Box body of branch box, branch box and air conditioner

Abstract

The utility model discloses a box body of a branch box, the branch box and an air conditioner. The box body comprises a box body, the box body comprises a first heat preservation cover body and a second heat preservation cover body, the first heat preservation cover body comprises a first heat preservation cover main body and a first connecting metal plate, the first connecting metal plate comprises a first connecting part and a first embedding part, the first connecting part is located outside the first heat preservation cover main body, and the first embedding part is embedded into the first heat preservation cover main body; the second heat preservation cover body comprises a second heat preservation cover main body and a second connecting metal plate, the second connecting metal plate comprises a second connecting part and a second embedding part, the second connecting part is located outside the second heat preservation cover main body, the second embedding part is embedded into the second heat preservation cover main body, and the second connecting part is connected with the first connecting part. The first connecting metal plate and the second connecting metal plate can be manufactured in a stamping mode and the like, die sinking is not needed, and the scheme is more beneficial to reducing the manufacturing cost of the box body; moreover, compared with a plastic part, the size of the sheet metal part can be smaller, the wall thickness of the sheet metal part can be thinner, and the manufacturing cost of the box body can be better reduced.

Description

Technical Field

[0001] The utility model relates to air conditioning equipment technology, and more specifically, to a branch box body, a branch box and an air conditioner. Background Art

[0002] The existing branch box, its box body includes a first insulation cover body, a second insulation cover body and an insulation cover plate, the first insulation cover body includes a first insulation cover body and a first plastic bracket with an annular circumferential wall, the first insulation cover body and the first plastic bracket are assembled together, the second insulation cover body includes a second insulation cover body and a second plastic bracket with an annular circumferential wall, the second insulation cover body and the second plastic bracket are assembled together, the insulation cover plate includes an insulation cover main board and a third plastic bracket with an annular circumferential wall, the insulation cover main board and the third plastic bracket are assembled together. The first plastic bracket and the second plastic bracket are located in the first insulation cover body and the second insulation cover body, the peripheral wall of the first plastic bracket and the peripheral wall of the second plastic bracket enclose a mounting hole, the third plastic bracket is installed in the mounting hole, and the insulation cover main board is located on the inner side of the third plastic bracket. This solution has the following problems:

[0003] The injection molding of the first plastic bracket, the second plastic bracket and the third plastic bracket all require mold opening, which has a relatively high mold opening cost. In addition, in order to ensure the structural strength of the box, the volume and wall thickness of the first plastic bracket, the second plastic bracket and the third plastic bracket need to be made relatively large, so the production cost of this box is relatively high. Utility Model Content

[0004] The embodiment of the utility model provides a box body of a branch box, which has the advantages of high structural strength and low manufacturing cost.

[0005] The embodiment of the utility model provides a branch box and an air conditioner.

[0006] The box body of the branch box provided by the embodiment of the utility model includes a box body, and the box body includes: a first thermal insulation cover body, including a first thermal insulation cover main body and a first connecting sheet metal, the first connecting sheet metal includes a first connecting part and a first embedded part, the first connecting part is located on the outside of the first thermal insulation cover main body, and the first embedded part is embedded in the first thermal insulation cover main body; and a second thermal insulation cover body, including a second thermal insulation cover main body and a second connecting sheet metal, the second connecting sheet metal includes a second connecting part and a second embedded part, the second connecting part is located on the outside of the second thermal insulation cover main body, the second embedded part is embedded in the second thermal insulation cover main body, and the second connecting part is connected to the first connecting part.

[0007] In some exemplary embodiments, the box body also includes: an insulation cover plate, including an insulation cover main board and a third connecting sheet metal, the third connecting sheet metal includes a third connecting part and a fourth connecting part, the first insulation cover main body and the second insulation cover main body are combined to form a mounting hole, the insulation cover main board is embedded in the mounting hole, the third connecting sheet metal is located on the side of the insulation cover main board facing the outside of the box body, and the third connecting part is also connected to the first connecting part, and the fourth connecting part is also connected to the second connecting part.

