CN208926257U - Household appliance housing unit and dish-washing machine - Google Patents

Abstract

The utility model discloses a kind of household appliance housing unit and dish-washing machine, wherein household appliance housing unit includes: shell ontology；Door body, the first open position and the second open position that there is opposite shell ontology to open, the rotation connection side of door body is connected with driving plate；Door lock, door body to be locked on shell ontology；Door opener, to push driving plate after door-lock-release is to the locking of door body, so that door body rotating opening；And resistance device, including the first elastic component, drawstring, drawstring convex block and with limit via hole limit plate；Driving plate is pushed in door opener so that after door body opening, door body rotating opening until drawstring convex block is limited in limit via hole peritreme, and makes door body be limited in the first open position；And when drawstring convex block squeezes through limit via hole, until door body is limited in the second open position when the pulling force of the first elastic component makes door body stress balance.The technical solution of the utility model can make door body that can limit with respect to the open angle of shell ontology.

Description

Household appliance housing unit and dish-washing machine

Technical field

The utility model relates to field of home appliance technology, in particular to a kind of household appliance housing unit and dish-washing machine.

Background technique

Dish-washing machine generally includes shell ontology and can be with respect to the door body of shell ontology rotating opening.In the mistake of dishwasher tableware It is necessary to ensure that door body is closed with respect to shell ontology in journey, and tap water at normal temperature can be heated to certain temperature, it is more satisfactory to reach Clean effect；Normally, shell ontology is equipped with door lock to guarantee locking of the door body on shell ontology.And in the dry meal of dish-washing machine It during tool, needs to open door body, to reduce rinse temperature, to reduce energy consumption.However, in the dry meal of dish-washing machine During tool, door body should not be too large with respect to the angle that shell ontology is opened.Therefore it provides a kind of opening of door body with respect to shell ontology The dish-washing machine that angle can limit is actually necessary.

Utility model content

The main purpose of the utility model is to propose a kind of household appliance housing unit, it is intended to so that door body is with respect to shell ontology Open angle can limit.

To achieve the above object, the utility model proposes household appliance housing unit include:

Shell ontology；

Door body is installed in rotation on the shell ontology, and the first open position that there is the relatively described shell ontology to open It sets and is greater than the aperture of first open position with the second open position, the aperture of second open position, the door body Rotation connection side is connected with driving plate；

Door lock, the door body to be locked on the shell ontology；

Door opener, to push the driving plate after the door-lock-release is to the locking of the door body, so that institute State door body rotating opening；And

Resistance device, including the first elastic component, drawstring, drawstring convex block and with limit via hole limit plate, the drawstring One end connect the driving plate, the other end connects first elastic component, and the drawstring is arranged in the limit via hole, institute Drawstring convex block is stated to be fixed on the drawstring；

The door opener push the driving plate so that the door body open after, the relatively described shell sheet of the door body Body rotating opening until the drawstring convex block is limited in the limit via hole peritreme, and makes the door body be limited in described the One open position；And when the drawstring convex block squeezes through the limit via hole, until the pulling force of first elastic component makes the door When body stress balance, the door body is limited in second open position.

Optionally, the door opener includes fixing seat, push rod and the second elastic component, and the push rod prolongs towards the driving plate Stretch, and be movably disposed in the fixing seat, one end of second elastic component is connect with the fixing seat, the other end with The push rod connection, so that the push rod has the trend mobile towards the driving plate.

Optionally, the fixing seat is equipped with upwardly opening sliding cavity, and the push rod sliding is set to the sliding cavity, described Second elastic component is set as compressed spring, and one end elasticity abuts the bottom of chamber of the sliding cavity, pushes away described in other end elasticity abutting Bar.

Optionally, the side wall of the sliding cavity is equipped with the guide groove extended along the extending direction of the push rod, described to push away Bar is equipped with guide protrusions, and the guide protrusions are slideably positioned in the guide groove.

Optionally, the household appliance housing unit further includes pedestal, and the shell ontology is mounted on the base, described The rotation connection side of door body is the downside of the door body, and first elastic component and limit plate are set to the pedestal.

Optionally, the limit plate is arranged at intervals with multiple notches in the peritreme of the limit via hole.

Optionally, the limit plate has opposite the first plate face and the second plate face, on the extending direction of the drawstring, First plate face is arranged compared to second plate face close to the driving plate；

First plate face is equipped with the first guiding surface at the edge of the limit via hole；

Second plate face is equipped with the second guiding surface at the edge of the limit via hole.

