CN109059078A - Range hood and cleaning system and joint assembly for range hood - Google Patents

Abstract

The invention discloses a kind of range hood and for the cleaning system and joint assembly of range hood, cleaning system includes: for providing the cleansing medium feeding assembly go out with media port of cleansing medium；Import is suitable for the internal washing branch being connected to media port out；Import is suitable for the exterior washings branch being connected to media port out, exterior washings branch road is equipped with dismountable exterior washings component, when external cleaning assembly is packed into, internal washing branch can disconnect and exterior washings branch can be connected and be cleaned with the outside to range hood, when external cleaning assembly removes, exterior washings branch can disconnect and internal washing branch can be connected and be cleaned with the inside to range hood, wherein, internal washing branch generating state under the triggering of at least one of the dismounting movement of external cleaning assembly and the pressure of internal washing branch switches.Cleaning system according to an embodiment of the present invention for range hood can clean the inside and outside of range hood.

Description

Range hood and cleaning system and joint assembly for range hood

The application is the applying date for " 2018-01-11, application No. is " 201810027740.2, the entitled " fume-exhausting of application The division of machine and cleaning system for range hood ".

Technical field

The present invention relates to range hood technical fields, more particularly, to a kind of range hood and for range hood Cleaning system and joint assembly for range hood.

Background technique

In use, greasy dirt adsorbs smoke machine in runner and the external of smoke machine, and the windage of smoke machine improves, and will affect smoke machine Performance, and greasy dirt directly affects experience and cooking status that user uses product during the cooking process outside smoke machine.

In the related art, smoke machine only has the function of internal washing, can be using thermalization oil, steam, hot water and cold water etc. Mode cleans smoke machine inside, and cannot be cleaned to the outside of smoke machine, such as outer surface, the hearth position of smoke machine. The exterior washings of smoke machine are mainly cleaned using steam cleaner etc. that is artificial or in addition buying, and artificial cleaning can not be thorough Decontamination, and it is cumbersome laborious, and in addition buy steam cleaner and then cause economic waste.

Summary of the invention

The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of use In the joint assembly of range hood, the detachable installation of exterior washings component is may be implemented in the joint assembly, and branch connects The outlet on head can be closed when external cleaning assembly removes, and prevent the cleansing medium of exterior washings branch road from leaking.

It is described for inhaling the invention also provides a kind of cleaning system for range hood with above-mentioned joint assembly The cleaning system of kitchen ventilator can clean the inside and outside of range hood.

The invention also provides a kind of range hoods with above-mentioned cleaning system.

Cleaning system according to an embodiment of the present invention for range hood, comprising: for providing the cleaning of cleansing medium Medium feeding assembly, the cleansing medium feeding assembly have media port；Internal washing branch, the internal washing branch Import is suitable for being connected to the media port out；Exterior washings branch, the import of the exterior washings branch are suitable for going out to be situated between with described The connection of matter mouth, the exterior washings branch road are equipped with dismountable exterior washings component, wherein fill in the exterior washings component Fashionable, the internal washing branch can disconnect and the exterior washings branch can be connected to carry out to the external of the range hood Cleaning, when the exterior washings component removes, the exterior washings branch can be disconnected and the internal washing branch can be connected It is cleaned with the inside to the range hood, wherein dismounting of the internal washing branch in the exterior washings component Generating state switches under the triggering of at least one of the pressure of movement and the internal washing branch.

Cleaning system according to an embodiment of the present invention for range hood can to range hood it is inside and outside into Row cleaning, using more economical laborsaving, appearance is more neat and artistic, and operates simpler convenience, can satisfy more Use demand.

In addition, the cleaning system according to the above embodiment of the present invention for range hood can also have it is following additional Technical characteristic:

Cleaning system according to an embodiment of the present invention for range hood, the exterior washings branch are clear in the outside It washes when component is packed into and is connected and is disconnected immediately when the exterior washings component removes immediately, the internal washing branch is described Exterior washings component disconnects immediately when being packed into or postpones to disconnect and be connected or be delayed immediately when the exterior washings component removes Conducting.

According to some embodiments of the present invention, the internal washing branch road is equipped with pressure valve, and the pressure valve is described When the pressure of internal washing branch reaches the first predetermined pressure open with the internal washing branch is connected and in the inside it is clear It closes when washing the pressure of branch lower than the first predetermined pressure to disconnect the internal washing branch.

Further, the exterior washings branch has branch connector portions, and the exterior washings component includes: clear for going out Wash the outer cleaning part of medium；External contact part, the external contact part be connected with the outer cleaning part and removably with the branch Connector portions be connected, when the external contact part is connected with the branch connector portions, the outlet of the branch connector portions with it is described external The inlet communication on head, the external contact part and the branch junction portion from when, the outlet of the branch connector portions is closed.

In some embodiments of the invention, the internal washing branch, the exterior washings branch and the cleaning are situated between Matter feeding assembly is connected to two-by-two by the control valve realization of two-bit triplet, and the control valve is when the exterior washings component is packed into It is on the outer conducting position of the exterior washings branch and is on the inside when the exterior washings component removes Clean the interior conducting position of branch.

Further, the exterior washings branch road is equipped with microswitch, and the microswitch is in the exterior washings group Part be packed into when be triggered with control the control valve be in outer conducting position and be triggered when the exterior washings component removes with It controls the control valve and is in interior conducting position.

Further, the exterior washings branch has branch connector portions, and the microswitch is located at the branch pipeline connector In portion, the exterior washings component includes: the outer cleaning part for going out cleansing medium；External contact part, the external contact part and institute It states outer cleaning part to be connected and be removably connected with the branch connector portions, the external contact part is connected with the branch connector portions When, the external contact part stop the outlets of the contact for supporting the microswitch and the branch connector portions and the external contact part into Mouthful connection, the external contact part and the branch junction portion from when, the external contact part discharges the contact of the microswitch And the outlet of the branch connector portions is closed.

According to some embodiments of the present invention, the exit of the branch connector portions is equipped with core assembly, described external When head is connected with the branch connector portions, the core assembly be moved under only the supporting of the external contact part opening it is described go out Mouthful open position and the external contact part and the branch junction portion from when not stop by the external contact part to reset To the closed position for closing the outlet.

Further, the core assembly includes: spool, and one end of the spool is suitable for only supporting with the external contact part, The other end of the spool is equipped with the mouth-sealed portion for closing the outlet, and the spool is equipped with and is in the core assembly The fluid channel of the outlet and the import is connected to when open position；First elastic component, the spool are suitable for described first Only supporting down for elastic component is reset to the closed position.

Further, first elastic component is helical spring of the housing on the spool, and the mouth-sealed portion is to be arranged Sealing ring on the spool.

According to some embodiments of the present invention, the branch connector portions are equipped with card slot, and the external contact part includes: connector Pipe, the import of the junction block are suitable for the outlet with the external contact part；Hook, the hook are connected with the junction block And it is connected in the card slot.

According to some embodiments of the present invention, the branch connector portions are equipped with card slot, and the contact of the microswitch is stretched Enter the card slot, the external contact part includes: junction block, and the import of the junction block is suitable for the outlet with the external contact part and connects It is logical；Hook, the hook are connected with the junction block, the hook be suitable for being connected in the card slot and only support the contact with Trigger the microswitch.

