Shell assembly and distribution box thereof

Abstract

The utility model relates to the field of connecting components, in particular to a shell assembly and a distribution box with the shell assembly. According to the shell assembly, a face cover covers the front side of a face frame, and the face frame is formed by splicing a plurality of rectangular face frame units which are of the same structure and comprise a first face frame unit and a second face frame unit. The first local groove is formed in a first corner part of the face frame unit; the second local groove is formed in the second corner of the face frame unit, and the first corner and the second corner are located at the two ends of the first edge of the face frame unit respectively. The first face frame unit and the second face frame unit are connected in the mode that the first edges of the first face frame unit and the second face frame unit are connected, and the first local groove and the second local groove are combined to form a complete first connecting groove and a complete second connecting groove. The connecting piece comprises a first connecting piece and a second connecting piece, and the first face frame unit and the second face frame unit are fixedly connected in the mode that the first connecting piece is clamped in the first connecting groove, and the second connecting piece is clamped in the second connecting groove.

Description

Technical Field

[0001] The utility model relates to the field of connecting components, in particular to a shell component and a distribution box having the shell component. Background Art

[0002] In order to improve the appearance and safety of the distribution box, a cover is usually provided on the front side of the frame, and the cover can shield the frame and the internal electrical components.

[0003] In order to flexibly adapt to different installation environments and working scenarios, multiple distribution boxes are often required to work in combination in actual applications. Figure 1 As shown, the distribution box 101 in the prior art is relatively large in size, and when multiple distribution boxes 101 are stacked, the space occupied is also relatively large. Moreover, when multiple distribution boxes 101 are installed and inspected for internal electrical components, the shells of the multiple distribution boxes 101 need to be opened and closed in sequence, which is cumbersome for operators to operate. Summary of the invention

[0004] In view of the above problems, the technical solution of the utility model provides a shell assembly and a distribution box having the shell assembly. By optimizing the structure of the shell assembly of the distribution box, the operation of combining multiple distribution boxes is more convenient and the overall space occupied is smaller.

[0005] In the technical solution of the utility model, a shell assembly is provided, including a face frame and a face cover, the face cover covers the front side of the face frame, and the face frame is composed of a plurality of rectangular face frame units with the same structure, including a first face frame unit and a second face frame unit. The face frame unit includes a first partial groove and a second partial groove, the first partial groove is arranged at the first corner of the face frame unit; the second partial groove is arranged at the second corner of the face frame unit, and the first corner and the second corner are respectively located at the two ends of the first side of the face frame unit. The first face frame unit and the second face frame unit are connected in a manner that their respective first sides are connected, the first partial groove of the first face frame unit and the second partial groove of the second face frame unit are combined into a complete first connecting groove, and the second partial groove of the first face frame unit and the first partial groove of the second face frame unit are combined into a complete second connecting groove. The shell assembly also includes a connecting member, the connecting member includes a first connecting member and a second connecting member, and the first face frame unit and the second face frame unit are fixedly connected in a manner that the first connecting member is clamped in the first connecting groove and the second connecting member is clamped in the second connecting groove.

[0006] According to the technical solution of the utility model, the face frame in the shell assembly is designed to be a plurality of face frame units that can be detached and combined. The face frame unit can be used as a face frame alone or as a shell assembly of a separate distribution box. The two face frame units can be connected in a manner that their first sides are connected, and one of the face frame units is rotated 180° and abutted against the other face frame unit, and then the two face frame units are combined by means of a connector for clamping and fixing, so as to form a complete face frame, which can be used as a shell assembly of two adjacent distribution boxes. Compared with the solution in the prior art that multiple distribution boxes respectively use separate shells, the abutment and cooperation of the two face frame units enables multiple distribution boxes to use a combined shell assembly, so that the space occupied by the external shell assemblies of the multiple distribution boxes is smaller, and when combining, only the originally independent face frame units need to be rotated and abutted to complete the combination action, which is convenient to operate and low in cost. Furthermore, the multiple face frame units connected in combination can be opened and closed synchronously, making the installation and maintenance actions of the operator more convenient.

[0007] In the technical solution of the utility model, the first partial groove or the second partial groove includes a first rib and a second rib, the first rib extends in a direction parallel to the first side and is separated from the first side; the second rib extends in a direction perpendicular to the first side, from the end of the first rib to be connected to the first side, and the first partial groove and the second partial groove are combined into a complete connecting groove in a manner that two first ribs are separated and opposed and two second ribs are collinear.

