CN110881258A

CN110881258A - Electric sealing box

Info

Publication number: CN110881258A
Application number: CN201911180943.6A
Authority: CN
Inventors: 王波; 潘常青; 安东辉; 梁刚; 吴高强
Original assignee: Tai Shite Science And Technology Co Ltd Of Shenzhen
Current assignee: Tai Shite Science And Technology Co Ltd Of Shenzhen
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-03-13

Abstract

The invention provides an electric sealing box, which comprises a hollow box body and a box door arranged on one side surface of the box body; the box door is connected with the box body through a hinge; a first opening is correspondingly arranged on the side surface of the box body, which is provided with the box door, a lip which forms a certain angle with the side surface is arranged at the edge surrounding the first opening, and a sealing structure is arranged between the lip and the box door, so that the integral sealing of the box body is realized when the box door is closed; the other side of the box body is also provided with a second opening for installing a cable leading-out sealing device, and the cable leading-out sealing device comprises a frame, a plurality of elastic sealing assemblies and a pressing piece, wherein the shape of the frame is matched with that of the second opening, and the elastic sealing assemblies and the pressing piece are arranged in the frame. The invention has simple structure, improved sealing effect and simultaneous leading-out of multiple cables.

Description

Electric sealing box

Technical Field

The invention relates to the field of seal boxes, in particular to an electric seal box.

Background

The existing electric sealing box is relatively harsh in environment and is easily damaged or corroded by moisture, harmful gas and dust; the sealing effect is poor due to invasion or influence of animals, fire, vibration, electromagnetic interference and the like. When the cable is drawn out from the electric sealing box, the prior art adopts fire prevention mud and fire retardant board to keep apart, then draws out the cable again, and the sealed effect of doing so is poor, simultaneously because the fire prevention mud receives the influence of high temperature and environment easily, leads to the effect to reduce, consequently needs frequent maintenance.

Disclosure of Invention

The invention provides an electric sealing box which is simple in structure, good in sealing effect, convenient to detect and maintain and capable of improving the use experience of users.

The invention provides an electric sealing box, which comprises a hollow box body and a box door arranged on one side surface of the box body;

the box door is connected with the box body through a hinge;

a first opening is correspondingly arranged on the side surface of the box body, which is provided with the box door, a lip which forms a certain angle with the side surface is arranged at the edge surrounding the first opening, and a sealing structure is arranged between the lip and the box door, so that the integral sealing of the box body is realized when the box door is closed;

the other side of the box body is also provided with a second opening for installing a cable leading-out sealing device, and the cable leading-out sealing device comprises a frame with the shape matched with that of the second opening, and a plurality of elastic sealing assemblies and a pressing piece which are arranged in the frame;

furthermore, the sealing structure is a sealing strip, the sealing strip is fixedly arranged on the box door, and the shape of the sealing strip is matched with that of the lip.

Furthermore, a groove matched with the lip is formed in the box door, and the sealing strip is arranged in the groove.

Further, the sealing structure is a sealing strip, and the sealing strip is fixedly sleeved on the lip.

Furthermore, one side of the sealing strip, which faces the box door, is further provided with a sealing ring piece, one end of the sealing ring piece is fixedly connected with the sealing strip, and the other end of the sealing ring piece is far away from the sealing strip, so that the plane where the sealing ring piece is located and the plane where one side surface of the box body is located form a certain angle.

Further, the sealing ring sheet and the sealing strip are integrally formed.

Further, the elastomeric seal assembly includes a strippable interlayer for receiving a cable.

Further, the elastic sealing assembly further comprises a blind plug mandrel for being arranged in the middle of the strippable sandwich layer when no cable is accommodated in the middle of the strippable sandwich layer.

Further, the cable leading-out sealing device also comprises a partition plate which is arranged between the adjacent elastic sealing assemblies at intervals.

Furthermore, the chamber door still is equipped with the lockhole that is used for installing the lock, the lock passes through the sealing washer and can install sealedly on the chamber door.

