Electric control box and dish washing machine

Abstract

The electric control box comprises a box body and a cover plate, a positioning groove is formed in one end of the box body, an elastic buckle is arranged at the other end of the box body, a positioning shaft is arranged on the inner side of the cover plate, the inner side of the cover plate is positioned on the positioning groove through the positioning shaft, and the outer side of the cover plate abuts against the elastic buckle so that the cover plate can be fixed to the box body; when the elastic buckle is pressed downwards, the outer side of the cover plate is separated from the elastic buckle, and when the cover plate moves downwards and forwards, the positioning shaft moves out of the positioning groove through the notch, so that disassembly of the cover plate is achieved. The inner side of the cover plate is positioned on the positioning groove through the positioning shaft, the outer side of the cover plate abuts against the elastic buckle, the cover plate is firmly fixed to the box body by positioning the inner side and the outer side of the cover plate, and when the cover plate is detached, the cover plate can be pushed out of the box body only by pressing the elastic buckle downwards with hands and then moving the cover plate downwards and forwards. The cover plate is disassembled, auxiliary tools are not needed in the whole disassembling process, the electric control box does not need to be disassembled from the base, and operation is very easy.

Description

Technical Field

[0001] The utility model relates to the technical field of dishwashers, in particular to an electric control box and a dishwasher. Background Art

[0002] The electric control box of the household dishwasher currently on the market is generally arranged on the base, and a control circuit board is installed in the electric control box, and the control circuit board is electrically connected to the electrical components on the base.

[0003] The electric control box generally includes a box body and a cover plate. The cover plate can be detachably installed on the box body by the cooperation of clips and buckle holes. However, the connection between the clips and the buckle holes is relatively firm, and it is difficult to disassemble. Auxiliary tools need to be used to pry them apart to separate the clips and the buckle holes. Moreover, the electric control box is generally fixed to the base with screws. Since the operating space available inside the base is very small, the electric control box needs to be removed from the base in order to conveniently remove the cover plate. However, this requires removing the screws, making the removal of the cover plate more complicated and difficult.

[0004] Therefore, further improvements are necessary. Utility Model Content

[0005] The utility model aims to provide an electric control box and a dishwasher with simple structure, convenient disassembly, firm connection, simple operation and strong practicality, so as to overcome the shortcomings of the prior art.

[0006] An electric control box designed for this purpose includes a box body and a cover plate, and is characterized in that a positioning groove is provided at one end of the box body and an elastic buckle is provided at the other end, a positioning shaft is provided on the inner side of the cover plate, the inner side of the cover plate is positioned on the positioning groove through the positioning shaft, and the outer side of the cover plate is against the elastic buckle to fix the cover plate on the box body.

[0007] A notch is provided at one end of the positioning groove. When the elastic buckle is pressed downward, the outer side of the cover plate is separated from the elastic buckle. When the cover plate moves downward and forward, the positioning shaft moves out of the positioning groove through the notch to realize the removal of the cover plate.

[0008] The positioning groove includes a first groove body arranged vertically and a second groove body arranged horizontally. The rear end of the second groove body is connected to the first groove body and a notch is arranged at the front end. When the cover plate is disassembled and assembled, the positioning shaft moves up and down on the first groove body, and the positioning shaft moves forward and backward on the second groove body.

[0009] A groove is arranged at the other end of the box body, and the elastic buckle is suspended on the groove so that the elastic buckle can move downward on the groove when pressed downward.

[0010] The elastic buckle is provided with a pressing portion, the groove is provided with an opening, and the pressing portion extends out of the groove through the opening.

[0011] The positioning shafts are respectively arranged on the left and right sides of the cover plate, the positioning grooves are respectively arranged on the left and right sides of the box body, one end of the positioning shaft is provided with a first positioning surface, the inner wall of the positioning groove is provided with a second positioning surface, and the first positioning surface is against the second positioning surface.

[0012] One end of the box body is protrudingly provided with a positioning edge, the upper end of the cover plate abuts against the positioning edge, and the lower end of the cover plate abuts against the elastic buckle.

[0013] A third positioning surface is arranged on one side of the box body, and the inner side of the cover plate abuts against the third positioning surface.

[0014] A dishwasher designed for this purpose is characterized in that it includes a base and the electric control box, the base is provided with a fixing column hole, the box body is provided with a fixing hole, and the fastener passes through the fixing hole and is fastened to the fixing column hole to fix the electric control box on the base.

[0015] A positioning slot is arranged on the base, and a positioning inserting edge is arranged on the box body, and the positioning inserting edge is inserted into the positioning slot for positioning.