Further, the hook includes: hook head, and the hook head is suitable for being connected in the card slot and is suitable for only supporting The contact；Hook arm, the hook arm depressed position and bounce between position relative to the junction block can be rotated, it is described Hook head is located at the free end of the hook arm, and the hook head is suitable for when the hook arm is in depressed position to the card It installs in slot and is connected in the card slot when the hook arm is in and bounces position, the free end of the hook arm and pivot Press section is formed between end.

In some embodiments of the invention, the external contact part further include: the second elastic component, second elastic component stop It is against between the press section and the junction block to push the press section to reset.

Further, second elastic component is helical spring, and the press section is equipped with installation protrusion, the junction block Lateral surface be equipped with only arrival slot, described in one end of the helical spring is set in that installation protrusion is upper and the other end is only against Only in arrival slot.

According to some embodiments of the present invention, the external contact part further include: shell, the junction block protrude into the shell Interior, the shell is equipped with the handle hole for exposing the press section, and the two sides of the junction block are equipped with limiting slot, described The two side walls of shell are equipped with the retention bead being plugged in the limiting slot, and the hook includes multiple, multiple cards It hooks along the circumferentially distributed of the junction block, the hub switch side of each press section passes through the cooperation of axis hole and shaft with the shell Realize connection.

Further, the external contact part includes: inner sleeve, and the separate institute of the shell is protruded into one end of the inner sleeve One end of branch connector portions is stated, the outer peripheral surface of the inner sleeve is equipped with external annular groove, and the internal perisporium of the shell is equipped with Suitable for the annular protrusion being plugged in the external annular groove；Outer tube, the outer tube housing is outside the inner sleeve, institute The one end for stating outer tube is equipped with outer bending edge, and the end of the shell is equipped with in-flanges, and the outer bending edge backstop is described interior Between flange and annular protrusion, the outer cleaning part is adapted to extend into the inner sleeve and is connected with the junction block.

In some embodiments of the invention, for the cleaning system of range hood further include: pressure switch component, it is described Pressure switch component is connected with the control valve, and the pressure switch component is detecting the control valve and the media port out Between pressure control the control valve when reaching the second predetermined pressure and be in the interior conducting position.

The cleaning system for range hood according to some embodiments of the present invention further include: pressure release branch, it is described to let out One end of branch is pressed to be connected to the media port out, the other end of the pressure release branch is connected to the control valve and the inside Cleaning branch is used between the interior cleaning part of cleansing medium；First relief valve, first relief valve are located at the pressure release Branch road, first relief valve be in normally off and reach the in the pressure between media port and the control valve out It opens when three predetermined pressures the pressure release branch is connected.

According to some embodiments of the present invention, the cleansing medium feeding assembly includes: device for storing liquid；Steam generator, The steam generator is connected to receive the liquid of the device for storing liquid with the device for storing liquid, is equipped in the steam generator For liquid to be thermally formed to the heating member of steam, the steam port that goes out of the steam generator is the media port out；Driving dress It sets, the driving device is located at the liquid driven in the device for storing liquid between the device for storing liquid and the steam generator It flows into the steam generator.

Further, the cleansing medium feeding assembly further include: the second relief valve, second relief valve are located at described Between steam generator and the device for storing liquid, second relief valve is in normally off and in the cleansing medium supply group It is opened when the pressure of part reaches four predetermined pressures to discharge the pressure of the cleansing medium feeding assembly.

Range hood according to an embodiment of the present invention includes the cleaning system according to an embodiment of the present invention for range hood System.

Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.

Detailed description of the invention

Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:

Fig. 1 is the structural schematic diagram of cleaning system according to an embodiment of the invention；

Fig. 2 is the structural schematic diagram of cleaning system in accordance with another embodiment of the present invention；

Fig. 3 is the structural schematic diagram of the cleaning system of another embodiment according to the present invention；

Fig. 4 is that the external contact part of cleaning system according to an embodiment of the invention and the connection structure of branch connector portions are shown It is intended to；

Fig. 5 is that Fig. 4 centre circle shows enlarged structure schematic diagram at C；

Fig. 6 is the branch connector portions of cleaning system according to an embodiment of the present invention and the connection structure signal of core assembly Figure；

Fig. 7 is the structural schematic diagram of the external contact part of cleaning system according to an embodiment of the present invention；

Fig. 8 is the shell of cleaning system according to an embodiment of the present invention and the attachment structure schematic diagram of junction block；

Fig. 9 is the structural schematic diagram of the control valve of cleaning system according to an embodiment of the present invention；

Figure 10 is the external contact part of cleaning system in accordance with another embodiment of the present invention and the connection knot of branch connector portions Structure schematic diagram.

Appended drawing reference:

Cleaning system 100；

Cleansing medium feeding assembly 10；Media port 101 out；Device for storing liquid 11；Steam generator 12；Driving device 13；The Two relief valves 14；

Internal washing branch 20；Pressure valve 21；Interior cleaning part 22；Internal part 23 to be cleaned；Collection device 24；

Exterior washings branch 30；

Exterior washings component 31；Outer cleaning part 311；External contact part 312；Junction block 313；Only arrival slot 3131；Limiting slot 3132；Hook 314；Hook head 3141；Hook arm 3142；Press section 3143；Installation protrusion 3144；Shaft 3145；Second elasticity Part 315；Shell 316；Handle hole 3161；Retention bead 3162；Axis hole 3163；Annular protrusion 3164；In-flanges 3165；Inner sleeve Pipe 317；External annular groove 3171；Outer tube 318；Outer bending edge 3181；Threaded fastener 319；

Branch connector portions 32；Card slot 321；Branch extension tube attached 322；Branch inner connecting tube 323；Sealing ring 324；

Microswitch 33；Contact 331；

Core assembly 34；Spool 341；First elastic component 342；Mouth-sealed portion 343；

Control valve 40；

Pressure switch component 50；

Pressure release branch 60；First relief valve 61.

Specific embodiment

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention, ability The those of ordinary skill in domain can carry out a variety of changes to these embodiments without departing from the principle and spirit of the present invention Change, modification, replacement and variant, the scope of the present invention is defined by the claims and their equivalents.

In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "inner", The orientation or positional relationship of the instructions such as "outside", " axial direction ", " radial direction ", " circumferential direction " is that orientation based on the figure or position are closed System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, define " the One ", the feature of " second " can explicitly or implicitly include one or more of the features.In the description of the present invention, Unless otherwise indicated, the meaning of " plurality " is two or more.

The cleaning system 100 according to an embodiment of the present invention for range hood is described below with reference to Fig. 1-Figure 10.

Referring to Fig.1 shown in-Figure 10, the cleaning system 100 according to an embodiment of the present invention for range hood may include: Cleansing medium feeding assembly 10, internal washing branch 20 and exterior washings branch 30.

Specifically, cleansing medium feeding assembly 10 can provide cleansing medium, and cleansing medium feeding assembly 10 has There is the media port 101 out that can export cleansing medium.The import of internal washing branch 20 and the import of exterior washings branch 30 are equal It can be connected to media port 101 out.

