Three-proofing power distribution operation box

Abstract

The utility model discloses a three-proofing power distribution operation box, which comprises a cabinet body and a cabinet door, an opening matched with the cabinet door is correspondingly arranged on the cabinet body, the cabinet door is arranged on the opening and seals the opening, a first bending part bending towards the cabinet door is arranged on the opening of the cabinet body, and a second bending part bending towards the cabinet door is arranged on the first bending part. A first bending part is arranged on the periphery of the cabinet door, a second bending part which is bent outwards is connected to the first bending part, a third bending part which is bent towards the cabinet body is arranged on the periphery of the cabinet door, a fourth bending part which is bent inwards is connected to the third bending part, a sealing ring is clamped between the second bending part and the cabinet door, and the fourth bending part abuts against the cabinet body in an attached mode. The first bending portion, the second bending portion, the third bending portion and the fourth bending portion are correspondingly connected between the cabinet body and the cabinet door in a surrounding mode to form a containing cavity with a square section, and a fixing structure used for fixing the cabinet body and the cabinet door together is arranged on the containing cavity in a penetrating mode. The three-proofing power distribution operation box provided by the utility model is better in sealing performance and more reasonable and stable in structure.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution operation boxes. Background Art

[0002] The three-proof power distribution operation box generally includes a cabinet body and a cabinet door, but the sealing performance between the existing cabinet body and the cabinet door is poor. Especially for the three-proof power distribution operation box placed outdoors, external rainwater can easily enter the cabinet body through the gap between the cabinet body and the cabinet door, thereby affecting the normal operation of the three-proof power distribution operation box. In addition, there will be several instrument panels and operating handles on the cabinet door, but in the prior art, the instrument panel is generally directly exposed to the outside, which is easy to be damaged. At the same time, the bolts used to install the instrument panel and the operating handle are also directly exposed to the outside, so there is also a risk of being twisted at will. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a three-proof power distribution operation box with better sealing performance and more reasonable and stable structure.

[0004] To achieve the above-mentioned purpose, the utility model provides a three-proof power distribution operation box, including a cabinet body and a cabinet door, the cabinet door is provided with a plurality of instrument panels and operating handles, the cabinet body is correspondingly provided with an opening adapted to the cabinet door, the cabinet door is installed on the opening and constitutes a closure for the opening, a first bending portion bent toward the cabinet door is provided on the opening of the cabinet body, a second bending portion bent outwardly is connected to the first bending portion, a third bending portion bent toward the cabinet body is provided on the outer peripheral surface of the cabinet door, a fourth bending portion bent inwardly is connected to the third bending portion, a sealing ring is sandwiched between the second bending portion and the cabinet door, a fitting abutment is formed between the fourth bending portion and the cabinet body, the third and fourth bending portions are correspondingly located on the outsides of the first and second bending portions, the first, second, third and fourth bending portions are correspondingly connected between the cabinet body and the cabinet door to form a cavity with a mouth-shaped cross section, and a fixing structure for fixing the cabinet body and the cabinet door together is passed through the cavity.

[0005] The beneficial effect of the utility model is as follows: by adopting the above scheme, since the first and second bending parts are provided on the opening of the cabinet body, the third and fourth bending parts are correspondingly provided on the cabinet door, and at the same time, a sealing ring is sandwiched between the second bending part and the cabinet door, and a fitting abutment is formed between the fourth bending part and the cabinet body, and the third and fourth bending parts are correspondingly located on the outside of the first and second bending parts, and the first, second, third and fourth bending parts are correspondingly connected between the cabinet body and the cabinet door to form a cavity with a cross section of a square. Therefore, this is equivalent to forming an outer blocking part with a cross section of a square outside the opening of the cabinet body, thereby effectively preventing external rainwater from entering the cabinet body. Even if rainwater enters through the gap between the fourth bending part and the cabinet body, it will only be blocked on the first bending part, and then flow out from both sides, and will not enter the cabinet body, thereby greatly improving the sealing performance between the cabinet body and the cabinet door. In addition, a fixing structure for fixing the cabinet body and the cabinet door together is provided on the cavity, which effectively realizes the installation and fixation between the cabinet body and the cabinet door. At the same time, the fixing structure is located in the cavity, which can not only effectively protect the fixing structure, but also further improve the sealing performance.

