CN209926545U

CN209926545U - Electrical apparatus box and air conditioner

Info

Publication number: CN209926545U
Application number: CN201920609928.8U
Authority: CN
Inventors: 刘禾铭
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-01-10
Anticipated expiration: 2029-04-29

Abstract

The utility model provides an electrical apparatus box and air conditioner, electrical apparatus box includes: the mounting box is provided with an accommodating cavity for accommodating the circuit board, and a mounting opening for communicating the accommodating cavity with the outside of the mounting box is formed in the mounting box; the mounting panel, mounting panel and mounting box sliding fit, the mounting panel has first default position and second default position for the mounting box, is equipped with the installing zone that is used for installing the circuit board on the mounting panel. The utility model discloses an electrical apparatus box has solved the inconvenient problem of electrical apparatus box patch cord among the prior art.

Description

Electrical apparatus box and air conditioner

Technical Field

The utility model relates to an air conditioner field particularly, relates to an electrical apparatus box and air conditioner.

Background

During the production of electrical equipment, various patch cord operations are required to connect the circuit board to the various electrical components. In the prior art, the circuit board is mostly fixed inside the electric appliance box by adopting screws, in each patch cord process, the circuit board needs to be detached for patch cord operation, and then the circuit board is fixed in the electric appliance box after the operation is finished.

Therefore, the electrical box in the prior art has the defect of inconvenient patch cord, and brings adverse effects to production operation.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an electrical box to solve the problem of inconvenience of electrical boxes and cables in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided an electrical box, including: the mounting box is provided with an accommodating cavity for accommodating the circuit board, and a mounting opening for communicating the accommodating cavity with the outside of the mounting box is formed in the mounting box; the mounting panel, mounting panel and mounting box sliding fit, the mounting panel has first default position and second default position for the mounting box, is equipped with the installing zone that is used for installing the circuit board on the mounting panel.

Furthermore, a sliding groove is formed in the mounting box, a sliding rail matched with the sliding groove is arranged on the mounting plate, and the sliding rail is matched with the sliding groove so that the mounting plate can slide along the extending direction of the sliding groove.

Further, the mounting box still includes first wiring mouth, and first wiring mouth and mounting opening intercommunication.

Furthermore, a first buckle is arranged on the mounting plate and used for fixing the circuit board on the mounting plate.

Further, first buckle includes first connecting portion and card-tight part, and the one end and the card-tight part of first connecting portion are connected, and the other end of first connecting portion is connected with the mainboard body of mounting panel, and the mainboard body of mounting panel, first connecting portion, card-tight part enclose into the card-tight groove, and the circuit board chucking is fixed in the card-tight groove.

Further, first buckle is located the one side that is close to the mounting box on the mounting panel, is equipped with the bellying on the mounting box to when the mounting panel is located the second and predetermines the position, make the bellying support and lean on first buckle.

Furthermore, be equipped with the second buckle on the mounting panel, be equipped with the draw-in groove that matches with the second buckle on the mounting box, when the mounting panel was located the second and predetermines the position, the second buckle card was established in the draw-in groove.

Further, the second buckle includes dop, second connecting portion and recess, and the one end of second connecting portion is connected with the mainboard body of mounting panel, and the other end and the dop of second connecting portion are connected to under the deformation effect of second connecting portion, make the dop have the card income position of card income draw-in groove and follow the dodge position that breaks away from in the draw-in groove.

Furthermore, the electrical box also comprises an electrical box cover, so that when the mounting plate is positioned at the second preset position, the mounting opening is sealed by the electrical box cover; the electric appliance box cover is provided with a positioning hole, and the mounting box is provided with a first positioning part corresponding to the positioning hole so as to connect and fix the electric appliance box cover and the mounting box through a screw penetrating through the positioning hole.

Furthermore, a second positioning part is arranged at the position, corresponding to the positioning hole, on the mounting plate, and a through hole is formed in the second positioning part, so that the mounting plate, the electrical appliance box cover and the mounting box are fixedly connected through the through hole in the second positioning part by a screw.