It is different from as a result, in the related technology, smoke machine only has the function of internal washing, cleaning system according to an embodiment of the present invention System 100 can be formed as extensional mode cleaning system, and the cleansing medium that cleansing medium feeding assembly 10 provides can both pass through inside Cleaning branch 20 cleans the inside of range hood, reduces the windage of range hood, improves the performance of range hood, and can To be cleaned by outside of the exterior washings branch 30 to range hood, achievees the effect that stain removal bactericidal, guarantee the whole of kitchen It is clean, improve the culinary art experience of user.Cleaning system 100 can be to inside and outside greasy dirt, the dust for being adsorbed on range hood Equal fouls are thoroughly cleaned, and user is used for the cleaning equipment or Manual-cleaning of exterior clean without in addition purchase, can The cleansing medium of generation is exported to outside with the cleansing medium feeding assembly 10 using the inside of range hood to clean, is kept away Exempt from economic waste, it is also more laborsaving.

Here, " inside " can be understood as the position clean in the casing of range hood, for example, it may be Impeller, spiral case, runner of range hood etc.；" outside " can be understood as the portion clean outside the casing of range hood Position, for example, it may be the outer surface of the casing of range hood or hearth etc..

In addition, in the present invention, exterior washings component 31, and exterior washings group can be equipped on exterior washings branch 30 Part 31 can be dismantled.When external cleaning assembly 31 is packed into, internal washing branch 20 can be disconnected, and exterior washings branch 30 can be with Conducting, at this point it is possible to which the outside to range hood is cleaned.When external cleaning assembly 31 removes, exterior washings branch 30 It can disconnect, internal washing branch 20 can be connected, at this point it is possible to which the inside to range hood is cleaned.That is, When needing to clean the outside of range hood, exterior washings component 31 can be packed into, not needed to the outer of range hood When portion is cleaned, exterior washings component 31 can be removed into other storage, can reduce the occupied space of range hood, oil suction The appearance of smoke machine is more neat and artistic, avoids the normal use for interfering range hood, is also possible to prevent the damage of exterior washings component 31 It is bad.

It should be noted that the state switching of conducting and the disconnection of internal washing branch 20 can be real in several ways It is existing.

For example, in some embodiments of the invention, internal washing branch 20 can be in the dismounting of external cleaning assembly 31 Realization state switches under the triggering of movement, when exterior washings component 31 is packed into, can trigger internal washing branch 20 and switch to Off-state can trigger the switching-on state of internal washing branch 20 when exterior washings component 31 removes.

For another example internal washing branch 20 can be real according to the height of pressure value in other embodiments of the invention Present condition switching, when the pressure of internal washing branch 20 reaches predetermined value, internal washing branch 20 can be connected, otherwise internal clear Wash the disconnection of branch 20.

Certainly, internal washing branch 20 can also dismounting movement in external cleaning assembly 31 and internal washing branch 20 Generating state switches under the mating reaction of pressure, and in other words, internal washing branch 20 can be in the dismounting of external cleaning assembly 31 Generating state switches under the triggering of at least one of the pressure of movement and internal washing branch 20.

Cleaning system 100 according to an embodiment of the present invention for range hood has internal washing system 20 and outside clear System 30 is washed, the inside and outside of range hood can be cleaned, more economical laborsaving, the more clean and tidy beauty of appearance is used It sees, and the state switching of internal washing system 20 can be accomplished in several ways, and operated simpler convenience, be can satisfy More use demands.

In the embodiment that the dismounting movement of external cleaning assembly 31 can trigger the switching of 20 state of internal washing branch, such as Shown in Fig. 1 and Fig. 3, when external cleaning assembly 31 is packed into, exterior washings branch 30 can be connected immediately, in external cleaning assembly 31 when removing, and exterior washings branch 30 can disconnect immediately, the conducting of exterior washings branch 30 and to disconnect control sensitive, and can be with Cleansing medium leakage and the generation of injury accident occur when exterior washings component 31 being effectively prevent to remove, it is safer.

And in the dismounting of external cleaning assembly 31, the state switching of internal washing branch 20 can occur immediately, can also be with Delay occurs.For example, the state switching of internal washing branch 20 is only by external clear in specific embodiment as shown in Figure 1 The dismounting action triggers for washing component 31, when external cleaning assembly 31 is packed into, internal washing branch 20 can disconnect immediately, outside When portion's cleaning assembly 31 removes, internal washing branch 20 can be connected immediately.

For another example in an embodiment as illustrated in figure 3, the dismounting movement of exterior washings component 31 and internal washing branch 20 Pressure cooperation effect triggering internal washing branch 20 state switching.When exterior washings component 31 dismounts, internal washing branch 20 pressure can gradually change delayed switching to realize the state of internal washing branch 20 or internal washing branch 20 Pressure can realize the switching immediately of internal washing branch 20 with instantaneous variation.

In addition, as shown in Fig. 2, the reality of the state switching in the pressure control internal washing branch 20 of internal washing branch 20 It applies in example, pressure valve 21 can be equipped on internal washing branch 20.Reach the first pre- level pressure in the pressure of internal washing branch 20 When power, internal washing branch 20 can be connected in the opening of pressure valve 21, be lower than the first pre- level pressure in the pressure of internal washing branch 20 When power, pressure valve 21, which is closed, to clean branch 20 with breaking inner.The conducting of internal washing branch 20 and the switching of off-state It is sensitiveer.

Further, pressure valve 21 can be check valve, and structure is simpler, be easily installed, and cleaning can be prevented to be situated between Matter reflux, more securely and reliably.

Further embodiment according to the present invention, as shown in Fig. 1, Fig. 4-Fig. 8, exterior washings branch 30 can have branch Connector portions 32, exterior washings component 31 may include: outer cleaning part 311 and external contact part 312.

Wherein, outer cleaning part 311 can be used for cleansing medium out, and user can control outer cleaning part 311 to range hood Outside cleaned, it is easy to operate.In some examples of the invention, outer cleaning part 311 can be spray gun or spray Head etc., and outer cleaning part 311 can have switch block, and when switch block is opened, outer cleaning part 311 is connected, and can be sprayed Cleansing medium, when switch block is closed, outer cleaning part 311 is closed.User can more easily control outer clear in use The on-off for washing portion 311, without frequently dismounting exterior washings component 31 or regulating and controlling the pressure of internal washing branch 20 to control The on off operating mode of exterior washings branch 30, practicability are stronger.

In addition, external contact part 312 is connected with outer cleaning part 311, and external contact part 312 as shown in Fig. 1, Fig. 4 and Fig. 6 It can be detachably connected with branch connector portions 32.When external contact part 312 is connected with branch connector portions 32, as shown in figure 4, branch The outlet in pipeline connector portion 32 can be connected to the import of external contact part 312, and cleansing medium can be by the outlet of branch connector portions 32 Enter outer cleaning part 311 into the import of external contact part 312, and then by external contact part 312.External contact part 312 connects with branch When head 32 separates, as shown in fig. 6, the outlet of branch connector portions 32 is closed, cleansing medium can not going out by branch connector portions 32 Mouth outflow.