[0008] According to the technical solution of the utility model, when the first sides of the two surface frame units abut against each other, the first partial groove and the second partial groove of the first surface frame unit can respectively abut against the second partial groove and the first partial groove of the second surface frame unit, the two first ribs are opposed to each other in a direction parallel to the first sides to form two side sides of the connecting groove, and the two second ribs are connected in a direction perpendicular to the first sides to form the bottom side of the connecting groove.

[0009] Preferably, in the technical solution of the utility model, the first partial groove or the second partial groove further includes a sliding limit groove and a protrusion, the sliding limit groove is provided in the first rib and extends in a direction parallel to the first side; the protrusion is provided on a side of the first rib away from the first side and is located on a side of the sliding limit groove closer to the second rib. The connecting member can be inserted into the connecting groove along the sliding limit groove and fixed with the protrusion.

[0010] Preferably, in the technical solution of the present invention, the connecting member includes two locking members, which are respectively arranged at the first end and the second end opposite to the connecting member, and the end of the locking member is formed with a snap-fitting portion, and the snap-fitting portions of the two locking members are respectively snapped into the raised portions of the first partial groove and the second partial groove, so as to fix the first face frame unit / the second face frame unit and the connecting member in a direction parallel to the first edge.

[0011] Furthermore, in the technical solution of the utility model, the locking member further comprises a necking portion, the size of the necking portion is adapted to the size of the sliding limit groove, and the connecting member enters the connecting groove in a manner that the necking portion slides in the sliding limit groove. The first face frame unit / the second face frame unit and the connecting member are fixed in a direction perpendicular to the first side by the engagement of the necking portion and the sliding limit groove.

[0012] Preferably, in the technical solution of the present invention, the first partial groove or the second partial groove also includes a stop portion, which is arranged on a side of the first rib facing away from the first edge and is located on a side of the protrusion closer to the second rib, to shield and protect the engaging connection portion between the locking piece of the connecting piece and the first face frame unit / the second face frame unit.

[0013] Preferably, in the technical solution of the present invention, the connecting member in the shell assembly is a rotating connecting member, and the face cover is rotatably connected to the face frame by means of the rotating connecting member. Further, the multiple face frame units that are combined and connected can be opened and closed synchronously, making the installation and maintenance actions of the operator more convenient.

[0014] Furthermore, in the technical solution of the utility model, the rotating connection member includes a shaft and a sleeve, the shaft is arranged on one side of the face frame and the face cover, the sleeve is arranged on the other side of the face frame and the face cover, and the shaft and the sleeve are detachably connected and rotatably connected. The rotating connection members are arranged at both ends of the face frame, respectively, and the user can use the rotating connection member as a pivot and open the face cover from this side, so that both sides of the housing assembly can be opened and closed.

[0015] The technical solution of the utility model also provides a distribution box having the above-mentioned shell assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the shell components of multiple distribution boxes in the prior art.

[0017] Figure 2 It is a schematic structural diagram of the housing assembly in the embodiment of the present utility model when it is closed.

[0018] Figure 3 It is a schematic structural diagram of the shell assembly in the embodiment of the present utility model when it is opened.

[0019] Figure 4 It is a schematic structural diagram of a face frame in an embodiment of the present utility model.

[0020] Figure 5 It is a schematic structural diagram of a surface frame unit in an embodiment of the present utility model.

[0021] Figure 6 It is a structural schematic diagram of the first connecting groove in an embodiment of the utility model.

[0022] Figure 7 It is a structural schematic diagram of the first connecting member in an embodiment of the utility model.

[0023] Figure 8 It is a schematic diagram of the assembly of the first connecting member in the implementation mode of the utility model.

[0024] Figure numerals: 100-shell assembly, 1-face frame, 10-face frame unit, 11-first face frame unit, 12-second face frame unit, 2-face cover; 3-connecting member, 301-first connecting member, 302-second connecting member, 31-shaft, 32-shaft sleeve, 33-locking member, 331-necked portion, 332-engaging portion, 41-first partial groove, 411-first rib, 412-second rib, 42-second partial groove, 421-first rib, 422-second rib, 43-sliding limiting groove, 44-protrusion, 45-stop portion, 51-first edge, 511-first corner, 512-second corner, 61-first connecting groove, 62-first connecting groove, DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Figure 2 is a schematic structural diagram of the housing assembly 100 in this embodiment when it is closed. Figure 3 It is a schematic structural diagram of the housing assembly 100 in this embodiment when it is opened.

