CN220965322U - Main control board box for household electrical appliance - Google Patents

Abstract

The utility model relates to the technical field of household appliance main control board boxes, and discloses a household appliance main control board box which is made of BMC (baseboard management controller) material and comprises an upper box body, wherein an opening is formed in the upper box body; the first wire clamp assembly is arranged above the upper box body, and the two groups of elastic bulges of the first wire clamp assembly are matched and clamped with the holes on the upper box body, so that the first wire clamp assembly is reliably installed; meanwhile, the second wire clamp assembly is matched with the clamping groove on the lower box body in a clamping manner, reliable installation of the second wire clamp assembly can be achieved, and the mode that the high-flame-retardant BMC material is combined with the clamping structure is adopted, so that the flame retardance of the main control board box is improved, meanwhile, the reliability of the main control board box is guaranteed, and the influence of low toughness of the high-flame-retardant BMC material on the reliability of the main control board box is avoided.

Description

Main control board box for household electrical appliance

Technical Field

The utility model relates to the technical field of home appliance main control board boxes, in particular to a home appliance main control board box.

Background

Household appliances (HEA) mainly refer to various electric and electronic appliances used in families and the like, and are also called household appliances and daily appliances. Therefore, the inside of the household appliance is provided with the board box of the main control computer board for driving the household appliance to work.

At present, the main control board box comprises a bottom box and a box cover, and wire harness clamps are arranged inside and outside the main control board box. And the bottom box and the wire harness clamp inside the bottom box are integrally formed through injection molding by a die, and the box cover and the wire harness clamp outside the box are integrally formed through injection molding by the die.

But with an arcuate curvature due to the special shape of the harness clip, this structure increases the complexity of the injection mold structure and injection molding process. And if the existing main control box board is made of high flame retardant materials, the toughness is low, the main control box board has brittleness, and the wire harness clamping part is easy to break under stress.

Disclosure of utility model

The utility model aims to solve the problems that the injection molding of an integrally formed box cover and bottom box is complex and a wire harness clamping part is easy to break when a high flame retardant material is adopted in the prior art, and provides a main control board box for household electrical appliances, which has the advantages of simple injection molding, good flame retardance and high reliability.

In order to achieve the above object, the present utility model provides a main control board box for a household appliance, the main control board box is made of BMC material, and the main control board box includes:

the upper box body is provided with an opening;

The first line presss from both sides the subassembly, sets up go up the top of box body, first line presss from both sides the subassembly and includes:

the top end of the first elastic wire clamping plate is bent downwards in an arc shape;

Two groups of elastic bulges are symmetrically arranged on two opposite side walls of the first elastic wire clamping plate,

The bottom end of the opening is matched and clamped with the bottom end of the opening;

the lower box body is used for being matched with the upper box body to form a main control board box, a plurality of groups of baffle plates which are distributed at equal intervals are arranged at the inner bottom of the lower box body, a first L-shaped plate is symmetrically arranged on one side wall side of the opposite ends of two adjacent groups of baffle plates, and the first L-shaped plate is matched with the corresponding baffle plate to form a clamping groove;

the second wire clamp assemblies are used for being matched and clamped with the corresponding clamping grooves.

Optionally, a plurality of heat dissipation holes are formed in the upper box body in an array manner, and adjacent heat dissipation holes are separated by partition strips;

The bottom of one of the other two lateral walls of first elasticity fastener board is provided with the second L shaped plate, the second L shaped plate with first elasticity fastener board cooperation forms the spacing groove, the groove of stepping down has been seted up to the bottom of second L shaped plate, the spacing groove with the groove of stepping down is used for with the parting bead cooperation is prescribe a limit to each other.

Optionally, the first elastic wire clamping plate is provided with a reinforcing rib.

Optionally, the mutually distant ends of the two groups of elastic bulges are provided with first inclined surfaces.

Optionally, the inner top of the clamping groove is provided with a limiting protrusion.

Optionally, the second wire clamp assembly includes:

The second elastic wire clamping plate is used for being arranged between two adjacent groups of baffle plates;

the two groups of third L-shaped plates are respectively arranged at two ends of one side, close to the first L-shaped plate, of the two groups of second elastic wire clamping plates, and the clamping grooves and the limiting protrusions are matched to define the third L-shaped plates;

And the elastic arc buckle is arranged at the top of the second elastic wire clamping plate.

