CN220580909U

CN220580909U - Sealing and locking structure of explosion-proof box

Info

Publication number: CN220580909U
Application number: CN202320501343.0U
Authority: CN
Inventors: 江华仕; 李洪刚; 宗长志; 宋国艳
Original assignee: Hongjiang Huihai Technology Co ltd
Current assignee: Hongjiang Huihai Technology Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2024-03-12
Anticipated expiration: 2033-03-15

Abstract

The utility model discloses an explosion-proof box sealing and locking structure, which solves the problems that the explosion-proof box has poor sealing effect and is easy to be opened by mistake, and the technical scheme is as follows: the box comprises a box body and a box cover, wherein a sealing device matched with the box cover is arranged at the opening of the box body, and the box body and the box cover are locked through a locking device; the sealing device comprises a sealing element and a transmission element, the sealing element is arranged at the opening of the box body, the sealing element seals the box cover, one end of the transmission element is matched with the sealing element, the other end of the transmission element is matched with the box cover, and the box cover acts on the sealing element through the transmission element; the locking device comprises a locking piece and a connecting piece, wherein the locking piece and the connecting piece are respectively arranged on the box cover and the box body, and the locking piece locks the connecting piece. The purposes of increasing the sealing effect and preventing the false opening are achieved.

Description

Sealing and locking structure of explosion-proof box

Technical Field

The utility model belongs to the technical field of explosion-proof boxes, and particularly relates to a sealing and locking structure of an explosion-proof box.

Background

The explosion-proof box is used in high-risk environment or dust environment, is used for explosion-proof and shock-resistant power distribution protection equipment, is widely applied in a plurality of production fields, provides important guarantee for safe production, however, the existing explosion-proof box shell is mainly supported by a metal plate shell, and a sealing structure is lacking between a box cover and a box body, so that dust is easily accumulated in the explosion-proof box, and heat dissipation and normal operation of internal components of the explosion-proof box are affected.

Moreover, since the reliability of the operation of the explosion-proof box and the equipment is closely related, in order to ensure that the explosion-proof box is not opened by mistake, the box cover of the conventional explosion-proof box is usually fixed by a lockset, an operator needs to use a key to open when operating, but when an emergency exists, the operator can take the key back and forth to prolong the rush repair time, so that the equipment loss is increased.

Invention of the utility model

Aiming at the defects existing in the prior art, the utility model aims to provide the sealing and locking structure of the explosion-proof box, which has good sealing effect, is convenient to open and effectively prevents false opening.

The purpose of the utility model is realized in the following way: the explosion-proof box sealing and locking structure comprises a box body and a box cover, wherein a sealing device matched with the box cover is arranged at the opening of the box body, and the box body and the box cover are locked through a locking device;

the sealing device comprises a sealing element and a transmission element, the sealing element is arranged at the opening of the box body, the sealing element seals the box cover, one end of the transmission element is matched with the sealing element, the other end of the transmission element is matched with the box cover, and the box cover acts on the sealing element through the transmission element;

the locking device comprises a locking piece and a connecting piece, wherein the locking piece and the connecting piece are respectively arranged on the box cover and the box body, and the locking piece locks the connecting piece.

Further, the transmission piece is installed in the opening part of the box body in a riveting mode, a baffle plate and a side plate are arranged at the opening part of the box body, the sealing piece is installed on the side plate, and the side plate and the baffle plate are both provided with openings matched with the transmission piece.

Further, the retaining member is annular, the retaining member is rotatably mounted on the box cover, the connecting member is columnar, the retaining member can be sleeved outside the connecting member, a plurality of cavities are formed in the retaining member, bolts are arranged in the cavities, holes matched with the bolts are formed in the cavities, and the connecting member is provided with clamping grooves matched with the bolts.

Further, the bolt is provided with a limit seat matched with the open hole.

Further, the bolts are circumferentially and uniformly distributed in the locking piece, and the number of the bolts is 3-8.

Further, a first pressure head and a second pressure head are respectively arranged at two ends of the transmission piece, the first pressure head is matched with the sealing piece, and the second pressure head is matched with the box cover.

