Leakage-proof insulating shell of outdoor street lamp

Abstract

The utility model relates to outdoor street lamp technical field especially is a kind of outdoor street lamp's leakage protection insulating shell, including lamp base and lamp pole, lamp base upper end is connected with lamp pole by flange, maintenance door is welded on the outer side of lamp pole, sealing cover is fixedly installed on the side of maintenance door by bolt, cable is installed in the inner side of lamp pole, limit device is fixedly connected on the side of maintenance door, limit device includes two limit stop head, limit stop head bottom end is fixedly connected with opening and closing device, support spring is welded on the side of limit stop head, limit stop head includes stop head main part, stop head main part side is rotatably installed with stop head gyro wheel, in the utility model, limit device is set, maintenance door edge and cable contact on street lamp shell are separated, the friction on cable surface is reduced, the probability of the damage of cable surface insulating layer is reduced, insulation shell leakage is prevented, and safety is improved.

Description

Technical Field

[0001] This utility model relates to the field of outdoor street light technology, specifically to a leakage-proof insulating shell for outdoor street lights. Background Technology

[0002] Outdoor streetlights are core facilities for urban public lighting and rural road illumination. They are widely used in urban main roads, secondary roads, park trails, and rural streets and alleys, playing a crucial role in ensuring nighttime traffic safety and improving area visibility. When water enters the streetlight, a short circuit occurs, causing the streetlight casing to become electrified, which can lead to electric shock accidents. Therefore, high-insulation materials are used to make leakage-proof insulating casings to avoid such risks.

[0003] To facilitate future inspection and maintenance, inspection doors are opened on the street light housing. A certain amount of street light cable is reserved inside the inspection door. When heavy traffic passes by, the edge of the inspection door on the street light housing and the cable will generate continuous vibration and frequent friction. Under long-term action, the cable insulation layer is prone to damage, and even the internal wires may be exposed, which greatly increases the safety hazard of street light leakage. Therefore, in order to address the above problems, a leakage-proof insulating housing for outdoor street lights is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a leakage-proof insulating shell for outdoor streetlights to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An anti-leakage insulating shell for an outdoor street light includes a lamp base and a lamp pole. The lamp base is connected to the lamp pole via a flange at its upper end. An inspection door is welded to the outside of the lamp pole. A sealing cover is fixedly installed on one side of the inspection door by bolts. A cable is installed on the inside of the lamp pole. A limit device is fixedly connected to one side of the inspection door. The limit device includes two limit stops. An opening and closing device is fixedly connected to the bottom end of each limit stop. A support spring is welded to one side of each limit stop. Each limit stop includes a stop body, and a stop roller is rotatably installed on one side of the stop body.

[0007] As a further optimization of this utility model, the inner side of the inspection door is connected to the inner side of the light pole, a portion of the cable is disposed inside the inspection door, and the limiting stop is disposed in the light pole.

[0008] As a further optimization of this utility model, the limiting stop is arc-shaped, and the two limiting stops form a rotating pair through an opening and closing device, with the outer side of the cable in contact with the outer side of the stop roller.

[0009] As a further optimization of this utility model, the end of the support spring away from the limit stop is connected to the inspection door, the two ends of the support spring are respectively welded to the limit stop and the inspection door, the support springs are in pairs, and the support springs in each pair are parallel to each other.

[0010] As a further optimization of this utility model, the opening and closing device includes an opening and closing bearing, a bearing sleeve is fitted on the outside of the opening and closing bearing, a threaded tube is fixedly connected to the outside of the bearing sleeve, and a screw is threadedly connected to the inside of the threaded tube.

[0011] As a further optimization of this utility model, the bearing sleeve is annular in projection along the axial direction of the opening and closing bearing, the inner side of the threaded tube is connected to the inner side of the bearing sleeve, and one end of the screw abuts against the outer side of the opening and closing bearing.

[0012] As a further optimization of this utility model, the following features are provided: the axial projection of the opening and closing bearing along the threaded pipe is "I"-shaped; a rotating pair is formed between the bearing sleeve and the opening and closing bearing; and the extended line of the screw's central axis intersects with the central axis of the opening and closing bearing.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] In this utility model, the limiting device is used to separate the edge of the maintenance door on the street light housing from the cable, thereby reducing the friction on the cable surface, reducing the probability of damage to the insulation layer on the cable surface, preventing leakage of the insulation housing, and improving safety. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a structural diagram showing the installation position of the limiting device of this utility model;

[0017] Figure 3 This is a schematic diagram of the limiting device structure of this utility model;

[0018] Figure 4 This is a cross-sectional view of the limiting stop head of this utility model.

[0019] In the diagram: 1. Lamp base; 2. Lamp pole; 3. Inspection door; 4. Sealing cover; 5. Cable; 6. Limiting device; 61. Limiting stop; 62. Opening and closing device; 63. Support spring; 611. Stop body; 612. Stop roller; 621. Opening and closing bearing; 622. Bearing sleeve; 623. Threaded pipe; 624. Screw. Detailed Implementation

[0020] 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.

