CN208387146U - Control case assembly and household electrical appliance - Google Patents

Abstract

The utility model provides a kind of control case assembly and household electrical appliance.Wherein, control case assembly includes: wiring board, route board mount and knob, and wiring board is equipped with encoder, and encoder has the encoder inner ring being fixedly connected with wiring board and is capable of the encoder outer ring of relative line plate rotation；Route board mount is installed on wiring board, and the bottom of route board mount is equipped with notch, and notch inwardly extends through encoder outer ring position from route board mount periphery；Knob bottom is equipped with knob and buckles, and encoder outer ring is equipped with and buckles the encoder outer ring button bit matched with knob, and knob fastens on encoder outer ring, and knob, which is buckled, can rotate to position corresponding with notch.Control case assembly provided by the utility model, when controlling case assembly need to do over again, knob is buckled and turns to gap position, knob is buckled by extracting tool and is pried open from the button bit of encoder outer ring, realize knob disassembly, and the part disassembled can be continued using avoiding causing to waste when reprocessing failure model machine.

Description

Control case assembly and household electrical appliance

Technical field

The utility model relates to household appliance technical fields, more specifically, be related to a kind of control case assembly and it is a kind of include should Control the household electrical appliance of case assembly.

Background technique

Existing household electrical appliance such as electric pressure cooking saucepan, can often design on the control panel of product and manipulate to product Can 360 degree rotation knob, knob bottom design have multiple button bits, these button bits are fastened on the outer ring of encoder, encoder Feature be inner ring it is fixed in the circuit board and outer ring is rotatable structure.In addition to pursue the technology sense of product and dazzling cruel sense, Often it can be set with a light guide ring in knob outer ring, it, can be by the wiring board of light guide ring bottom at the top of light guide ring when product work Lamp is lighted.

Because after the control panel part of product is dirty, it is true that the wet rag of user Chang Huiyong, which wipes the manipulation part of product, Water on moisturizing rag is unlikely to cause wiring board to damage on the wiring board for entering knob bottom, upper in the control box of product It sets up in the bottom position of knob in respect of water-blocking groove, the assembling scheme of knob is that can only assemble down at the top of control box at this time, After first loading onto control box, knob is then assembled.In addition it because light guide ring needs to fix, needs to fill a route in the circuit board Board mount, to assemble light guide ring on assist side bracket.So the whole assemble sequence of the control box part are as follows: first will Wiring board is assemblied in control box rear cover, is reassembled route board mount, is refilled light guide ring, refills control box, finally fill knob.

In the batch production operation of product, product is inevitable that the case where need to reprocessing, however in product design When, to avoid user from unintentionally extracting knob when using product, so all can be by knob button bit and encoder when design Outer ring button bit cooperates very secured, and knob can not be extracted easily.

In existing structure scheme, behind mould group complete control box part, if discovery has exception that need to again tear the part open When opening, Chang Huiyong pliers is clamped knob and is firmly pulled out, and such disassembly mode can destroy the appearance and button bit knot of knob first Structure causes knob that can not reuse, and is damaged secondly, the operation may also lead to encoder, so as to cause the wave of cost Take.It is complete again again in disassembly process in control box part mould group so existing structure scheme has very big room for improvement, it need to use up Not part of damage is measured, so that the part after dismantling remains to continue to use.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.

For this purpose, the purpose of the utility model first aspect is, a kind of control case assembly is provided.

The purpose of the utility model the second aspect is, provides a kind of household electrical appliance including above-mentioned control box component.

To achieve the above object, the technical solution of the utility model first aspect provides a kind of control case assembly, is used for Household electrical appliance, comprising: wiring board, the wiring board are equipped with encoder, and the encoder has and the fixed company of the wiring board The encoder inner ring that connects and can be relative to the encoder outer ring that the wiring board rotates；Route board mount is installed in the route On plate, the bottom of the route board mount is equipped with notch, and the notch inwardly extends through described from the route board mount periphery Encoder outer ring position；And knob, the knob bottom are equipped with knob and buckle, the encoder outer ring is equipped with and buckles with the knob The encoder outer ring button bit matched, the knob fasten on the encoder outer ring, the knob buckle can rotate to The corresponding position of the notch.