Optionally, the third L-shaped plate comprises an elastic material.

Optionally, the mutually far ends of the two groups of the third L-shaped plates are provided with second inclined planes, and the top edge length of the third L-shaped plates is larger than the bottom edge length of the third L-shaped plates.

Optionally, a third inclined plane is provided on a side of the limiting protrusion away from the inner wall of the clamping groove.

According to the technical scheme, the main control board box for the household appliance equipment provided by the utility model realizes reliable installation of the first wire clamp assembly by matching and clamping the two groups of elastic bulges of the first wire clamp assembly with the holes on the upper box body; meanwhile, the second wire clamp assembly is matched and clamped with the clamping groove on the lower box body, reliable installation of the second wire clamp assembly can be achieved, and the high-flame-retardant BMC material is combined with the clamping structure, so that the flame retardance of the main control board box can be improved, the reliability of the main control board box is guaranteed, and the influence of low toughness of the high-flame-retardant BMC material on the reliability of the main control board box is avoided; in addition, adopt fastener subassembly and box body separation's mode, can simplify the structure of moulding plastics of box body effectively to improve the efficiency and the effect of moulding plastics of box body.

Drawings

Fig. 1 is a schematic structural view of a main control board box of a home appliance apparatus according to an embodiment of the present utility model;

Fig. 2 is a schematic structural view of a first line clip assembly mounted on an upper case in a main control panel box of a home appliance apparatus according to an embodiment of the present utility model;

Fig. 3 is a schematic view showing a structure in which an upper case and a first wire clip assembly are separated from each other in a main control panel case of a home appliance according to an embodiment of the present utility model;

FIG. 4 is an enlarged schematic view according to area A of FIG. 3;

Fig. 5 is a schematic structural view of a first line clip assembly in a home appliance main control panel box according to an embodiment of the present utility model;

Fig. 6 is a connection schematic diagram of a second clip assembly mounted on a lower case in a main control panel case of a home appliance according to an embodiment of the present utility model;

FIG. 7 is an enlarged schematic view according to region B in FIG. 6;

Fig. 8 is a schematic structural view of a second clip assembly and a lower case separated from each other in a main control panel case of a home appliance apparatus according to an embodiment of the present utility model;

Fig. 9 is a schematic structural view of a second wire clip assembly in a main control panel box of a home appliance apparatus according to an embodiment of the present utility model;

fig. 10 is a sectional view of a lower case in a main control panel case of a home appliance according to an embodiment of the present utility model;

fig. 11 is an enlarged schematic view according to region C in fig. 10.

Description of the reference numerals

1. Upper case 2 and lower case

3. First thread clamp assembly 4, parting bead

5. First elastic wire clamping plate 6 and second L-shaped plate

7. Relief groove 8, elastic bulge

9. Perforated 10, reinforcing bars

11. Elastic arc buckle 12 and baffle

13. First L-shaped plate 14, second elastic wire clamping plate

15. Third L-shaped plate 16 and limiting projection

17. Second inclined plane

Detailed Description

The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

Fig. 1 is a schematic structural view of a main control board box of a home appliance apparatus according to an embodiment of the present utility model; FIG. 4 is an enlarged schematic view according to area A of FIG. 3; fig. 5 is a schematic structural view of a first line clip assembly in a home appliance main control panel box according to an embodiment of the present utility model; fig. 6 is a connection schematic diagram of a second clip assembly mounted on a lower case in a main control panel case of a home appliance according to an embodiment of the present utility model; fig. 7 is an enlarged schematic view according to region B in fig. 6. In fig. 1, 4, 5, 6 and 7, the home appliance main control board case may include an upper case 1, a first wire clamp assembly 3, a lower case 2 and a plurality of sets of second wire clamp assemblies. Specifically, the upper case 1 may include an opening 9, the first wire clamping assembly 3 may include a first elastic wire clamping plate 5 and two sets of elastic protrusions 8, and the lower case 2 may include a plurality of sets of baffles 12 and a first L-shaped plate 13.

