Detachable street lamp cantilever

Abstract

The utility model relates to the technical field of solar street lamps, in particular to a detachable street lamp cantilever arm which comprises a cross arm and a vertical arm, a mounting plate is welded to the lower end of the cross arm, an inclined through hole is formed in the side face of the cross arm in a penetrating mode, the vertical arm is inserted into the through hole, and a first fixing plate is welded to the right end of the vertical arm. According to the detachable street lamp cantilever arm, the cross arm and the vertical arm can be detached and installed, transportation is more convenient, during installation, the arc-shaped plate on the rear side is pulled outwards and rotated by 90 degrees, the vertical arm is obliquely inserted into the cross arm, then the arc-shaped plate is rotated by 90 degrees, the arc-shaped plate is loosened, installation can be completed, tools are not needed, installation is more convenient and faster, and installation is more convenient and faster compared with nut screwing.

Description

TECHNICAL FIELD

[0001] The utility model relates to solar street lamp technical field especially relates to a detachable road lamp cantilever. BACKGROUND

[0002] Solar street lamp usually is composed of street lamp head, stand and cantilever, street lamp head is installed on one end of cantilever, cantilever is installed on stand, and solar panel is installed on the other end of cantilever, but the cantilever of existing street lamp is integral type structure, and inconvenient exists in the transportation process, and transportation cost is also improved simultaneously. The detachable road lamp cantilever of the prior application No. CN201921848963.1 includes mounting plate, cross arm and vertical pole, one end of the cross arm is installed on the mounting plate through the first detachable structure ……The detachable structure is used to assemble each component of the road lamp cantilever, and the detachable structure can facilitate disassembly, reduce transportation difficulty and transportation cost. But when installing, it needs to be fixed through two groups of bolts and nuts, and needs to be installed by wrench, which is not convenient and fast. SUMMARY

[0003] The utility model aims at solving the shortcomings in the prior art and provides a detachable road lamp cantilever.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A detachable road lamp cantilever is designed, which comprises a cross arm and a vertical pole, a mounting plate is welded to the lower end of the cross arm, an inclined through hole is formed in the side surface of the cross arm, the vertical pole is inserted into the through hole, a first fixing plate is welded to the right end of the vertical pole, through holes are formed in the front and rear outer walls of the cross arm, pins are inserted into the through holes, an arc-shaped plate is fixed to one end of the pin on the outer side of the cross arm, one pair of pins are inserted into the vertical pole and extend into the vertical pole at one end close to each other, a ring groove is formed in the outer wall of the pin, a push plate is rotatably arranged in the ring groove, a spring is arranged on the outer wall of the pin, the two ends of the spring abut against the push plate and the cross arm respectively, and the two push plates are connected by a synchronous device.

[0006] Preferably, the one end close to each other of the two pins is chamfered.

[0007] Preferably, the synchronous device comprises a limiting sleeve and a synchronous rod, the vertical pole is slidably arranged in the limiting sleeve which can only move up and down through a guide device, the limiting sleeve is rotatably connected with the synchronous rod through a hinged device on the two outer walls, and the upper ends of the two synchronous rods are rotatably connected with the two push plates through the hinged device.

[0008] Preferably, the guide device comprises a second fixed plate, a limiting column, the inner wall of the cross arm is fixedly provided with the second fixed plate below, the top of the second fixed plate is fixedly provided with the limiting column, and the outer wall of the limiting column is sleeved with the limiting sleeve.

[0009] Preferably, the hinge device comprises a vertical plate and a hinge horizontal shaft, a pair of vertical plates are fixedly arranged on the outer wall of the limiting sleeve and the bottom of the push plate, and the hinge horizontal shaft is fixedly arranged between the pair of vertical plates, and the outer wall of the hinge horizontal shaft is rotationally connected with the synchronous rod.

[0010] Preferably, the outer wall of the cross arm is coated with a silica gel coating layer capable of reducing water penetration.

[0011] Preferably, the front end surface of the arc-shaped plate is fixedly provided with a support plate, and the outer wall of the cross arm is provided with a vertical groove matched with the support plate.