Furthermore, the electrical box further comprises a protective shell, the protective shell is installed on the outer side of the installation box, a second wire walking port is arranged at the position, corresponding to the first wire walking port, on the protective shell, and a wire walking channel communicated with the second wire walking port is arranged on the protective shell.

Furthermore, the protective shell comprises a box cover and a box body, the second wiring port is arranged on the box body, and the box cover is detachably connected with the box body; the box cover comprises a first cover body and a second cover body, the first cover body and the second cover body are fixedly connected, the second cover body comprises a top wall and two side walls, and the two side walls are respectively connected with two ends of the top wall in a one-to-one correspondence manner; the height of roof is greater than the height of the upper surface of first lid, forms between lateral wall and the box body and walks the line passageway.

Furthermore, a protection pad is arranged in the second wire routing port, a slot matched with the shape of the second wire routing port is formed in the protection pad, the protection pad is arranged on the box body wall of the box body, which is used for enclosing the second wire routing port, through the slot in a clamped mode, and the protection pad is provided with a connecting channel for a lead to pass through.

Furthermore, a plurality of flexible bulges are arranged in the connecting channel so as to lead the lead to pass through the flexible bulges; the protective pad is provided with an opening communicated with the connecting channel, and a blocking part used for blocking the lead is arranged in the opening.

Furthermore, the box cover is also provided with a first grounding part and a second grounding part, the first grounding part is used for grounding the electric box, and the second grounding part is provided with a joint connected with the internal electric element so as to ground the electric element in the electric box through the second grounding part.

Further, the electrical box still includes the mount pad, and the mount pad is inside to have the installation cavity, and the shape of installation cavity and the shape phase-match of protecting crust to realize the fixed to the protecting crust through inserting the protecting crust in the installation cavity, be equipped with on the mount pad be used for with walk the outlet intercommunication of line passageway trough.

According to another aspect of the present invention, there is provided an air conditioner, which includes an electrical box, wherein the electrical box is the above electrical box.

Use the technical scheme of the utility model's electrical apparatus box includes: the mounting box is provided with an accommodating cavity for accommodating the circuit board, and a mounting opening for communicating the accommodating cavity with the outside of the mounting box is formed in the mounting box; the mounting panel, mounting panel and mounting box sliding fit, the mounting panel has first default position and second default position for the mounting box, is equipped with the installing zone that is used for installing the circuit board on the mounting panel. The circuit board is fixedly arranged on the mounting plate, and the mounting plate and the circuit board can be drawn out from the mounting box during plugging, so that the circuit board is conveniently plugged, the circuit board does not need to be repeatedly disassembled and assembled, the operation of plugging wires is simplified, and the operation efficiency is improved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of an electrical box according to the present invention;

fig. 2 shows a schematic structural view of a protective shell of an embodiment of an electrical box according to the present invention;

fig. 3 shows a schematic structural view of a mounting box according to an embodiment of the present invention;

figure 4 shows a schematic structural view of a mounting plate and a circuit board of an embodiment of an appliance box according to the present invention;

FIG. 5 shows a partially enlarged schematic view of a mounting plate of the appliance box according to FIG. 4;

fig. 6 shows a schematic structural view of an appliance box cover according to an embodiment of the present invention;

fig. 7 shows a schematic structural view of a first viewing angle of a mounting plate and a mounting box of an embodiment of an electrical box according to the present invention;

figure 8 shows a schematic structural view of a second viewing angle of the mounting plate and mounting box of an embodiment of an electrical box according to the present invention;

FIG. 9 shows a partially enlarged schematic view of the mounting plate according to FIG. 8;

fig. 10 shows a schematic structural view of an embodiment of an electrical box according to the present invention;

fig. 11 shows a schematic structural view of a protective pad according to an embodiment of the present invention; and

fig. 12 shows a schematic diagram of an electrical box according to the present invention applied to a cabinet air conditioner.