The main control board box is made of BMC materials, an opening 9 is formed in the upper box body 1, and the first wire clamp assembly 3 is arranged above the upper box body 1. The top of first elastic wire splint 5 is the arc and bends downwards, and two sets of elastic bulge 8 symmetry set up at the relative two lateral walls of first elastic wire splint 5 for with the bottom cooperation joint of trompil 9. The lower box body 2 is used for forming a main control board box with the upper box body 1 in a matching mode, a plurality of groups of baffle plates 12 which are distributed at equal intervals are arranged at the inner bottom of the lower box body 2, one side wall of the opposite ends of two adjacent groups of baffle plates 12 is symmetrically provided with a first L-shaped plate 13, the first L-shaped plate 13 is matched with the corresponding baffle plate 12 to form a clamping groove, and the second wire clamp assembly is used for being matched and clamped with the corresponding clamping groove.

Before this main control board box is used to needs, with last box body 1 and lower box body 2 injection moulding respectively, penetrate two sets of elastic bulge 8 along trompil 9 again, two sets of elastic bulge 8 gradually extrusion deformation until pass trompil 9 so that the top of elastic bulge 8 and the interior top butt of last box body 1, and then realize the installation of first line clamp assembly 3. When a plurality of second wire clamp assemblies are required to be installed, the second wire clamp assemblies are inserted into the two adjacent clamping grooves to be matched with each other to realize clamping, and then the second wire clamp assemblies are installed. When the main control board box is required to be used, a computer board of an electric appliance is installed inside the lower box body 2 and the upper box body 1, and the trend of the wire harness is elastically limited through the plurality of second wire clamp assemblies and the first wire clamp assembly 3, so that the following procedures of wire harness plugging and the like are facilitated, and meanwhile, the mutual influence of the wire harness and other parts in the electric appliance can be avoided.

The end box of traditional main control board box and inside pencil clamp pass through mould injection moulding integrated into one piece, lid and outside pencil clamp pass through mould injection moulding integrated into one piece. However, as the shape of the wire harness clamp is curved in an arc shape, the complexity of the structure of the injection mold, the injection efficiency and the injection effect are increased, and the production cost is increased; in addition, the existing bottom box and box cover are usually made of PP, HIPS, ABS flame retardant materials, and materials with higher flame retardant performance, such as BMC materials, are also used. However, BMC materials have high flame retardancy but low toughness, i.e., brittleness. Therefore, when the structure in which the harness clip and the base case are integrally formed is used, the harness clip breaks according to the receiving force. In the embodiment of the utility model, the first wire clamp assembly 3 and the upper box body 1 are clamped and installed, the second wire clamp assembly and the lower box body 2 are clamped and installed, so that the injection structure of the upper box body 1 and the lower box body 2 can be effectively simplified, and the die can be directly out, and the injection efficiency and effect of the upper box body 1 and the lower box body 2 are improved; in addition, by adopting the mode of combining the high-flame-retardance BMC material with the clamping structure, the flame retardance of the main control board box can be improved, and meanwhile, the reliability and the service life of the main control board box are guaranteed, namely, the influence of low toughness of the high-flame-retardance BMC material on the reliability of the main control board box is avoided.

In this embodiment of the present utility model, as shown in fig. 2 to 5, the upper case 1 may further include a plurality of heat dissipation holes and a division bar 4, and the first elastic thread clamping plate 5 may include a second L-shaped plate 6. In particular, the second L-shaped plate 6 may comprise a relief groove 7.

A plurality of heat dissipation holes are formed in the upper box body 1, and adjacent heat dissipation holes are separated through partition bars. The bottom of one side of the other two side walls of the first elastic wire clamping plate 5 is provided with a second L-shaped plate 6, and the second L-shaped plate 6 is matched with the first elastic wire clamping plate 5 to form a limit groove. The bottom of the second L-shaped plate 6 is provided with a yielding groove 7, and the limiting groove and the yielding groove 7 are used for being matched with the parting bead 4 to limit each other.

