Sealing structure of box-type substation

Abstract

A sealing structure of a box-type substation relates to the technical field of substations and comprises a box body, a box door is hinged to the front side of the box body, and sealing rubber strips are arranged on the periphery of the inner side of the box door; a door knife is arranged on a frame on the front side of the box body, and the door knife is matched with the sealing rubber strip to realize sealing; the pressing assembly comprises a spring bolt arranged on the inner side surface of the box door and a front fly arranged on the side wall of the box body frame; the number of the lock tongues is multiple, the multiple lock tongues are rotationally connected to the box door, one ends of the multiple lock tongues are hinged to the same connecting rod, a rotating rod is hinged to the connecting rod, and one end of the rotating rod is rotationally connected to the inner side face of the box door; a handle is arranged on the outer side of the box door and connected with the rotating rod. The sealing rubber strip is arranged to be matched with the door knife to achieve sealing, meanwhile, the pressing assembly is used for improving the sealing performance between the door knife and the sealing rubber strip, and sealing is tighter.

Description

TECHNICAL FIELD

[0001] The utility model relates to substation technical field, concretely relates to a sealed structure of box type substation. BACKGROUND

[0002] The box type substation, also called prepackaged substation or prepackaged substation, is a kind of factory prefabricated indoor, outdoor compact distribution equipment of high-voltage switchgear, distribution transformer and low-voltage distribution device according to certain wiring scheme, that is, the functions of voltage reduction, low-voltage distribution and the like are organically combined together, and installed in a moisture-proof, rust-proof, dust-proof, rat-proof, fireproof, theft-proof, heat-insulating, fully-enclosed and movable steel structure box, especially suitable for city network construction and reconstruction, and is a kind of brand-new substation rising after civil construction substation.

[0003] The utility model discloses a box type substation with moistureproof sealing structure, including the box, the bottom surface of box is fixedly connected with the moistureproof board, the front of box is hinged with the door through the pin shaft, the right side of door is fixedly connected with the sealing block, the inner side wall of box is opened with the recess one, the inner side wall of recess one is fixedly connected with the equidistance arrangement's extension spring, the inner side of recess one is not fixedly connected with the sealing washer, the sealing washer is fixedly connected with the extension spring, the upper surface of box is opened with the recess two in four corners, the inner bottom wall of each recess two is fixedly connected with the electric telescopic handle, the upper surface of electric telescopic handle is fixedly connected with the fixed plate, the middle part of fixed plate upper surface is inlaid with the fan, the middle part of box upper surface is opened with the notch, the inner wall of notch is fixedly connected with the heating wire, the middle part of box inner bottom wall is fixedly connected with the air suction pump, the output of air suction pump penetrates the inner side wall of box and extends to the outside of box, the inner side wall of box is provided with the placing plate, the inner side wall of box is fixedly connected with the placing plate, the upper surface of placing plate is opened with the equidistance arrangement's leak hole, the middle part of placing plate upper surface is fixedly connected with the transformer. The utility model can complete the sealing effect to the transformer box through the mutual cooperation between the box, the door, the sealing block, the recess one, the extension spring and the sealing washer, but there is certain defect: the sealing between the sealing block and the sealing washer is realized through the contraction of the extension spring in the utility model, the electronic device inside the substation will vibrate when working, which is easy to affect the extension spring, resulting in the reduction of sealing performance. UTILITY MODEL CONTENTS

[0004] In view of the above technical problems of the prior art, the utility model aims at providing a sealed structure of box type substation.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A sealing structure of a box-type substation, comprising a box body, a box door is hinged to the front side of the box body, and a sealing rubber strip is arranged around the inner side of the box door; a door bolt is arranged on the frame of the front side of the box body, and the door bolt cooperates with the sealing rubber strip to realize sealing; the sealing structure further comprises a pressing assembly, the pressing assembly comprises a lock tongue arranged on the inner side of the box door and a door flap arranged on the side wall of the frame of the box body; the number of the lock tongues is plural, the plural lock tongues are all rotationally connected to the box door, and one end of the plural lock tongues is hinged to the same connecting rod, a rotating rod is hinged to the connecting rod, and one end of the rotating rod is rotationally connected to the inner side of the box door; a handle is arranged on the outer side of the box door, and the handle is connected with the rotating rod.

[0007] Preferably, a plurality of water guide grooves are equidistantly arranged on the outer side of the box door, and a moisture-proof wallpaper is further attached to the outer side of the box door.

[0008] Preferably, the surface of the door flap in contact with the lock tongue is an inclined surface.

[0009] Preferably, the material of the sealing rubber strip is polyethylene or rubber.

[0010] Preferably, a sealing gasket is arranged between the handle and the box door.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The sealing rubber strip and the door bolt are arranged to realize sealing, and the pressing assembly is used to increase the sealing property between the door bolt and the sealing rubber strip, so that the sealing is more compact, the sealing rubber strip is attached to the four sides of the inner side of the box door, and the sealing rubber strip is convenient to replace.