[0008] In some exemplary embodiments, the peripheral wall of the box body includes a first side wall and other side walls, the first connecting portion and the second connecting portion are both located on the first side wall and the other side walls, and the mounting hole, the third connecting portion and the fourth connecting portion are all located on the first side wall; wherein, the portion of the first connecting portion located on the other side wall is connected to the portion of the second connecting portion located on the other side wall, the portion of the first connecting portion located on the first side wall is connected to the third connecting portion, and the portion of the second connecting portion located on the first side wall is connected to the fourth connecting portion.

[0009] In some exemplary embodiments, the insulation cover main board and the first insulation cover main body together form a third sub-throughhole, and the portion of the first connecting sheet metal located on the first side wall together with the third connecting sheet metal together form a fourth sub-throughhole, and the third sub-throughhole and the fourth sub-throughhole correspond in position and constitute a second throughhole connecting the inside and outside of the box body.

[0010] In some exemplary embodiments, the insulation cover main board and the second insulation cover main body together form a fifth sub-throughhole, and the portion of the second connecting sheet metal located on the first side wall together with the third connecting sheet metal together form a sixth sub-throughhole, and the fifth sub-throughhole and the sixth sub-throughhole correspond in position and constitute a second through hole connecting the inside and outside of the box body.

[0011] In some exemplary embodiments, the box body further includes: a fourth connecting sheet metal, and the portion of the first connecting part located on the other side wall is connected to the portion of the second connecting part located on the other side wall through the fourth connecting sheet metal.

[0012] In some exemplary embodiments, the first insulation cover body and the second insulation cover body also enclose a first sub-through hole, the first sub-through hole is located on the other side walls, the portion of the first connecting sheet metal located on the other side walls and the fourth connecting sheet metal enclose a second sub-through hole, the first sub-through hole and the second sub-through hole correspond in position and constitute a first through hole connecting the inside and outside of the box body.

[0013] In some exemplary embodiments, the other side walls include a second side wall, a third side wall and a fourth side wall, the first side wall, the second side wall, the third side wall and the fourth side wall are connected in sequence, the first connecting portion, the first embedded portion, the second connecting portion and the second embedded portion each include four parts, the fourth connecting sheet metal includes three parts, the four parts of the first connecting portion, the four parts of the first embedded portion, the four parts of the second connecting portion and the four parts of the second embedded portion are all arranged one-to-one on the first side wall, the second side wall, the third side wall and the fourth side wall, the three parts of the fourth connecting sheet metal are arranged one-to-one on the second side wall, the third side wall and the fourth side wall, the first sub-penetration hole is located on the second side wall, and the part of the first connecting sheet metal located on the second side wall and the part of the fourth connecting sheet metal located on the second side wall together form the second sub-penetration hole.

[0014] In some exemplary embodiments, the first insulation cover body is a first insulation foam cover, which is integrally formed on the first connecting sheet metal, and the second insulation cover body is a second insulation foam cover, which is integrally formed on the second connecting sheet metal.

[0015] The branch box provided in the embodiment of the utility model includes the box body of the branch box described in any of the above embodiments.

[0016] The air conditioner provided in the embodiment of the utility model includes the branch box described in any one of the above embodiments.

[0017] The box body of the branch box provided by the embodiment of the utility model, the first insulation cover body and the second insulation cover body are connected by the first connecting sheet metal and the second connecting sheet metal. The first connecting sheet metal and the second connecting sheet metal can be manufactured by stamping or the like, and no mold opening is required. This solution is more conducive to reducing the manufacturing cost of the box body; moreover, compared with plastic parts, sheet metal parts can also better improve the structural strength of the box body, so that the volume of the sheet metal parts can be made smaller and the wall thickness can be made thinner, which is also more conducive to reducing the manufacturing cost of the box body.

[0018] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the technical solution of the utility model and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the utility model and do not constitute a limitation on the technical solution of the utility model.

[0020] Figure 1 A schematic diagram of the exploded structure of the first thermal insulation cover of the branch box provided in some embodiments of the present application;

[0021] Figure 2 A schematic diagram of the structure of the main body, the heat-insulating cover plate and the fourth connecting sheet metal of the branch box provided in some embodiments of the present application after being assembled;

[0022] Figure 3 A schematic diagram of the exploded structure of the second thermal insulation cover of the branch box provided in some embodiments of the present application;

[0023] Figure 4 A schematic diagram of the exploded structure of the branch box provided in some embodiments of the present application.

