CN211792474U - Bottom-expanded electrical protection shell structure - Google Patents

Abstract

The utility model relates to the technical field of electrical equipment, in particular to an electrical protection shell structure with an expanded bottom, its shell main part includes preceding rear end terminal frame, control the curb plate, panel and bottom plate, the bottom plate includes the bottom subassembly, the side is equipped with first side connecting portion and first side spread groove around the bottom subassembly, the internal surface is equipped with first inner face connecting portion and first inner face spread groove, first side spread groove is located the left side of first side connecting portion, first inner face spread groove is located the left side of first inner face connecting portion, both one-to-one, first side connecting portion and first inner face connecting portion stretch out right, be equipped with on the board of right side with first side connecting portion complex second side spread groove and with first inner face connecting portion complex second inner face spread groove, be equipped with on the board of left side with first side spread groove complex second side connecting portion and with first inner face spread groove complex second inner face connecting portion. The utility model discloses a size extension of electrical protection casing.

Description

Bottom-expanded electrical protection shell structure

Technical Field

The utility model relates to an electrical equipment technical field, concretely relates to electric protection shell structure of bottom extension.

Background

Electrical protection shells made of insulating materials such as plastics are generally used for industrial or electric common electrical appliances, such as relays and protection devices, to encapsulate electronic components or circuit boards and other devices inside the electrical protection shells, so as to protect electrical structures. However, once the conventional electrical protection housing is manufactured and molded, the structure of the conventional electrical protection housing is fixed, and flexible modification cannot be generally performed. The protective shells are designed and manufactured in a matched mode for packaging the electronic circuits inside the protective shells, and correspond to each other one by one. In the production and manufacturing process, the electronic circuit part can be manufactured only after the design of the electronic circuit part is determined, or after the product is manufactured, or after the product is sized, or the design and the manufacture of the electronic circuit part are carried out after the product is manufactured, so that the manufacture and the use of the electronic circuit part are restricted mutually, and the yield and the quality cannot be improved. In the using process of a product, when the circuit function is expanded, the shell needs to be redesigned and the mold needs to be opened again, so that the doing period is long, the investment is large, and great resource waste is inevitably caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric protection shell structure of bottom extension solves above technical problem.

The utility model provides a technical problem can adopt following technical scheme to realize:

an electric protection shell structure with an expanded bottom comprises a shell main body, wherein the shell main body comprises a left side plate, a right side plate, a front terminal frame, a rear terminal frame, a panel and a bottom plate, the front terminal frame and the rear terminal frame are provided with wiring holes convenient for external wires and cables to be connected, wherein,

the bottom plate comprises a bottom component, the bottom component is provided with a first side connecting part, a first inner face connecting part, a first side connecting groove and a first inner face connecting groove, the front side and the rear side of the bottom component are respectively provided with a first side connecting part and a first side connecting groove, the first inner face connecting part and the first inner face connecting groove are both positioned on the inner surface of the bottom component,

the first side connecting groove is positioned at the left side of the first side connecting part,

the first inner face connecting groove is positioned at the left side of the first inner face connecting part and has a one-to-one corresponding structure,

the first side edge connecting part and the first inner face connecting part extend out rightwards,

be equipped with on the board of right side with first side connecting portion complex second side spread groove and with first inner face connecting portion complex second inner face spread groove, be equipped with on the board of left side with first side spread groove complex second side connecting portion and with first inner face spread groove complex second inner face connecting portion, through complex side connecting portion and side spread groove to and complex inner face connecting portion and inner face spread groove, realize bottom subassembly and left side board and the grafting of right side board.

All be equipped with barb structure on first side connecting portion, the second side connecting portion, be convenient for block the notch of first side spread groove and the notch of second side spread groove.

The lower surface of first inner face connecting portion and the lower surface of second inner face connecting portion all are equipped with the recess, the left side that lies in second inner face spread groove on the board of right side is equipped with the recess complex barb structure with the lower surface of first inner face connecting portion, the left side that lies in first inner face connecting portion on the bottom subassembly is equipped with the barb structure with second inner face connecting portion complex.

The bottom plate comprises at least two bottom components, and the adjacent bottom components are spliced by mutually inserting a first side connecting part and a first inner face connecting part on the bottom component positioned on the left side and a first side connecting groove and a first inner face connecting groove on the bottom component positioned on the right side;

the bottom assembly positioned at the leftmost side is spliced with the second side edge connecting part and the second inner surface connecting part of the left side plate through the first side edge connecting groove and the first inner surface connecting groove on the bottom assembly;

the bottom assembly is located on the rightmost side and is spliced with the second side connecting groove and the second inner face connecting groove of the right side plate through the first side connecting portion and the first inner face connecting portion on the bottom assembly.

