Damp-proof structure of outdoor power distribution cabinet

Abstract

The utility model provides a moisture-proof structure of an outdoor power distribution cabinet, which relates to the technical field of power distribution cabinets and comprises a power distribution cabinet bottom bin, limiting cylinders and limiting sleeves, a plurality of connecting holes are arranged at the bottom of the power distribution cabinet bottom bin, the limiting cylinders are arranged in the connecting holes, and the limiting sleeves are arranged at the tops of the limiting cylinders. A limiting mechanism is arranged between the limiting cylinder and the limiting sleeve; according to the utility model, the limiting sleeve is screwed into the top of the limiting cylinder, then the cable passes through the interiors of the clamping cylinder and the limiting sleeve, the limiting sleeve is continuously screwed to move downwards, and the conical groove at the bottom of the limiting sleeve is utilized to drive the top of the clamping cylinder to contract inwards, so that the cable can be clamped by the clamping cylinder for limiting the cable, and the cable passes through the interior of the supporting sleeve; the supporting sleeve made of rubber firstly expands outwards and then contracts inwards to be attached to the cable, the supporting sleeve can fill a gap between the cable and the bottom of the clamping cylinder, the bottom of the clamping cylinder is separated from the ground, and water vapor is prevented from invading the power distribution cabinet through the clamping cylinder.

Description

TECHNICAL FIELD

[0001] The utility model relates to power distribution cabinet technical field especially relates to a kind of outdoor power distribution cabinet dampproof structure. BACKGROUND

[0002] Power distribution cabinet divides power distribution cabinet and lighting power distribution cabinet, metering cabinet, it is the last stage equipment of distribution system, power distribution cabinet is the collective term of motor control center, power distribution cabinet is used in the occasion of relatively dispersed load, loop is less;Motor control center is used in the occasion of concentrated load, loop is more, they distribute the electric energy of the circuit of the power distribution equipment of a level to the load of nearby, this stage equipment should provide protection, monitoring and control to load;

[0003] At present, the power distribution cabinet used outdoors is basically connected with the electric wire embedded in the ground, if rain and humidity penetrate the ground in rainy and humid weather, rain and humidity can easily enter the power distribution cabinet through the connecting hole of the bottom bin of cabinet body, not only affect the use of electrical equipment, but also easily cause use failure, there is certain safety hazard, therefore, the utility model provides a kind of outdoor power distribution cabinet dampproof structure to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model provides a kind of outdoor power distribution cabinet dampproof structure to solve the problem that rain and humidity can easily enter the power distribution cabinet through the connecting hole of the bottom bin of cabinet body in prior art.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a kind of outdoor power distribution cabinet dampproof structure, including power distribution cabinet bottom bin, limit cylinder and limit sleeve, the bottom of the power distribution cabinet bottom bin is equipped with multiple connecting holes, the inside of connecting hole is equipped with limit cylinder, the top of the limit cylinder is equipped with limit sleeve, and limit mechanism is equipped between the limit cylinder and the limit sleeve.

[0006] Further improvement lies in that: the limit mechanism includes clamping cylinder, contraction slot, conical groove and support sleeve, the inside of the limit cylinder is equipped with clamping cylinder, the top of the clamping cylinder is equipped with multiple contraction slots, the bottom of the limit sleeve is equipped with conical groove, the bottom of the clamping cylinder is equipped with support sleeve, and the material of the support sleeve is rubber.

[0007] Further improvement lies in that: the top of the limit cylinder is equipped with screw face, the outer wall of the limit sleeve is threadedly connected with the inner wall of the limit cylinder, and the top of the contraction slot is inclined to the inside.

[0008] Further improvement lies in that: the inside of the limit cylinder is equipped with annular groove, the top of the limit sleeve is equipped with counterbore, and the inside of the annular groove and the counterbore is filled with high molecular dampproof agent.

[0009] Further improvement lies in that the bottom of the limiting cylinder is fixedly connected with a clamping block, the bottom of the clamping cylinder is provided with a clamping groove, and the outer wall of the clamping block is clamped and connected with the inner wall of the clamping groove.

[0010] Further improvement lies in that the bottom of the clamping cylinder is provided with a threaded hole, the top of the supporting sleeve is fixedly connected with a threaded head, and the supporting sleeve is threadedly connected with the inner wall of the threaded hole through the threaded head.

[0011] Further improvement lies in that the top of the limiting cylinder is symmetrically provided with a fixed plate, one end of the fixed plate is provided with a screw, and the fixed plate is detachably connected with the bottom of the bottom bin of the power distribution cabinet through the screw.

[0012] The cable is clamped by the clamping cylinder, and the cable is positioned. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front view of the utility model;

[0014] Figure 2 It is a structure schematic view of the limiting cylinder and the limiting sleeve of the utility model;

[0015] Figure 3 It is an internal structure schematic view of the limiting cylinder and the limiting sleeve of the utility model;

[0016] Figure 4 It is a structure schematic view of the clamping cylinder of the utility model.