In some embodiments of the invention, as shown in Fig. 1, Fig. 3 and Fig. 9, internal washing branch 20, exterior washings branch 30 can be connected to two-by-two with cleansing medium feeding assembly 10 by the realization of the control valve 40 of two-bit triplet.Specifically, control valve 40 It may include three channels, wherein channel P can be connected to the sealing of media port 101 that goes out of cleansing medium feeding assembly 10, channel A It can seal and be connected to internal washing branch 20, channel B can be sealed with exterior washings branch 30 and is connected to.And control valve 40 can To include interior conducting position and outer conducting position, when external cleaning assembly 31 is packed into, control valve 40 may be at outer conducting position, this When, channel P is connected with channel B, and exterior washings branch 30 is connected, and cleansing medium feeding assembly 10 and exterior washings branch 30 connect It is logical；When external cleaning assembly 31 removes, control valve 40 may be at interior conducting position, at this point, channel P is connected with channel A, make interior Portion cleans branch 20 and is connected, and cleansing medium feeding assembly 10 is connected to internal washing branch 20.

Further, as shown in Figure 4-Figure 6, microswitch 33 can be equipped on exterior washings branch 30, in exterior washings When component 31 is packed into, microswitch 33 can be triggered to control control valve 40 and be in outer conducting position, and in exterior washings group When part 31 removes, microswitch 33 can be triggered to control control valve 40 and be in interior conducting position.Pass through exterior washings group as a result, The dismounting of part 31 can trigger the state switching of internal washing branch 20, cleansing medium feeding assembly 10 and internal washing branch 20 The conversion that connection or cleansing medium feeding assembly 10 are connected to exterior washings branch 30 need to only be torn open by exterior washings component 31 The single stepping of dress can be realized, and operate simpler convenience.

With continued reference to shown in Fig. 4-Fig. 6, in the implementation with branch connector portions 32, outer cleaning part 311 and external contact part 312 In example, microswitch 33 can be located in branch connector portions 32.It is external when external contact part 312 is connected with branch connector portions 32 Head 312 can make control valve 40 be in outer conducting position, outside only to the contact 331 of microswitch 33 to trigger microswitch 33 When connector portions 312 are separated with branch connector portions 32, external contact part 312 can discharge the contact 331 of microswitch 33, micro- to trigger Dynamic switch 33 makes control valve 40 be located at interior conducting position, and the position setting of microswitch 33 is reasonable.

In addition, microswitch 33 can removably be connected with branch connector portions 32, that is to say, that needing microswitch In the embodiment of 33 control 20 on states of internal washing branch, as shown in figure 4, microswitch 33 can be packed into, do not needing Microswitch 33 controls in the embodiment of 20 on state of internal washing branch, as shown in Figure 10, can remove microswitch 33.

According to some embodiments of the present invention, as shown in fig. 4-5, the exit of branch connector portions 32 can be equipped with spool Component 34, and core assembly 34 can move between open and closed positions.External contact part 312 and branch connector portions In 32 connection procedure, external contact part 312 can only support core assembly 34, make core assembly 34 to opening branch connector portions 32 The open position of outlet is mobile, when external contact part 312 is connected with branch connector portions 32, as shown in Figure 4 and Figure 5, branch pipeline connector The outlet in portion 32 fully opens.When external contact part 312 is separated with branch connector portions 32, core assembly 34 is not by external contact part 312 stop is supported, and core assembly 34 can be reset to the closed position for closing the outlet of branch connector portions 32.

Further, as shown in Figure 4-Figure 6, core assembly 34 may include: spool 341 and the first elastic component 342.Spool 341 one end can only be supported with external contact part 312, and 34 component of spool is allow only to support lower movement in external contact part 312.Spool 341 other end can be equipped with mouth-sealed portion 343, be also provided with fluid channel on spool 341.Mouth-sealed portion 343 can be used for sealing Close the outlet of branch connector portions 32, fluid channel can when core assembly 34 is in an open position connected component pipeline connector portion 32 The import of outlet and external contact part 312.

In addition, the first elastic component 342 can be only butted between branch connector portions 32 and spool 341.As shown in figure 5, spool 341 are only instead moved to open position in external contact part 312 under, and the first elastic component 342 is in compressive state, fluid channel The outlet in connected component pipeline connector portion 32 and the import of external contact part 312.As shown in fig. 6, when external contact part 312 removes, spool 341 lose and only instead use, and the first elastic component 342 restores to the original state, and spool 341 can be lower automatic in only supporting for the first elastic component 342 It is reset to closed position, prevent cleansing medium from being leaked by the outlet of branch connector portions 32 and injury accident occurs, more safety can It leans on.

Further, in specific embodiment as shown in Figure 5, spool 341 can be formed generally as along cleansing medium The cylinder that flow direction extends, mouth-sealed portion 343 can be formed generally as prolonging along the plane of the flow direction perpendicular to cleansing medium At least part of the circle stretched, one end of the neighbouring external contact part 312 of spool 341 is formed with fluid channel.

In addition, at least part of one end of the neighbouring external contact part 312 of spool 341 is made of multiple plate bodys, multiple plates Axis extending radially outwardly along spool 341 of the body by spool 341, and the one of the axis of the separate spool 341 of multiple plate bodys The circumferentially spaced setting along spool 341 is held, limits fluid channel between two neighboring plate body.Thus, it is possible to guarantee in valve When core 341 and external contact part 312 only support, cleansing medium can enter external contact part by branch connector portions 32 by fluid channel 312.It should be noted that the structure of spool 341 shown in Fig. 5 is cross-sectional view, therefore by plate body stream is not shown in Figure 5 in hatching line Body channel design.

Still further, the first elastic component 342 can be helical spring of the housing on spool 341, structure it is simple and It can be recycled, non-aging deformation.Mouth-sealed portion 343 can be the sealing ring being set on spool 341, the sealing of sealing ring Effect is more preferable, when external contact part 342 removes, can effectively seal the outlet of branch connector portions 32, prevent cleansing medium from leaking, It is safer.

Further embodiment according to the present invention, as shown in Figure 5 and Figure 6, branch connector portions 32 may include that branch is external Pipe 322, branch inner connecting tube 323 and sealing ring 324, branch extension tube attached 322 and branch inner connecting tube 323 can be connected through a screw thread, And it can be sealed by sealing ring 324 between branch extension tube attached 322 and branch inner connecting tube 323, prevent cleansing medium from leaking.Valve The spool 341 of core assembly 34 can be threaded through in branch inner connecting tube 323, when core assembly 34 is located at closed position, core assembly 34 mouth-sealed portion 343 can be against one end of branch inner connecting tube 323 only to close the outlet of branch connector portions 32.It is assembled When, core assembly 34 and branch inner connecting tube 323 can be assembled first, it then again will be outside branch inner connecting tube 323 and branch Adapter tube 322 is assembled, and core assembly 34 is easier for installation, and structure design is more reasonable.

Further, sealing ring 324 can be silica gel ring, and sealing effect is more preferable, and more wear-resisting, easy to process.