The front side and the rear side of the bottom component are both provided with a vertical to the ear plates of the inner surface of the bottom component, and the first side connecting parts and the first side connecting grooves on the front side and the rear side of the bottom component are both arranged on the ear plates corresponding to the sides.

The first inner face connecting portion on the bottom assembly are provided with at least two, and the second inner face connecting groove on the right side plate and the first inner face connecting portion are in a one-to-one corresponding structure.

The first inner face connecting groove on the bottom component is provided with at least two, and the second inner face connecting part on the left side plate and the first inner face connecting groove are in a one-to-one corresponding structure.

First inner face connecting portion on the bottom subassembly and the first inner face spread groove that corresponds rather than be the integral structure, through the reverse one side fluting formation first inner face spread groove of the end that stretches out at first inner face connecting portion, and the left and right sides of the first inner face connecting portion of fluting structure intercommunication.

The left side plate is provided with a left supporting plate perpendicular to the inner surface of the left side plate, the right side plate is provided with a right supporting plate perpendicular to the inner surface of the right side plate, and when the electric protection shell is molded, the left end of the panel is erected on the left supporting plate, and the right end of the panel is erected on the right supporting plate.

The outer surface of the bottom component is provided with a mounting groove convenient for mounting a guide rail connecting buckle, the mounting groove comprises a mounting groove left part and a mounting groove right part, the mounting groove left part is positioned on the left side of the outer surface of the bottom component, the mounting groove right part is positioned on the right side of the outer surface of the bottom component, and a gap between the mounting groove left part and the mounting groove right part is used for placing the guide rail connecting buckle;

the left part of the mounting groove is provided with a rightward slot, the right part of the mounting groove is provided with a leftward slot, and the two slots are opposite to each other.

The utility model provides an internal surface means after the structure shaping is the electric protection casing, the side surface towards the casing inner chamber of each curb plate, bottom plate and panel.

The utility model discloses a set up the extension that the bottom subassembly realized the electric protection casing, a plurality of bottom subassembly accessible splice each other and make the length dimension of the left and right sides direction of electric protection casing can prolong, the front end sub-frame that matches with length dimension deuterogamies, rear terminal frame and panel, can accomplish the size extension of electric protection casing, make the cavity in it can hold the circuit board that the size is bigger, can avoid to a certain extent leading to extravagant too much production material because of the circuit board design has the change, abandonment whole batch the condition of the product of having made even, for the extension needs, length (left and right directions) size that can correspond according to the multiple different concatenation schemes of bottom subassembly in advance corresponds the front end sub-frame of size for standard production, rear terminal frame and panel are in order to expand the use.

Has the advantages that: since the technical scheme is used, the utility model discloses a redesign is carried out to the bottom structure of shell main part, makes whole product have following advantage:

1. expansion performance with package space: the expansion of the size of the product can be met by adding more bottom components, so that the packaging space in the product is expanded, and the product is suitable for circuit board structures with different sizes;

2. the expanded composite material has better assembly structural strength: through the connecting structure between the adjacent bottom components, the expanded product has relatively good firmness, is not easy to loosen and has high overall structural strength;

3. flexible bottom snap adaptability: the bottom of the shell structure after expansion has good adaptability to the original buckle that is used for installing on the electric guide rail, need not redesign buckle, can use original buckle to accomplish the installation and the fixed of expansion casing.

Drawings

Fig. 1 is a schematic view of an overall structure of the present invention;

fig. 2 is a schematic view of the upper surface of the bottom assembly of the present invention;

FIG. 3 is a schematic view of a lower surface of the bottom assembly of the present invention;

fig. 4 is a schematic structural view of the inner surface of the left side plate of the present invention;

fig. 5 is a schematic structural view of the inner surface of the right side plate of the present invention;

FIG. 6 is a schematic view of the structure of the lower surface of the expanded base plate based on the four base assemblies of FIG. 1;

fig. 7 is a schematic structural diagram of the upper surface of the expanded base plate based on the four base assemblies of fig. 1.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings. It is noted that the terms "first," "second," "third," "fourth," and the like (if any) in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises" or "comprising," and any variations thereof, are intended to cover non-exclusive inclusions, such that a product or apparatus that comprises a list of elements or units is not necessarily limited to those elements or units expressly listed, but may include other elements or units not expressly listed or inherent to such product or apparatus.