Optionally, the drawstring convex block includes coaxially connected the first convex block section and the second convex block section, in the drawstring On extending direction, the first convex block section is arranged compared to the second convex block section close to the driving plate, in the side being away from each other Upwards, the first convex block section and the second convex block Duan Juncheng decrement setting.

Optionally, the pedestal is equipped with several deflecting rollers, and the drawstring is successively through several deflecting rollers and with described the The connection of one elastic component.

The utility model also proposes a kind of dish-washing machine, including household appliance housing unit above-mentioned.

In the technical solution of the utility model, when door body is closed with respect to shell ontology, on the extending direction of drawstring, limit Plate is arranged compared to drawstring convex block closer to driving plate, and is transferred to the process of drying dishware in dish-washing machine, and makes door-lock-release pair After the locking of door body, door body door opener to driving plate push effect under, can opposite shell ontology rotating opening, drawstring is convex Block is moved as drawstring is by the lifting of driving plate to the direction close to limit plate, until drawstring convex block is limited in limit via hole hole When edge, door body can be limited in the first open position；Then, continue to open Door by Hand, then drawstring convex block can be further with drawstring By the lifting of driving plate, and limit via hole is squeezed through, until door body can be limited when the pulling force of the first elastic component makes door body stress balance System is in the second open position；Obviously, in the technical program, door body can be limited in the first open position and the second open position, I other words door body can be limited with respect to the open angle of shell ontology.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is that one embodiment of the utility model household appliance housing unit is opened in door body to the structure of the first open position Schematic diagram；

Fig. 2 is that household appliance housing unit is opened in door body to the structural schematic diagram of the second open position in Fig. 1；

Fig. 3 is the structural schematic diagram of the door opener of household appliance housing unit in Fig. 1；

Fig. 4 is the structural schematic diagram of the fixing seat of door opener in Fig. 3；

Fig. 5 is the structural schematic diagram of the push rod of door opener in Fig. 3；

Fig. 6 is the structural schematic diagram of the door opener of another embodiment of the utility model household appliance housing unit；

Fig. 7 is the structural schematic diagram of the fixing seat of door opener in Fig. 6；

Fig. 8 is the structural schematic diagram of the push rod of door opener in Fig. 6；

Fig. 9 is the position assumption diagram of drawstring convex block and limit plate when door body is in the closed position；

Figure 10 is the position assumption diagram of drawstring convex block and limit plate when door body is in the first open position；

Figure 11 is the schematic cross-section of Figure 10；

Figure 12 is the position assumption diagram of drawstring convex block and limit plate when door body is in the second open position.

Drawing reference numeral explanation:

Label	Title	Label	Title
				10	Shell ontology	100	Door lock
20	Door body	21	Driving plate
				211	Hook	4	Pedestal
3	Door opener	31	Fixing seat
				310	Sliding cavity	311	Spring retention posts
312	Guide groove	313	Core-drawing hole
				32	Push rod	320	Spring installation cavity
321	Guide protrusions	322	Elastic buckle
				323	Import groove	33	Second elastic component
5	Resistance device	51	Drawstring
				52	Drawstring convex block	521	First convex block section
522	Second convex block section	53	Limit plate
				530	Limit via hole	531	Notch
532	First guiding surface	533	Second guiding surface
				54	First elastic component	6	Deflecting roller

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection scope of the requires of the utility model.

The utility model proposes a kind of household appliance housing units.The household appliance housing unit is usually applied to dish-washing machine Or in the household appliances such as disinfection cabinet, so that door body can be with respect to its shell ontology from these household appliance courses of work It opens.Below for the application by the household appliance housing unit on dish-washing machine, which is introduced.

Referring to Fig.1, Fig. 2, Fig. 9 are to Figure 12, and in an embodiment of the utility model, which includes:

Shell ontology 10；

Door body 20 is installed in rotation on shell ontology 10, and the first open position that there is opposite shell ontology 10 to open With the second open position, the aperture of the second open position is greater than the aperture of the first open position, and the rotation connection side of door body 20 connects It is connected to driving plate 21；

Door lock 100, door body 20 to be locked on shell ontology 10；

Door opener 3, driving plate 21 is pushed, so that door body 20 after door lock 100 is released to the locking of door body 20 Rotating opening；And

Resistance device 5, including the first elastic component 54, drawstring 51, drawstring convex block 52 and with limit via hole 530 limit Plate 53, one end of drawstring 51 connect driving plate 21, and the other end connects the first elastic component 54, and drawstring 51 is arranged in limit via hole 530, drawstring convex block 52 is fixed on drawstring 51；

Driving plate 21 is pushed so that after the opening of door body 20 in door opener 3, and door body 20 is beaten relative to the rotation of shell ontology 10 It opens, until drawstring convex block 52 is limited in limit 530 peritreme of via hole, and door body 20 is made to be limited in the first open position；And when drawing Rope convex block 52 squeezes through limit via hole 530, until door body 20 is limited in second when the pulling force of elastic component makes 20 stress balance of door body Open position.