[0027] refer to Figure 2 and Figure 3 In the first embodiment of the utility model, a housing assembly 100 of a distribution box is disclosed. The housing assembly 100 includes a face frame 1, a face cover 2, and a connector 3. The face cover 2 covers the front side of the face frame 1. The central opening of the face frame 1 allows the electric components to be arranged therein. The outer edge of the housing assembly 100 is along Figure 2 and Figure 3 The housing assembly 100 has a first end and a second end opposite to each other in the left and right directions. The housing assembly 100 is provided with three groups of connecting members 3 at the first end and three groups of connecting members 3 at the second end. The connecting members 3 are used to connect the face frame 1 and the face cover 2 .

[0028] Figure 4 It is a schematic structural diagram of the face frame 1 in the embodiment of the present utility model. Figure 5It is a schematic structural diagram of the surface frame unit 10 in the embodiment of the present utility model.

[0029] like Figure 4 and Figure 5 As shown, in this embodiment, the face frame 1 is composed of two rectangular face frame units 10 of the same structure, namely, the first face frame unit 11 and the second face frame unit 12. The face frame unit 10 includes a first partial groove 41 and a second partial groove 42, the first partial groove 41 is arranged at the first corner 511 of the face frame unit 10; the second partial groove 42 is arranged at the second corner 512 of the face frame unit 10, and the first corner 511 and the second corner 512 are respectively located at the two ends of the first side 51 of the face frame unit 10. The first partial groove 41 and the second partial groove 42 are symmetrically formed at the two ends of the first side 51, and the entire face frame unit 20 is an axisymmetric structure with the central axis perpendicular to the first side 51, namely, the y-axis as the symmetry axis. Among them, the first side 51 is a long side of the rectangular face frame unit 10. In other embodiments of the utility model, the shape of the face frame unit 10 and the selection of the first side 51 are not limited, and the face frame unit 10 can also be other polygons, or the first side 51 can also be set to the short side of the rectangular face frame unit 10.

[0030] refer to Figure 4 In this embodiment, after the first face frame unit 11 and the second face frame unit 12 are disposed adjacent to each other, the second face frame unit 12 is rotated 180° as indicated by the dotted arrow, so that the first face frame unit 11 and the second face frame unit 12 are connected in a manner that their respective first edges 51 are connected. The first partial groove 41 of the first face frame unit 11 and the second partial groove 42 of the second face frame unit 12 are combined into a complete first connection groove 61, and the second partial groove 42 of the first face frame unit 11 and the first partial groove 41 of the second face frame unit 12 are combined into a complete second connection groove 62. The connecting member 3 includes a first connecting member 301 and a second connecting member 302, and the first face frame unit 11 and the second face frame unit 12 are fixedly connected in a manner that the first connecting member 301 is clamped in the first connection groove 61, and the second connecting member 302 is clamped in the second connection groove 62.

[0031] It is worth mentioning that in other embodiments of the present invention, a first partial groove 41 and a second partial groove 42 can also be opened on the edge of the surface frame unit 10 opposite to or adjacent to the first edge 51, so as to realize the combination of multiple surface frame units 10 in various directions and in various forms, which is not limited here.

[0032] Figure 6 It is a schematic structural diagram of the first connecting groove 61 in the embodiment of the present utility model.

[0033] like Figure 6As shown, in this embodiment, the first partial groove 41 of the first face frame unit 11 includes a first rib 411 and a second rib 412. The first rib 411 extends in a direction parallel to the first side 51 (x direction) and is separated from the first side 51; the second rib 412 extends in a direction perpendicular to the first side (y direction) from the end of the first rib 411 to connect with the first side 51. The second partial groove 42 of the second face frame unit 12 includes a first rib 421 and a second rib 422. The first rib 421 extends in a direction parallel to the first side 51 (x direction) and is separated from the first side 51; the second rib 422 extends in a direction perpendicular to the first side (y direction) from the end of the first rib 421 to connect with the first side 51.

[0034] When the first side 51 of the first face frame unit 11 and the first side frame unit 12 abut against each other, the first partial groove 41 of the first face frame unit 11 abuts against the second partial groove 42 of the second face frame unit 12, and the first partial groove 41 and the second partial groove 42 are combined into a complete first connection groove 61 in the manner that the first rib 411 and the first rib 421 are separated and opposed, and the second rib 412 and the second rib 422 are colinear. The first rib 411 and the first rib 421 are opposed in a direction parallel to the first side 51 (x direction) to form two side edges of the first connection groove 61, and the second rib 412 and the second rib 422 are connected in a direction perpendicular to the first side 51 (y direction) to form the bottom edge of the first connection groove 61. The first connection groove 61 is formed as a rectangular groove that is recessed in a direction parallel to the first side 51 (x direction).

