CN114320048A

CN114320048A - Household appliance

Info

Publication number: CN114320048A
Application number: CN202111531258.0A
Authority: CN
Inventors: 林益波; 朱灯光; 王栋; 叶芳达; 钟海
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-04-12
Anticipated expiration: 2041-12-14
Also published as: CN114320048B

Abstract

The invention relates to a household appliance, which comprises a box body; a door body; the connecting components are at least one group and comprise bases relatively fixed at the opening of the box body and connecting seats relatively fixed on the side wall of the door body; the connecting assembly also comprises a moving piece which is arranged on the connecting seat and is in running fit with the base through an installation shaft; the transmission gear is arranged on the movable piece through a rotating shaft and can rotate relative to the movable piece, and the length direction of the installation shaft is crossed with the length direction of the connecting base; the connecting seat is provided with a rack meshed with the transmission gear, the rack extends along the length direction of the connecting seat, the transmission gear drives the rack to move along the length direction of the rack towards the direction far away from the box body under the condition that the door body rotates relative to the box body and the opening of the box body is opened, and then the position of the door body adjacent to the rotating position is in the state of moving towards the direction far away from the box body. When the door is opened, the gap between the door body and the box body adjacent to the joint is increased, and a user can stretch into the gap to clean up dirt in the gap.

Description

Household appliance

Technical Field

The invention belongs to the field of household appliances, and particularly relates to a household appliance.

Background

In the existing household appliances, such as steam boxes, steam ovens, cleaning machines, etc., each comprises a box body with a functional inner cavity and a door body which is arranged at an opening of the box body and can open or close the opening.

Present cleaning machine, like chinese utility model patent "a the articulated mechanism and install cleaning machine of this hinge structure", its patent number is ZL201821875668.0 (the grant bulletin number is CN209637489U) discloses an articulated mechanism including fixing the hinge seat on the body and fixing the hinge on the door body, rotate through hinge pin axle between hinge and the hinge seat and be connected be provided with first slot on the hinge, hinge pin axle is installed in the first slot one side an organic whole of first slot is provided with the block portion that can bend, block portion is in first slot with hinge pin axle restriction after bending.

Above-mentioned hinge structure has realized the connection of a body and body (box), but in long-term use, can pile up a lot of dust and spot between a body and the body, because the clearance is less, hardly clears up, breeds the bacterium easily and influences healthyly.

Therefore, further improvements to existing household appliances are needed.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide a household appliance, which increases the gap between the door body and the box body when the door body is opened to achieve the purpose of convenient cleaning, in view of the current situation of the prior art.

The second technical problem to be solved by the invention is to provide a household appliance which can automatically clean the gap in the opening process of the door body.

The technical scheme adopted by the invention for solving the first technical problem is as follows: a household appliance comprising:

the box body is internally provided with a cavity, and the cavity is provided with an opening;

the door body is arranged at the opening of the box body and can rotate relative to the box body to open or close the opening;

the connecting assemblies are at least one group and are used for realizing the rotary connection of the box body and the door body, and each connecting assembly comprises a base relatively fixed at the opening of the box body and a connecting seat relatively fixed on the side wall of the door body and extending along the length direction of the side wall, and the connecting seats are arranged corresponding to the bases;

the method is characterized in that: the coupling assembling still includes:

the movable piece is arranged on the connecting seat and is in rotating fit with the base through an installation shaft;

the transmission gear is arranged on the movable piece through a rotating shaft and can rotate relative to the movable piece, the rotating shaft and the mounting shaft are arranged side by side at intervals, the mounting shaft is a rotating shaft of the door body, and the length direction of the mounting shaft is crossed with the length direction of the connecting seat;

the connecting seat is provided with a rack meshed with the transmission gear, the rack extends along the length direction of the connecting seat, the transmission gear drives the rack to move towards the direction far away from the box body along the length direction of the rack when the door body rotates relative to the box body and is in the state of opening the opening of the box body, and then the position, close to the rotating position, of the door body is in the state of moving towards the direction far away from the box body.