In some embodiments of the invention, as shown in Figure 4-Figure 7, card slot 321 can be equipped in branch connector portions 32, outside Connector portions 312 may include: junction block 313 and hook 314, and the import of junction block 313 can connect with the outlet of external contact part 312 Logical, hook 314 can be connected with junction block 313, and hook 314 can be connected in card slot 321 to realize external contact part 312 With the clamping of branch connector portions 32, connection structure is simply secured.

In addition, as shown in figure 5, the contact 331 of microswitch 33 can be protruded into the embodiment with microswitch 33 Card slot 321, as a result, when hook 314 is connected in card slot 321, hook 314 can contradict point 331 only to trigger microswitch 33, realize that the triggering that microswitch 33 is realized by the dismounting of external contact part 312, structure design are more reasonable.

Further, as shown in fig. 7, hook 314 may include: hook head 3141 and hook arm 3142.Wherein, hook head 3141 can be connected in card slot 321, and in the embodiment with microswitch 33, and hook head 3141 can be opened with fine motion The contact 331 for closing 33 is only supported.One end of hook arm 3142 is free end, and the other end of hook arm 3142 is hub switch side, and from By could be formed with press section 3143 between end and hub switch side.Free end can be rotated relative to hub switch side, so that hook arm 3142 can rotate between position relative to junction block 313 in depressed position and bouncing, and hook head 3141 can be located at hook arm 3142 free end.

Thus, it is desirable to which can press press section 3143 makes hook arm when by 312 card access leg connector portions 32 of external contact part 3142 are moved to depressed position, at this point, hook head 3141 moves inward, i.e., move to the direction far from card slot 321, at this time hook First 3141 can install into card slot 321.After hook head 3141 be moved to position it is corresponding with card slot 321 after, stop by pressing Splenium 3143, hook head 3141 are displaced outwardly, i.e., mobile to the direction of insertion card slot 321, hook arm 3142, which is moved to, bounces position It sets, hook head 3141 is connected in card slot 321, and external contact part 312 is installed with branch connector portions 32.

Further, as shown in figs. 4 and 7, external contact part 312 can also include the second elastic component 315, the second elastic component 315 can only be against between press section 3143 and junction block 313.When hook arm 3142 is located at depressed position, the second elastic component 315 In compressive state, after stopping pressing press section 3143, the second elastic component 315 restores to the original state, while the second elastic component 315 can Only to support press section 3143 and press section 3143 is pushed to automatically reset, hook head 3141 is made to be caught in card slot 321.Pressing need to only be passed through Or stop pressing press section 3143 and the clamping of external contact part 312 Yu branch connector portions 32 can be completed, operating process is simple.

In some embodiments of the invention, the second elastic component 315 can be helical spring, and structure is simple and can recycle It uses, non-aging deformation.

In addition, protrusion 3144 is installed as shown in fig. 7, can be equipped on press section 3143, it can on the lateral surface of junction block 313 To be equipped with only arrival slot 3131.Installation protrusion 3144 is protruded by the inner surface of press section 3143 towards the direction of junction block 313, spiral One end of spring can be set in installation protrusion 3144, and the other end of helical spring can only be against only arrival slot 3131 Interior, installation protrusion 3144 cooperates with only arrival slot 3131 can limit helical spring relative to press section 3143 and junction block 313 Position prevents the position of helical spring from shifting and press section 3143 can not be pushed to reset.

According to some embodiments of the present invention, as shown in Figure 7 and Figure 8, external contact part 312 can also include shell 316, connect Head tube 313 can protrude into shell 316, and shell 316 can dock head tube 313 and be protected, and prevent junction block 313 from surprisingly damaging Bad, the appearance of external contact part 312 is also more neat and artistic.

In addition, can be equipped with handle hole 3161 on shell 316, press section 3143 can be exposed by handle hole 3161, be used Family can press press section 3143 by the outside of shell 316 or stop pressing, and operate more convenient.Junction block 313 Two sides can be equipped with limiting slot 3132, retention bead 3162, retention bead 3162 can be equipped in the two side walls of shell 316 It can be plugged in limiting slot 3132, be achieved in the connection of junction block 313 Yu shell 316.

It should be noted that the present invention does not make specifically limited, need to the shape of limiting slot 3132 and retention bead 3162 Meet limiting slot 3132 and retention bead 3162 to cooperate to realize requirement that junction block 313 is connect with shell 316.Example Such as, in some embodiments of the invention, limiting slot 3132 can be square hole slot, and retention bead 3162 can be rectangular The connection for realizing junction block 313 and shell 316 can be inserted in rectangular hole slot in protrusion, square protruding.

In the present invention, hook 314 may include multiple, multiple hooks 314 can along the circumferentially distributed of junction block 313, The hub switch side of each press section 3143 can have shaft 3145, can have on shell 316 corresponding with 3145 position of shaft Axis hole 3163, shaft 3145 can be plugged in the connection that hook 314 Yu junction block 313 are realized in axis hole 3163, and axis Bar 3145 rotates in axis hole 3163 rotates free end relative to hub switch side.

For example, hook 314 includes two, and two hooks 314 are respectively provided at and connect in specific embodiment as shown in Figure 7 The two sides of head tube 313, user can be operated by the press section 3143 of two sides, and operation is more convenient, and hook 314 is by two Side is clamped, it is ensured that clamping is secured.

Certainly, in the present invention, the quantity of hook 314 is not limited to two, and the quantity of hook 314 can be according to the actual situation Need flexible setting, it is only necessary to meet hook 314 and be connected in card slot 321 to realize external contact part 312 and branch connector portions 32 The requirement of connection.For example, in other embodiments of the invention, the quantity of hook 314 may be three, four or Person more.It should be noted that being the second elastic component 315, installation 3144 and of protrusion in multiple embodiments in hook 314 Only the quantity of arrival slot 3131 can be identical as hook 314 and be arranged correspondingly.

Further embodiment according to the present invention, as shown in fig. 7, external contact part 312 may include: inner sleeve 317 and outer Casing 318.

One end of inner sleeve 317 can protrude into one end of the separate branch connector portions 32 of shell 316, and outer cleaning part 311 can It is connect with protruding into inner sleeve 317 with external contact part 312, for example, outer cleaning part 311 can be with the separate branch of junction block 313 One end of connector portions 32 is connected.Inner sleeve 317 can be protected externally in cleaning part 311 and the junction of junction block 313 as a result, Shield prevents to loosen and lead to cleansing medium leakage or the generation of injury accident.

Outer tube 318 can be with housing outside inner sleeve 317, and inner sleeve 317 and outer tube 318 generally form shaft hole matching, On the one hand it externally can further protect in cleaning part 311 and the junction of junction block 313, on the other hand, outer tube 318 can be with shape As decorative tube, keep the appearance of external contact part 312 more beautiful.

In addition, the present invention to inner sleeve 317, outer tube 318 be connected and fixed structure do not do it is specifically limited, for example, such as In specific embodiment shown in Fig. 7, external annular groove 3171, the inner circumferential of shell 316 can be equipped on the outer peripheral surface of inner sleeve 317 Annular protrusion 3164 can be equipped on wall, annular protrusion 3164 can be plugged in external annular groove 3171, and annular is convex Playing 3164 can make inner sleeve 317 and the position of shell 316 relatively fixed with the cooperation of external annular groove 3171.