Wherein the figures include the following reference numerals:

1. a mounting seat; 11. a mounting cavity; 12. a wiring groove; 2. a protective shell; 21. a box cover; 211. a first cover body; 212. a second cover body; 213. a first ground part; 214. a second ground part; 22. a box body; 221. a second wiring port; 3. mounting a box; 31. a chute; 32. a first wiring port; 33. a card slot; 34. a first positioning portion; 35. a boss portion; 4. mounting a plate; 41. a slide rail; 42. a second positioning portion; 43. a first buckle; 431. a first connection portion; 432. a clamping part; 44. a second buckle; 441. clamping a head; 442. a second connecting portion; 443. a groove; 5. an electric appliance box cover; 51. positioning holes; 52. a ground screw hole; 6. a circuit board; 7. a protective pad; 71. a slot; 72. a flexible protrusion; 73. a blocking portion; 8. a wire; 9. an air conditioner body.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 11, the present invention provides an electrical box, including: the mounting box 3 is provided with an accommodating cavity for accommodating the circuit board 6, and the mounting box 3 is provided with a mounting opening for communicating the accommodating cavity with the outside of the mounting box 3; mounting panel 4, mounting panel 4 and mounting box 3 sliding fit, mounting panel 4 have first default position and second default position for mounting box 3, are equipped with the installing zone that is used for installation circuit board 6 on the mounting panel 4.

The electric box comprises a mounting box 3, the mounting box 3 is provided with a containing cavity for containing a circuit board 6, and the mounting box 3 is provided with a mounting hole for communicating the containing cavity with the outside of the mounting box 3; mounting panel 4, mounting panel 4 and mounting box 3 sliding fit, mounting panel 4 have first default position and second default position for mounting box 3, are equipped with the installing zone that is used for installation circuit board 6 on the mounting panel 4. Specifically, the first preset position is a position where a part of the mounting plate 4 is drawn out of the outer side of the knife mounting box 3, and the circuit board 6 can be subjected to patch cord operation at the position; the second preset position is a position where the mounting plate 4 is fully inserted into the mounting box 3. Through fixedly installing circuit board 6 on mounting panel 4, when inserting the patch cord, can take mounting panel 4 and circuit board 6 out from mounting box 3 to conveniently carry out the patch cord to circuit board 6, need not to carry out repeated dismantlement and installation to circuit board 6, simplified the operation of inserting the patch cord, improved the operating efficiency.

As shown in fig. 7, in the present embodiment, the mounting box 3 is provided with a sliding slot 31, the mounting plate 4 is provided with a sliding rail 41 matching with the sliding slot 31, and the sliding rail 41 matches with the sliding slot 31, so that the mounting plate 4 can slide along the extending direction of the sliding slot 31. Of course, other sliding fit structures, such as a sliding block and an optical axis, a sliding block and a sliding groove, and the like, may be selected for the mounting box 3 and the mounting plate 4 to perform sliding fit.

As shown in fig. 3, specifically, the mounting box 3 further includes a first wiring port 32, and the first wiring port 32 communicates with the mounting port. Thus, the lead wire 8 is inserted into the mounting case 3 through the first wire running port 32 and connected to the circuit board 6. When mounting panel 4 and circuit board 6 were taken out from mounting box 3, 8 accessible first walk the intercommunication part between line mouth 32 and the mounting port and take out in the lump, avoid 8 cards of wire to lead to mounting panel 4 to take out in the first line mouth 32 department of walking of mounting box 3, can guarantee that mounting panel 4 and circuit board 6 take out smoothly from mounting box 3.

As shown in fig. 4 and 5, in particular, the mounting plate 4 is provided with a first catch 43, and the first catch 43 is used for fixing the circuit board 6 on the mounting plate 4. The circuit board 6 can be conveniently fixed on the mounting plate 4 through the first buckle 43, so that the circuit board 6 and the mounting plate 4 are prevented from being fixed by using screws, and the circuit board 6 is convenient to mount and dismount.