The electric sealing box disclosed by the invention has the advantages of simple structure, convenience in production, lower cost, good sealing effect and no influence on the sealing effect when a cable is led out; moreover, the overall safety performance is improved, the detection and maintenance are convenient, and the use experience of the user is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a block diagram of an electrical enclosure provided in accordance with an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken in the direction AA of FIG. 1 in accordance with an embodiment of the present invention;

FIG. 3 is an enlarged view of the structure B in FIG. 2 according to an embodiment of the present invention;

FIG. 4 is a bottom view of the electrical enclosure of the present invention;

FIG. 5 is an enlarged view of the structure of C in FIG. 4;

FIG. 6 is another cross-sectional view taken in the direction AA of FIG. 1 in accordance with an embodiment of the present invention;

FIG. 7 is an enlarged view of D of FIG. 6 according to an embodiment of the present invention;

fig. 8 is a structural diagram of a door of an electrical sealing box according to an embodiment of the present invention.

Reference numerals: 1. a box door; 2. a box body; 3. a hinge; 4. a first opening; 5. a lip; 6. a second opening; 7. a cable lead-out sealing device; 8. a frame; 9. an elastomeric seal assembly; 10. a compression member; 11. a sealing strip; 12. a trench; 13. a sealing ring sheet; 14. a peelable interlayer; 15. blind plugging the core rod; 16. a partition plate; 17. a lock hole; 18. a seal ring; 19. a door lock is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, an electrical sealing box provided by an embodiment of the present invention is shown, and it can be known that the electrical sealing box in the embodiment can ensure the overall sealing effect by providing a corresponding sealing structure. Specifically, the electric sealing box in the present embodiment may include a box body 2 in a hollow shape, and a box door 1 disposed on one side surface of the box body 2; the box door 1 is connected with the box body 2 through a hinge 3; a first opening 4 is correspondingly arranged on the side surface of the box body 2 provided with the box door 1, a lip 5 forming a certain angle with the side surface is arranged at the edge surrounding the first opening 4, and a sealing structure is arranged between the lip 5 and the box door 1, so that the integral sealing of the box body 2 is realized when the box door 1 is closed; the other side of the box body 2 is also provided with a second opening 6 for installing a cable leading-out sealing device 7, and the cable leading-out sealing device 7 comprises a frame 8, a plurality of elastic sealing assemblies 9 and a pressing piece 10, wherein the shape of the frame 8 is matched with that of the second opening 6.

Wherein, chamber door 1 is connected with box 2 through hinge 3, and accessible hinge 3 makes chamber door 1 be in closed condition or open mode, and the inside of box 2 is hollow for accomodate cable and controlling means. One side that is equipped with chamber door 1 at box 2 is equipped with first opening 4, encircles the edge of first opening 4, is equipped with lip 5 with this side surface certain angle, is equipped with a seal structure between lip 5 and chamber door 1, when chamber door 1 is in the closed condition, can make whole box 2 be in encapsulated situation through seal structure. Alternatively, the angle between the lip 5 and the side surface may be 90 °, or may be another reasonable angle, such as 85 ° or 80 °, which is not limited in this embodiment.

Meanwhile, the other side of the box body 2 is provided with a second opening 6 for installing a cable leading-out sealing device 7, the cable leading-out sealing device 7 comprises a frame 8, a plurality of sealing elastic assemblies and a pressing piece 10, the frame 8 is tightly combined with the second opening 6 and can be movably connected with the box body 2 into a whole through bolts or other modes, the elastic sealing assemblies 9 are arranged in the frame 8 and used for leading out cables, the number of the elastic sealing assemblies 9 can be set according to the maximum number of the cables which can be led out as required, and the pressing piece 10 is arranged on the outer surface of the elastic sealing assemblies 9. Thereby can compress tightly 10 through the extrusion and make to compress tightly 10 extrusion elastic seal assembly 9, and then accomplish the cable and draw sealing device 7's sealed, sealed through drawing sealing device 7 sealed and just accomplished whole electric seal box to the cable between chamber door 1 and the box 2, and sealed effectual can also draw forth a plurality of cables simultaneously, has improved user's use experience.