Notch is designed in the bottom of the control case assembly that the utility model above-mentioned technical proposal provides, assist side bracket, when When control case assembly need to do over again, knob can be rotated, so that the knob of knob is buckled with knob to wiring board frame bottom Gap position, because the notch extends through encoder outer ring position from route board mount outmost turns position, when disassembly, can be toward the notch A disassembly stick or straight screwdriver and the closed position that knob Yu encoder outer ring can be touched inside are filled in, namely touches rotation Button is pried open so can be buckled knob by extracting tool from the button bit of encoder outer ring, to realize knob from encoder Tripping, enables the knob person of being disassembled easily to extract, and will not destroy the part being disassembled when disassembly, the part energy disassembled It continues using avoiding waste caused by when reprocessing failure model machine.

In addition, the control case assembly that the utility model above-mentioned technical proposal provides can also have following supplementary technology special Sign:

In the above-mentioned technical solutions, it is preferable that the width of the notch is greater than 2mm.

The width for designing notch is greater than 2mm, fills in a disassembly stick or a word screw when in order to dismantle in the notch The extracting tools such as knife, and the knob for being located at gap position is buckled using extracting tool and applies removal force.

In the above-mentioned technical solutions, it is preferable that the highest point of the notch is higher than the lowermost end that the knob is buckled.

Design notch highest point is higher than knob and fastens the lowermost end that the knob of encoder is buckled, to ensure to fill in unloading in notch Tool can more easily touch knob and buckle, and then buckles knob by extracting tool and pry open from the button bit of encoder outer ring.

In the above-mentioned technical solutions, it is preferable that the notch is in the rectangular configuration of bottom opening.

Notch is designed to the rectangular configuration of bottom end opening, makes notch that there is biggish top end surface, is conducive to extracting tool Knob is buckled and applies removal force, and makes the simple shape of notch, it is easy to process.

In the above-mentioned technical solutions, it is preferable that the knob bottom is equipped with multiple knobs and buckles, the encoder outer ring It is equipped with and buckles one-to-one multiple encoder outer ring button bits with multiple knobs, each knob is buckled can be with The knob is rotated to position corresponding with the notch.

It designs multiple knobs to buckle and encoder outer ring button bit, to ensure knob fastness fixed on encoder outer ring； When specific disassembly knob, a knob of knob is first made to buckle the gap position for turning to wiring board frame bottom, in indentation, there Extracting tool is filled in, extracting tool is made to touch the button bit of knob, is buckled knob from encoder outer ring button bit by extracting tool On pry open；After the knob, which is buckled, to be pried open, it can continue to rotate knob, buckle other knobs of knob and rotate to the gap position, The knob is pried open using same procedure to buckle, until sufficient amount of knob is buckled and is threaded off from encoder, knob can the person of being disassembled it is light Until pine is extracted.

In the above-mentioned technical solutions, the knob is buckled as set on the clasp of the knob bottom, the encoder outer ring button Position is the groove on the lateral surface of the encoder outer ring.

Knob is buckled and is set as clasp, encoder outer ring button bit is set as groove, is designed to ensure that knob is rotated to buckleing in this way When hook and notch corresponding position, the clasp of the inside can be exposed by gap position, and extracting tool is easy to use to apply clasp Add removal force.

In any of the above-described technical solution, it is preferable that the encoder has the volume being located on the outside of the encoder outer ring Code device step, the route board mount are equipped with the abutting muscle for pushing down the encoder step；The control case assembly is also Including control box rear cover and control box, the wiring board covers after being mounted on the control box, and the control box cover is mounted in described It is covered after control box and pushes down the route board mount.