[0006] The utility model can be further configured such that the fixing structure includes a sealing sleeve, a screw sleeve and a first bolt, the screw sleeve is fixedly arranged on the cabinet body and extends into the cabinet body, the inner end of the screw sleeve is closed, the sealing sleeve is installed on the cabinet door, and the outer end of the sealing sleeve is in contact with the outer end surface of the cabinet door, the first bolt is installed in the sealing sleeve, and the first bolt, the screw sleeve and the sealing sleeve are screwed together. This configuration is not only stable, but also can squeeze the sealing ring sandwiched between the second bending portion and the cabinet door as the first bolt is screwed together, thereby further improving the sealing performance.

[0007] The utility model can be further configured such that the second bending portion is arranged parallel to the cabinet door, and the sealing ring is fixedly arranged on the second bending portion. This is equivalent to installing and fixing the sealing ring on the cabinet body, thereby preventing the sealing ring from moving with the opening of the cabinet door, and the structure is more stable.

[0008] The utility model can be further configured such that a mounting frame, a pressure plate, a fixing sleeve, and a glass plate are arranged between the instrument panel and the cabinet door, the fixing sleeve is wrapped and arranged on the outer circumferential surface of the glass plate, the axial ends of the glass plate and the fixing sleeve are respectively in contact with the pressure plate and the inner end surface of the cabinet door, the instrument panel is fixedly mounted on the mounting frame and is correspondingly located on the inner side of the cabinet door, the mounting frame is provided with a second bolt for fixing it with the pressure plate, the fixing sleeve and the cabinet door, and an observation hole is provided on the cabinet door at a position corresponding to the glass plate. A bushing is also arranged between the glass plate and the fixing sleeve. This arrangement can effectively prevent the instrument panel and the mounting frame and the second bolt used to install and fix the instrument panel from being exposed, the structure is more reasonable and reliable, and the instrument panel is effectively protected.

[0009] The utility model can be further configured such that a cover plate and a mounting seat are provided between the operating handle and the cabinet door, a convex column extending inward is provided on the cabinet door, the mounting seat is pressed against the outer end surface of the cabinet door, and is screwed and fixed with the convex column through a third bolt, the cover plate is embedded on the mounting seat, and forms an external shielding for the third bolt, the operating handle is pressed against the cover plate, and a pin shaft for axially limiting the operating handle is installed on the cabinet door from the inside to the outside. This configuration can not only form a reliable installation and fixation for the operating handle, but also effectively prevent the third bolt and other installation components from being exposed. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a front view of the utility model;

[0011] Figure 2 It is a side sectional view of the utility model;

[0012] Figure 3 for Figure 2 A magnified view of part A;

[0013] Figure 4 for Figure 2 A magnified view of part B;

[0014] Figure 5 for Figure 2 Enlarged view of part C. DETAILED DESCRIPTION

[0015] like Figure 1-5 The figure shows a three-proof power distribution operation box, including a cabinet body 1 and a cabinet door 2, the cabinet door 2 is provided with a plurality of instrument panels 3 and an operating handle 4, the cabinet body 1 is provided with an opening 11 adapted to the cabinet door 2, the cabinet door 2 is installed on the opening 11 and forms a closure for the opening 11, the opening 11 of the cabinet body 1 is provided with a first bending portion 12 bent toward the cabinet door 2, the first bending portion 12 is connected to a second bending portion 13 bent outwardly, and the outer peripheral surface of the cabinet door 2 is provided with a bending portion 13 bent toward the cabinet body 1. The third bending portion 21 is connected to a fourth bending portion 22 bent inwardly, a sealing ring 14 is sandwiched between the second bending portion 13 and the cabinet door 1, and a fit is formed between the fourth bending portion 22 and the cabinet body 1. The third and fourth bending portions are correspondingly located on the outside of the first and second bending portions, and the first, second, third and fourth bending portions are correspondingly connected between the cabinet body 1 and the cabinet door 2 to form a cavity 15 with a mouth-shaped cross-section, and a fixing structure for fixing the cabinet body 1 and the cabinet door 2 together is passed through the cavity 15.