In order to reduce a gap between a door body and a box body when the door body is closed, the transmission gear drives the rack to move towards the direction close to the box body along the length direction of the rack when the door body rotates relative to the box body and is in a state of closing the opening, and then the position, close to the rotating position, of the door body is in a state of moving towards the direction close to the box body.

The rotation of the transmission gear can be realized in various manners, and can be driven actively by a motor, or the transmission gear can be driven to rotate during the rotation of the door body without being actively driven by the motor, but preferably, the base is provided with an extension rod extending towards the direction of the door body, the tail end of the extension rod is provided with a fixed gear arranged along the length direction of the extension rod, and the fixed gear is meshed with the transmission gear. Therefore, in the rotating process of the door body, the driving of the transmission gear is realized through the meshing of the fixed gear and the transmission gear.

Preferably, one end of the mounting shaft is fixed to the movable member, and a jack into which the other end of the mounting shaft is inserted is formed in a position of the fixed gear adjacent to the center. In addition, one end of the mounting shaft can be fixed on the fixed gear, and the moving part is provided with a jack for inserting the other end of the mounting shaft into the jack.

The opening can be arranged on the top of the box body, can also be arranged on the front side of the box body, and can also be arranged on one of the left side and the right side of the box body, but preferably, the top of the accommodating cavity is provided with the opening, the door body covers the box body, the connecting assembly is arranged on the position, adjacent to the rear part, of one of the left side and the right side of the door body, the mounting shaft extends along the left-right direction, and the connecting seat extends along the length direction of the left-right side edge of the door body.

In order to realize the accommodation of the moving part, a containing groove extending along the length direction of the moving part is formed in the connecting seat, the moving part is a sliding block partially located in the containing groove, a strip-shaped hole for the sliding block to partially penetrate out is formed in the side wall of the containing groove, which faces the transmission gear, the strip-shaped hole extends along the length direction of the containing groove, and the transmission gear is located outside the containing groove. Therefore, the movable piece is limited on the connecting seat in a sliding manner along the length direction of the connecting seat.

The rack may be partially located in the receiving groove or entirely located outside the connecting seat, but preferably, the rack is disposed on the bottom of the connecting seat and located outside the receiving groove. Furthermore, the rack may also be arranged on top of the connecting socket.

In order to provide a buffering effect for the door body when the door is closed and assist a user in opening the door when the door is opened, a damper is arranged in a space enclosed by the accommodating groove and the sliding block and is arranged along the length direction of the accommodating groove.

The damper can be in various structures, and can be in the form of a damping spring, and also can be in the form of a pneumatic supporting rod, but preferably, the damper is the damping spring.

In order to avoid the occupation of the connecting assembly on the inner cavity of the box body, the open periphery of the box body extends outwards in the lateral direction to form an extending wall, the periphery of the extending wall extends upwards to form a ring wall, the base is installed on the extending wall, the door body corresponds to the local part of the side wall of the connecting assembly and is provided with a cavity for the connecting seat to be located in, the door body is closed in the open state of the box body, and the door body is located on the inner periphery of the ring wall. In addition, the cabinet sinks (i.e., the extension wall sinks relative to the ring wall), preventing the door from interfering with the cabinet.

The technical scheme adopted by the invention for solving the second technical problem is as follows: the refrigerator door further comprises a connecting plate extending along the left and right direction, a scraping strip extending along the left and right direction is detachably mounted on the lower side of the connecting plate, the scraping strip is located in a gap between the refrigerator body and the door body and is in contact with the top surface of the refrigerator body, a sliding piece extending along the front and back direction and arranged to slide in the front and back direction of the refrigerator body is arranged on the connecting plate, the connecting plate further comprises a connecting rod, one end of the connecting rod is rotatably connected with the sliding piece, and the other end of the connecting rod is rotatably connected with the connecting seat.