One end of outer tube 318 can be equipped with outer bending edge 3181, and the end of shell 316 can be equipped with in-flanges 3165, Outer bending edge 3181 can be with backstop between in-flanges 3165 and annular protrusion 3164, so that outer tube 318 and shell 316 Position is relatively fixed.The radial and axial position that inner sleeve 317 and outer tube 318 are respectively relative to shell 316 is fixed and is fixed It is simple and strong in structure, but inner sleeve 317 and outer tube 318 are respectively relative to the circumferential direction of shell 316 and can rotate freely, and use Journey is more convenient.

Further, shell 316 may include first shell and second shell, and first shell and second shell can be clamped It is connected or is connected and fixed by threaded fastener 319 and constitutes shell 316, junction block 313, hook 314, inner sleeve 317 and outer In the installation space that casing 318 can be limited between first shell and second shell.In assembling process, Ke Yixian Inner sleeve 317 and outer tube 318 are assembled, then pacify junction block 313, hook 314, inner sleeve 317 and outer tube 318 Loaded in first shell, second shell is connect with first shell finally and is passed through clamping structure or threaded fastener 319 into Row is fixed, and keeps the assembly of external contact part 312 simpler, easily operated.

In addition, it can be respectively equipped with locating slot and positioning protrusion on the face relative to each other of first shell and second shell, Then locating slot and positioning protrusion cooperation can pass through again clamping structure or screw thread with Primary Location first shell and second shell The structures such as fastener 319 are fixed, and keep assembling process simpler.

Cleaning system 100 according to some embodiments of the present invention can also include pressure switch component 50, such as Fig. 1 institute Show, pressure switch component 50 can be connected with control valve 40, and pressure switch component 50 can be to control valve 40 and media port 101 out Between pressure detected, when pressure switch component 50 detects that the pressure between control valve 40 and out media port 101 reaches When the second predetermined pressure, pressure switch component 50 can control control valve 40 and be in interior conducting position, i.e. control internal washing branch 20 conductings, exterior washings branch 30 disconnect.

As a result, when external cleaning assembly 31 is packed into, if exterior washings branch 30 is controlled or is sent out by other devices When cleansing medium is discharged can not by exterior washings branch 30 for a long time in raw blocking, pressure switch component 50 can make internal washing Branch 20 is connected, and to reduce the pressure in cleaning system 100, prevents the pressure in cleaning system 100 excessive and causes to injure thing Therefore generation.

In some embodiments of the invention, as shown in figure 3, cleaning system 100 can also include: pressure release branch 60 and One relief valve 61.Specifically, one end of pressure release branch 60 can be connected to media port 101 out, and the other end of pressure release branch 60 can Be connected to control valve 40 and internal washing branch 20 for going out between the interior cleaning part 22 of cleansing medium, here in cleaning part 22 can be the structures such as jet pipe or spray head.First relief valve 61 can be located on pressure release branch 60, and the first relief valve 61 can be with In normally off, and when the pressure out between media port 101 and control valve 40 reaches third predetermined pressure, the first pressure release Valve 61 can be opened so that pressure release branch 60 is connected.

As a result, when external cleaning assembly 31 is packed into, if exterior washings branch 30 is controlled or is sent out by other devices When cleansing medium is discharged can not by exterior washings branch 30 for a long time in raw blocking, the first pressure release of pressure release branch 60 can be passed through Valve 61, which controls, makes cleansing medium be discharged to make the pressure reduction in cleaning system 100 by interior cleaning part 22, prevents cleaning system Pressure in 100 is excessive and leads to the generation of injury accident.

Further, the first relief valve 61 can be check valve, and structure is simple, is easily installed, and can prevent from cleaning Medium back flow, more securely and reliably.

It should be noted that in the present invention, the pressure of the first predetermined pressure, the second predetermined pressure and third predetermined pressure Value can need flexible setting, the pressure of the first predetermined pressure, the second predetermined pressure and third predetermined pressure according to the actual situation Value can be the same or different, this is all within protection scope of the present invention.

According to some embodiments of the present invention, as shown in Figure 1-Figure 3, cleansing medium feeding assembly 10 may include: liquid storage Device 11, steam generator 12 and driving device 13.Wherein, steam generator 12 can be connected to device for storing liquid 11, driving dress Setting 13 can be located between device for storing liquid 11 and steam generator 12.Driving device 13 can drive the liquid in device for storing liquid 11 It flows into steam generator 12, and heating member can be equipped in steam generator 12, liquid can be thermally formed by heating member The steam port that goes out of steam, steam generator 12 is media port 101, and steam can be by going out the outflow of media port 101 using as cleaning Medium is either internally or externally cleaned to range hood.

In the present invention, device for storing liquid 11 can be cup, and driving device 13 can be water pump, can store in cup The liquid such as the clear water or detergent of room temperature, liquid can enter in steam generator 12 under the driving of water pump and be heated to be steam The cleansing medium of state is simultaneously flowed out by going out media port 101.

Further, with continued reference to shown in Fig. 1-Fig. 3, cleansing medium feeding assembly 10 can also include the second relief valve 14, the setting position of the second relief valve 14 do not do it is specifically limited, for example, the second relief valve 14 can be located at steam generator 12 with Between device for storing liquid 11, or it can be located between steam generator 12 and driving device 13.Second relief valve 14 is in normally closed State, and when the pressure of cleansing medium feeding assembly 10 reaches four predetermined pressures, the second relief valve 14 can open with The pressure for reducing cleansing medium feeding assembly 10, prevents the pressure of cleansing medium feeding assembly 10 excessive and leads to injury accident Occur.

It should be noted that the numerical value of the 4th predetermined pressure can need flexible setting according to the actual situation.For example, such as In example shown in Fig. 2 including pressure valve 21, the pressure value of the 4th predetermined pressure can be greater than the pressure of the first predetermined pressure Value, as a result, in trouble-proof situation, pressure valve 21 can be opened prior to the second relief valve 14 to reduce cleaning system Pressure in 100 avoids the waste of cleansing medium.

For another example the pressure value of 4th predetermined pressure can in the example including pressure switch component 50 as shown in Figure 1 To be equal to the pressure value of the second predetermined pressure, make a reservation for as a result, when the pressure between control valve 40 and out media port 101 reaches second When pressure, the second relief valve 14, which is opened, carries out pressure release, while pressure switch component 50 controls control valve 40 and is in interior conducting position.When So, the pressure value of the 4th predetermined pressure can also be greater than the pressure value of the second predetermined pressure, make in trouble-proof situation, Pressure switch component 50 is acted prior to the second relief valve 14, avoids the waste of cleansing medium.

In another example in the example for including pressure release branch 60 and the first relief valve 61 as shown in Figure 3, the 4th predetermined pressure Pressure value can be greater than third predetermined pressure pressure value, as a result, in trouble-proof situation, the first relief valve 61 can To open prior to the second relief valve 14 to reduce the pressure in cleaning system 100, the waste of cleansing medium is avoided.