[0016] The inner side of the cover of the utility model is positioned on the positioning groove by the positioning shaft, and the outer side of the cover is against the elastic buckle. By positioning the inner and outer sides of the cover, the cover is firmly fixed on the box body. When the cover is removed, it is only necessary to press the elastic buckle downward by hand, and then move the cover downward and forward to push the cover out of the box body, thereby realizing the removal of the cover. The entire disassembly process does not require the aid of auxiliary tools, nor does it need to remove the electric control box from the base. The operation is very simple, making the removal of the cover very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the electric control box in one embodiment of the utility model.

[0018] Figure 2 It is a cross-sectional view of an electric control box in one embodiment of the utility model.

[0019] Figure 3 It is a cross-sectional view of the electric control box when the cover plate is removed in one embodiment of the utility model.

[0020] Figure 4 It is a cross-sectional view of another aspect of the electric control box in one embodiment of the utility model.

[0021] Figure 5 for Figure 4 Schematic diagram of the enlarged structure at point A in the middle.

[0022] Figure 6 It is a schematic diagram of the overall structure of the box body in one embodiment of the utility model.

[0023] Figure 7 It is a schematic diagram of the overall structure of the box body in another aspect in one embodiment of the utility model.

[0024] Figure 8 It is a schematic diagram of the overall structure of a cover plate in one embodiment of the utility model.

[0025] Fig. 9 It is a schematic diagram of the assembly structure of the base and the electric control box in one embodiment of the utility model.

[0026] Fig.10 It is a cross-sectional view of the assembly structure of the base and the electric control box in one embodiment of the utility model.

[0027] Fig.11 for Fig.10 Schematic diagram of the enlarged structure at point B in the middle.

[0028] Fig.12 It is a schematic diagram of the exploded structure of the base and the electric control box in one embodiment of the utility model. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0030] See also Figure 1-Figure 12 The electric control box includes a box body 1 and a cover plate 2. A positioning groove 3 is provided at the upper end of the box body 1 and an elastic buckle 4 is provided at the lower end. A positioning shaft 5 is provided on the inner side of the cover plate 2. The inner side of the cover plate 2 is positioned on the positioning groove 3 through the positioning shaft 5, and the outer side of the cover plate 2 is against the elastic buckle 4 to fix the cover plate 2 on the box body 1.

[0031] A notch 6 is provided at one end of the positioning groove 3. When the elastic buckle 4 is pressed downward, the outer side of the cover plate 2 is separated from the elastic buckle 4, and then the cover plate 2 can be moved downward and forward. When the cover plate 2 moves downward and forward, the positioning shaft 5 moves out of the positioning groove 3 through the notch 6. At this time, the entire cover plate 2 is separated from the box body 1 to realize the disassembly of the cover plate 2.

[0032] The positioning groove 3 includes a first groove body 7 arranged vertically up and down and a second groove body 8 arranged horizontally front and back. The rear end of the second groove body 8 is connected to the first groove body 7, and a notch 6 is arranged at the front end. When the cover plate 2 is disassembled, the positioning shaft 5 moves up and down on the first groove body 7, and the positioning shaft 5 moves forward and backward on the second groove body 8; specifically, when the cover plate 2 is disassembled, the positioning shaft 5 first moves downward along the first groove body 7, and then moves forward along the second groove body 8, and finally the positioning shaft 5 moves out of the positioning groove 3 through the notch 6. The movement process of the positioning shaft 5 when the cover plate 2 is installed is opposite to the movement process of the positioning shaft 5 when the cover plate 2 is disassembled, which will not be described in detail here.

[0033] A groove 9 is provided at the lower end of the box body 1, and the elastic buckle 4 is suspended on the groove 9 so that the elastic buckle 4 can move downward on the groove 9 when pressed downward, and the groove 9 can provide space for the elastic buckle 4 to press downward.

[0034] A pressing portion 12 is disposed at the front end of the elastic buckle 4 , and an opening 13 is disposed at the front end of the groove 9 . The pressing portion 12 extends out of the groove 9 through the opening 13 , so as to facilitate pressing the elastic buckle 4 .

[0035] The elastic buckle 4 is provided with a guide slope 22 . When the cover plate 2 is installed, the cover plate 2 slides backward along the guide slope 22 until the outer side of the cover plate 2 abuts against the elastic buckle 4 .

[0036] The positioning shafts 5 are respectively arranged on the left and right sides of the cover plate 2, and the positioning grooves 3 are respectively arranged on the left and right sides of the box body 1. A first positioning surface 10 is arranged at one end of the positioning shaft 5, and a second positioning surface 11 is arranged on the inner bottom wall of the positioning groove 3. The first positioning surface 10 abuts against the second positioning surface 11 to position the cover plate 2 left and right on the box body 1.