In this embodiment, the first buckle 43 includes a first connection portion 431 and a clamping portion 432, one end of the first connection portion 431 is connected to the clamping portion 432, the other end of the first connection portion 431 is connected to the main board body of the mounting board 4, the first connection portion 431 and the clamping portion 432 enclose a clamping groove, and the circuit board 6 is clamped and fixed in the clamping groove. Like this, back in the chucking groove is gone into to the side card with circuit board 6, chucking part 432 can compress tightly the side of circuit board 6 on the mainboard body of mounting panel 4, realizes fixed to circuit board 6, when needs dismantle circuit board 6, only need break off with the chucking part 432 towards the periphery of mounting panel 4 and break off with the fingers and thumb, chucking part 432 just can break away from the contact with circuit board 6, is convenient for to the installation and the dismantlement of circuit board 6.

In the present embodiment, as shown in fig. 7, the first catch 43 is located on the side of the mounting plate 4 close to the mounting box 3, and the mounting box 3 is provided with the protruding portion 35, so that the protruding portion 35 abuts against the first catch 43 when the mounting plate 4 is located at the second preset position. Like this, bellying 35 can support and lean on first buckle 43, avoids in-process such as the transport because reasons such as vibrations cause chucking part 432 on first buckle 43 to break away from the contact with circuit board 6, leads to the problem that circuit board 6 breaks away from mounting panel 4, has improved the fixed reliability of circuit board 6 on mounting panel 4.

As shown in fig. 8, a second buckle 44 is disposed on the mounting plate 4, a clamping groove 33 matched with the second buckle 44 is disposed on the mounting box 3, and when the mounting plate 4 is located at a second preset position, the second buckle 44 is clamped in the clamping groove 33. Through the cooperation of second buckle 44 and draw-in groove 33, can fix a position mounting panel 4 in the second preset position, can avoid mounting panel 4 roll-off from mounting box 3 in the transport link in the installation, need not use the screw to fix, avoided frequently dismantling the loaded down with trivial details operation of screw, conveniently carry out the patch cord operation to mounting panel 4. In addition, when the mounting panel 4 was taken out fully, the edge at the board of mounting box 3 was established to the still card of second buckle 44, realized the fixed to mounting panel 4 position to conveniently carry out the patchcord to circuit board 6 on the mounting panel 4.

As shown in fig. 9, in the present embodiment, the second buckle 44 includes a clamping head 441, a second connecting portion 442 and a groove 443, one end of the second connecting portion 442 is connected to the main plate body of the mounting plate 4, and the other end of the second connecting portion 442 is connected to the clamping head 441, so that the clamping head 441 has a clamping position where the clamping head is clamped into the clamping groove 33 and a avoiding position where the clamping head is separated from the clamping groove 33 under the deformation action of the second connecting portion 442. Thus, the position of the chucking head 441 has a certain adjusting range by the deformation of the second connecting portion 442, and the chucking head can be clamped into the slot 33 or separated from the slot 33, so that the locking state of the mounting plate 4 can be controlled more conveniently.

Preferably, guide portions are provided on both sides of the chucking head 441 in the sliding direction of the mounting plate 4, and the guide portions have a slope structure so that the chucking head 441 is separated from the chucking groove 33 by a force applied by the chucking groove 33 perpendicular to the sliding direction of the mounting plate 4 by the guide portions when the mounting plate 4 slides. Therefore, the unlocking of the second buckle 44 can be realized more conveniently, and the locking state of the mounting plate 4 can be controlled more conveniently.

Specifically, the electrical box further comprises an electrical box cover 5, so that when the mounting plate 4 is located at the second preset position, the mounting opening is sealed through the electrical box cover 5; the electrical appliance box cover 5 is provided with a positioning hole 51, and the mounting box 3 is provided with a first positioning portion 34 corresponding to the positioning hole 51, so that the electrical appliance box cover 5 and the mounting box 3 are fixedly connected through a screw passing through the positioning hole 51. Like this, can fix mounting panel 4 in the second through electrical apparatus lid 5 and predetermine the position, reuse the fix with screw behind the installing port closing cap through electrical apparatus lid 5, can avoid the screw to fall into inside mounting box 3, the problem that the screw easily dropped inside the electrical apparatus box when having solved fixed circuit board 6 among the prior art.