It is designed for pushing down the abutting muscle of encoder step, after the assembly is completed, wiring board cradle top quilt in the circuit board Control box is pushed down, so control box presses encoder indirectly, when disassembly is fastened on the knob of encoder outer ring, Huo Zheyong When power pulls out the knob for being fastened on encoder outer ring, because encoder step is pushed down by route board mount, so being welded for encoder In the circuit board the case where, the forced position of encoder is encoder step in this scenario, and the weldering of encoder and wiring board Placement of foot is not forced, therefore even if encoder welding is insecure in the circuit board, when dismantling knob or firmly pulling out knob, The pin of encoder will not be caused, which to be pulled out, leads to product failure.

In the above-mentioned technical solutions, it is preferable that the distance between the abutting muscle and the knob side wall are greater than 0.4mm.

Design abuts the distance between muscle and knob side wall and is greater than 0.4mm, to avoid the abutting muscle and rotation for pushing down encoder Button interference, namely the normal rotation for avoiding setting from abutting muscle influence knob.

In the above-mentioned technical solutions, it is preferable that the bottom sidewall of the route board mount is equipped with limit rib, the coding Device has the encoder side wall of the outer fringe position positioned at the encoder step, and the limit rib is outer with the encoder side wall Wall surface cooperation limit.

It is unlikely to interfere with knob to ensure to push down the abutting muscle of encoder step, and because of the limit of encoder and wiring board Certain error is had, to shorten dimension chain, above scheme is straight by route board mount and encoder in encoder border neighbouring position Cooperation limit, i.e. one or more snippets limit rib of assist side frame bottom sidewall design are connect, after the assembly is completed, the limit rib and volume The outside wall surface of code device side wall cooperates limit, to achieve the purpose that accurate limit route board mount.

The technical solution of the utility model second aspect provides a kind of household electrical appliance, including such as any of the above-described technical solution The control case assembly.

The household electrical appliance that the utility model above-mentioned technical proposal provides, because it is with control described in any of the above-described technical solution Case assembly processed, thus with the beneficial effect for controlling case assembly described in any of the above-described technical solution.

The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this The practice of type is recognized.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the decomposition texture schematic diagram that case assembly is controlled described in the utility model one embodiment；

Fig. 2 is the structural schematic diagram of route board mount in control case assembly shown in Fig. 1；

Fig. 3 is the structural schematic diagram of wiring board in control case assembly shown in Fig. 1；

Fig. 4 is the structural representation when control box rear cover of control case assembly described in the utility model one embodiment removes Figure；

Fig. 5 is the schematic view of the front view in control case assembly shown in Fig. 4 after the component assembly of part；

Fig. 6 be in Fig. 5 A-A to schematic cross-sectional view；

Fig. 7 is the schematic cross-sectional view of B-B direction in Fig. 6；

Fig. 8 is the enlarged structure schematic diagram in the portion C in Fig. 7；

Fig. 9 is the overlooking structure diagram of route board mount shown in Fig. 2；

Figure 10 be in Fig. 9 D-D to schematic cross-sectional view；

Figure 11 be in Figure 10 E-E to schematic cross-sectional view；

Figure 12 is the schematic view of the front view that case assembly is controlled described in the utility model one embodiment；

Figure 13 be in Figure 12 F-F to schematic cross-sectional view；

Figure 14 is the enlarged structure schematic diagram in the portion G in Figure 13；

Figure 15 is the enlarged structure schematic diagram in the portion H in Figure 13.

Wherein, corresponding relationship of the Fig. 1 into Figure 15 between appended drawing reference and component names are as follows:

1 wiring board, 11 encoders, 111 encoder inner rings, 112 encoder outer rings, 113 encoder steps, 114 encoders Side wall, 115 encoder outer ring button bits, 2 route board mounts, 21 notches, 22 abutting muscle, 23 limit ribs, 3 knobs, 31 knobs are buckled, and 32 Knob side wall, 4 control boxes, 41 water-blocking grooves, 5 control box rear covers, 51 accommodation grooves, 6 light guide rings.