Further, the baffle is provided with a sealing strip.

Compared with the prior art, the utility model has the following outstanding and beneficial technical effects: according to the utility model, the sealing device is additionally arranged at the opening of the box body, the transmission part is extruded when the box cover is closed, the pressure head is driven to compress and seal the sealing part, the sealing of the explosion-proof box is realized, and the sealing effect of the explosion-proof box is effectively improved.

Simultaneously, lock box and case lid through locking device, when the explosion-proof case needs to be opened, only need stir the retaining member, the swivel ring drives inside bolt and rotates, under centrifugal force effect, the bolt deviate from in the draw-in groove of connecting piece, makes the connecting piece break away from with the retaining member, can open the case lid, and operating personnel need not to prepare the key, can open the explosion-proof case fast in the short time that the emergency took place, shortens rush repair time, reduces the loss. Meanwhile, as the bolt is positioned in the locking piece and the rotating ring is required to have a certain rotating speed when the locking piece is opened, the explosion-proof box is effectively prevented from being opened by mistake.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the case of the present utility model;

FIG. 3 is a schematic view of the seal arrangement of the present utility model;

fig. 4 is a schematic view of the structure of the locking device of the present utility model.

In the figure: 1. a case; 2. a case cover; 3. a seal; 4. a transmission member; 5. a locking member; 6. a connecting piece; 7. a baffle; 8. a side plate; 9. a sleeve; 11. a first ram; 12. a second ram; 13. a sealing strip; 14. a plug pin; 15. a clamping groove; 16. and a limiting seat.

Description of the embodiments

In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, shall fall within the scope of the utility model.

The embodiment discloses an explosion-proof box sealing and locking structure which comprises a box body 1 and a box cover 2, wherein a sealing device matched with the box cover 2 is arranged at the opening of the box body 1, and the box body 1 and the box cover 2 are locked through the locking device;

the sealing device comprises a sealing element 3 and a transmission element 4, wherein the sealing element 3 is arranged at the opening of the box body 1, the sealing element 3 seals the box cover 2, one end of the transmission element 4 is matched with the sealing element 3, the other end of the transmission element is matched with the box cover 2, and the box cover 2 acts on the sealing element 3 through the transmission element 4;

the locking device comprises a locking piece 5 and a connecting piece 6, wherein the locking piece 5 and the connecting piece 6 are respectively arranged on the box cover 2 and the box body 1, and the locking piece 5 locks the connecting piece 6.

Specifically, when the case cover 2 is closed, the case cover 2 acts on the transmission member 4, the transmission member 4 acts on the sealing member 3 to compress and seal the case cover 2, the sealing member 3 adopts rubber strips, the edges of the two sides of the rubber strips are in adhesive connection with the case body 1, and the section of the rubber strips has a slight radian, so that the case cover 2 can be better attached; the locking piece 5 of the locking device locks the connecting piece 6 to realize the locking of the explosion-proof box, and the connecting piece 6 can be inserted into the locking piece 5 to prevent the explosion-proof box from being opened by false touch.

Further, the transmission piece 4 is installed at the opening of the box body 1 in a riveting mode, a baffle 7 and a side plate 8 are arranged at the opening of the box body 1, the sealing piece 3 is installed on the side plate 8, and the side plate 8 and the baffle 7 are provided with openings matched with the transmission piece 4; the two ends of the transmission piece 4 are respectively provided with a first pressure head 11 and a second pressure head 12, the first pressure head 11 is matched with the sealing piece 3, and the second pressure head 12 is matched with the box cover 2; the baffle 7 is provided with a sealing strip 13.

Specifically, driving medium 4 is arc structure, and box 1 opening part is provided with connecting piece 6, and driving medium 4 riveting is installed on box 1, and when case lid 2 was closed, case lid 2 border acted on second pressure head 12, and drive driving medium 4 rotation, and first pressure head 11 compresses tightly sealing member 3 along with the rotation of driving medium 4, makes sealing member 3 compress tightly case lid 2 side, realizes the effective seal to the explosion-proof case, and simultaneously, sealing strip 13 is the rubber strip, can further increase the sealed effect of explosion-proof case.