In some embodiments of the invention, cleaning system 100 can also include collection device 24, and collection device 24 can be with It is set to the lower section of internal part 23 to be cleaned.When inside of the cleaning system 100 to range hood is cleaned, cleansing medium by Interior cleaning part 22 sprays, and a part enters atmosphere, and another part is sprayed onto the surface of internal part 23 to be cleaned and to internal to be cleaned The fouls such as the greasy dirt on 23 surface of part are cleaned, surface condensation of the cleansing medium in internal part 23 to be cleaned, foul under cleaning Collection device 24 is flowed into together with condensate liquid.

Optionally, in the present invention, collection device 24 can be lubricating cup, and for collecting condensate liquid, collection device 24 may be used also Think that separator-filter, separator-filter can separate the foul in condensate liquid, the clean cleansing medium isolated Condensate liquid can be again introduced into cleansing medium feeding assembly 10 to recycle, be conducive to economize on resources.

Below with reference to the accompanying drawings cleaning system 100 according to a particular embodiment of the invention is described in detail, is worth understanding, Only exemplary illustration described below, and should not be understood as the limitation to invention.

Embodiment one:

As shown in Fig. 1, Fig. 4-Fig. 9, cleaning system 100 include device for storing liquid 11, steam generator 12, driving device 13, Second relief valve 14, internal washing branch 20, interior cleaning part 22, collection device 24, exterior washings branch 30, outer cleaning part 311, External contact part 312, branch connector portions 32, microswitch 33, core assembly 34, control valve 40 and pressure switch component 50.

When exterior washings component 31 is not loaded into branch connector portions 32, control valve 40 is in interior conducting position, internal washing branch 20 conducting, exterior washings branch 30 close, driving device 13 drive device for storing liquid 11 liquid enter steam generator 12 and The cleansing medium of steam condition is formed under the heating of the heating member of steam generator 12, cleansing medium is flowed out by going out media port 101 And entering internal washing branch 20, cleansing medium then passes through interior cleaning part 22 and sprays, and can carry out to the inside of oil suction press Cleaning.Cleansing medium a part of ejection enters atmosphere, and a part is flowed into after the surface condensation of internal part 23 to be cleaned and collected Device 24, the fouls such as greasy dirt under cleaning enter collection device 24 with condensate liquid.

When needing to clean the outside of range hood, exterior washings component 31 and branch connector portions 32 are carried out first Assembly.Specifically, the press section 3143 of the external contact part 312 of Manual press exterior washings component 31 presses the second elastic component 315 Contracting, hook head 3141 is mobile to the direction far from card slot 321, and control external contact part 312 is inserted into branch connector portions 32, junction block 313 only support with spool 341, and elastic force is overcome to compress the first elastic component 342, and core assembly 34 is moved to open position, and fluid is logical The outlet of road conducting branches connector portions 32 and the import of external contact part 312, at this point, hook head 3141 is moved to and card slot 321 Position is corresponding.Stop pressing press section 3143, hook head 3141 is resetted and is caught under the elastic reaction of the second elastic component 315 In card slot 321, external contact part 312 and the clamping of branch connector portions 32 form check valve assembly, realize exterior washings component 31 and branch The connection in pipeline connector portion 32, exterior washings component 31 and branch connector portions 32 are connected.

Microswitch 33 is triggered in the contact 331 that microswitch 33 is only supported while hook head 3141 is caught in card slot 321, micro- Dynamic switch 33 controls control valve 40 and is powered in outer conducting position, and exterior washings branch 30 is connected, and internal washing branch 20 is closed, clearly It washes medium and successively passes through control valve 40, branch connector portions 32 and external contact part 312, into the outer cleaning part of exterior washings component 31 311, the switch block for pressing outer cleaning part 311 opens outer cleaning part 311, and cleansing medium can be sprayed by outer cleaning part 311, The outside of range hood is cleaned.

When outer 311 long-time of cleaning part is in off working state, the pressure of cleansing medium feeding assembly 10 and out Jie Pressure between matter mouth 101 and control valve 40 increases, and when pressure reaches the second predetermined pressure, the second relief valve 14 is let out Pressure, while pressure switch component 50 controls control valve 40 and is located at interior conducting position, internal washing branch 20 is connected, exterior washings branch 30 disconnect, and so that cleansing medium is entered 20 pairs of inside of internal washing branch part 23 to be cleaned and clean, to reduce cleaning system 100 Interior pressure.

When exterior washings component 31 removes, core assembly 34 resets under the elastic force effect of the second elastic component 315, seals Portion 343 is bonded with the end of branch inner connecting tube 323 again, and the outlet of branch connector portions 32 is automatically closed, and cleaning can be prevented to be situated between Matter leakage and the generation of injury accident.Hook head 3141 triggers microswitch 33, and microswitch 33 controls at 40 power-off of control valve In interior conducting position, internal washing branch 20 is connected, and exterior washings branch 30 is closed.

Embodiment two:

As shown in Fig. 2, Fig. 9 and Figure 10, cleaning system 100 includes device for storing liquid 11, steam generator 12, driving device 13, the second relief valve 14, internal washing branch 20, pressure valve 21, interior cleaning part 22, collection device 24, exterior washings branch 30, Outer cleaning part 311, external contact part 312, branch connector portions 32 and core assembly 34.

When exterior washings component 31 is not loaded into branch connector portions 32, internal washing branch 20 and exterior washings branch 30 are closed It closes, driving device 13 drives the liquid of device for storing liquid 11 to enter steam generator 12 and adding in the heating member of steam generator 12 The cleansing medium that steam condition is formed under heat increases the pressure in internal washing branch 20 and exterior washings branch 30, works as pressure When power reaches the first predetermined pressure, pressure valve 21 is opened, and internal washing branch 20 is connected, and exterior washings branch 30 is closed, cleaning Medium flows out into internal washing branch 20 by going out media port 101, and cleansing medium then passes through interior cleaning part 22 and sprays, can be with The inside of oil suction press is cleaned.Cleansing medium a part of ejection enters atmosphere, and a part is in internal part 23 to be cleaned Surface condensation after flow into collection device 24, the fouls such as greasy dirt under cleaning enter collection device 24 with condensate liquid.

When needing to clean the outside of range hood, exterior washings component 31 and branch connector portions 32 are carried out first Assembly, assembling process is identical as process described in embodiment 1, and this will not be detailed here.

After exterior washings component 31 is packed into branch connector portions 32, exterior washings branch 30 is connected, and opens outer cleaning part 311 Switch block, cleansing medium are sprayed by outer cleaning part 311 with the cleaning of the outside for range hood, make internal washing branch 20 Interior pressure decline, pressure value are close to zero lower than the second predetermined pressure, and pressure valve 21 is automatically closed, and internal washing branch 20 closes It closes.

When outer 311 long-time of cleaning part is in off working state or exterior washings component 31 removes, internal washing branch The pressure on road 20 can increase, and when being higher than the second predetermined pressure again, pressure valve 21 can be again turned on, and internal washing branch 20 is led Logical, cleansing medium is sprayed by interior cleaning part 22 to clean to internal part 23 to be cleaned.The 4th of second relief valve 14 is predetermined The threshold pressure of pressure is greater than the second predetermined pressure of pressure valve 21, therefore, in trouble-proof situation, the second relief valve 14 will not act.