Referring to fig. 1 to 7, an electrical protection shell structure with an expanded bottom includes a shell main body, the shell main body includes a left side plate 10, a right side plate 20, a front terminal frame 30, a rear terminal frame 40, a panel 50 and a bottom plate, wiring holes convenient for external electric wires and cables to access are provided on the front terminal frame 30 and the rear terminal frame 40, the bottom plate includes a bottom assembly 60, and the bottom assembly 60 is provided with a first side connecting portion 101, a first inner face connecting portion 102, a first side connecting groove 111 and a first inner face connecting groove 112.

It should be noted that the front terminal frame and the rear terminal frame of the present invention, which are also called terminal boards, are generally used as the wiring terminals, and have an opening structure for facilitating the introduction of the threading.

The front side and the rear side of the bottom member 60 are provided with a first side connecting portion 101 and a first side connecting groove 111, and the first inner face connecting portion 102 and the first inner face connecting groove 112 are located on the inner surface of the bottom member. The first side connecting groove 111 is located at the left side of the first side connecting portion 101.

The first inner connecting slots 112 are located on the left side of the first inner connecting portion 102, and are in a one-to-one correspondence structure.

The first side connecting portion 101 and the first inner face connecting portion 102 protrude rightward.

Referring to fig. 5, the right side plate 20 is provided with a second side connecting groove 211 engaged with the first side connecting portion 101 and a second inner connecting groove 212 engaged with the first inner connecting portion 102. Referring to fig. 4, the left side plate 10 is provided with a second side connecting portion 201 engaged with the first side connecting groove 111 and a second inner connecting portion 202 engaged with the first inner connecting groove 112, and the bottom assembly is inserted into the left side plate and the right side plate through the engaged side connecting portion and side connecting groove, and the engaged inner connecting portion and inner connecting groove.

All be equipped with barb structure on first side connecting portion 101, the second side connecting portion 201, be convenient for block the notch of first side connecting groove 111 and the notch of second side connecting groove 211. As in the configuration shown in fig. 2 and 3, a barb arrangement 901 is shown on the front side of the base assembly.

The lower surface of the first inner face connecting portion 102 and the lower surface of the second inner face connecting portion 202 are both provided with grooves, the left side of the second inner face connecting groove 212 on the right side plate 20 is provided with a barb structure 903 matched with the groove of the lower surface of the first inner face connecting portion 102, and the left side of the first inner face connecting portion 102 on the bottom component is provided with a barb structure 902 matched with the second inner face connecting portion 202.

The utility model can realize the expansion of the inner cavity volume of the electric protection shell by splicing a plurality of bottom components, for this reason, the bottom plate comprises at least two bottom components, and the adjacent bottom components are spliced with the first side connecting groove 111 and the first inner connecting groove 112 on the bottom component on the right side through the first side connecting part 101 and the first inner connecting part 102 on the left bottom component; the bottom assembly located at the leftmost side is plugged with the second side connecting part 201 and the second inner connecting part 202 of the left side plate 10 through the first side connecting groove 111 and the first inner connecting groove 112 thereon; the bottom module located at the rightmost side is plugged by the first side connecting part 101 and the first inner connecting part 102 on the bottom module and the second side connecting groove 211 and the second inner connecting groove 212 of the right side plate 20. Fig. 6 and 7 show an expansion structure formed by splicing four bottom components.

The front side and the rear side of the bottom module 60 are both provided with ear plates perpendicular to the inner surface of the bottom module, and the first side connecting portion 101 and the first side connecting groove 111 located on the front side and the rear side of the bottom module are both provided on the ear plates of the corresponding sides.

At least two first inner surface connecting portions 102 are provided on the bottom member 60, and the second inner surface connecting grooves 212 on the right side plate 20 are in a one-to-one correspondence with the first inner surface connecting portions 102.

At least two first inner connecting slots 112 are provided on the bottom member 60, and the second inner connecting portions 202 on the left side plate 10 and the first inner connecting slots 112 are in a one-to-one correspondence structure.

In some preferred embodiments, the first inner surface connecting portion 102 of the bottom member 60 and the corresponding first inner surface connecting groove 112 are formed as a single body, the first inner surface connecting groove 112 is formed by slotting on the opposite side of the protruding end of the first inner surface connecting portion 102, and the slotting structure connects the left and right sides of the first inner surface connecting portion 102.

