CN213073311U - Sealing shell for electrical equipment - Google Patents
Sealing shell for electrical equipment Download PDFInfo
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- CN213073311U CN213073311U CN202021831069.6U CN202021831069U CN213073311U CN 213073311 U CN213073311 U CN 213073311U CN 202021831069 U CN202021831069 U CN 202021831069U CN 213073311 U CN213073311 U CN 213073311U
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- plate
- side plates
- top plate
- bottom plate
- positioning groove
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Abstract
The utility model provides a sealed shell for electrical equipment, include: a side plate; a base plate; the top plate, the side plates and the bottom plate are tightly attached and fixed together through connecting pieces to form a sealed shell; and sealing glue is also coated on the connecting surfaces between the top plate and the side plates and/or between the bottom plate and the side plates. The structure can effectively solve the problems that the production and manufacturing cost of the electric equipment sealing shell in the prior art is high, and the sealing performance and the size precision of the shell cannot be effectively ensured.
Description
Technical Field
The utility model relates to an electrical cable equipment holding technical field, concretely relates to electrical equipment is with sealed shell.
Background
The housing for housing the electrical equipment needs to ensure good sealing performance and also has certain requirements on the dimensional accuracy of the product. Particularly, in the field of high-speed rail, a sealing housing for accommodating a high-speed rail cable and electrical equipment needs to have excellent sealing performance to ensure that the high-speed rail can stably and reliably operate.
One of the sealing shells of the electrical equipment in the prior art is produced and processed in a mode of removing materials by using a whole block of materials, but the method needs to process and remove 80% of the unnecessary materials in the sealing shell, and has the problems of material waste, long processing time and high processing cost. And the other method adopts a processing mode of manufacturing the die, but the die opening cost of the die is higher, the processing period is long, and the die is not suitable for single-piece or small-batch manufacturing. In addition, when the die is manufactured, internal defects are easy to appear on the blank, the defects are often invisible on the surface and can be found only when being processed, and therefore, when the blank is manufactured, spare parts are needed to be made more, and qualified finished products can be guaranteed. The third is to adopt the processing mode of tailor-welding, because the local heating is carried out during welding, whole casing can produce deformation and welding stress, so need do the heat treatment and remove stress to still need to carry out machining after the welding, just can guarantee the dimensional accuracy requirement of product.
The sealing shell for the electrical equipment has the problems that the production and manufacturing cost is high, and the sealing performance and the dimensional accuracy of the shell cannot be effectively ensured.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the present invention lies in overcoming the problem that the electrical equipment sealed shell in the prior art has a high manufacturing cost, and the sealing performance and the size precision of the shell can not be effectively guaranteed, thereby providing a sealed shell for electrical equipment, including:
a side plate;
a base plate;
the top plate, the side plates and the bottom plate are tightly attached and fixed together through connecting pieces to form a sealed shell; and sealing glue is also coated on the connecting surfaces between the top plate and the side plates and/or between the bottom plate and the side plates.
The curb plate is at least two, and adjacent setting the curb plate passes through the connecting piece closely laminates fixedly together, and is adjacent its connection face of curb plate coats and has sealed glue.
The top plate and/or the bottom plate and/or the side plate are/is provided with threaded holes, and the connecting piece is a screw matched with the threaded holes in shape.
The screw is connected with the threaded hole in a matched mode through an elastic washer.
And the top plate and/or the bottom plate and/or the side plate are/is provided with accommodating holes for accommodating the connecting pieces.
A first positioning groove is also formed in the connecting surface between the top plate and the side plate and/or between the bottom plate and the side plate; the first positioning groove is used for limiting the position between any two of the top plate, the side plate and the bottom plate which are mutually matched and connected.
The first positioning groove is an annular groove which is arranged on the top plate and/or the bottom plate and is opposite to the side plate.
A second positioning groove is formed in one of the two adjacent side plates; the second positioning groove is used for limiting the position between the two side plates which are mutually matched and connected.
The second positioning groove is a strip-shaped groove arranged along the edge of the inner side face of the outer contour of the side plate.
And the top plate is provided with an opening through which a cable passes.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a sealed shell for electrical equipment, include: a side plate; a base plate; the top plate, the side plates and the bottom plate are tightly attached and fixed together through connecting pieces to form a sealed shell; and sealing glue is also coated on the connecting surfaces between the top plate and the side plates and/or between the bottom plate and the side plates.