Specifically, when needs seal whole electric seal box, can close chamber door 1 earlier, make electric seal box accomplish preliminary sealed through the seal structure between chamber door 1 and the box 2. Then, the pressing member 10 in the cable leading-out sealing device 7 is pressed again, so that the pressing member 10 generates a downward pressure to further press the elastic sealing component 9 positioned below the pressing member 10, and by pressing the elastic sealing component 9, no gap exists between the elastic sealing component 9 and the cable contained therein and between each elastic sealing component, thereby completing the sealing of the whole cable leading-out sealing device 7. Meanwhile, due to the fact that the elastic sealing assemblies 9 are arranged, a plurality of cables can be led out simultaneously, and the convenience of maintenance is further improved.

In an embodiment, the sealing structure is a sealing strip 11, and the sealing strip 11 is fixedly arranged on the box door 1 and has a shape matching with the shape of the lip 5. In some cases, the sealing means may be in the form of a sealing strip 11, and by fixedly providing the sealing strip 11 matching the shape of the lip 5 on the door 1, the sealing strip 11 is pressed to complete the sealing when the door 1 is in the closed state, simplifying the sealing process.

In a further embodiment, as shown in fig. 3 and 8, the door 1 is provided with a groove 12 matching with the lip 5, and the sealing strip 11 is disposed in the groove 12. In some cases, in order to prevent the sealing strip 11 from falling off easily due to the influence of the external environment, a groove 12 matched with the lip 5 may be formed in the box door 1, the sealing strip 11 is placed in the groove 12, and when sealing is required, the box door 1 is closed, so that the electrical sealing box can be sealed, and thus, not only the previous sealing effect is not influenced, but also the sealing strip 11 can be prevented from falling off and the like.

In one embodiment, as shown in fig. 6 to 8, the sealing structure is a sealing strip 11, and the sealing strip 11 is fixedly sleeved on the lip 5. In other cases, the sealing structure is also in the form of a sealing strip 11, a groove 12 matched with the lip 5 is arranged on the sealing strip 11, the sealing strip 11 is sleeved with the lip 5 through the groove 12, and when sealing is needed, the door 1 is closed, so that sealing can be completed.

In a further embodiment, as shown in fig. 7, a sealing ring piece 13 is further disposed on one side of the sealing strip 11 facing the door 1, one end of the sealing ring piece 13 is fixedly connected to the sealing strip 11, and the other end of the sealing ring piece 13 is far away from the sealing strip 10, so that a plane where the sealing ring piece 13 is located and a plane where one side surface of the box body 2 is located form a certain angle. When the box door 1 is in a closed state, the box door 1 extrudes the sealing strip 11 by extruding the sealing ring piece 13, and the sealing ring piece 13 and the sealing strip 11 have a certain angle, so that when the box door 1 extrudes the sealing ring piece 13, larger pressure can be generated to extrude the sealing strip 11, and the problem that the sealing effect is not ideal because the box door 1 incompletely extrudes the sealing strip 11 can be avoided.

In a further embodiment, the sealing ring 13 is integrally formed with the sealing strip 11. In order to prevent the sealing ring piece 13 from being separated from the connecting position of the sealing ring piece 13 and the sealing strip 11 due to excessive use times, so that the sealing effect is reduced, the sealing ring piece 13 and the sealing strip 11 can be integrated, the good sealing effect is achieved, and meanwhile the service life is prolonged.