In this embodiment, the mounting plate 4 is provided with a second positioning portion 42 at a position corresponding to the positioning hole 51, and the second positioning portion 42 is provided with a through hole, so that the mounting plate 4, the electrical box cover 5 and the mounting box 3 can be fixedly connected by passing a screw through the through hole of the second positioning portion 42. Like this, the screw is together fixed with electrical apparatus lid 5, mounting panel 4, mounting box 3, can conveniently fix mounting panel 4, and fixed effectual, can avoid mounting panel 4 to rock in mounting box 3 effectively and lead to wire 8 to break away from circuit board 6, improves the stability that circuit board 6 and wire 8 pegged graft.

Specifically, the electrical apparatus box still includes protecting crust 2, and protecting crust 2 installs in the outside of mounting box 3, and the position department that corresponds first line mouth 32 on protecting crust 2 is equipped with second line mouth 221, is equipped with the line passageway of walking with second line mouth 221 intercommunication on protecting crust 2. Through setting up protecting crust 2 in the mounting box 3 outside to set up on protecting crust 2 and walk the line passageway, can realize the protection to mounting box 3 and wire 8 effectively, improve the intensity of electrical apparatus box.

Preferably, protective housing 2 is the fire prevention material, can avoid the internal circuit trouble to catch fire and spread to the electrical apparatus box outside, burns the condition of outside equipment.

As shown in fig. 2, the protective shell 2 includes a box cover 21 and a box body 22, the second wire port 221 is disposed on the box body 22, and the box cover 21 and the box body 22 are detachably connected; the box cover 21 comprises a first cover body 211 and a second cover body 212, the first cover body 211 and the second cover body 212 are fixedly connected, the second cover body 212 comprises a top wall and two side walls, and the two side walls are respectively connected with two ends of the top wall in a one-to-one correspondence manner; the height of the top wall is greater than that of the upper surface of the first cover 211, and a routing channel is formed between the side wall and the box body 22. The split type structural design can more conveniently realize the installation of the installation box 3 and the wiring of the wire in the wiring channel, and the problems that the installation box 3 is difficult to be arranged in the protective shell 2 and the wire is difficult to pass through the wiring channel are solved.

Specifically, as shown in fig. 1, a protective pad 7 is installed in the second wire trace port 221, a slot 71 matching with the shape of the second wire trace port 221 is provided on the protective pad 7, the protective pad 7 is clamped on the box body wall of the box body 22 for enclosing the second wire trace port 221 through the slot 71, and the protective pad 7 has a connecting channel for the lead 8 to pass through. Therefore, the lead 8 can penetrate into the box body 22 through the connecting channel, and the lead 8 is prevented from being damaged due to the edge friction between the lead 8 and the second wire running port 221.

As shown in fig. 11, a plurality of flexible protrusions 72 are disposed in the connection channel to pass the lead 8 through between the flexible protrusions 72, and the flexible protrusions 72 can block the connection channel after the lead 8 passes through the connection channel, so as to prevent impurities such as dust from entering the box body 22 through the connection channel; protection pad 7 has the opening that communicates with the interface channel, be provided with the stop part 73 that is used for carrying out the backstop to wire 8 in the opening, can take mounting box 3 out through setting up the opening mounting box 4 again, make wire 8 take out along the opening in the lump, avoid 8 cards of wire to lead to mounting plate 4 can't take out in protection pad 7, guarantee that mounting plate 4 takes out from mounting box 3 smoothly, stop part 73 can stop wire 8 inside the interface channel, avoid wire 8 to deviate from the opening part.