The top plate, the side plates and the bottom plate are tightly attached and fixed together through the connecting pieces, and then the connecting surfaces of the top plate, the side plates and the bottom plate are coated with sealant. The sealant can effectively seal the adjacent top plate and side plate or the gap between the adjacent bottom plate and side plate, thereby ensuring good sealing performance of the shell for accommodating the electrical equipment. Moreover, the sealing shell for the electrical equipment does not need a welding process of the existing sealing shell, the shell cannot be deformed by heating, and welding stress cannot be generated, so that the requirement on the size precision of a product is ensured.
2. The utility model provides a sealed shell for electrical equipment, the curb plate is at least two, and is adjacent to set up the curb plate passes through the connecting piece closely laminates fixedly together, and adjacent it connects and coats on the face and has sealed glue.
The side walls of the sealing shell are enclosed by the side plates, the adjacent two side plates are tightly attached and fixed through the connecting piece, and the connecting surfaces of the side plates are coated with sealant. The sealant can effectively seal the gap between the adjacent side plates, thereby ensuring good sealing performance and dimensional accuracy of the shell for accommodating the electrical equipment.
3. The utility model provides a sealed shell for electrical equipment, the roof and/or the bottom plate and/or be provided with the screw hole on the curb plate, the connecting piece be with the screw of screw hole shape looks adaptation. The top plate and the side plate, or the bottom plate and the side plate, or two adjacent side plates can be simply and firmly fixed together through the mutually matched screws and threaded holes.
4. The utility model provides an electrical equipment is with sealed shell, the screw pass through the spring washer with the screw hole cooperation links to each other. The problem of stress concentration between two adjacent connecting pieces can be effectively prevented by arranging the elastic washer between the screw and the threaded hole.
5. The utility model provides a sealing shell for electrical equipment, a first positioning groove is also arranged between the top plate and the side plate and/or on the connecting surface between the bottom plate and the side plate; the first positioning groove is used for limiting the position between any two of the top plate, the side plate and the bottom plate which are mutually matched and connected. A second positioning groove is formed in one of the two adjacent side plates; the second positioning groove is used for limiting the position between the two side plates which are mutually matched and connected.
Through the first positioning groove and the second positioning groove, the adjacent top plate, the side plate and the bottom plate can be effectively limited, so that the sealing performance and the product reliability of the sealing shell are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a sealing case for electrical equipment according to the present invention;
fig. 2 is a schematic view of a partially enlarged installation of the position of the connecting member of the sealing case for electrical equipment according to the present invention;
fig. 3 is a schematic view of an assembly structure of the sealing case for electrical equipment provided by the present invention;
fig. 4 is the connection position local enlarged schematic diagram of the side plate, the bottom plate and the top plate three provided by the utility model.
Description of reference numerals:
1. a side plate; 2. a base plate; 3. a top plate; 4. a connecting member; 5. an elastic washer; 6. a housing hole; 7. a first positioning groove; 8. a second positioning groove; 9. and (6) opening holes.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides a sealed case for an electric apparatus, which is a junction box of a high-speed train, as shown in fig. 1 and 3, and includes:
the cable fixing device comprises a top plate 3, wherein an opening 9 for a cable to pass through is formed in the top plate 3;
a bottom plate 2, wherein the bottom plate 2 is provided with a connecting hole for fixing the position thereof, and the sealing shell is fixed by a screw passing through the connecting hole
The side plate 1, the top plate 3, the side plate 1 and the bottom plate 2 are tightly attached and fixed together through a connecting piece 4 to form a sealed shell; as shown in fig. 2, the connecting member 4 is a screw, and threaded holes are provided on the top plate 3, the bottom plate 2 and the side plate 1, and the screw passes through the elastic washer 5 to fix the top plate 3, the side plate 1 and the bottom plate 2 together. And the top plate 3 and the connecting surfaces between the side plates 1 and the bottom plate 2 and the side plates 1 are also coated with sealing glue. The sealant can effectively seal the gap between the adjacent top plate 3 and the side plate 1 or between the adjacent bottom plate 2 and the side plate 1, thereby ensuring good sealing performance of the shell for accommodating the electrical equipment. Moreover, the sealing shell for the electrical equipment does not need a welding process of the existing sealing shell, the shell cannot be deformed by heating, and welding stress cannot be generated, so that the requirement on the size precision of a product is ensured. In this embodiment, curb plate 1 is four, and four curb plates 1 closely laminate fixedly together through connecting piece 4 and constitute upper and lower open-ended rectangle casing, and is adjacent still coat on its connection face of curb plate 1 and have sealed glue. In addition, the top plate 3, the bottom plate 2 and the side plate 1 are provided with accommodating holes 6 for accommodating screws. The screw is accommodated in the accommodating hole 6, so that potential safety hazards caused by the exposure of the screw can be effectively prevented.