[0035] refer to Figure 6 In this embodiment, the first partial groove 41 in the first face frame unit 11 further includes a sliding limit groove 43 and a protrusion 44. The sliding limit groove 43 is provided in the first rib 411 and extends in a direction (x direction) parallel to the first side 51. The sliding limit groove 43 is formed as a rectangular groove on the first rib 411 that is recessed in a direction (x direction) parallel to the first side 51. The protrusion 44 is provided on a side of the first rib 411 that is away from the first side 51 and is located on a side of the sliding limit groove 43 that is closer to the second rib 412. The protrusion 44 is formed as a right-angled trapezoid with the hypotenuse facing the sliding limit groove 43. One end of the connector 3 can be inserted into the first partial groove 41 along the sliding limit groove 43 and fixed with the protrusion 44. The first partial groove 41 also includes a stopper 45, which is arranged on a side of the first rib 411 away from the first edge 51 and located on a side of the protrusion 44 closer to the second rib 412, and can shield and protect the engaging connection portion between the connector 3 and the first partial groove 41. Similarly, the second partial groove 42 in the second face frame unit 12 includes the same structures as the first partial groove 41, such as the sliding limit groove 43, the protrusion 44 and the stopper 45, and the various parts of the first partial groove 41 and the second partial groove 42 are axially symmetrical structures with the first edge 51 as the symmetry axis.

[0036] Figure 7 It is a schematic structural diagram of the first connecting member 301 in an embodiment of the present utility model. Figure 8 It is a schematic diagram of the assembly of the first connecting member 301 in the embodiment of the present utility model.

[0037] by Figure 1 The inner side-outer side direction defined in is the inner side-outer side direction. In this embodiment, each group of connecting members 3 is arranged at the end of the inner side-outer side direction. Figure 7 and Figure 8 The connecting member 3 in the housing assembly 100 is a rotating connecting member, and the connecting member 3 includes a shaft 31 and a shaft sleeve 32, and the shaft 31 and the shaft sleeve 32 are detachably connected and rotatably connected. In this embodiment, the shaft 31 is fixed to the end of the inner and outer directions of the face cover 2, and the shaft sleeve 32 is arranged at the end of the inner and outer directions of the face frame 1. In other embodiments, the shaft 31 can also be arranged on the face frame 1, and the shaft sleeve 32 can be arranged on the face cover 2, and the utility model does not limit this.

[0038] refer to Figure 2 , Figure 2 The middle shell assembly 100 is opened with the three groups of connectors 3 on the right side as the rotation axis, that is, when the face cover 2 is opened, the shaft 31 and the sleeve 32 of the connector 3 on the right side are still connected, and because the user applies a pulling force to the left side of the face cover 2 when opening the face cover 2, the shaft 31 and the sleeve 32 of the connector 3 on the left side are separated from each other, the shaft 31 is still fixed to the end of the face cover 2, and the sleeve 32 is still set at the end of the face frame 1. Similarly, the shell assembly 100 can also be opened with the three groups of connectors 3 on the left side as the rotation axis, that is, when the face cover 2 is opened, the shaft 31 and the sleeve 32 of the connector 3 on the left side are still connected in rotation, and the shaft 31 and the sleeve 32 of the connector 3 on the right side are separated from each other. The user can use the connector 3 as a pivot and open the face cover 2 through the connector 3, so that both sides of the shell assembly 100 can be opened and closed.

[0039] refer to Figure 7 and Figure 8 In this embodiment, the first connecting member 301 includes two locking members 33, which are respectively arranged at the first end and the second end opposite to the first connecting member 301. The locking member 33 is formed with a necking portion 331 extending in a direction (x direction) parallel to the first side 51, and the size of the necking portion 331 is adapted to the size of the sliding limit groove 43. The end of the locking member 33 is also formed with a clamping portion 332 protruding toward the first side 51.

[0040] After the first face frame unit 11 and the second face frame unit 12 are arranged in the form of abutting the first side 51, the first partial groove 41 of the first face frame unit 11 and the second partial groove 42 of the second face frame unit 12 form the first connection groove 61. The first connection member 301 enters the first connection groove 61 in the form of the necking parts 331 of the two locking members 33 sliding in the sliding limit grooves 43 of the first partial groove 41 and the second face frame unit 12 respectively, and the main body of the first connection member 301 is clamped into the first connection groove 61 along the direction parallel to the first side 51 (x direction), so that the first connection member 301 is respectively abutted against the first rib 411, the first rib 421, the second rib 412 and the second rib 422 of the first connection groove 61, so that the clamping parts 332 of the two locking members 33 are respectively clamped on the protruding parts 44 of the first partial groove 41 and the second partial groove 42. The first face frame unit 11 / the second face frame unit 12 and the first connecting member 301 are fixed in a direction perpendicular to the first side 51 by the engagement of the necking portion 33 and the sliding limiting groove 43. The first face frame unit 11 / the second face frame unit 12 and the first connecting member 301 are fixed in a direction parallel to the first side 51 (x direction) by the engagement of the engaging portion 332 and the protruding portion 44.