[0013] 2. The water guide grooves are arranged on the outer side of the box door, which is beneficial to guide rainwater and avoid erosion of the box door caused by rainwater for a long time; the moisture-proof wallpaper is attached to the outer side of the box door, which is beneficial to prevent moisture from entering the box body and causing damage to the electrical elements in the box body. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0015] Fig. 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Fig. 2 It is a schematic diagram of the internal structure of the utility model.

[0017] Reference numerals:

[0018] 1 - box, 2 - door, 3 - sealing strip, 4 - door knife, 5 - lock tongue, 6 - door flap, 7 - connecting rod, 8 - rotating rod, 9 - handle, 10 - water guide groove, 11 - sealing gasket. DETAILED DESCRIPTION

[0019] The content of the utility model is described in detail below by way of example in conjunction with the drawings accompanying the specification. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. EMBODIMENT

[0020] As Figs. 1-2 shown, the utility model discloses a kind of sealing structure of box-type substation, including box 1, the box 1 front side is hinged with door 2, multiple rows of water guide grooves 10 are equidistantly opened on the outer side of door 2, it is beneficial to the rainwater is guided, avoid rainwater long time adheres on door 2 to cause erosion to door 2;Moisture-proof wallpaper is also bonded on the outer side of door 2, it is beneficial to prevent moisture from entering box 1, cause damage to electrical components in box 1;Sealing strip 3 is bonded on the four around inner side of door 2, the material of sealing strip 3 is polyethylene or rubber, the width of sealing strip 3 is 2cm, and thickness is 2cm;Door knife 4 is welded on the frame of the box 1 front side, and sealing is realized by cooperating with sealing strip 3, preferably, the width of door knife 4 is 1.8cm, and thickness is 0.5cm;It also includes compression assembly, the compression assembly includes lock tongue 5 being rotatably connected on the inner side of door 2 and door flap 6 being welded on the frame side wall of box 1, when locking, lock tongue 5 cooperates with door flap 6, the surface of door flap 6 and lock tongue 5 contact is inclined surface, it is beneficial to increase locking force;The number of lock tongue 5 is three, three the lock tongue 5 is arranged on the same vertical line and the same side end of three the lock tongue 5 is hinged with same connecting rod 7, rotating rod 8 is hinged on connecting rod 7, and one end of rotating rod 8 is rotatably connected on the inner side of door 2;Handle 9 is provided on the outer side of door 2, handle 9 is connected with rotating rod 8, and sealing gasket 11 is arranged between handle 9 and door 2.

[0021] When closing door 2, push door 2 to the direction of box 1 by handle 9, so that sealing strip 3 on the inner side of door 2 contacts with door knife 4 on the frame of box 1, then lift the handle 9 on the outer side of door 2, so that rotating rod 8 rotates, and then drives connecting rod 7 to move up, since lock tongue 5 is hinged with connecting rod 7, finally realizes that lock tongue 5 contacts with door flap 6 to realize locking, the sealing property between door knife 4 and lock tongue 5 is enhanced, and then the sealing property of box is ensured.

[0022] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the application concept of the present application, makes equivalent substitution or change within the technical range disclosed by the present application, and all of them should be covered within the protection scope of the present application.

Claims

1. A sealing structure of a box-type substation comprising a box (1), characterized in that: The box (1) is hinged with a box door (2) on the front side, and the inner side of the box door (2) is provided with a sealing rubber strip (3) around; a door knife (4) is arranged on the frame of the front side of the box (1), and the door knife (4) is matched with the sealing rubber strip (3) to realize sealing; further comprising a pressing assembly, the pressing assembly comprises a lock tongue (5) arranged on the inner side of the box door (2) and a door flap (6) arranged on the side wall of the frame of the box (1); the number of the lock tongue (5) is multiple, multiple lock tongues (5) are all rotationally connected on the box door (2), and one end of multiple lock tongues (5) is hinged with a same connecting rod (7), a rotating rod (8) is hinged on the connecting rod (7), and one end of the rotating rod (8) is rotationally connected on the inner side of the box door (2); a handle (9) is arranged on the outer side of the box door (2), and the handle (9) is connected with the rotating rod (8).

2. The sealed structure of the box-type substation according to claim 1, characterized in that: A plurality of water guide grooves (10) are equidistantly arranged on the outer side of the box door (2), and a moisture-proof wallpaper is further attached on the outer side of the box door (2).

3. The sealed structure of a box-type substation according to claim 1, characterized in that: The surface of the door flap (6) in contact with the lock tongue (5) is an inclined surface.

4. The sealed structure of the box-type substation according to claim 1, wherein: The material of the sealing rubber strip (3) is polyethylene or rubber.

5. The sealed structure of a box-type substation according to claim 1, wherein: A sealing gasket (11) is arranged between the handle (9) and the box door (2).

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