Specific embodiment

In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen The feature in embodiment and embodiment please can be combined with each other.

Many details are explained in the following description in order to fully understand the utility model, still, this is practical It is novel to be implemented using other than the one described here mode, therefore, the protection scope of the utility model not by The limitation of following public specific embodiment.

1 to Figure 15 the control case assembly and household electric according to some embodiments of the utility model are described with reference to the accompanying drawings Device.

As shown in Fig. 1 to Figure 15, according to a kind of control case assembly of some embodiments offers of the utility model, comprising: line Road plate 1, route board mount 2 and knob 3.

Specifically, as shown in Figure 1 and Figure 4, wiring board 1 is equipped with encoder 11, and encoder 11 has fixed with wiring board 1 The encoder inner ring 111 of connection and the encoder outer ring 112 for capableing of the rotation of relative line plate 1；Route board mount 2 is installed in route On plate 1, the bottom of route board mount 2 is equipped with notch 21, and as shown in Figure 2 and Figure 9, notch 21 is inside from 2 periphery of route board mount Extend through 112 position of encoder outer ring；3 bottom of knob is equipped with knob and buckles 31, and encoder outer ring 112, which is equipped with, buckles 31 phases with knob The encoder outer ring button bit 115 of cooperation, knob 3 fastens on encoder outer ring 112, knob buckle 31 can rotate to notch 21 Corresponding position.

Notch 21 is designed in the bottom of the control case assembly that the utility model above-mentioned technical proposal provides, assist side bracket 2, When controlling case assembly need to do over again, knob 3 can be rotated, so that the knob of knob 3, which buckles 31, turns to route board mount with knob 3 It is torn open because the notch 21 extends through 112 position of encoder outer ring from 2 outmost turns position of route board mount 21 position of notch of 2 bottoms A disassembly stick or straight screwdriver can be filled in when unloading in the notch 21 and knob 3 and encoder outer ring 112 can be touched Closed position, namely touch knob and buckle 31, so knob 3 can be fastened on to the rotation of encoder outer ring 112 by extracting tool Button 31 is pried open from encoder outer ring button bit 115, to realize that knob 3 is threaded off from encoder 11, enables knob 3 split The person of unloading easily extracts, and while dismantling will not destroy the part being disassembled, and the part disassembled can be continued using avoiding and return Waste caused by when repairing failure model machine.

Preferably, as shown in Figure 8 and Figure 11, the width of notch 21 is greater than 2mm, the width of the L indication notch 21 in diagram, L > 2mm.

The width for designing notch 21 is greater than 2mm, fills in a disassembly stick or a word when in order to dismantle in the notch 21 Screwdriver, and 31 applications are buckled to the knob for being located at 21 position of notch and are dismantled.

Preferably, as shown in figure 8, the highest point of notch 21 is higher than the lowermost end that knob buckles 31, the H1 in diagram indicates to lack The distance of 31 lowermost end, H1 > 0 are buckled to knob in the highest point of mouth 21.

The knob that design 21 highest point of notch is higher than the fastening encoder 11 of knob 3 buckles 31 lowermost end, scarce to ensure to fill in Unloading tool and can touch knob and buckle 31 in mouthfuls 21, and then extracting tool can be passed through, knob 3 is fastened on encoder outer ring 112 Knob is buckled 31 and is pried open from the button bit of encoder outer ring 112.

Preferably, as shown in Fig. 7, Fig. 8 and Figure 11, notch 21 is in the rectangular configuration of bottom opening.

Notch 21 is designed to the rectangular configuration of bottom end opening, makes notch 21 that there is biggish top end surface, is conducive to disassembly Tool buckles 31 application removal forces to knob, and makes the simple shape of notch 21, easy to process.