Without loss of generality, in the present embodiment, door opener 3 is usually to install independently of door lock 100, and door lock 100 is logical Often it is mounted on the opposite side that door body 20 is rotatablely connected side.

In the technical solution of the utility model, when door body 20 is closed with respect to shell ontology 10, in the extending direction of drawstring 51 On, limit plate 53 is arranged compared to drawstring convex block 52 closer to driving plate 21, and is transferred to the process of drying dishware in dish-washing machine, and After releasing door lock 100 to the locking of door body 20, door body 20 door opener 3 to driving plate 21 push effect under, can phase To 10 rotating opening of shell ontology, drawstring convex block 52 is as drawstring 51 is by the lifting of driving plate 21, to the direction close to limit plate 53 It is mobile, until door body 20 can be limited in the first open position when drawstring convex block 52 is limited in limit 530 peritreme of via hole；Then, Continue to open Door by Hand, then drawstring convex block 52 can squeeze through limit via hole further with drawstring 51 by the lifting of driving plate 21 530, until door body 20 can be limited in the second open position when the pulling force of the first elastic component 54 makes 20 stress balance of door body；It is aobvious So, in the technical program, door body 20 can be limited in the first open position and the second open position, i other words, door body 20 is opposite The open angle of shell ontology 10 can limit.In addition, the rinse temperature of drying dishware process can be reduced after the opening of door body 20, The purpose of energy consumption is reduced to realize drying dishware in the process.

It should be noted that, when door body 20 is in the closed position, drawstring 51 may be at the shape that relaxes in the present embodiment State, at this point, the first elastic component 54 is also in relaxed state, in such cases, it is biggish that door body 20 can get open angle First open position.Right the design is without being limited thereto, in other embodiments, when door body 20 is in the closed position, and drawstring 51 It can be at tensing or nearly tension, at this point, the first elastic component 54 is also in and tenses or nearly tension, such situation Under, during the door body 20 that will be in the first open position is closed, pulling force caused by the first elastic component 54 can be also pass Door provides power-assisted.

In addition, in the present embodiment, during door body 20 is closed from the second open position, in the first elastic component 54 Reaction force under, drawstring convex block 52 can it is back to squeeze cross limit via hole 530, i other words, drawstring convex block 52 is resilient to limit plate 53 The side away from driving plate 21.In the present embodiment, the first elastic component 54 is usually arranged as extension spring；Certainly, in other realities It applies in example, the first elastic component 54 may also be configured to rubber band etc..

Referring to Fig. 3 to Fig. 5, in the present embodiment, further, door opener 3 includes fixing seat 31, push rod 32 and second Elastic component 33, push rod 32 extend towards driving plate 21, and are movably disposed in fixing seat 31, one end of the second elastic component 33 with Fixing seat 31 connects, and the other end is connect with push rod 32, so that push rod 32 has the trend mobile towards driving plate 21.It can manage It solves, in the present embodiment, since push rod 32 has the trend mobile towards driving plate 21, so it is in the closed position in door body 20 When, the push rod 32 of door opener 3 can constantly to driving plate 21 have one it is outside push power, in this way, being transferred in dish-washing machine dry The process of dry tableware, and after releasing door lock 100 to the locking of door body 20, in push rod 32 under the action of pushing power outward, It can be by persistently pushing to driving plate 21, to guarantee that door body 20 shell ontology 10 can flick certainly relatively.

Without loss of generality, in the present embodiment, door body 20 is rotatably connected at shell ontology 10, and the door hinge by door hinge Chain is the driving plate 21.In the present embodiment, specifically, door hinge is typically provided with two, and sets up separately and be rotatablely connected in door body 20 The opposite end of side.In the present embodiment, door opener 3 directly acts on door hinge, and structure is more simple.Right the design is not limited to This, in other embodiments, can also door body 20 rotation connection side additional compared to the driving that 20 bending of door body extends Plate 21.