[0017] 1, the bottom bin of the power distribution cabinet; 2, the limiting cylinder; 3, the limiting sleeve; 4, the clamping cylinder; 5, the contraction groove; 6, the tapered groove; 7, the supporting sleeve; 8, the threaded surface; 9, the annular groove; 10, the counterbore; 11, the fixed plate; 12, the bolt; 13, the clamping block; 14, the clamping groove; 15, the threaded hole; 16, the threaded head. DETAILED DESCRIPTION

[0018] In order to deepen the understanding of the utility model, the utility model will be further described in conjunction with examples below, and the present embodiment is only used to explain the utility model, and does not constitute the limitation to the protection scope of the utility model.

[0019] According to Figure 1 , 2The embodiment shown in the drawings, proposes a kind of outdoor switchgear moisture-proof structure, including switchgear bottom storehouse 1, limiting cylinder 2 and limiting sleeve 3, the bottom of the switchgear bottom storehouse 1 is equipped with multiple connecting holes, the inside of connecting hole is equipped with limiting cylinder 2, the top of the limiting cylinder 2 is equipped with limiting sleeve 3, limiting mechanism is equipped between the limiting cylinder 2 and limiting sleeve 3, limiting cylinder 2 is inserted into the connecting hole of switchgear bottom storehouse 1, then limiting sleeve 3 is installed in the inside of limiting cylinder 2, then cable is penetrated from the top of limiting cylinder 2, rotating limiting sleeve 3 triggers limiting mechanism and clamps cable to limit it, while limiting mechanism also seals the contact position of limiting cylinder 2 bottom end and cable, avoid water vapor from the bottom end of limiting cylinder 2 penetrates upwards, so that the inside of switchgear is damp.

[0020] The limiting mechanism includes clamp cylinder 4, contraction groove 5, conical groove 6 and support sleeve 7, the inside of the limiting cylinder 2 is equipped with clamp cylinder 4, the top of the clamp cylinder 4 is equipped with multiple contraction grooves 5, the bottom of the limiting sleeve 3 is equipped with conical groove 6, the bottom of the clamp cylinder 4 is equipped with support sleeve 7, the material of the support sleeve 7 is rubber.

[0021] The bottom of the clamp cylinder 4 is equipped with threaded hole 15, the top of the support sleeve 7 is fixedly connected with threaded head 16, the support sleeve 7 is connected with the inner wall of threaded hole 15 by threaded head 16, after the threaded head 16 at the top of support sleeve 7 and the threaded hole 15 at the bottom of clamp cylinder 4 are butt jointed, rotating support sleeve 7 screws threaded head 16 into the inside of threaded hole 15, so that support sleeve 7 is installed at the bottom of clamp cylinder 4.

[0022] The bottom of the limiting cylinder 2 is fixedly connected with clamping block 13, the bottom of the clamp cylinder 4 is equipped with clamping groove 14, the outer wall of clamping block 13 is hingedly connected with the inner wall of clamping groove 14, the top of clamp cylinder 4 is extruded and inwards contracted through contraction groove 5, clamp cylinder 4 is inserted into the inside of limiting cylinder 2 from bottom to top, and clamping block 13 at the bottom of limiting cylinder 2 and clamping groove 14 at the bottom of clamp cylinder 4 are integrated, to fix clamp cylinder 4 in the inside of limiting cylinder 2.

[0023] The top of the limiting cylinder 2 is equipped with threaded face 8, the outer wall of limiting sleeve 3 is threadedly connected with the inner wall of limiting cylinder 2, the top of contraction groove 5 is inclined to inside, limiting sleeve 3 is screwed into the top of limiting cylinder 2, then cable is penetrated from the inside of clamp cylinder 4 and limiting sleeve 3, continue to screw limiting sleeve 3 to move downwards, the top of clamp cylinder 4 is inwards contracted by conical groove 6 at the bottom of limiting sleeve 3, so that clamp cylinder 4 clamps cable to limit cable, and cable is penetrated from the inside of support sleeve 7, support sleeve 7 of rubber material is first expanded outward and then inwards contracted to adhere to cable, support sleeve 7 can fill the gap between cable and the bottom of clamp cylinder 4, and separate the bottom of clamp cylinder 4 from ground, to avoid water vapor invading into the inside of switchgear through clamp cylinder 4.