[0021] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0022] Please see Figures 1-4 This utility model provides a technical solution:

[0023] An anti-leakage insulating shell for an outdoor street light includes a lamp base 1 and a lamp pole 2. The lamp base 1 is connected to the lamp pole 2 via a flange at its upper end. An inspection door 3 is welded to the outside of the lamp pole 2. A sealing cover 4 is fixedly installed on one side of the inspection door 3 via bolts. A cable 5 is installed on the inside of the lamp pole 2. A limit device 6 is fixedly connected to one side of the inspection door 3. The limit device 6 includes two limit stops 61. An opening and closing device 62 is fixedly connected to the bottom of the limit stops 61. A support spring 63 is welded to one side of the limit stops 61. The limit stops 61 include a stop body 611. A stop roller 612 is rotatably installed on one side of the stop body 611.

[0024] As a further implementation of this solution, the inner side of the inspection door 3 is connected to the inner side of the lamp post 2. A portion of the cable 5 is located inside the inspection door 3, and the limiting stop 61 is located in the lamp post 2. The design of the inspection door 3 being connected to the inner side of the lamp post 2 allows the redundant length of the cable 5 in the lamp post 2 to be stored in the inspection door 3, rather than accumulating inside the lamp post 2, thus avoiding the cable 5 from malfunctioning due to heat accumulation during use. The design of the limiting stop 61 located in the lamp post 2 allows the cable 5 to be supported by the limiting stop 61 during the process of being pulled from the lamp post 2 into the inspection door 3.

[0025] As a further implementation of this solution, the limiting stop 61 is arc-shaped. The two limiting stops 61 form a rotating pair through the opening and closing device 62. The outer side of the cable 5 is in contact with the outer side of the stop roller 612. The arc shape of the limiting stop 61 allows the cable 5 to slide smoothly along its surface due to the limiting effect of its shape when passing through the surface of the limiting stop 61. At the same time, the rotating pair formed by the opening and closing device 62 allows the force exerted by the cable 5 on the limiting stop 61 to be buffered by the change in the relative position of the two limiting stops 61. The design of the outer side of the cable 5 being in contact with the outer side of the stop roller 61 converts the sliding friction between the cable 5 and the limiting stop 61 into rolling friction, which greatly reduces the resistance generated by the limiting stop 61 on the cable 5, thereby reducing the probability of damage to the insulation layer on the surface of the cable 5.

[0026] As a further implementation of this solution, the end of the support spring 63 furthest from the limit stop 61 is connected to the inspection door 3. The limit stops 61 and the inspection door 3 are welded to both ends of the support spring 63 respectively. The support springs 63 are arranged in pairs, and each pair of support springs 63 is parallel to each other. The design of welding the limit stops 61 and the inspection door 3 to both ends of the support spring 63 makes the limit stops 61 block the edge of the inspection door 3 near the support spring 63, preventing the edge of the inspection door 3 from contacting and rubbing against the cable 5. When the cable 5 is pulled, the support spring 63 deforms to absorb kinetic energy and provide buffering, reducing the friction of the cable 5 when pulled quickly. The number of support springs 63 can stabilize the suspended position of the limit stops 61 relative to the inspection door 3.

[0027] As a further implementation of this solution, the opening and closing device 62 includes an opening and closing bearing 621, a bearing sleeve 622 is sleeved on the outside of the opening and closing bearing 621, a threaded tube 623 is fixedly connected to the outside of the bearing sleeve 622, and a screw 624 is threadedly connected to the inside of the threaded tube 623. The design of the opening and closing device 62 enables the bearing sleeve 622 to rotate relative to the opening and closing bearing 621, reducing the shaking of the opening and closing device 62 when it is opened and closed, and can adjust the angle between the two limit stops 61 installed on the opening and closing device 62.

[0028] As a further implementation of this solution, the bearing sleeve 622 is annular in projection along the axial direction of the opening and closing bearing 621. The inner side of the threaded tube 623 is connected to the inner side of the bearing sleeve 622. One end of the screw 624 abuts against the outer side of the opening and closing bearing 621. The design of the bearing sleeve 622 being annular in projection along the axial direction of the opening and closing bearing 621 reduces the sharpness of the bearing sleeve 622's shape, reduces the friction between the bearing sleeve 622 and the cable 5, and prevents damage to the outer insulation of the cable 5. The design of the threaded tube 623 allows the screw 624 to rotate and adjust the pressure on the opening and closing bearing 621. The design of one end of the screw 624 abutting against the outer side of the opening and closing bearing 621 uses the friction between the screw 624 and the opening and closing bearing 621 to limit the rotation of the opening and closing bearing 621, fix the rotation angle of the opening and closing bearing 621 and the bearing sleeve 622, and fix the opening and closing degree of the opening and closing device 62.