Preferably, 3 bottom of knob is equipped with multiple knobs and buckles 31, and encoder outer ring 112, which is equipped with, buckles 31 1 with multiple knobs One corresponding multiple encoder outer rings button bit 115, each knob, which buckles 31, can rotate with knob 3 to position corresponding with notch 21 It sets.

When specific disassembly knob 3, a knob of knob 3 is first made to buckle 31 notches for turning to 2 bottom of route board mount Extracting tool is filled at notch 21 in 21 positions, and extracting tool is made to touch the button bit of knob 3, by extracting tool by knob 3 The knob for being fastened on encoder outer ring 112 is buckled 31 and is pried open from encoder outer ring button bit 115；After the knob, which buckles 31, to be pried open, It can continue to rotate knob 3, so that other knobs of knob 3 is buckled 31 and rotate to 21 position of notch, which is pried open using same procedure Button 31, until the sufficient amount of knob of knob 3 buckles 31 and threads off from encoder 11, knob 3 can the person of being disassembled easily extract Until.

Preferably, as shown in Figure 1, Figure 2 and shown in Figure 15, knob buckles 31 as set on the clasp of 3 bottom of knob, encoder outer ring button Position 115 is the groove on the lateral surface of encoder outer ring 112.

Knob is buckled and 31 is set as clasp, encoder outer ring button bit 115 is set as groove, is designed to ensure that knob 3 revolves in this way When going to clasp and 21 corresponding position of notch, the clasp of the inside can be exposed by 21 position of notch, and is easy to use disassembly work Tool applies removal force to clasp.

In one embodiment of the utility model, as shown in Figure 1, control case assembly includes: control box rear cover 5, route Plate 1, route board mount 2, light guide ring 6, control box 4 and knob 3, wiring board 1 are mounted on control box rear cover 5, specifically, control Box rear cover 5 is equipped with accommodation groove 51, and wiring board 1 is mounted in accommodation groove 51；Route board mount 2 is installed in assist side 1, light guide ring 6 installing assist side bracket, 2 top, for control box 4 lid on control box rear cover 5, wiring board 1 is equipped with encoder 11, knob 3 Be fastened on encoder outer ring 112, specifically, 3 bottom of knob is equipped with multiple knobs and buckles 31, encoder outer ring 112 be equipped with Multiple knobs buckle 31 one-to-one multiple encoder outer rings button bits 115, and knob 3 buckles 31 by knob and fastens to encoder outer ring On 112, the bottom of route board mount 2 is equipped with notch 21, and notch 21 inwardly extends through encoder outer ring from 2 periphery of route board mount 112 positions, each knob, which buckles 31, can rotate to position corresponding with notch 21, and 21 highest point of notch is higher than knob and buckles 31 lowermost end.

In order to promote the technology sense of product and dazzle cruel sense, as shown in Figure 1, wiring board 1, which is equipped with, is located at 11 periphery of encoder Light emitting source, route board mount 2 is equipped with through-hole corresponding with light emitting source, and light guide ring 6 is installed the top of assist side bracket 2, led It can be lighted by light emitting source at the top of aperture 6；To ensure user when wiping the manipulation part of product with wet rag, on wet rag Water is unlikely on the wiring board 1 for entering 3 bottom of knob and wiring board 1 is caused to damage, as shown in Figure 1, on the control box 4 of product It is standing in respect of water-blocking groove 41 positioned at the bottom position of knob 3；The assemble sequence of the control case assembly are as follows: first assemble wiring board 1 In control box rear cover 5, route board mount 2 is reassembled, light guide ring 6 is refilled, refills control box 4, finally fill knob 3.