[0024] in, Figures 1 to 4 The corresponding relationship between the reference numerals and the component names is as follows:

[0025] 100 first insulation cover body, 110 first insulation cover main body, 120 first connecting sheet metal, 121 first connecting part, 122 first embedded part, 200 second insulation cover body, 210 second insulation cover main body, 220 second connecting sheet metal, 221 second connecting part, 222 second embedded part, 300 insulation cover plate, 310 insulation cover main board, 320 third connecting sheet metal, 321 third connecting part, 322 fourth connecting part, 410 first side wall, 420 second side wall, 430 mounting hole, 440 second penetration hole, 450 first penetration hole, 500 fourth connecting sheet metal, 600 main body, 610 second interface pipe, 620 first interface pipe. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the embodiments of the utility model will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other arbitrarily without conflict.

[0027] like Figures 1 to 4 As shown, the branch box provided by the embodiment of the utility model includes a box body. Figures 1 to 4As shown, the box body includes a box body, which includes: a first insulation cover body 100, the first insulation cover body 100 includes a first insulation cover body 110 and a first connecting sheet metal 120, the first connecting sheet metal 120 includes a first connecting portion 121 and a first embedded portion 122, the first connecting portion 121 is located outside the first insulation cover body 110, and the first embedded portion 122 is embedded in the first insulation cover body 110, so that the structural strength of the first insulation cover body 110 is higher; and a second insulation cover body 200, the second insulation cover The body 200 includes a second insulation cover body 210 and a second connecting sheet metal 220, the second connecting sheet metal 220 includes a second connecting portion 221 and a second embedded portion 222, the second connecting portion 221 is located outside the second insulation cover body 210, and the second embedded portion 222 is embedded in the second insulation cover body 210, so that the structural strength of the second insulation cover body 210 is higher, and the second connecting portion 221 is connected to the first connecting portion 121 to realize the assembly of the first insulation cover body 100 and the second insulation cover body 200 together.

[0028] In the branch box, the first insulation cover body 110 and the second insulation cover body 210 are connected by the first connecting sheet metal 120 and the second connecting sheet metal 220. The first connecting sheet metal 120 and the second connecting sheet metal 220 can be made by stamping or the like, and there is no need to open a mold, thus saving the mold opening cost. This solution is more conducive to reducing the production cost of the box. Moreover, compared with plastic parts, sheet metal parts can also better improve the structural strength of the box. In this way, the volume of the first connecting sheet metal 120 and the second connecting sheet metal 220 can be made smaller and the wall thickness can be made thinner, which is also more conducive to reducing the production cost of the box.

[0029] like Figure 2 and Figure 4 As shown, in some examples, the box body also includes: an insulation cover 300, the insulation cover 300 includes an insulation cover main board 310 and a third connecting sheet metal 320, the third connecting sheet metal 320 includes a third connecting portion 321 and a fourth connecting portion 322, the first insulation cover body 110 and the second insulation cover body 210 are combined to form a mounting hole 430, the insulation cover main board 310 is embedded in the mounting hole 430, the third connecting sheet metal 320 is arranged on the side of the insulation cover main board 310 facing the outside of the box body, the third connecting portion 321 and the fourth connecting portion 322 are located between the first connecting portion 121 and the second connecting portion 221, and the third connecting portion 321 is also connected to the first connecting portion 121, and the fourth connecting portion 322 is also connected to the second connecting portion 221.

[0030] The insulation cover main board 310 is connected to the first connection part 121 of the first insulation cover body 100 and the second connection part 221 of the second insulation cover body 200 through the third connecting sheet metal 320. The third connecting sheet metal 320 can be manufactured by stamping or the like, and does not require mold opening, thereby saving the mold opening cost. This solution is more conducive to reducing the manufacturing cost of the box; moreover, compared with plastic parts, sheet metal parts can also better improve the structural strength of the box, so that the volume of the third connecting sheet metal 320 can be made smaller and the wall thickness can be made thinner, which is also more conducive to reducing the manufacturing cost of the box.