[0016] With the above solution, since the first and second bending parts are provided on the opening 11 of the cabinet 1, the third and fourth bending parts are correspondingly provided on the cabinet door 2, and at the same time, a sealing ring 14 is sandwiched between the second bending part 13 and the cabinet door 2, and the fourth bending part 22 is fitted against the cabinet 1, and the third and fourth bending parts are correspondingly located on the outside of the first and second bending parts, and the first, second, third and fourth bending parts are correspondingly enclosed between the cabinet 1 and the cabinet door 2 to form a cavity 15 with a cross section of a square, so it is equivalent to forming an outer blocking part with a cross section of a square outside the opening 11 of the cabinet 1, thereby effectively preventing external rainwater from entering the cabinet 1. Even if rainwater enters through the gap between the fourth bending part 22 and the cabinet 1, it will only be blocked on the first bending part 12, and then flow out from both sides, and will not enter the cabinet 1, thereby greatly improving the sealing performance between the cabinet 1 and the cabinet door 2. In addition, a fixing structure for fixing the cabinet body 1 and the cabinet door 2 together is provided on the cavity 15, thereby effectively realizing the installation and fixation between the cabinet body 1 and the cabinet door 2. At the same time, the fixing structure is located in the cavity 15, which can not only effectively protect the fixing structure, but also further improve the sealing performance.

[0017] The fixing structure includes a sealing sleeve 23, a threaded sleeve 24 and a first bolt 25. The threaded sleeve 24 is fixedly arranged on the cabinet body 1 and extends into the cabinet body 1. The inner end of the threaded sleeve 24 is closed. The sealing sleeve 23 is installed on the cabinet door 2, and the outer end of the sealing sleeve 23 is in contact with the outer end surface of the cabinet door 2. The first bolt 25 is installed in the sealing sleeve 23, and the first bolt 25 is threadedly engaged with the threaded sleeve 24 and the sealing sleeve 23. This arrangement not only ensures a stable installation, but also squeezes the sealing ring sandwiched between the second bending portion 13 and the cabinet door 2 as the first bolt 25 is threadedly installed, thereby further improving the sealing performance.

[0018] The second bending portion 13 is arranged parallel to the cabinet door 2, and the sealing ring 14 is fixedly arranged on the second bending portion 13. In this way, the sealing ring 14 is fixedly mounted on the cabinet body 1, thereby preventing the sealing ring 14 from moving with the opening of the cabinet door 2, and the structure is more stable.

[0019] A mounting frame 31, a pressing plate 32, a fixing sleeve 33, and a glass plate 34 are arranged between the instrument panel 3 and the cabinet door 2. The fixing sleeve 33 is wrapped around the outer circumferential surface of the glass plate 34. The axial ends of the glass plate 34 and the fixing sleeve 33 are respectively in contact with the pressing plate 32 and the inner end surface of the cabinet door 2. The instrument panel 3 is fixedly mounted on the mounting frame 31 and is correspondingly located on the inner side of the cabinet door 2. The mounting frame 31 is provided with a second bolt 35 for fixing it with the pressing plate 32, the fixing sleeve 33 and the cabinet door 2. An observation hole 36 is provided at a position corresponding to the glass plate 34 on the cabinet door 2. A bushing 37 is also arranged between the glass plate 34 and the fixing sleeve 33. This arrangement can effectively prevent the instrument panel 3 and the mounting frame 31, the second bolt 35, etc. used to install and fix the instrument panel 3 from being exposed, is more reasonable and reliable in structure, and effectively protects the instrument panel 3.