The left side plate 10 is provided with a left supporting plate 11 perpendicular to the inner surface of the left side plate, the right side plate 20 is provided with a right supporting plate 21 perpendicular to the inner surface of the right side plate, and when the electrical protection shell is molded, the left end of the panel 50 is erected on the left supporting plate 11, and the right end of the panel is erected on the right supporting plate 21. Under the condition that set up the adjust knob hole site on the panel, also need to correspond on left layer board and the right layer board and set up the hole site. In addition, in order to facilitate the installation and fixation of the panel 50, vertical positioning plates may be provided on the left and right support plates, and the positioning plates may be provided in plurality at a certain distance along the outer surfaces of the left and right support plates.

In order to facilitate the installation of the front terminal frame and the rear terminal frame, side plate connecting members are provided on the inner surfaces of the left and right side plates, as shown in fig. 4 and 5, a side plate connecting member 12 for facilitating the connection of the rear terminal frame and a side plate connecting member for facilitating the connection of the front terminal frame are provided on the left side plate 10, and a side plate connecting member 22 for facilitating the connection of the rear terminal frame and a side plate connecting member for facilitating the connection of the front terminal frame are provided on the right side plate 20. As shown in fig. 4 and 5, the side plate connector 12 includes a toothed plate and a guide plate, wherein the toothed plate is provided with inverted teeth, the guide plate is of a straight plate structure and is positioned during assembly, and the toothed plate is clamped by the inverted teeth. Correspondingly, the side plate connecting piece 22 has the same structure as the side plate connecting piece 12, and also comprises a toothed plate and a guide plate.

In addition, an ear plate parallel to the base assembly is provided on each of the left and right side plate bottom portions, as shown in FIG. 4 as ear plate 19 (to which the left side plate reference numeral index in FIG. 1 is directed), which may be used to support the second inner face attachment portion 202, and as shown in FIG. 5 as ear plate 29 (to which the right side plate reference numeral index in FIG. 1 is directed), which may be used to support the second inner face attachment portion 212.

The outer surface of the bottom member 60 is provided with mounting grooves for facilitating the mounting of the rail attachment clips 70. As shown in fig. 3, the mounting groove includes a mounting groove left portion 62 and a mounting groove right portion 61, which are respectively provided on the left and right sides of the outer surface of the bottom assembly. The space between the two is used for placing the rail connecting buckle 70. The mounting groove left part 62 is provided with a groove facing the mounting groove right part, and the mounting groove right part 61 is provided with a groove facing the mounting groove left part, wherein the two grooves are opposite to each other. The grooving has the effect of enabling the wall thickness of the structure to be uniform. Set up the locating part that is used for fixed guide rail connection buckle 70 and the knot 904 that draws that is connected with the locating part on the bottom subassembly surface at the space place between mounting groove left part and the right part, be equipped with on the connection buckle 70 with draw knot 904 complex connection structure, this is guide rail connection buckle's traditional structure, no longer gives details.

To longer bottom subassembly, can set up a set of mounting groove left part and right part in the position that is close to the preceding side, set up a set of mounting groove left part and right part in the position that is close to the back side.

It should be noted that the inner surface of the present invention refers to a side surface of each side plate, bottom plate and face plate facing the inner cavity of the housing after the structure is formed into the electrical protection housing.