A notch 21 is designed in the bottom of the route board mount 2 of assembly light guide ring 6, when the control case assembly need to do over again When, first control box rear cover 5 is removed, knob 3 is then rotated, so that a button bit of knob 3 turns to 2 bottom of route board mount 21 position of notch in portion, because the notch 21 extends through encoder outer ring 112 from 2 outmost turns position of route board mount, when disassembly, can A disassembly stick or straight screwdriver are filled in the notch 21 and can touch 11 position of encoder, in addition most because of the notch 21 High point need to be higher than the lowermost end that knob 3 fastens the button bit of encoder 11, so filling in unloading tool and can touch in the notch 21 Knob buckles 31, pries open from encoder outer ring button bit 115 so knob can be buckled to 31 by the extracting tool.When the knob is buckled After 31 are pried open, it can continue to rotate knob 3, so that other knobs of knob 3 is buckled 31 and rotate to 21 position of notch, using phase Tongfang Method pries open the button bit, until enough button bits of knob 3 are threaded off from encoder 11, knob 3 can until the person of being disassembled easily extracts, The part being disassembled will not be destroyed when removing, and dismantling from encoder 11 by knob 3 by extracting tool to realize, is torn open The part unloaded down can continue using, when avoiding reprocessing failure model machine caused by waste.

In one embodiment of the utility model, as shown in Fig. 2, Fig. 3, Figure 13 and Figure 14, encoder 11, which has, to be located at The encoder step 113 in 112 outside of encoder outer ring, route board mount 2 are equipped with the abutting for pushing down encoder step 113 Muscle 22；Control case assembly further includes control box rear cover 5 and control box 4, and control box rear cover 5 is equipped with accommodation groove 51, and wiring board 1 is pacified In accommodation groove 51, control box 4 lid is on control box rear cover 5 and pushes down route board mount 2.

It is designed for pushing down the abutting muscle 22 of encoder step 113, after the assembly is completed, route board mount 2 in assist side 1 Top is pushed down by control box 4, so control box 4 presses encoder 11 indirectly, when disassembly is fastened on encoder outer ring 112 When knob 3, or firmly when pulling out the knob 3 for being fastened on encoder outer ring 112, because encoder step 113 is pressed by route board mount 2 Firmly, so in the case of encoder 11 welds in assist side 1, the forced position of encoder 11 is encoder in this scenario Step 113, and encoder 11 and the leg position of wiring board 1 are not forced, therefore even if encoder 11 welds in assist side 1 Insecure, when dismantling knob 3 or firmly pulling out knob 3, the pin of encoder 11 will not be caused, which to be pulled out, leads to product event Barrier.

Preferably, as shown in figure 14, the distance between muscle 22 and knob side wall 32 are abutted and is greater than 0.4mm, the H2 in diagram It indicates to abut the distance between muscle 22 and knob side wall 32, H2 > 0.4mm.

Design abuts the distance between muscle 22 and knob side wall 32 and is greater than 0.4mm, to avoid the abutting for pushing down encoder 11 Muscle 22 and knob 3 are interfered, namely the normal rotation for avoiding setting from abutting the influence knob 3 of muscle 22.

Further, as shown in Fig. 2, Fig. 3, Figure 13 and Figure 14, the bottom sidewall of route board mount 2 is equipped with limit rib 23, encoder 11 has the encoder side wall 114 of the outer fringe position positioned at encoder step 113, limit rib 23 and coder side The outside wall surface of wall 114 cooperates limit.

It is unlikely to interfere with knob 3 to ensure to push down the abutting muscle 22 of encoder step 113, and because of encoder 11 and route The limit of plate 1 has certain error, and to shorten dimension chain, above scheme is in 11 border neighbouring position of encoder, by wiring board branch Frame 2 and encoder 11 directly cooperate limit, i.e. 2 bottom sidewall of assist side bracket designs one or more snippets limit rib 23, assembly After the completion, the outside wall surface of the limit rib 23 and encoder side wall 114, which cooperates, limits, to reach accurate limit route board mount 2 Purpose.

The embodiment of the utility model second aspect provides a kind of household electrical appliance, the control including such as above-mentioned any embodiment Case assembly processed.

The utility model household electrical appliance provided by the above embodiment, because of its control box group with any of the above-described embodiment Part, thus the beneficial effect of the control case assembly with any of the above-described embodiment.