[0020] A cover plate 41 and a mounting seat 42 are provided between the operating handle 4 and the cabinet door 2. The cabinet door 2 is provided with a protruding column 43 extending inwardly. The mounting seat 42 is pressed against the outer end surface of the cabinet door 2 and is screwed and fixed with the protruding column 43 through a third bolt 44. The cover plate 41 is embedded on the mounting seat 42 and forms an external shielding for the third bolt 44. The operating handle 4 is pressed against the cover plate 41. A pin 45 for axially limiting the operating handle 4 is installed from the inside to the outside on the cabinet door 2. This arrangement can not only form a reliable installation and fixation for the operating handle 4, but also effectively prevent the third bolt 44 and other installation components from being exposed.

Claims

1. A three-proof power distribution operation box, comprising a cabinet body and a cabinet door, the cabinet door is provided with a plurality of instrument panels and operating handles, the cabinet body is provided with an opening adapted to the cabinet door, the cabinet door is installed on the opening and forms a closure for the opening, characterized in that: A first bending portion bent toward the cabinet door is provided on the opening of the cabinet body, a second bending portion bent outward is connected to the first bending portion, a third bending portion bent toward the cabinet body is provided on the outer peripheral surface of the cabinet door, a fourth bending portion bent inward is connected to the third bending portion, a sealing ring is sandwiched between the second bending portion and the cabinet door, a fit is formed between the fourth bending portion and the cabinet body, the third and fourth bending portions are correspondingly located on the outside of the first and second bending portions, the first, second, third and fourth bending portions are correspondingly connected between the cabinet body and the cabinet door to form a cavity with a mouth-shaped cross-section, and a fixing structure for fixing the cabinet body and the cabinet door together is passed through the cavity.

2. The triple-proof power distribution operation box according to claim 1 is characterized in that: The fixing structure includes a sealing sleeve, a threaded sleeve and a first bolt. The threaded sleeve is fixedly arranged on the cabinet body and extends into the cabinet body. The inner end of the threaded sleeve is closed. The sealing sleeve is installed on the cabinet door, and the outer end of the sealing sleeve is abutted against the outer end surface of the cabinet door. The first bolt is inserted into the sealing sleeve, and the first bolt, the threaded sleeve and the sealing sleeve are threadedly matched.

3. The triple-proof power distribution operation box according to claim 1 or 2, characterized in that: The second bending portion is arranged parallel to the cabinet door, and the sealing ring is fixedly arranged on the second bending portion.

4. The triple-proof power distribution operation box according to claim 1 or 2, characterized in that: A mounting frame, a pressure plate, a fixing sleeve, and a glass plate are arranged between the instrument panel and the cabinet door. The fixing sleeve is wrapped around the outer circumferential surface of the glass plate. The axial ends of the glass plate and the fixing sleeve are respectively abutted against the pressure plate and the inner end surface of the cabinet door. The instrument panel is fixedly mounted on the mounting frame and is located correspondingly on the inner side of the cabinet door. The mounting frame is provided with a second bolt for fixing it to the pressure plate, the fixing sleeve and the cabinet door. An observation hole is opened on the cabinet door at a position corresponding to the glass plate.

5. The triple-proof power distribution operation box according to claim 4 is characterized in that: A bushing is also arranged between the glass plate and the fixing sleeve.

6. The triple-proof power distribution operation box according to claim 1 or 2, characterized in that: A cover plate and a mounting seat are arranged between the operating handle and the cabinet door. The cabinet door is provided with a protruding column extending inwardly. The mounting seat is pressed against the outer end surface of the cabinet door and is screwed and fixed with the protruding column by a third bolt. The cover plate is embedded in the mounting seat and constitutes an external shielding for the third bolt. The operating handle is pressed against the cover plate, and a pin shaft for axially limiting the operating handle is installed on the cabinet door from the inside to the outside.

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