The utility model discloses a set up the extension that the bottom subassembly realized the electric protection casing, a plurality of bottom subassembly accessible splice each other and make the length dimension of the left and right sides direction of electric protection casing can prolong, the front end sub-frame that matches with length dimension deuterogamies, rear terminal frame and panel, can accomplish the size extension of electric protection casing, make the cavity in it can hold the circuit board that the size is bigger, can avoid to a certain extent leading to extravagant too much production material because of the circuit board design has the change, abandonment whole batch the condition of the product of having made even, for the extension needs, length (left and right directions) size that can correspond according to the multiple different concatenation schemes of bottom subassembly in advance corresponds the front end sub-frame of size for standard production, rear terminal frame and panel are in order to expand the use. In addition, for the manufacture of new products, the design of the shell modularized combination structure can effectively control the investment of the mold cost and shorten the development period, thereby meeting the market demand more quickly.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. An electric protection shell structure of bottom extension, includes the shell main part, the shell main part includes left side board, right side board, front end rack, rear end rack, panel and bottom plate, be equipped with the wiring hole on front end rack and the rear end rack, its characterized in that, the bottom plate includes a bottom subassembly, be equipped with first side connecting portion, first inner face connecting portion, first side spread groove and first inner face spread groove on the bottom subassembly, the front side of bottom subassembly and rear side all are equipped with a first side connecting portion and a first side spread groove, first inner face connecting portion and first inner face spread groove all are located the internal surface of bottom subassembly, first side spread groove is located the left side of first side connecting portion, first spread groove inner face is located the left side of first inner face connecting portion, and both are the one-to-one structure, first side connecting portion and first inner face connecting portion stretch out to the right, the right side plate is provided with a second side connecting groove matched with the first side connecting part and a second inner face connecting groove matched with the first inner face connecting part, and the left side plate is provided with a second side connecting part matched with the first side connecting groove and a second inner face connecting part matched with the first inner face connecting groove.

2. The bottom-spreading electrical protective case structure of claim 1, wherein the first side connecting portion and the second side connecting portion are each provided with a barb structure.

3. The bottom-spreading electrical protective casing structure according to claim 2, wherein the lower surface of the first inner connecting portion and the lower surface of the second inner connecting portion are both provided with grooves, the left side of the second inner connecting groove on the right side plate is provided with barb structures which are matched with the grooves of the lower surface of the first inner connecting portion, and the left side of the first inner connecting portion on the bottom member is provided with barb structures which are matched with the second inner connecting portion.

4. The bottom-extended electrical protective case structure of claim 3, wherein said bottom plate comprises at least two bottom modules, and adjacent bottom modules are plugged into each other through a first side connecting portion and a first inner connecting portion on the bottom module on the left side and a first side connecting groove and a first inner connecting groove on the bottom module on the right side;

the bottom assembly positioned at the leftmost side is spliced with the second side edge connecting part and the second inner surface connecting part of the left side plate through the first side edge connecting groove and the first inner surface connecting groove on the bottom assembly;

the bottom assembly located on the rightmost side is connected with the second side edge connecting groove and the second inner face connecting groove of the right side plate in an inserting mode through the first side edge connecting portion and the first inner face connecting portion on the bottom assembly.

5. The bottom-extended electrical protective casing structure of claim 4, wherein the front side and the rear side of the bottom member are each provided with an ear plate perpendicular to the inner surface of the bottom member, and the first side connecting portions and the first side connecting grooves on the front side and the rear side of the bottom member are each provided on the ear plate on the corresponding side.

6. The bottom-extended electrical protection casing structure of any one of claims 1 to 5, wherein at least two first inner face connecting portions are provided on the bottom assembly, and the second inner face connecting groove on the right side plate and the first inner face connecting portion are in a one-to-one correspondence structure.

7. The bottom-extended electrical protective casing structure of any one of claims 1 to 5, wherein there are at least two first inner face connecting grooves on the bottom component, and the second inner face connecting part on the left side plate and the first inner face connecting grooves are in a one-to-one correspondence structure.

8. The bottom-extended electrical protection casing structure of any one of claims 1 to 5, wherein the first inner face connecting portion of the bottom member and the corresponding first inner face connecting groove are integrated, the first inner face connecting groove is formed by notching the opposite side of the protruding end of the first inner face connecting portion, and the notched structure connects the left and right sides of the first inner face connecting portion.

9. The electrical protective shell structure with an extended bottom as claimed in claim 1, wherein a left support plate perpendicular to the inner surface of the left side plate is disposed on the left side plate, a right support plate perpendicular to the inner surface of the right side plate is disposed on the right side plate, and when the electrical protective shell is formed, the left end of the panel is erected on the left support plate, and the right end of the panel is erected on the right support plate.

10. The bottom-extended electrical protection shell structure of claim 1, wherein the outer surface of the bottom assembly is provided with a mounting groove for facilitating mounting of a rail attachment clip, the mounting groove comprises a mounting groove left portion and a mounting groove right portion, the mounting groove left portion is located on the left side of the outer surface of the bottom assembly, the mounting groove right portion is located on the right side of the outer surface of the bottom assembly, and a gap between the mounting groove left portion and the mounting groove right portion is used for placing the rail attachment clip;

the left part of the mounting groove is provided with a rightward slot, the right part of the mounting groove is provided with a leftward slot, and the two slots are opposite to each other.

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