of the telescopic rod (1) is a straight insertion rod (101), the cross section of the straight insertion rod (101) is a rounded rectangle, one side of the rounded rectangle is a semicircular arc, the semicircular arc is tangent to two opposite sides of the rectangle, and the straight-toothed groove (102) is formed in the planar side opposite to the semicircular arc of the straight insertion rod (101).

8. The adjustable light fixture mount of claim 7, wherein: The bottom surface of the hinged frame (103) is fixedly connected with a rib plate (104) between the planar side of the straight insertion rod (101).

Images