In the process of penetrating the two groups of elastic bulges 8 along the openings 9, the parting bead 4 enters the limit groove and the inside of the abdication groove 7. When the top of the elastic bulge 8 is abutted against the inner top of the upper box body 1, the top of the parting bead 4 is contacted with the inner top of the abdication groove 7, the parting bead 4 can limit the first elastic wire clamping plate 5 to move downwards continuously, the elastic bulge 8 limits the first elastic wire clamping plate 5 to move upwards, the first wire clamping assembly 3 can be effectively installed, and the installation stability is high. In addition, the second L-shaped plate 6 can also limit the lateral movement of the first elastic wire clamping plate 5, that is, offset and disperse the pushing force of part of the wire harness to the first elastic wire clamping plate 5, so that the first elastic wire clamping plate 5 can reliably limit the wire harness, and the service life of the first elastic wire clamping plate 5 is prolonged.

In this embodiment of the present utility model, in view of further improving the effect of the first elastic wire clamping plate 5 on the harness limitation and the service life, as shown in fig. 5, the first elastic wire clamping plate 5 is provided with a reinforcing rib 10 for improving the affordable stress intensity of the first elastic wire clamping plate 5.

In this embodiment of the present utility model, in view of the convenience and reliability of the entry of the elastic protrusions 8 into the openings 9, as shown in fig. 5, the mutually distant ends of the two sets of elastic protrusions 8 are each provided with a first inclined surface. Specifically, the farthest distance between the top ends of the two sets of elastic protrusions 8 is greater than the farthest distance between the bottom ends of the two sets of elastic protrusions 8.

In this embodiment of the present utility model, the distal ends of the two sets of elastic protrusions 8 are provided with a lead angle/arc angle in view of the ease of detachment of the first elastic wire clamping plate 5.

In this embodiment of the utility model, as shown in fig. 6 to 11, the catching groove may include a limit protrusion 16; the second wire clamp assembly may include a second resilient wire clamp plate 14, two sets of third L-shaped plates 15, and a resilient cam buckle 11.

The inner top of the clamping groove is provided with a limiting protrusion 16, and the second elastic wire clamping plate 14 is arranged between two adjacent groups of baffles 12. The two groups of third L-shaped plates 15 are respectively arranged at two ends of one side, close to the first L-shaped plate 13, of the two groups of second elastic wire clamping plates 14, and the clamping grooves and the limiting protrusions 16 are matched to define the third L-shaped plates 15. The elastic clasp 11 is arranged on top of the second elastic wire clamping plate 14. Specifically, the material of the third L-shaped plate 15 includes an elastic material.

When the second wire clamp assembly is required to be installed, the second elastic wire clamping plate 14 is inserted between two adjacent groups of baffle plates 12, and meanwhile, two groups of third L-shaped plates 15 respectively enter the corresponding clamping grooves. Specifically, the bottoms of the two groups of third L-shaped plates 15 are contacted with the two groups of limiting protrusions 16, the two groups of third L-shaped plates 15 are extruded and deformed until the bottoms of the two groups of third L-shaped plates 15 are abutted with the bottoms of the two groups of limiting protrusions 16, the second wire clamp assembly is installed, and the clamping grooves and the limiting protrusions 16 are matched to reliably limit the third L-shaped plates 15. The structure is convenient and reliable to install, the baffle 12 and the second elastic wire clamping plate 14 are matched to divide the interior of the lower box body 2 into a wire harness groove and a computer board mounting groove, the elastic arc buckle 11 faces the interior of the wire harness groove, the wire harness can be limited in the interior of the wire harness groove, influence of the wire harness on components on the computer board is avoided, and the reliability of the computer board is guaranteed.

In this embodiment of the present utility model, in view of convenience and reliability of insertion of the third L-shaped plate 15 into the catching groove, as shown in fig. 11, a side of the limit projection 16 away from the inner wall of the catching groove is provided with a third inclined surface. Specifically, the top side length of the limit projection 16 is smaller than the bottom side length of the limit projection 16.

In this embodiment of the present utility model, as shown in fig. 11, in order to further improve the ease of inserting the third L-shaped plates 15 into the inside of the engagement groove, the mutually distant ends of the two sets of third L-shaped plates 15 are provided with second inclined surfaces 17, and the top edge length of the third L-shaped plates 15 is greater than the bottom edge length of the third L-shaped plates 15.