Specifically, as shown in fig. 2, the box cover 21 is further provided with a first grounding part 213 and a second grounding part 214, the first grounding part 213 is used for grounding the electric box, and the second grounding part 214 is provided with a connector connected to the internal electric element so as to ground the electric element inside the electric box through the second grounding part 214. Therefore, the grounding of the electrical box and the internal electrical elements can be conveniently realized, and the grounding wire is more convenient to mount, dismount and maintain.

As shown in fig. 1, the electrical box further comprises a mounting seat 1, a mounting cavity 11 is arranged inside the mounting seat 1, the shape of the mounting cavity 11 is matched with the shape of the protective shell 2, so that the protective shell 2 is fixed by inserting the protective shell 2 into the mounting cavity 11, and a wiring groove 12 for communicating with an outlet of a wiring channel is arranged on the mounting seat 1.

As shown in fig. 12, the present invention further provides an air conditioner, which includes an electrical box, wherein the electrical box is the electrical box described above. The electrical box is installed inside the air conditioner body 9, and the mounting plate 4 of the electrical box can be drawn out from the inside of the electrical box so as to connect the circuit board 6 on the mounting plate 4 with a patch cord.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the utility model discloses an electrical box, which comprises a mounting box 3, wherein the mounting box 3 is provided with a containing cavity for containing a circuit board 6, and the mounting box 3 is provided with a mounting hole for communicating the containing cavity with the outside of the mounting box 3; mounting panel 4, mounting panel 4 and mounting box 3 sliding fit, mounting panel 4 have first default position and second default position for mounting box 3, are equipped with the installing zone that is used for installation circuit board 6 on the mounting panel 4. Specifically, the first preset position is a position where a part of the mounting plate 4 is drawn out of the outer side of the knife mounting box 3, and the circuit board 6 can be subjected to patch cord operation at the position; the second preset position is a position where the mounting plate 4 is fully inserted into the mounting box 3. Through fixedly installing circuit board 6 on mounting panel 4, when inserting the patch cord, can take mounting panel 4 and circuit board 6 out from mounting box 3 to conveniently carry out the patch cord to circuit board 6, need not to carry out repeated dismantlement and installation to circuit board 6, simplified the operation of inserting the patch cord, improved the operating efficiency.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrical box, comprising:

the mounting box (3) is provided with an accommodating cavity for accommodating a circuit board (6), and the mounting box (3) is provided with a mounting opening for communicating the accommodating cavity with the outside of the mounting box (3);

mounting panel (4), mounting panel (4) with mounting box (3) sliding fit, mounting panel (4) for mounting box (3) have first default position and second default position, be equipped with on mounting panel (4) and be used for the installation the installing zone of circuit board (6).

2. The electrical box according to claim 1, wherein a sliding slot (31) is formed in the mounting box (3), a sliding rail (41) matched with the sliding slot (31) is formed in the mounting plate (4), and the sliding rail (41) is matched with the sliding slot (31) so that the mounting plate (4) can slide along the extending direction of the sliding slot (31).

3. The appliance box according to claim 1, characterized in that the mounting box (3) further comprises a first wiring port (32), the first wiring port (32) communicating with the mounting port.

4. The appliance box according to claim 1, characterized in that a first catch (43) is provided on the mounting plate (4), the first catch (43) being used to fix the circuit board (6) on the mounting plate (4).

5. The electrical box according to claim 4, characterized in that the first buckle (43) comprises a first connecting part (431) and a clamping part (432), one end of the first connecting part (431) is connected with the clamping part (432), the other end of the first connecting part (431) is connected with the main board body of the mounting board (4), the first connecting part (431) and the clamping part (432) enclose a clamping groove, and the circuit board (6) is clamped and fixed in the clamping groove.

6. The appliance box according to claim 5, characterised in that the first catch (43) is located on the mounting plate (4) on the side close to the mounting box (3), the mounting box (3) being provided with a projection (35) to abut the projection (35) against the first catch (43) when the mounting plate (4) is in the second predetermined position.