[0031] In some examples, such as Figures 1 to 4 As shown, the peripheral wall of the box body includes a first side wall 410 and other side walls, the first connection portion 121 is located on the first side wall 410 and all other side walls, the second connection portion 221 is also located on the first side wall 410 and all other side walls, and the mounting hole 430, the third connection portion 321 and the fourth connection portion 322 are all located on the first side wall 410. The portion of the first connection portion 121 located on the other side walls is connected to the portion of the second connection portion 221 located on the other side walls, the portion of the first connection portion 121 located on the first side wall 410 is connected to the third connection portion 321, and the portion of the second connection portion 221 located on the first side wall 410 is connected to the fourth connection portion 322, so that the first heat preservation cover 100, the second heat preservation cover 200 and the heat preservation cover plate 300 are firmly connected together.

[0032] Furthermore, if Figures 1 to 4 As shown, the insulation cover main board 310 and the first insulation cover main body 110 are combined to form a third sub-through hole, and the portion of the first connecting sheet metal 120 located on the first side wall 410 is combined with the third connecting sheet metal 320 to form a fourth sub-through hole. The third sub-through hole and the fourth sub-through hole are located in corresponding positions and constitute a second through hole 440 connecting the inside and outside of the box body; the insulation cover main board 310 and the second insulation cover main body 210 are combined to form a fifth sub-through hole, and the portion of the second connecting sheet metal 220 located on the first side wall 410 is combined with the third connecting sheet metal 320 to form a sixth sub-through hole. The fifth sub-through hole and the sixth sub-through hole are located in corresponding positions and constitute a second through hole 440 connecting the inside and outside of the box body. Figures 1 to 4 As shown, the branch box also includes a main body 600, which is arranged in the box body and has a second interface pipe 610. The second interface pipe 610 is arranged to be connected to the refrigerant connection pipe of the air conditioner indoor unit in a one-to-one correspondence. Figures 1 to 4 As shown, the third connection portion 321 and the fourth connection portion 322 are located between a portion of the first connection portion 121 located on the first side wall 410 and a portion of the second connection portion 221 located on the first side wall 410 .

[0033] In some examples, such as Figures 1 to 4 As shown, the box body also includes: a fourth connecting sheet metal 500, which is located outside the box body and between the portion of the first connecting sheet metal 120 located on the other side walls and the portion of the second connecting sheet metal 220 located on the other side walls. The portion of the first connecting portion 121 located on the other side walls is connected to the portion of the second connecting portion 221 located on the other side walls through the fourth connecting sheet metal 500, which is more conducive to realizing that the first connecting sheet metal 120 and the second connecting sheet metal 220 are both made into an integrated structure.

[0034] Furthermore, if Figures 1 to 4 As shown, the first insulation cover body 110 and the second insulation cover body 210 also enclose a first sub-through hole, which is located on the other side wall, and the portion of the first connecting sheet metal 120 located on the other side wall and the fourth connecting sheet metal 500 enclose a second sub-through hole, and the first sub-through hole and the second sub-through hole are located in corresponding positions and constitute a first through hole 450 connecting the inside and outside of the box body. Figures 1 to 4 As shown, the main body 600 also has a first interface pipe 620, which is correspondingly arranged in the first through hole 450 and extends out of the box body. The first interface pipe 620 is arranged to be connected to the refrigerant connecting pipe of the air conditioner outdoor unit in a one-to-one correspondence.

[0035] In some embodiments, Figures 1 to 4As shown, the other side walls include a second side wall 420, a third side wall and a fourth side wall, the first side wall 410, the second side wall 420, the third side wall and the fourth side wall are connected end to end in sequence, the first connecting sheet metal 120 is an integral structure, and the cross section is Z-shaped, the second connecting sheet metal 220 is an integral structure, and the cross section is Z-shaped, the first connecting portion 121, the first embedded portion 122, the second connecting portion 221, the second embedded portion 222, the third connecting portion 321 and the fourth connecting portion 322 are all plate-shaped, the fourth connecting sheet metal 500 is an integral structure, and the cross section is U-shaped, the first connecting portion 121, the first embedded portion 122, the second connecting portion 221 and the second embedded portion 222 all include The fourth connecting sheet metal 500 includes three parts of an integral structure or a split structure. The four parts of the first connecting portion 121, the four parts of the first embedded portion 122, the four parts of the second connecting portion 221 and the four parts of the second embedded portion 222 are all arranged on the first side wall 410, the second side wall 420, the third side wall and the fourth side wall in a one-to-one correspondence. The three parts of the fourth connecting sheet metal 500 are arranged on the second side wall 420, the third side wall and the fourth side wall in a one-to-one correspondence. The first sub-through hole is located on the second side wall 420. The part of the first connecting sheet metal 120 located on the second side wall 420 and the part of the fourth connecting sheet metal 500 located on the second side wall 420 are combined to form a second sub-through hole. The parts of the first connecting portion 121 located on the second side wall 420, the third side wall and the fourth side wall are connected to the three parts of the fourth connecting sheet metal 500 in a one-to-one correspondence through screws, and the part of the first connecting portion 121 located on the first side wall 410 is connected to the third connecting portion 321 through screws. The second connection part 221 located at the second side wall 420, the third side wall and the fourth side wall is connected to the three parts of the fourth connection sheet metal 500 by screws in a one-to-one correspondence, and the second connection part 221 located at the first side wall 410 is connected to the fourth connection part 322 by screws. The integrated structure may be an integrated stamping structure; or the integrated structure may be a split welding connection structure; or the integrated structure may be a split screw connection structure, etc.; all of the above can achieve the purpose of this application, and its purpose does not deviate from the design concept of this utility model, and will not be repeated here, and all should belong to the protection scope of this application.