Through the technical scheme, the main control board box for the household electrical appliance equipment provided by the utility model realizes reliable installation of the first wire clamp assembly 3 by matching and clamping the two groups of elastic bulges 8 of the first wire clamp assembly 3 with the holes 9 on the upper box body 1; meanwhile, the second wire clamp assembly is clamped with the clamping groove on the lower box body 2 in a matched manner, reliable installation of the second wire clamp assembly can be realized, and the high-flame-retardant BMC material is combined with the clamping structure, so that the flame retardance of the main control board box can be improved, and meanwhile, the reliability of the main control board box is ensured, namely, the influence of low toughness of the high-flame-retardant BMC material on the reliability of the main control board box is avoided; in addition, adopt fastener subassembly and box body separation's mode, can simplify the structure of moulding plastics of box body effectively to improve the efficiency and the effect of moulding plastics of box body.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model. In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims (9)

1. The utility model provides a household appliance equipment main control board box, its characterized in that, main control board box is BMC material, main control board box includes:

The upper box body (1), the upper box body (1) is provided with an opening (9);

The first line presss from both sides subassembly (3) set up the top of last box body (1), first line presss from both sides subassembly (3) include:

The top end of the first elastic wire clamping plate (5) is bent downwards in an arc shape;

The two groups of elastic bulges (8) are symmetrically arranged on two opposite side walls of the first elastic wire clamping plate (5) and are used for being matched and clamped with the bottom end of the opening (9);

The lower box body (2) is used for being matched with the upper box body (1) to form a main control board box, a plurality of groups of baffle plates (12) which are distributed at equal intervals are arranged at the inner bottom of the lower box body (2), a first L-shaped plate (13) is symmetrically arranged at one side wall side of opposite ends of two adjacent groups of baffle plates (12), and the first L-shaped plate (13) is matched with the corresponding baffle plate (12) to form a clamping groove;

the second wire clamp assemblies are used for being matched and clamped with the corresponding clamping grooves.

2. The main control board box of household electrical appliance equipment according to claim 1, wherein a plurality of heat dissipation holes are formed in the upper box body (1) in an array manner, and adjacent heat dissipation holes are separated by a parting strip (4);

The bottom of one of the other two lateral walls of first elastic wire splint (5) is provided with second L shaped plate (6), second L shaped plate (6) with first elastic wire splint (5) cooperation forms the spacing groove, the groove (7) of stepping down has been seted up to the bottom of second L shaped plate (6), the spacing groove with step down groove (7) be used for with parting bead (4) cooperation is prescribe a limit to each other.

3. The home appliance equipment main control panel box according to claim 2, characterized in that the first elastic wire clamping plate (5) is provided with a reinforcing rib (10).

4. The household appliance main control board box according to claim 1, wherein the mutually distant ends of the two groups of elastic bulges (8) are provided with first inclined surfaces.

5. The home appliance equipment main control board box according to claim 1, wherein a limit protrusion (16) is arranged at the inner top of the clamping groove.

6. The home appliance main control panel box of claim 5, wherein the second wire clamp assembly comprises:

A second elastic thread clamp (14) arranged between two adjacent groups of baffles (12);

The two groups of third L-shaped plates (15) are respectively arranged at two ends of one side, close to the first L-shaped plate (13), of the two groups of second elastic wire clamping plates (14), and the clamping grooves and the limiting protrusions (16) are matched to limit the third L-shaped plates (15);

the elastic arc buckle (11) is arranged at the top of the second elastic wire clamping plate (14).

7. Home appliance main control panel box according to claim 6, characterized in that the third L-shaped plate (15) comprises an elastic material.

8. The home appliance main control panel box according to claim 7, characterized in that the mutually distant ends of the two sets of the third L-shaped plates (15) are provided with second inclined surfaces (17), and the top edge length of the third L-shaped plates (15) is greater than the bottom edge length of the third L-shaped plates (15).

9. The home appliance equipment main control board box according to claim 5, wherein a third inclined plane is formed on one side of the limiting protrusion (16) away from the inner wall of the clamping groove.