In the present embodiment, normally, door hinge is equipped with the hook 211 connected for drawstring 51 (see Fig. 1), it will be understood that Compared to the technical solution that hanging hole is arranged in door hinge, setting hook 211 is without carrying out rope threading operations, consequently facilitating drawstring 51 Connection between door hinge.

Preferably, the free end end face of push rod 32, which is equipped with, imports groove 323, and door hinge activity is caught in the importing groove 323, It is appreciated that door hinge generated slight shift in assembly or transportational process can be prevented by importing adding for groove 323, and draw Door opener 3 is played to fail.

In the present embodiment, further, which further includes pedestal 4, wherein shell ontology 10 is installed On pedestal 4, the rotation connection side of door body 20 is the downside of door body 20, and fixing seat 31 is mounted between door body 20 and pedestal 4, Push rod 32 can fix seat 31 relatively, and activity is stretched out upward, in this way, pushing door hinge in push rod 32, and drives 20 rotating opening of door body During, also using the gravity of door body 20 itself so that 20 rotating opening of door body obtain it is more smooth.

Further, fixing seat 31 is equipped with upwardly opening sliding cavity 310, and the sliding of push rod 32 is set to the sliding cavity 310, the Two elastic components 33 are set as compressed spring, and one end elasticity abuts the bottom of chamber of sliding cavity 310, and other end elasticity abuts push rod 32. It is appreciated that can be second by fixing seat 31 by the second elastic component 33 and the sliding cavity 310 of the receiving setting of part push rod 32 Elastic component 33 and the part push rod 32 provide protection.In the present embodiment, fixing seat 31 is usually arranged as moulding, solid to avoid There is the phenomenon that shrinking deformation in reservation 31, and fixing seat 31 is equipped with the core-drawing hole 313 of multiple anti-shrinkage, in addition, these core-drawing holes 313 setting, injected plastics material needed for fixing seat 31 can also be saved, to reduce its cost.

Further, push rod 32 is equipped with downward opening spring installation cavity 320, and compressed spring protrudes into spring installation cavity 320 It is interior, in this way, on the one hand solid particle, which can be reduced, falls into compressed spring, and flexible the phenomenon that being affected of compressed spring is caused to go out It is existing, on the other hand good positioning can be provided for the installation of compressed spring, the probability that compressed spring is detached from 32 lower end of push rod is reduced, So that the structure of door opener 3 is more stable.

In the present embodiment, further, the bottom of chamber of sliding cavity 310 is equipped with spring retention posts 311, and compressed spring is socketed in bullet On spring positioning column 311, and spring retention posts 311 are movable protrudes into spring installation cavity 320, it will be understood that spring retention posts 311 add, may make the installation of compressed spring to stablize.Optionally, spring retention posts 311 are set as upwardly opening hollow On the one hand column can save material (injected plastics material), on the other hand can reduce the contraction deformation probability of spring retention posts 311.

Further, the side wall of sliding cavity 310 is equipped with the guide groove 312 extended along the extending direction of push rod 32, push rod 32 are equipped with guide protrusions 321, and guide protrusions 321 are slideably positioned in guide groove 312, in this way, can be push rod 32 to door hinge Activity pushes the guiding provided on activity direction, so that improving push rod 32 pushes movable stability.

In the present embodiment, specifically, push rod 32 is equipped with Elastic buckle 322, and the guide protrusions 321 are Elastic buckle 322 buckle, guide groove 312 are then arranged to slide through the buckle of the guide groove of 310 side wall of sliding cavity, Elastic buckle 322 In guide groove, in this way, on the one hand can be by sliding of the buckle of Elastic buckle 322 on guide groove, for supporting for push rod 32 Movable provider is pushed away to guiding, anti-throw-out lever 32 occurs rotation phenomenon during pushing, on the other hand can pass through Elastic buckle 322 buckles support the upper end for terminating in guide groove, to avoid push rod 32 that supporting for push rod 32 is detached from and limited from sliding cavity 310 Carry out journey.In the present embodiment, normally, Elastic buckle 322 and guide groove are equipped with multiple, multiple elastic card correspondingly Button 322 is arranged along the circumferential uniform intervals of the push rod 32, it should be noted that the setting of Elastic buckle 322 is illustrated only in Fig. 5 There are two situation, but this do not really want limit Elastic buckle 322 quantity, in fact, Elastic buckle 322 and guide groove are also It can be set as 3,4 etc. correspondingly.