Further, the locking piece 5 is annular, the locking piece 5 is rotatably installed on the box cover 2, the connecting piece 6 is columnar, the locking piece 5 can be sleeved outside the connecting piece 6, a plurality of cavities are formed in the locking piece 5, the bolts 14 are arranged in the cavities, holes matched with the bolts 14 are formed in the cavities, and the connecting piece 6 is provided with clamping grooves 15 matched with the bolts 14.

Specifically, the outside cover of retaining member 5 is equipped with the ring cover, and retaining member 5 can rotate in the ring cover, and the ring cover is fixed in on case lid 2, and the inside bolt 14 of retaining member 5 is received gravity effect and is stretched out from the trompil, in the draw-in groove 15 of connecting piece 6, realizes locking to connecting piece 6, when opening or closing case lid 2, only need stir retaining member 5, makes retaining member 5 rotate, and inside bolt 14 withdraws retaining member 5 under centrifugal force effect, but the free movement between retaining member 5 and the connecting piece 6 this moment realizes the switch of case lid 2.

Further, the bolt 14 is provided with a limit seat 16 matched with the opening; the bolts 14 are circumferentially and evenly distributed in the locking piece 5, and the number of the bolts 14 is 3-8.

Specifically, the limiting seat 16 can limit the bolt 14, so that the joint between the front end of the bolt 14 and the bottom of the clamping groove 15 is prevented, and the bolt 14 is prevented from obstructing the rotation of the locking piece 5; meanwhile, in this embodiment, the number of the pins 14 is 3, so that the locking member 5 is located at any angle, and the pins 14 are located in the clamping grooves 15, so as to ensure the locking effect.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Claims

1. The explosion-proof box sealing and locking structure is characterized by comprising a box body (1) and a box cover (2), wherein a sealing device matched with the box cover (2) is arranged at the opening of the box body (1), and the box body (1) and the box cover (2) are locked through a locking device;

the sealing device comprises a sealing element (3) and a transmission element (4), wherein the sealing element (3) is arranged at the opening of the box body (1), the sealing element (3) seals the box cover (2), one end of the transmission element (4) is matched with the sealing element (3), the other end of the transmission element is matched with the box cover (2), and the box cover (2) acts on the sealing element (3) through the transmission element (4);

the locking device comprises a locking piece (5) and a connecting piece (6), wherein the locking piece (5) and the connecting piece (6) are respectively arranged on the box cover (2) and the box body (1), and the locking piece (5) locks the connecting piece (6).

2. The explosion-proof box sealing and locking structure according to claim 1, wherein the transmission piece (4) is installed at an opening of the box body (1) in a riveting mode, a baffle (7) and a side plate (8) are arranged at the opening of the box body (1), the sealing piece (3) is installed on the side plate (8), and the side plate (8) and the baffle (7) are both provided with openings matched with the transmission piece (4).

3. The explosion-proof box sealing and locking structure according to claim 1, wherein the locking piece (5) is annular, the locking piece (5) is rotatably installed on the box cover (2), the connecting piece (6) is columnar, the locking piece (5) can be sleeved outside the connecting piece (6), a plurality of cavities are formed in the locking piece (5), a bolt (14) is arranged in each cavity, an opening matched with the bolt (14) is formed in each cavity, and a clamping groove (15) matched with the bolt (14) is formed in the connecting piece (6).

4. A sealing and locking structure for explosion-proof boxes according to claim 3, characterized in that the bolt (14) is provided with a limit seat (16) cooperating with the opening.

5. A sealing and locking structure for explosion-proof boxes according to claim 3, wherein the bolts (14) are circumferentially and uniformly distributed in the locking member (5), and the number of the bolts (14) is 3-8.

6. The explosion-proof box sealing and locking structure according to claim 2, wherein a first pressure head (11) and a second pressure head (12) are respectively arranged at two ends of the transmission piece (4), the first pressure head (11) is matched with the sealing piece (3), and the second pressure head (12) is matched with the box cover (2).

7. The explosion proof box seal locking structure according to claim 2, wherein the baffle (7) is provided with a sealing strip (13).