[0024] The inside of the limiting cylinder 2 is provided with an annular groove 9, the top of the limiting sleeve 3 is provided with a countersunk hole 10, the inside of the annular groove 9 and the countersunk hole 10 is filled with a high polymer moisture-proof agent, after the cable is clamped by the clamp cylinder 4, a layer of high polymer moisture-proof agent is coated on the bottom of the power distribution cabinet bottom bin 1, the high polymer moisture-proof agent flows into the inside of the annular groove 9 and the countersunk hole 10 and fills it, and is solidified, so as to seal the limiting cylinder 2 and the power distribution cabinet bottom bin 1 and the limiting sleeve 3 and the cable, so that the moisture-proof effect is better.

[0025] The top of the limiting cylinder 2 is symmetrically provided with a fixed plate 11, one end of the fixed plate 11 is provided with a screw, the fixed plate 11 is detachably connected with the bottom of the power distribution cabinet bottom bin 1 through the screw, after the limiting cylinder 2 is inserted into the connecting hole at the bottom of the power distribution cabinet bottom bin 1, the position of the mounting hole on the fixed plate 11 is adjusted to coincide with the position of the threaded hole at the bottom of the power distribution cabinet bottom bin 1, the screw is screwed into the inside of the threaded hole, and the fixed plate 11 is clamped with the bottom of the power distribution cabinet bottom bin 1, so as to completely fix the limiting cylinder 2 at the bottom of the power distribution cabinet bottom bin 1.

[0026] The outdoor power distribution cabinet moisture-proof structure is characterized in that the limiting sleeve 3 is screwed into the top of the limiting cylinder 2, then the cable is passed through the inside of the clamp cylinder 4 and the limiting sleeve 3, the limiting sleeve 3 is continuously screwed and moved downward, the top of the clamp cylinder 4 is inwardly retracted by the tapered groove 6 at the bottom of the limiting sleeve 3, so that the clamp cylinder 4 can clamp the cable, the cable is passed through the inside of the supporting sleeve 7, the supporting sleeve 7 made of rubber material is first expanded outwardly and then retracted inwardly to be attached to the cable, the supporting sleeve 7 can fill the gap between the cable and the bottom of the clamp cylinder 4, and separate the bottom of the clamp cylinder 4 from the ground, so as to avoid the water vapor from invading the inside of the power distribution cabinet through the clamp cylinder 4.

[0027] The basic principle, main features and advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An outdoor power distribution cabinet moisture-proof structure, comprising a power distribution cabinet bottom bin (1), a limiting cylinder (2) and a limiting sleeve (3), characterized in that: The bottom of the power distribution cabinet bottom bin (1) is provided with a plurality of connecting holes, the inside of the connecting hole is provided with a limiting cylinder (2), the top of the limiting cylinder (2) is provided with a limiting sleeve (3), and a limiting mechanism is arranged between the limiting cylinder (2) and the limiting sleeve (3); The limiting mechanism includes a clamping cylinder (4), a contraction groove (5), a tapered groove (6) and a supporting sleeve (7), the inside of the limiting cylinder (2) is provided with the clamping cylinder (4), the top of the clamping cylinder (4) is provided with a plurality of contraction grooves (5), the bottom of the limiting sleeve (3) is provided with a tapered groove (6), the bottom of the clamping cylinder (4) is provided with the supporting sleeve (7), and the material of the supporting sleeve (7) is rubber.

2. The moisture-proof structure of an outdoor power distribution cabinet according to claim 1, characterized in that: The top of the limiting cylinder (2) is provided with a threaded surface (8), the outer wall of the limiting sleeve (3) is threadedly connected with the inner wall of the limiting cylinder (2), and the top of the contraction groove (5) is inclined inward.

3. The moisture-proof structure of an outdoor power distribution cabinet according to claim 1, characterized in that: The inside of the limiting cylinder (2) is provided with an annular groove (9), the top of the limiting sleeve (3) is provided with a countersunk hole (10), and the inside of the annular groove (9) and the countersunk hole (10) is filled with a high polymer moisture-proof agent.

4. The moisture-proof structure of an outdoor power distribution cabinet according to claim 1, characterized in that: The bottom of the limiting cylinder (2) is fixedly connected with a clamping block (13), the bottom of the clamping cylinder (4) is provided with a clamping groove (14), and the outer wall of the clamping block (13) is clampedly connected with the inner wall of the clamping groove (14).

5. The moisture-proof structure of an outdoor power distribution cabinet according to claim 1, characterized in that: The bottom of the clamping cylinder (4) is provided with a threaded hole (15), the top of the supporting sleeve (7) is fixedly connected with a threaded head (16), and the supporting sleeve (7) is threadedly connected with the inner wall of the threaded hole (15) through the threaded head (16).

6. The moisture-proof structure of an outdoor power distribution cabinet according to claim 1, characterized in that: The top of the limiting cylinder (2) is symmetrically provided with a fixed plate (11), one end of the fixed plate (11) is provided with a screw, and the fixed plate (11) is detachably connected with the bottom of the power distribution cabinet bottom bin (1) through the screw.

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