In this embodiment, first positioning grooves 7 are further disposed on the connection surfaces between the top plate 3 and the side plate 1, and between the bottom plate 2 and the side plate 1; the first positioning groove 7 is an annular groove which is arranged on the top plate 3 and the bottom plate 2 and is opposite to the side plate 1, and the annular groove is used for limiting the positions of the top plate 3 and the side plate 1 which are mutually matched and connected and the positions between the bottom plate 2 and the side plate 1. And a second positioning groove 8 is formed in one of the two adjacent side plates 1, and the second positioning groove 8 is a strip-shaped groove formed along the edge of the inner side surface of the outer contour of the side plate 1, so that the position between the two side plates 1 which are matched and connected with each other is limited.
Of course, the utility model discloses the application does not do specific restriction to the structure of curb plate 1, and in other embodiments, curb plate 1 is a annular plate, and both ends are provided with the opening respectively about this curb plate 1, and the upper end opening of curb plate 1 passes through the screw and sealed glue and is fixed continuous with roof 3, and the lower extreme opening of curb plate 1 passes through the screw and sealed glue and is fixed continuous with bottom plate 2.
Of course, the application of the present invention does not specifically limit the structure of the connecting member 4, and in other embodiments, the connecting member 4 may also be a hook and a slot, or a bolt.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (8)
1. A sealed case for an electric apparatus, comprising:
a side plate (1);
a base plate (2);
the top plate (3), the side plates (1) and the bottom plate (2) are tightly attached and fixed together through a connecting piece (4) to form a sealed shell; sealing glue is further coated on the connecting surfaces between the top plate (3) and the side plates (1) and/or between the bottom plate (2) and the side plates (1);
the number of the side plates (1) is at least two, the side plates (1) which are adjacently arranged are tightly attached and fixed together through the connecting piece (4), and the connecting surfaces of the adjacent side plates (1) are coated with sealant;
a first positioning groove (7) is further formed in the connecting surface between the top plate (3) and the side plate (1) and/or between the bottom plate (2) and the side plate (1); the first positioning groove (7) is used for limiting the position between any two of the top plate (3), the side plate (1) and the bottom plate (2) which are matched and connected with each other.
2. The enclosure according to claim 1, wherein the top plate (3) and/or the bottom plate (2) and/or the side plate (1) are provided with threaded holes, and the connecting members (4) are screws with a shape adapted to the threaded holes.
3. The enclosure according to claim 2, characterized in that the screw is fittingly connected to the threaded hole by means of an elastic washer (5).
4. The capsule according to claim 1, characterized in that the top plate (3) and/or the bottom plate (2) and/or the side plate (1) are provided with receiving holes (6) for receiving the connectors (4).
5. The capsule according to claim 1, characterised in that the first positioning groove (7) is an annular groove provided on the top plate (3) and/or the bottom plate (2) and arranged opposite the side plate (1).
6. The sealed case for electric equipment according to claim 1,
one of the two adjacent side plates (1) is provided with a second positioning groove (8); the second positioning groove (8) is used for limiting the position between the two side plates (1) which are mutually matched and connected.
7. The capsule according to claim 6, characterised in that the second positioning groove (8) is a strip-shaped groove provided along the edge of the inner side of the outer contour of the side plate (1).
8. The enclosure according to claim 1, wherein the top plate (3) is provided with an opening (9) for passing a cable therethrough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021831069.6U CN213073311U (en) | 2020-08-27 | 2020-08-27 | Sealing shell for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021831069.6U CN213073311U (en) | 2020-08-27 | 2020-08-27 | Sealing shell for electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213073311U true CN213073311U (en) | 2021-04-27 |
Family
ID=75555199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021831069.6U Active CN213073311U (en) | 2020-08-27 | 2020-08-27 | Sealing shell for electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213073311U (en) |
-
2020
- 2020-08-27 CN CN202021831069.6U patent/CN213073311U/en active Active
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