[0012] The detachable road lamp cantilever has the advantages that: the detachable road lamp cantilever can be disassembled and assembled on the cross arm and the vertical arm, is convenient to transport, and can be assembled by rotating the outer push side arc-shaped plate by 90 degrees, inserting the vertical arm into the cross arm, rotating the arc-shaped plate by 90 degrees, and then loosening the arc-shaped plate, so that the assembly is more convenient without tools, and the assembly is more convenient and faster than screwing the nut. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model provides a detachable road lamp cantilever's structural schematic diagram;

[0014] Figure 2 The utility model provides a detachable road lamp cantilever's internal structure schematic diagram;

[0015] Figure 3 The utility model provides a detachable road lamp cantilever's A area close -up view;

[0016] Figure 4 The utility model provides a detachable road lamp cantilever's sectional structure schematic diagram;

[0017] Figure 5 The utility model provides a detachable road lamp cantilever's B area close -up view.

[0018] In the drawing: 1, mounting plate;2, cross arm;3, vertical arm;4, first fixed plate;5, pin;6, push plate;7, spring;8, arc-shaped plate;9, support plate;10, synchronous rod;11, second fixed plate;12, limiting column;13, limiting sleeve;14, vertical plate;15, hinge horizontal shaft. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely part of the embodiments of the present application, but not all the embodiments.

[0020] With reference to Figures 1-5 The detachable street lamp cantilever arm comprises a cross arm 2, a vertical arm 3, a mounting plate 1 welded at the lower end of the cross arm 2, a through hole obliquely arranged and penetrating through the side surface of the cross arm 2, the vertical arm 3 inserted into the through hole, a first fixing plate 4 welded at the right end of the vertical arm 3, a through hole arranged on the outer wall of the front and rear sides of the cross arm 2, a pin 5 inserted into the through hole, an arc-shaped plate 8 fixed at one end of the pin 5 located on the outer side of the cross arm 2, one end of the pair of pins 5 close to each other penetrating through the vertical arm 3 and extending into the vertical arm 3, a ring groove arranged on the outer wall of the pin 5, a push plate 6 rotatably arranged in the ring groove, a spring 7 sleeved on the outer wall of the pin 5, and the two ends of the spring 7 abutting against the push plate 6 and the cross arm 2 respectively, and the two push plates 6 connected through a synchronous device.

[0021] One end of the pair of pins 5 close to each other is arranged with a chamfer.

[0022] The synchronous device comprises a limiting sleeve 13 and a synchronous rod 10, the vertical arm 3 is slidably arranged below the limiting sleeve 13 which can only move up and down through a guide device, the limiting sleeve 13 is rotatably connected with the synchronous rod 10 through a hinged device on the outer wall of the two sides, and the upper ends of the two synchronous rods 10 are rotatably connected with the two push plates 6 through the hinged device.

[0023] The guide device comprises a second fixing plate 11 and a limiting column 12, the inner wall of the cross arm 2 is fixedly provided with the second fixing plate 11 located below the vertical arm 3, the top of the second fixing plate 11 is fixedly provided with the limiting column 12, and the outer wall of the limiting column 12 is sleeved with the limiting sleeve 13.

[0024] The hinged device comprises a vertical plate 14 and a hinged horizontal shaft 15, the outer wall of the two sides of the limiting sleeve 13 and the bottom of the push plate 6 are fixedly provided with a pair of vertical plates 14, and the hinged horizontal shaft 15 is fixedly arranged between the pair of vertical plates 14, and the outer wall of the hinged horizontal shaft 15 is rotatably connected with the synchronous rod 10.

[0025] The outer wall of the arc-shaped plate 8 close to the cross arm 2 is coated with a silica gel coating for reducing water infiltration.

[0026] The front end surface of the arc-shaped plate 8 is fixedly provided with a supporting plate 9, and the outer wall of the cross arm 2 is arranged with a vertical groove matched with the supporting plate 9.