Embodiment three:

As shown in Fig. 3, Fig. 4-Fig. 9, cleaning system 100 include device for storing liquid 11, steam generator 12, driving device 13, Second relief valve 14, internal washing branch 20, interior cleaning part 22, collection device 24, exterior washings branch 30, outer cleaning part 311, External contact part 312, branch connector portions 32, microswitch 33, core assembly 34, control valve 40, pressure release branch 60 and the first pressure release Valve 61.

When exterior washings component 31 is not loaded into branch connector portions 32, control valve 40 is in interior conducting position, internal washing branch 20 conductings, exterior washings branch 30 are closed, and pressure release branch 60 is closed.Driving device 13 drives the liquid of device for storing liquid 11 to enter steaming The cleansing medium of steam condition is formed under the heating of vapour generator 12 and the heating member in steam generator 12, cleansing medium is by going out Media port 101 flows out into internal washing branch 20, and cleansing medium then passes through interior cleaning part 22 and sprays, can be to oil suction pressure The inside of machine is cleaned.Cleansing medium a part of ejection enters atmosphere, and a part is cold on the surface of internal part 23 to be cleaned Collection device 24 is flowed into after solidifying, the fouls such as greasy dirt under cleaning enter collection device 24 with condensate liquid.

When needing to clean the outside of range hood, exterior washings component 31 and branch connector portions 32 are carried out first Assembly, assembling process is identical as process described in embodiment 1, and this will not be detailed here.

In exterior washings component 31 and 32 assembling process of branch connector portions, hook head 3141 stops while being caught in card slot 321 Microswitch 33 is triggered in contact 331 to microswitch 33, and microswitch 33 controls control valve 40 and is powered in outer conducting position, Exterior washings branch 30 is connected, and internal washing branch 20 is closed, and pressure release branch 60 is closed.Cleansing medium successively passes through control valve 40, branch connector portions 32 and external contact part 312 press outer cleaning part 311 into the outer cleaning part 311 of exterior washings component 31 Switch block open outer cleaning part 311, cleansing medium can be sprayed by outer cleaning part 311, to the outside of range hood into Row cleaning.

When outer 311 long-time of cleaning part is in off working state or exterior washings component 31 removes, pressure release branch 60 Pressure can increase, when pressure be higher than third predetermined pressure when, the first relief valve 61 open, pressure release branch 60 be connected, cleaning be situated between Matter is sprayed by pressure release branch 60 by interior cleaning part 22 to clean to internal part 23 to be cleaned.The 4th of second relief valve 14 The threshold pressure of predetermined pressure is greater than the third predetermined pressure of the first relief valve 61, therefore, in trouble-proof situation, the Two relief valves 14 will not act.

Range hood according to an embodiment of the present invention includes the cleaning system according to an embodiment of the present invention for range hood System 100.Since the cleaning system 100 according to an embodiment of the present invention for range hood has above-mentioned beneficial technical effect, Therefore range hood according to an embodiment of the present invention can clean the inside and outside of range hood, using more economical Laborsaving, appearance is more neat and artistic, and operates simpler convenience, can satisfy more use demands.

Other of range hood and cleaning system 100 according to an embodiment of the present invention are constituted and are operated for this field Be for those of ordinary skill it is known, be not described in detail herein.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.

In the description of this specification, the description of reference term " embodiment ", " specific embodiment ", " example " etc. means to tie It closes the embodiment or example particular features, structures, materials, or characteristics described and is contained at least one embodiment of the present invention Or in example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.And And particular features, structures, materials, or characteristics described can not done in any one or more of the embodiments or examples It relates to, can be combined with each other in an appropriate manner in reconcilable situation.

Claims (10)

1. a kind of joint assembly for range hood, which is characterized in that the range hood includes exterior washings branch and leads to Cross the exterior washings component that the joint assembly is detachably arranged in exterior washings branch road, the exterior washings component tool There is the outer cleaning part for going out cleansing medium, the joint assembly includes:

Branch connector portions, the branch connector portions are connected with the outlet end that branch is washed in the outer clear portion；

External contact part, the external contact part are connected with outer cleaning part and are removably connected with the branch connector portions, described outer When connector portions are connected with the branch connector portions, the outlet of the branch connector portions and the inlet communication of the external contact part, institute State external contact part and the branch junction portion from when, the outlet of the branch connector portions is closed.

2. the joint assembly according to claim 1 for range hood, which is characterized in that the branch connector portions go out Core assembly is equipped at mouthful, when the external contact part is connected with the branch connector portions, the core assembly is described external Only the supporting down of head be moved to the open position for opening the outlet and the external contact part and the branch junction portion from When do not stopped by the external contact part to being reset to the closed position for closing the outlet.

3. the joint assembly according to claim 2 for range hood, which is characterized in that the core assembly includes:

Spool, one end of the spool are suitable for only supporting with the external contact part, and the other end of the spool is equipped with for closing State the mouth-sealed portion of outlet, the spool be equipped be connected to when the core assembly is in an open position the outlet with it is described into The fluid channel of mouth；

First elastic component, the spool be suitable for first elastic component only support under be reset to the closed position.

4. the joint assembly according to claim 3 for range hood, which is characterized in that first elastic component is outer The helical spring on the spool is covered, the mouth-sealed portion is the sealing ring being set on the spool.

5. the joint assembly according to claim 3 for range hood, which is characterized in that the branch connector portions packet It includes:

Branch extension tube attached；

Branch inner connecting tube, the branch extension tube attached and the branch inner connecting tube are connected through a screw thread；

Sealing ring is sealed between the branch extension tube attached and the branch inner connecting tube by the sealing ring, and the spool is worn In the branch inner connecting tube, when the core assembly is located at closed position, the mouth-sealed portion is only against the branch inner connecting tube One end to close the outlets of the branch connector portions.

6. the joint assembly according to any one of claims 1-5 for range hood, which is characterized in that the branch Connector portions are equipped with card slot, and the external contact part includes:

Junction block, the import of the junction block are suitable for the outlet with the external contact part；

Hook, the hook are connected with the junction block and are connected in the card slot.

7. the joint assembly according to claim 6 for range hood, which is characterized in that the hook includes:

Hook head, the hook head are suitable for being connected in the card slot；

Hook arm, the hook arm depressed position and bounce between position relative to the junction block can be rotated, the hook Head is located at the free end of the hook arm, and the hook head is suitable for when the hook arm is in depressed position into the card slot Installation and be connected in the card slot when the hook arm is in and bounces position, the free end and hub switch side of the hook arm it Between be formed with press section.

8. the joint assembly according to claim 7 for range hood, which is characterized in that the external contact part also wraps It includes:

Second elastic component, second elastic component are only against between the press section and the junction block to push the press section It resets.

9. a kind of cleaning system for range hood, which is characterized in that including being used described in any one of -8 according to claim 1 In the joint assembly of range hood.

10. a kind of range hood, which is characterized in that including the cleaning system according to claim 9 for range hood.