In one embodiment, as shown in fig. 4 and 5, the elastomeric seal assembly 9 includes a strippable interlayer 14 for receiving a cable. Normally, the cable is through elasticity sealing component 9 ground of drawing forth, and the size of cable is inequality usually, general elasticity sealing component 9's elasticity space is limited, when the size of cable when being greater than elasticity sealing component 9, can destroy elasticity sealing component 9's elasticity ability, lead to when other less cables of needs holding, because elasticity ability is destroyed, can't be fully sealed with cable formation, sealing effect has been reduced, and if go to set up not equidimension elasticity sealing component 9 according to the cable size, cost and time have been increased. Therefore, the strippable interlayer 14 is arranged in the elastic sealing component 9, the strippable interlayer 14 is formed by combining a plurality of interlayers, and when the size of the cable is larger, a certain number of interlayers can be reduced so that the size of the strippable interlayer 14 is just matched with the size of the cable; when the size of cable is less, the accessible increases the intermediate layer of certain quantity so that the size of strippable intermediate layer 14 just matches with the size of cable, not only can guarantee good sealed effect, can also satisfy the cable demand of equidimension not.

In a further embodiment, as shown in fig. 5, the elastomeric seal assembly 9 further comprises a blind plug 15, the blind plug 15 being adapted to be disposed in the middle of the strippable sandwich layer 14 when no cable is received in the middle of the strippable sandwich layer 14. In some cases, when the number of the elastic sealing assemblies 9 is more than the number of cables to be led out, a blind plugging rod 15 can be put into the strippable sandwich layer 14 which does not contain the cables to replace the cables, so as to avoid the problem of undesirable sealing effect caused by the non-contained cables.

In one embodiment, as shown in fig. 4, the cable exit seal arrangement 7 further comprises a spacer 16, the spacer 16 being spaced between adjacent elastomeric seal assemblies 9. In the case of extremely severe external conditions, such as an explosion or strong vibration from the outside, which may reduce the sealing effect between the elastic sealing members 9 and the cable, a partition 16 may be provided between each elastic sealing member 9, and the partition 16 may fix each elastic sealing member 9 so that the sealing effect is not reduced even if there is strong vibration.

In one embodiment, as shown in fig. 1, the door 1 is further provided with a lock hole 17 for installing a door lock 19, and the door lock 19 is sealably installed on the door 1 through a gasket 18. In order to further ensure the sealing effect, a sealing ring 18 can be arranged at the door lock 19, so that the influence on the overall sealing effect caused by the reduction of the sealing performance at the door lock 19 due to frequent opening and closing of the door lock 19 is avoided.

While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An electric sealing box is characterized by comprising a hollow box body and a box door arranged on one side surface of the box body;

the box door is connected with the box body through a hinge;

the other side of the box body is also provided with a second opening for installing a cable leading-out sealing device, and the cable leading-out sealing device comprises a frame, a plurality of elastic sealing assemblies and a pressing piece, wherein the shape of the frame is matched with that of the second opening, and the elastic sealing assemblies and the pressing piece are arranged in the frame.

2. The electrical enclosure of claim 1, wherein the sealing structure is a sealing strip fixedly disposed on the door and shaped to match the shape of the lip.

3. The electrical enclosure of claim 2, wherein the door defines a channel that mates with the lip, and wherein the seal is disposed within the channel.

4. The electrical enclosure of claim 1, wherein said seal is a seal strip that is fixedly received over the lip.

5. The electrical seal box of claim 4, wherein a seal ring is further disposed on a side of the seal strip facing the box door, one end of the seal ring is fixedly connected to the seal strip, and the other end of the seal ring is away from the seal strip, so that a plane on which the seal ring is disposed forms a certain angle with a plane on which a surface of one side of the box body is disposed.

6. The electrical enclosure of claim 5, wherein the sealing ring is integrally formed with the sealing strip.

7. The electrical enclosure of claim 1, wherein the elastomeric seal assembly comprises a peelable interlayer for housing a cable.

8. The electrical seal box of claim 7, wherein the elastomeric seal assembly further comprises a blind plug for placement in the middle of the strippable sandwich layer when no cable is received therein.

9. The electrical enclosure of claim 1, wherein the cable exit seal arrangement further comprises a spacer plate spaced between adjacent elastomeric seal assemblies.

10. The electrical enclosure of claim 1, wherein the door further comprises a locking aperture for receiving a door lock, the door lock being sealably mounted to the door by a gasket.