[0027] Working principle: when installing, the arc-shaped plate 8 is pulled out from the rear side, the pin 5 is pulled out and rotated 90 degrees, then the supporting plate 9 is released to abut against the cross arm 2, then the vertical arm 3 is inserted into the cross arm 2 obliquely, then the arc-shaped plate 8 is rotated 90 degrees to release the arc-shaped plate 8, the push plate 6 pushes the pin 5 to insert into the vertical arm 3 under the action of the spring 7, the assembly of the cross arm 2 and the vertical arm 3 is completed; when one push plate 6 moves, the bottom synchronous rod 10 upper end of the push plate 6 moves synchronously and the bottom synchronous rod 10 lower end and the limiting sleeve 13 are lifted, the limiting sleeve 13 drives the other side synchronous rod 10 lower end to lift, so that the other side synchronous rod 10 upper end and the other side push plate 6 move synchronously and symmetrically, so that the two pins 5 can be inserted and pulled out synchronously, only the rear arc-shaped plate 8 needs to be inserted and pulled out, and the installation can be completed.

[0028] The detachable street lamp cantilever not only can disassemble and install the cross arm 2 and the vertical arm 3, but also is convenient for transportation, when installing, the rear arc-shaped plate 8 is pulled out and rotated 90 degrees, the vertical arm 3 is inserted into the cross arm 2 obliquely, then the arc-shaped plate 8 is rotated 90 degrees to release the arc-shaped plate 8, and the installation can be completed, without the need of tools, so that the installation is more convenient, and the installation is more convenient and faster than the screwing of the nut.

[0029] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model makes equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A detachable street light cantilever arm comprising a cross arm (2), a vertical arm (3), characterized in that, The lower end of the cross arm (2) is welded with a mounting plate (1), the side of the cross arm (2) is provided with a through hole which is obliquely arranged, and the vertical arm (3) is inserted into the through hole, the right end of the vertical arm (3) is welded with a first fixing plate (4), the front and rear sides of the cross arm (2) are provided with through holes, and the pin (5) is inserted into the through hole, one end of the pin (5) located outside the cross arm (2) is fixedly provided with an arc-shaped plate (8), one end of the pin (5) close to each other penetrates the vertical arm (3) and extends into the vertical arm (3), the outer wall of the pin (5) is provided with a ring groove, and the push plate (6) is rotatably arranged in the ring groove, the outer wall of the pin (5) is provided with a spring (7), and the two ends of the spring (7) abut against the push plate (6) and the cross arm (2) respectively, and the two push plates (6) are connected by a synchronous device.

2. A demountable lamppost cantilever according to claim 1, wherein, One end of the pin (5) close to each other is provided with a chamfer.

3. A demountable lamppost cantilever arm according to claim 1, wherein, The synchronous device comprises a limiting sleeve (13) and a synchronous rod (10), the vertical arm (3) is slidably arranged below the limiting sleeve (13) which can only move up and down through a guide device, the outer walls of the limiting sleeve (13) on both sides are rotatably connected with the synchronous rod (10) through a hinged device, and the upper ends of the two synchronous rods (10) are rotatably connected with the two push plates (6) through the hinged device.

4. A demountable lamppost cantilever arm according to claim 3, wherein, The guide device comprises a second fixing plate (11) and a limiting column (12), the inner wall of the cross arm (2) is fixedly provided with the second fixing plate (11) which is located below the vertical arm (3), the top of the second fixing plate (11) is fixedly provided with the limiting column (12), and the outer wall of the limiting column (12) is sleeved with the limiting sleeve (13).

5. A demountable lamppost cantilever arm according to claim 3, wherein, The hinged device comprises a vertical plate (14) and a hinged horizontal shaft (15), the outer walls of the limiting sleeve (13) on both sides and the bottom of the push plate (6) are fixedly provided with a pair of vertical plates (14), and the hinged horizontal shaft (15) is fixedly arranged between the pair of vertical plates (14), and the outer wall of the hinged horizontal shaft (15) is rotatably connected with the synchronous rod (10).

6. A demountable light pole arm according to claim 1, wherein, The outer wall of the arc-shaped plate (8) close to the cross arm (2) is coated with a silica gel coating which can reduce water infiltration.

7. A demountable light pole arm according to claim 1, wherein, The front end surface of the arc-shaped plate (8) is fixedly provided with a supporting plate (9), and the outer wall of the cross arm (2) is provided with a vertical groove matched with the supporting plate (9).

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