[0041] Similarly, at the other end of the face frame 1, the second connecting member 302 is engaged in the second connecting groove 62 formed by the second partial groove 42 of the first face frame unit 11 and the first partial groove 41 of the second face frame unit 12, thereby realizing the connection and fixation between the first face frame unit 11 and the second face frame unit 12 through the first connecting member 301 and the second connecting member 302.

[0042] In the embodiment of the utility model, the face frame 1 in the shell assembly 100 is designed to be a plurality of face frame units 10 that can be detached and combined. The face frame unit 10 can be used as a face frame 1 alone or as a shell assembly of a separate distribution box. Two or more face frame units 10 can also be combined by means of a connector 3 for clamping and fixing to form a complete face frame 1, which can be used as a shell assembly 100 of two or more adjacently arranged distribution boxes. Compared with the solution in the prior art that multiple distribution boxes respectively use separate shells, the abutment and cooperation of two or more face frame units 10 enables multiple distribution boxes to use a combined shell assembly 100, so that the space occupied by the external shell assembly 100 of multiple distribution boxes is smaller; and the multiple face frame units 10 connected in combination can be opened and closed synchronously, making the installation and maintenance actions of the operator more convenient.

[0043] In an embodiment of the present utility model, a distribution box is also provided, which has the above-mentioned housing assembly 100.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A housing assembly, comprising: Face frame; The face cover covers the front side of the face frame, wherein the face frame is composed of a plurality of rectangular face frame units with the same structure, including a first face frame unit and a second face frame unit, and the face frame unit includes: A first partial groove is provided at a first corner of the face frame unit; A second partial groove is provided at a second corner of the face frame unit, wherein the first corner and the second corner are respectively located at two ends of a first side of the face frame unit; The first face frame unit and the second face frame unit are connected in a manner that the first edges of the respective faces are connected, the first partial groove of the first face frame unit and the second partial groove of the second face frame unit are combined into a complete first connection groove, the second partial groove of the first face frame unit and the first partial groove of the second face frame unit are combined into a complete second connection groove, and the housing assembly further includes: The connecting member includes a first connecting member and a second connecting member. The first face frame unit and the second face frame unit are fixedly connected in a manner that the first connecting member is clamped in the first connecting groove and the second connecting member is clamped in the second connecting groove.

2. The housing assembly according to claim 1, wherein: The first partial slot or the second partial slot comprises: a first rib extending in a direction parallel to the first side and spaced apart from the first side; The second rib extends from the end of the first rib to be connected to the first side in a direction perpendicular to the first side, and the first partial groove and the second partial groove are combined into a complete connecting groove in a manner that two first ribs are separated and opposed and two second ribs are collinear.

3. The housing assembly according to claim 2, wherein: The first partial slot or the second partial slot further comprises: a sliding limit groove, which is formed on the first rib and extends in a direction parallel to the first side; The raised portion is arranged on a side of the first rib away from the first edge and is located on a side of the sliding limiting groove closer to the second rib.

4. The housing assembly according to claim 3, characterized in that: The connecting member includes two locking members, which are respectively arranged at the first end and the second end opposite to the connecting member. The ends of the locking members are formed with clamping parts, and the clamping parts of the two locking members are respectively clamped with the protruding parts of the first partial groove and the second partial groove.

5. The housing assembly according to claim 4, characterized in that: The locking member further comprises a necked portion, the size of which matches the size of the sliding limit groove, and the connecting member enters the connecting groove in a manner that the necked portion slides in the sliding limit groove.

6. The housing assembly according to claim 5, characterized in that: The first partial groove or the second partial groove further includes a stopper, which is arranged on a side of the first rib away from the first edge and located on a side of the protruding portion closer to the second rib.

7. The housing assembly according to claim 1, wherein: The connecting piece is a rotating connecting piece, and the face cover is rotatably connected to the face frame by means of the rotating connecting piece.

8. The housing assembly according to claim 7, wherein: The rotating connecting member includes a shaft and a shaft sleeve, wherein the shaft is arranged at one of the face frame and the face cover, and the shaft sleeve is arranged at the other of the face frame and the face cover, and the shaft and the shaft sleeve are detachably rotatably connected.

9. A distribution box, characterized in that: A housing assembly as claimed in any one of claims 1 to 8.

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