[0029] As a further implementation of this solution, the axial projection of the opening and closing bearing 621 along the threaded tube 623 is "I"-shaped, and a rotating pair is formed between the bearing sleeve 622 and the opening and closing bearing 621. The extended line of the central axis of the screw 624 intersects the central axis of the opening and closing bearing 621. The design of the opening and closing bearing 621 being "I"-shaped along the axial projection of the threaded tube 623 can limit the range of motion of the bearing sleeve 622 along the opening and closing bearing 621 and prevent the bearing sleeve 622 from falling off the opening and closing bearing 621. The design of the extended line of the central axis of the screw 624 intersecting the central axis of the opening and closing bearing 621 can increase the force-bearing area when the screw 624 presses the opening and closing bearing 621, increase the friction between the screw 624 and the opening and closing bearing 621, and prevent the opening and closing bearing 621 from rotating.

[0030] Workflow: The lamp post 2 is connected to the lamp base 1 via a flange. Tighten the bolts on the lamp base 1 to fix the lamp post 2. Unscrew the bolts to open the sealing cover 4. Pull out the cable 5 from the inspection door 3 and connect it. When pulling out the cable 5, the limiting device 6 rests between the cable 5 and the edge of the inspection door 3. The limiting stop 61 supports the cable 5. Pulling the cable 5 causes the support spring 63 connected to the limiting stop 61 to bend under force, providing a buffer for the cable 5. As the cable 5 continues to be pulled, the support spring 63 bends significantly. The limiting stop 61 that first contacts the cable 5 reduces its effect of preventing the cable 5 from contacting the edge of the inspection door 3. The second limiting stop 61 rotates at a certain angle, lifting the cable 5. The stop body 611 and the stop roller 612 work together to make the cable 5 roll and rub against the limiting stop 61. Tighten the screw 624 to restrict the rotation of the opening and closing bearing 621. The threaded tube 623 restricts the rotation of the bearing sleeve 622. The opening and closing device 62 can controllably adjust the opening and closing size of the two limiting stops 61.

[0031] 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 leakage-proof insulating shell for an outdoor street light, comprising a lamp base (1) and a lamp post (2), characterized in that: The lamp base (1) is connected to the lamp post (2) via a flange at the upper end. An inspection door (3) is welded to the outside of the lamp post (2). A sealing cover (4) is fixedly installed on one side of the inspection door (3) by bolts. A cable (5) is installed on the inside of the lamp post (2). A limit device (6) is fixedly connected to one side of the inspection door (3). The limiting device (6) includes two limiting stops (61), the bottom end of the limiting stops (61) is fixedly connected to an opening and closing device (62), and a support spring (63) is welded to one side of the limiting stops (61). The limiting stop (61) includes a stop body (611), and a stop roller (612) is rotatably mounted on one side of the stop body (611).

2. The leakage-proof insulating shell for an outdoor street light according to claim 1, characterized in that: The inner side of the inspection door (3) is connected to the inner side of the lamp post (2), a part of the cable (5) is set inside the inspection door (3), and the limiting stop (61) is set in the lamp post (2).

3. The leakage-proof insulating shell for an outdoor street light according to claim 1, characterized in that: The limiting stop (61) is arc-shaped, and the two limiting stops (61) form a rotating pair through the opening and closing device (62). The outer side of the cable (5) is in contact with the outer side of the stop roller (612).

4. The leakage-proof insulating shell for an outdoor street light according to claim 1, characterized in that: The end of the support spring (63) away from the limit stop (61) is connected to the inspection door (3). The two ends of the support spring (63) are respectively welded to the limit stop (61) and the inspection door (3). The support springs (63) are in pairs, and each pair of support springs (63) is parallel to each other.

5. The leakage-proof insulating shell for an outdoor street light according to claim 1, characterized in that: The opening and closing device (62) includes an opening and closing bearing (621), a bearing sleeve (622) is sleeved on the outside of the opening and closing bearing (621), a threaded tube (623) is fixedly connected to the outside of the bearing sleeve (622), and a screw (624) is threadedly connected to the inside of the threaded tube (623).

6. The leakage-proof insulating shell for an outdoor street light according to claim 5, characterized in that: The bearing sleeve (622) is annular in projection along the axial direction of the opening and closing bearing (621). The inner side of the threaded tube (623) is connected to the inner side of the bearing sleeve (622). One end of the screw (624) abuts against the outer side of the opening and closing bearing (621).

7. The leakage-proof insulating shell for an outdoor street light according to claim 6, characterized in that: The opening and closing bearing (621) is projected in the shape of an "I" along the axial direction of the threaded tube (623). The bearing sleeve (622) and the opening and closing bearing (621) form a rotating pair. The extension line of the central axis of the screw (624) intersects the central axis of the opening and closing bearing (621).

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