Right the design is without being limited thereto, and in other embodiments, referring to Fig. 6 to Fig. 8, guide protrusions 321 may also be configured to push away On the outer peripheral surface of bar 32 along push rod 32 extending direction extend guiding convex ribs, meanwhile, guide groove 312 may also be configured to it is recessed in The guiding blind slot of 310 inner wall of sliding cavity, guiding convex ribs are slideably positioned in guiding blind slot, in this way, also can pushing for push rod 32 There is rotation phenomenon to guiding, anti-throw-out lever 32 during pushing in movable provider.In the present embodiment, normally, it is oriented to convex Muscle and guiding blind slot be equipped with correspondingly it is multiple, it is multiple guiding convex ribs along the push rod 32 circumferential uniform intervals be arranged, It should be noted that illustrating only the situation that guiding convex ribs are provided with 4 in Fig. 8, but this does not really want to limit the number for being oriented to convex ribs Amount, in fact, Elastic buckle 322 and guide groove can also be set as 2,3 etc. correspondingly.

In the present embodiment, further, shell ontology 10 is mounted on pedestal 4, and the rotation connection side of door body 20 is door body 20 downside, the first elastic component 54 and limit plate 53 are set to pedestal 4.

Referring to Fig.1 2, in the present embodiment, further, limit plate 53 is spaced setting in the peritreme of limit via hole 530 There are multiple notches 531, to improve limit 530 peritreme of the via hole convenience that deformation occurs of limit plate 53, to may make drawstring Convex block 52 can more easily squeeze through limit via hole 530.It is appreciated that normally, being limited in the first open position in door body 20 When setting, drawstring convex block 52 is to be interference fitted to be limited in limit 530 peritreme of via hole.

In the present embodiment, limit plate 53 has opposite the first plate face and the second plate face, on the extending direction of drawstring 51, First plate face is arranged compared to the second plate face close to driving plate 21.Referring to Fig.1 1, further, the second plate face is in limit via hole 530 edge is equipped with the second guiding surface 533, in order to which drawstring convex block 52 squeezes through limit via hole 530, and makes door body 20 can be to the It opens two open positions.Similarly, the first plate face is equipped with the first guiding surface 532 at the edge of limit via hole 530, in order to draw Convex block of restricting is back to squeeze to cross limit via hole 530, and makes door body 20 that can return back to closed position from the second open position.In the present embodiment, Preferably, the first guiding surface 532 is connected with 533 phase of the second guiding surface, and neighbouring the second of the first guiding surface 532 is led It is arranged to the part on inclined-plane 533 in convex globoidal；It is appreciated that during the limit via hole 530 excessively back to squeeze of drawstring convex block 52, only The restoring force of the first elastic component 54 can be relied on, for this reason, it may be necessary to the first guiding surface 532 is arranged more gentle, and convenient for drawing Restrict convex block 52 it is back to squeeze.

Referring to Fig. 9, in the present embodiment, further, drawstring convex block 52 includes coaxially connected 521 He of the first convex block section Second convex block section 522, on the extending direction of drawstring 51, the first convex block section 521 is compared to the second convex block section 522 close to driving plate 21 settings, on the direction being away from each other, the first convex block section 521 and the second convex block section 522 are in decrement setting, in this way, can be into one Step squeezes through limit via hole 530 and limit via hole 530 excessively back to squeeze convenient for drawstring convex block 52.Preferably, the first convex block section 521 with The connection of second convex block section, 522 rounding off squeezes through generated frictional force when limit via hole 530 to reduce.

Further, the free end end face of the second convex block section 522 less than the first convex block section 521 free end end face, in this way, Limit via hole 530 can be caught in convenient for drawstring convex block 52 in drawstring convex block 52 during limit via hole 530 excessively back to squeeze.In addition, Normally, the outer peripheral surface gradient of the second convex block section 522 less than the first convex block section 521 outer peripheral surface gradient, in other words, the second convex block Section 522 outer peripheral surface have smaller gradient so that drawstring convex block 52 it is back to squeeze cross limit via hole 530 during, institute The frictional force between limit 530 peritreme of via hole being subject to is smaller, and then can more successfully be restored.