[0037] A positioning edge 14 is protruded from the upper end of the box body 1 , the upper end of the cover plate 2 abuts against the positioning edge 14 , and the lower end of the cover plate 2 abuts against the elastic buckle 4 , so that the cover plate 2 is positioned on the box body 1 up and down.

[0038] A third positioning surface 15 is provided on the front side of the box body 1 , and the inner side of the cover plate 2 abuts against the third positioning surface 15 , and the outer side of the cover plate 2 abuts against the elastic buckle 4 , so that the cover plate 2 is positioned on the box body 1 front and back.

[0039] The dishwasher comprises a base 16 and the electric control box. The base 16 is provided with a fixing column hole 17, and the box body 1 is provided with a fixing hole 18. A fastener 19 (screw) passes through the fixing hole 18 and is fastened to the fixing column hole 17, so that the electric control box is fixed on the base 16.

[0040] A positioning slot 20 is provided at the bottom of the base 16, and a positioning insert edge 21 is provided at the lower end of the box body 1. The positioning insert edge 21 is located outside the groove 9, and the positioning insert edge 21 is inserted into the positioning slot 20 to facilitate the alignment of the fixing hole 18 and the fixing column hole 17 when screwing.

[0041] A control circuit board 23 is installed in the box body 1 .

[0042] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An electric control box, comprising a box body (1) and a cover plate (2), characterized in that: A positioning groove (3) is provided at one end of the box body (1), and an elastic buckle (4) is provided at the other end. A positioning shaft (5) is provided on the inner side of the cover plate (2). The inner side of the cover plate (2) is positioned on the positioning groove (3) through the positioning shaft (5), and the outer side of the cover plate (2) abuts against the elastic buckle (4), so that the cover plate (2) is fixed on the box body (1).

2. The electric control box according to claim 1, characterized in that: A notch (6) is provided at one end of the positioning groove (3); when the elastic buckle (4) is pressed downward, the outer side of the cover plate (2) is separated from the elastic buckle (4); when the cover plate (2) moves downward and forward, the positioning shaft (5) moves out of the positioning groove (3) through the notch (6), thereby realizing the removal of the cover plate (2).

3. The electric control box according to claim 2, characterized in that: The positioning groove (3) comprises a first groove body (7) arranged vertically and a second groove body (8) arranged horizontally. The rear end of the second groove body (8) is connected to the first groove body (7) and the front end is provided with a notch (6). When the cover plate (2) is disassembled or assembled, the positioning shaft (5) moves up and down on the first groove body (7), and the positioning shaft (5) moves forward and backward on the second groove body (8).

4. The electric control box according to claim 2, characterized in that: A groove (9) is provided at the other end of the box body (1), and the elastic buckle (4) is suspended on the groove (9), so that the elastic buckle (4) moves downward on the groove (9) when pressed downward.

5. The electric control box according to claim 4, characterized in that: A pressing portion (12) is provided on the elastic buckle (4), an opening (13) is provided on the groove (9), and the pressing portion (12) extends out of the groove (9) through the opening (13).

6. The electric control box according to claim 2, characterized in that: The positioning shafts (5) are respectively arranged on the left and right sides of the cover plate (2); the positioning grooves (3) are respectively arranged on the left and right sides of the box body (1); a first positioning surface (10) is arranged at one end of the positioning shaft (5); a second positioning surface (11) is arranged on the inner wall of the positioning groove (3); and the first positioning surface (10) abuts against the second positioning surface (11).

7. The electric control box according to claim 2, characterized in that: A positioning edge (14) is protruding from one end of the box body (1), the upper end of the cover plate (2) abuts against the positioning edge (14), and the lower end of the cover plate (2) abuts against the elastic buckle (4).

8. The electric control box according to claim 2, characterized in that: A third positioning surface (15) is provided on one side of the box body (1), and the inner side of the cover plate (2) abuts against the third positioning surface (15).

9. A dishwasher, characterized in that: The electric control box comprises a base (16) and any one of claims 1 to 8, wherein the base (16) is provided with a fixing column hole (17), the box body (1) is provided with a fixing hole (18), and a fastener (19) passes through the fixing hole (18) and is fastened to the fixing column hole (17), so that the electric control box is fixed to the base (16).

10. The dishwasher according to claim 9, characterized in that: A positioning slot (20) is provided on the base (16), and a positioning insert edge (21) is provided on the box body (1), wherein the positioning insert edge (21) is inserted into the positioning slot (20) for positioning.

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