[0036] It may be that the first thermal insulation cover body 110 is a first thermal insulation foam cover, and the first thermal insulation foam cover is integrally formed on the inner side of the area enclosed by the first connecting sheet metal 120. In this case, the first connecting sheet metal 120 is configured as a closed ring structure or an open ring structure; or it may be that each outer side surface of the first thermal insulation cover body 110 is provided with a first slot, and the first embedding portion 122 is embedded in the first slot one by one. In this case, the first connecting sheet metal 120 is configured as an open ring structure; all of the above can achieve the purpose of the present application, and its purpose does not deviate from the design concept of the present utility model, and will not be repeated here, and should all fall within the protection scope of the present application.

[0037] It may be that the second insulation cover body 210 is a second insulation foam cover, and the second insulation foam cover is integrally formed on the inner side of the area enclosed by the second connecting sheet metal 220. In this case, the second connecting sheet metal 220 is configured as a closed ring structure or an open ring structure; or it may be that each outer side surface of the second insulation cover body 210 is provided with a second slot, and the second embedding portion 222 is embedded in the second slot one by one. In this case, the second connecting sheet metal 220 is configured as an open ring structure; all of the above can achieve the purpose of the present application, and its purpose does not deviate from the design concept of the present utility model, and will not be repeated here, and should all fall within the protection scope of the present application.

[0038] The air conditioner (not shown in the figure) provided in the embodiment of the utility model includes the branch box described in any of the above embodiments.

[0039] The air conditioner provided in the embodiment of the utility model has all the advantages of the branch box provided in any of the above embodiments, which will not be repeated here.

[0040] To sum up, in the branch box provided by the embodiment of the utility model, the first insulation cover body and the second insulation cover body are connected by the first connecting sheet metal and the second connecting sheet metal. The first connecting sheet metal and the second connecting sheet metal can be manufactured by stamping or the like, and no mold opening is required. This solution is more conducive to reducing the manufacturing cost of the box; moreover, compared with plastic parts, sheet metal parts can also better improve the structural strength of the box, so that the volume of the sheet metal parts can be made smaller and the wall thickness can be made thinner, which is also more conducive to reducing the manufacturing cost of the box.

[0041] In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "relative", "four corners", "periphery", "'mouth'-shaped structure" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the structure referred to has a specific orientation, is constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0042] In the description of the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "connection", "direct connection", "indirect connection", "fixed connection", "installation", and "assembly" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; the terms "installation", "connection", and "fixed connection" can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0043] Although the implementation methods disclosed in the utility model are as above, the above contents are only implementation methods adopted to facilitate the understanding of the utility model, and are not used to limit the utility model. Any technician in the field to which the utility model belongs can make any modifications and changes in the form and details of implementation without departing from the spirit and scope disclosed in the utility model, but the scope of patent protection of the utility model shall still be defined by the attached claims.