Referring to Figures 1 and 2, in the present embodiment, further, pedestal 4 is equipped with several deflecting rollers 6, and drawstring 51 is successively It is connect through several deflecting rollers 6 with the first elastic component 54.It is appreciated that the extending direction of drawstring 51 can be changed in deflecting roller 6, So as to be convenient for the setting of the first elastic component 54, particularly, prolonging for the part on drawstring 51 far from the first elastic component 54 may make Direction is stretched, it can be different from the extending direction of the first elastic component 54.In the present embodiment, substantially with the part drawstring 51 of door hinge chain link It vertically extends, there are two deflecting roller 6 is set, so that the first elastic component 54 can be horizontally extending.Specifically, this reality It applies in example, which is divided into the opposite sides of limit plate 53.

The utility model also proposes a kind of dish-washing machine, which includes household appliance housing unit, the household appliance shell The specific structure of body component is referring to above-described embodiment, since this dish-washing machine uses whole technical sides of above-mentioned all embodiments Case, therefore at least all beneficial effects brought by the technical solution with above-described embodiment, this is no longer going to repeat them.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of household appliance housing unit characterized by comprising

Shell ontology；

Door body is installed in rotation on the shell ontology, and have the shell ontology is opened relatively the first open position and Second open position, the aperture of second open position are greater than the aperture of first open position, the rotation of the door body Connecting side is connected with driving plate；

Door lock, the door body to be locked on the shell ontology；

Door opener, to push the driving plate after the door-lock-release is to the locking of the door body, so that the door Body rotating opening；And

Resistance device, including the first elastic component, drawstring, drawstring convex block and with limit via hole limit plate, the one of the drawstring End connects the driving plate, and the other end connects first elastic component, and the drawstring is arranged in the limit via hole, the drawing Rope convex block is fixed on the drawstring；

The driving plate is pushed so that after door body opening in the door opener, and the relatively described shell ontology of the door body turns It is dynamic to open, until the drawstring convex block is limited in the limit via hole peritreme, and the door body is made to be limited in described first dozen Open position；And squeeze through the limit via hole when the drawstring convex block, until the pulling force of first elastic component make the door body by When dynamic balance, the door body is limited in second open position.

2. household appliance housing unit as described in claim 1, which is characterized in that the door opener includes fixing seat, pushes away Bar and the second elastic component, the push rod extend towards the driving plate, and are movably disposed in the fixing seat, and described second One end of elastic component is connect with the fixing seat, and the other end is connect with the push rod, so that the push rod has towards the drive The mobile trend of movable plate.

3. household appliance housing unit as claimed in claim 2, which is characterized in that the fixing seat is equipped with upwardly opening cunning Dynamic chamber, the push rod sliding are set to the sliding cavity, and second elastic component is set as compressed spring, and one end elasticity abuts institute The bottom of chamber of sliding cavity is stated, other end elasticity abuts the push rod.

4. household appliance housing unit as claimed in claim 3, which is characterized in that the side wall of the sliding cavity is equipped with along institute The guide groove that the extending direction of push rod extends is stated, the push rod is equipped with guide protrusions, and the guide protrusions are slideably positioned in institute State guide groove.

5. such as the described in any item household appliance housing units of Claims 1-4, which is characterized in that the household appliance shell Component further includes pedestal, and the shell ontology is mounted on the base, and the rotation connection side of the door body is under the door body Side, first elastic component and limit plate are set to the pedestal.

6. household appliance housing unit as claimed in claim 5, which is characterized in that the limit plate is in the limit via hole Multiple notches are arranged at intervals in peritreme.

7. household appliance housing unit as claimed in claim 5, which is characterized in that the limit plate has the first opposite plate Face and the second plate face, on the extending direction of the drawstring, first plate face is compared to second plate face close to the drive Movable plate setting；

First plate face is equipped with the first guiding surface at the edge of the limit via hole；

Second plate face is equipped with the second guiding surface at the edge of the limit via hole.

8. household appliance housing unit as claimed in claim 7, which is characterized in that the drawstring convex block includes coaxially connected First convex block section and the second convex block section, on the extending direction of the drawstring, the first convex block section is convex compared to described second Block is arranged close to the driving plate, and on the direction being away from each other, the first convex block section and the second convex block Duan Juncheng subtract Contracting setting.

9. household appliance housing unit as claimed in claim 5, which is characterized in that the pedestal is equipped with several deflecting rollers, The drawstring is successively connect through several deflecting rollers with first elastic component.

10. a kind of dish-washing machine, which is characterized in that including household appliance housing unit as described in any one of claim 1 to 9.