7. The electrical box according to claim 1, wherein a second buckle (44) is arranged on the mounting plate (4), a slot (33) matched with the second buckle (44) is arranged on the mounting box (3), and when the mounting plate (4) is located at the second preset position, the second buckle (44) is clamped in the slot (33).

8. The electrical box according to claim 7, characterized in that the second buckle (44) comprises a clamping head (441), a second connecting portion (442) and a groove (443), one end of the second connecting portion (442) is connected with the main board body of the mounting plate (4), and the other end of the second connecting portion (442) is connected with the clamping head (441), so that the clamping head (441) has a clamping position of clamping into the clamping groove (33) and an avoiding position of disengaging from the clamping groove (33) under the deformation action of the second connecting portion (442).

9. The appliance box according to claim 1, characterized in that it further comprises an appliance box cover (5) to cover the mounting opening by means of the appliance box cover (5) when the mounting plate (4) is in the second preset position; the electric appliance box cover is characterized in that a positioning hole (51) is formed in the electric appliance box cover (5), a first positioning portion (34) corresponding to the positioning hole (51) is formed in the mounting box (3), and the electric appliance box cover (5) and the mounting box (3) are fixedly connected through a screw penetrating through the positioning hole (51).

10. The electrical box according to claim 9, wherein a second positioning portion (42) is disposed on the mounting plate (4) at a position corresponding to the positioning hole (51), and a through hole is disposed on the second positioning portion (42) so that the mounting plate (4), the electrical box cover (5) and the mounting box (3) are fixedly connected by passing the screw through the through hole on the second positioning portion (42).

11. The electrical box according to claim 3, further comprising a protective shell (2), wherein the protective shell (2) is installed outside the mounting box (3), a second wire routing port (221) is arranged on the protective shell (2) at a position corresponding to the first wire routing port (32), and a wire routing channel communicated with the second wire routing port (221) is arranged on the protective shell (2).

12. The electrical box according to claim 11, characterized in that the protective shell (2) comprises a box cover (21) and a box body (22), the second wire port (221) is arranged on the box body (22), and the box cover (21) and the box body (22) are detachably connected; the box cover (21) comprises a first cover body (211) and a second cover body (212), the first cover body (211) and the second cover body (212) are fixedly connected, the second cover body (212) comprises a top wall and two side walls, and the two side walls are respectively connected with two ends of the top wall in a one-to-one correspondence manner; the height of the top wall is greater than that of the upper surface of the first cover body (211), and the routing channel is formed between the side wall and the box body (22).

13. The electrical box according to claim 12, characterized in that a protective pad (7) is arranged in the second wire port (221), a slot (71) matched with the shape of the second wire port (221) is arranged on the protective pad (7), the protective pad (7) is clamped on the box body wall of the box body (22) for enclosing the second wire port (221) through the slot (71), and the protective pad (7) is provided with a connecting channel for a lead (8) to pass through.

14. The electrical box according to claim 13, characterized in that a plurality of flexible protrusions (72) are provided in the connection channel to pass the wires (8) between the flexible protrusions (72); the protective pad (7) is provided with an opening communicated with the connecting channel, and a blocking part (73) used for stopping the lead (8) is arranged in the opening.

15. The electrical box according to claim 12, wherein the box cover (21) is further provided with a first grounding part (213) and a second grounding part (214), the first grounding part (213) is used for grounding the electrical box, and the second grounding part (214) is provided with a joint connected with an internal electrical component so as to ground the electrical component inside the electrical box through the second grounding part (214).

16. The electrical box according to claim 11 or 12, characterized in that the electrical box further comprises a mounting seat (1), the mounting seat (1) has a mounting cavity (11) therein, the shape of the mounting cavity (11) matches with the shape of the protective shell (2) so as to fix the protective shell (2) by inserting the protective shell (2) into the mounting cavity (11), and a wiring slot (12) for communicating with an outlet of the wiring channel is provided on the mounting seat (1).

17. An air conditioner comprising an electrical box, wherein the electrical box is as claimed in any one of claims 1 to 16.