Claims

1. A box body of a branch box, characterized in that: The invention comprises a box body, wherein the box body comprises: A first heat-insulating cover body, comprising a first heat-insulating cover body and a first connecting sheet metal, wherein the first connecting sheet metal comprises a first connecting portion and a first embedding portion, wherein the first connecting portion is located outside the first heat-insulating cover body, and the first embedding portion is embedded in the first heat-insulating cover body; and The second thermal insulation cover body includes a second thermal insulation cover body and a second connecting sheet metal, wherein the second connecting sheet metal includes a second connecting portion and a second embedded portion, wherein the second connecting portion is located outside the second thermal insulation cover body, the second embedded portion is embedded in the second thermal insulation cover body, and the second connecting portion is connected to the first connecting portion.

2. The box body of the branch box according to claim 1, characterized in that: The box body also includes: The thermal insulation cover plate includes a thermal insulation cover main board and a third connecting sheet metal, wherein the third connecting sheet metal includes a third connecting portion and a fourth connecting portion, the first thermal insulation cover main body and the second thermal insulation cover main body are combined to form a mounting hole, the thermal insulation cover main board is embedded in the mounting hole, the third connecting sheet metal is located on the side of the thermal insulation cover main board facing the outside of the box body, and the third connecting portion is connected to the first connecting portion, and the fourth connecting portion is connected to the second connecting portion.

3. The box body of the branch box according to claim 2, characterized in that: The peripheral wall of the box body includes a first side wall and other side walls, the first connecting portion and the second connecting portion are both located on the first side wall and the other side walls, and the mounting hole, the third connecting portion and the fourth connecting portion are all located on the first side wall; Among them, the part of the first connecting part located on the other side walls is connected to the part of the second connecting part located on the other side walls, the part of the first connecting part located on the first side wall is connected to the third connecting part, and the part of the second connecting part located on the first side wall is connected to the fourth connecting part.

4. The box body of the branch box according to claim 3, characterized in that: The insulation cover main board and the first insulation cover main body are combined to form a third sub-through hole, and the portion of the first connecting sheet metal located on the first side wall is combined with the third connecting sheet metal to form a fourth sub-through hole. The third sub-through hole and the fourth sub-through hole are located in corresponding positions and constitute a second through hole connecting the inside and outside of the box body; The insulation cover main board and the second insulation cover main body together form a fifth sub-through hole, and the portion of the second connecting sheet metal located on the first side wall together with the third connecting sheet metal together form a sixth sub-through hole. The fifth sub-through hole and the sixth sub-through hole correspond in position and constitute a second through hole connecting the inside and outside of the box body.

5. The box body of the branch box according to claim 3, characterized in that: The box body also includes: A fourth connecting sheet metal, wherein the portion of the first connecting portion located on the other side wall is connected to the portion of the second connecting portion located on the other side wall through the fourth connecting sheet metal.

6. The box body of the branch box according to claim 5, characterized in that: The first insulation cover body and the second insulation cover body also enclose a first sub-through hole, the first sub-through hole is located on the other side walls, the portion of the first connecting sheet metal located on the other side walls and the fourth connecting sheet metal enclose a second sub-through hole, the first sub-through hole and the second sub-through hole correspond in position and constitute a first through hole connecting the inside and outside of the box body.

7. The box body of the branch box according to claim 6, characterized in that: The other side walls include a second side wall, a third side wall and a fourth side wall, the first side wall, the second side wall, the third side wall and the fourth side wall are connected in sequence, the first connecting portion, the first embedded portion, the second connecting portion and the second embedded portion each include four parts, the fourth connecting sheet metal includes three parts, the four parts of the first connecting portion, the four parts of the first embedded portion, the four parts of the second connecting portion and the four parts of the second embedded portion are all arranged on the first side wall, the second side wall, the third side wall and the fourth side wall in a one-to-one correspondence, the three parts of the fourth connecting sheet metal are arranged on the second side wall, the third side wall and the fourth side wall in a one-to-one correspondence, the first sub-penetration hole is located on the second side wall, and the part of the first connecting sheet metal located on the second side wall and the part of the fourth connecting sheet metal located on the second side wall together form the second sub-penetration hole.

8. The box body of the branch box according to any one of claims 1 to 7, characterized in that: The first insulation cover body is a first insulation foam cover, which is integrally formed on the first connecting sheet metal; the second insulation cover body is a second insulation foam cover, which is integrally formed on the second connecting sheet metal.

9. A branch box, characterized in that: A box body comprising a branch box as described in any one of claims 1 to 8.

10. An air conditioner, characterized in that: Comprising a branch box as described in claim 9.

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