In one embodiment of the utility model, the household electrical appliance are electric pressure cooking saucepan, certain household electrical appliance It can be other household electrical appliance such as electric cooker, soy bean milk making machine, washing machine with control case assembly etc. namely above-mentioned control box group Part is widely used in various small household electrical appliances, should all be in the utility model without departing from the design concept of the utility model Protection scope in.

In conclusion control case assembly provided by the embodiment of the utility model, notch is designed in the bottom of assist side bracket, When controlling case assembly need to do over again, knob is made to buckle the gap position for turning to wiring board frame bottom, because the notch is from wiring board Bracket outmost turns position extends through encoder outer ring position, and when disassembly can fill in a disassembly stick or a word screw in the notch Knife simultaneously can touch knob and buckle, and pry open from the button bit of encoder outer ring to be buckled knob by extracting tool, realize that knob is torn open The part for unloading, and disassembling can be continued using avoiding causing to waste when reprocessing failure model machine.

In the description of the utility model, it is to be understood that the orientation or positional relationship of the instructions such as term " on ", "lower" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or unit must have specific direction, be constructed and operated in a specific orientation, it is thus impossible to understand For limitations of the present invention.

In the description of the present invention, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should all It is interpreted broadly, for example, " connection " may be fixed connection or may be dismantle connection, or integral connection, or is electrically connected It connects；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art, may be used To understand the concrete meaning of above-mentioned term in the present invention as the case may be.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples In can be combined in any suitable manner.

The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of control case assembly is used for household electrical appliance characterized by comprising

Wiring board, the wiring board are equipped with encoder, and the encoder has the encoder being fixedly connected with the wiring board Inner ring and can relative to the wiring board rotate encoder outer ring；

Route board mount is installed on the wiring board, and the bottom of the route board mount is equipped with notch, and the notch is from described Route board mount periphery inwardly extends through encoder outer ring position；With

Knob, the knob bottom are equipped with knob and buckle, and the encoder outer ring, which is equipped with, buckles the coding matched with the knob Device outer ring button bit, the knob fasten on the encoder outer ring, and the knob, which is buckled, can rotate to corresponding with the notch Position.

2. control case assembly according to claim 1, which is characterized in that

The width of the notch is greater than 2mm.

3. control case assembly according to claim 1, which is characterized in that

The highest point of the notch is higher than the lowermost end that the knob is buckled.

4. control case assembly according to claim 1, which is characterized in that

The notch is in the rectangular configuration of bottom opening.

5. control case assembly according to claim 1, which is characterized in that

The knob bottom is equipped with multiple knobs and buckles, and the encoder outer ring, which is equipped with, buckles an a pair with multiple knobs The multiple encoder outer ring button bits answered, each knob is buckled can rotate to corresponding with the notch with the knob Position.

6. control case assembly according to claim 1, which is characterized in that

The knob is buckled as set on the clasp of the knob bottom, encoder outer ring button bit is set on the encoder outer ring Lateral surface on groove.

7. control case assembly according to any one of claim 1 to 6, which is characterized in that

The encoder has the encoder step being located on the outside of the encoder outer ring, and the route board mount is equipped with and is used for Push down the abutting muscle of the encoder step；

The control case assembly further includes control box rear cover and control box, and the wiring board covers after being mounted on the control box, The control box cover covers after being mounted in the control box and pushes down the route board mount.

8. control case assembly according to claim 7, which is characterized in that

The distance between the abutting muscle and the knob side wall are greater than 0.4mm.

9. control case assembly according to claim 7, which is characterized in that

The bottom sidewall of the route board mount is equipped with limit rib, and the encoder has positioned at the outer of the encoder step The outside wall surface of the encoder side wall of edge position, the limit rib and the encoder side wall, which cooperates, to be limited.

10. a kind of household electrical appliance, which is characterized in that including controlling case assembly as claimed in any one of claims 1-9 wherein.