Through the cooperation of above-mentioned slider and connecting rod, at the in-process that the door body was opened, the drive is scraped the strip and is moved towards the appearance intracavity of box to scrape the strip and clear up the dirty clearance in the clearance to the appearance chamber of box in, avoid the loaded down with trivial details nature that manual work clearance brought.

In order to realize the front-back sliding of the sliding part relative to the box body, a sliding groove extending along the front-back direction is formed in the sliding part, a fixed seat is arranged on the rear side of the box body, a containing cavity with a front opening is formed in the fixed seat and used for the sliding part to be located in, and a fixed column which is located in the sliding groove and is in sliding fit with the sliding groove is installed on the fixed seat.

In order to guide the sliding of the sliding part forwards and backwards, the sliding part is provided with a roller, the fixed seat is provided with a guide groove extending along the front and back direction, the guide groove is communicated with the accommodating cavity, and the roller is limited in the guide groove in a sliding manner. Therefore, the roller is always positioned in the guide groove and moves along the length direction of the guide groove, so that the sliding piece is guided to move forwards and backwards. In order to realize the reliability of door body rotation and make the clearance along the left and right sides between the door body and the box keep the same, coupling assembling has two sets ofly, and arranges along left and right sides direction interval, the left and right sides of connecting plate corresponds respectively has a set of slider, connecting rod and fixing base.

The household appliance may be a steam box, an oven or a dishwasher or the like, but preferably, the household appliance is a washing machine.

Compared with the prior art, the invention has the advantages that: in the household appliance, the movable part on the door body is in running fit with the base of the box body through the mounting shaft, so that the running fit of the door body and the box body is realized. Open the uncovered pivoted in-process of box at the door body, rotate through drive gear, rack on the connecting seat is along its length direction towards keeping away from the box motion, because the connecting seat is relatively fixed with the door body, has increased the clearance of the adjacent junction of the door body and box then, so, in the user can stretch into the clearance, the dirty clearance in the convenient clearance to the clearance, has reduced the clearance degree of difficulty.

Drawings

FIG. 1 is a longitudinal sectional view of the present embodiment in a closed door state;

FIG. 2 is a cross-sectional view of the present embodiment at another angle in a closed door state;

FIG. 3 is a longitudinal sectional view of the present embodiment in a closed door state;

FIG. 4 is a longitudinal cross-sectional view of the present embodiment at another angle with the door closed;

FIG. 5 is a schematic structural view of two sets of connecting assemblies and a connecting plate after installation;

FIG. 6 is a cross-sectional view of FIG. 5;

fig. 7 is a cross-sectional view at another angle of fig. 5.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 7, the household appliance of the present embodiment is a washing machine for washing kitchen utensils such as dishes or fruits and vegetables. The cleaning machine comprises a box body 1, a door body 2, a connecting assembly 01 and a connecting plate 7.

As shown in fig. 3 and 4, the interior of the case 1 has a cavity 10, and the top of the cavity 10 has an opening 101. The door body 2 covers an opening of the cabinet 1 and is arranged to be rotatable with respect to the cabinet 1 to open or close the opening. The periphery of the opening at the top of the box body 1 extends outwards in the lateral direction to form an extension wall 12, the periphery of the extension wall 12 extends upwards to form a ring wall 13, and the door body 2 is positioned on the inner periphery of the ring wall 13 in the state that the door body 2 closes the opening at the top of the box body 1. The connecting assemblies 01 are arranged in two groups at intervals along the left-right direction and are used for realizing the rotary connection of the box body 1 and the door body 2. The two sets of connection assemblies 01 have the same configuration, and the connection assembly 01 on the left side will be described below as an example. The connecting assembly 01 comprises a base 3, a connecting seat 4, a movable piece and a transmission gear 6. The base 3 is installed in the rear position department of extending wall 12, and the cavity 20 has been seted up on the left side wall of the door body 2 on the position that corresponds base 3, and connecting seat 4 is located and corresponds in the cavity 20, and with door body 2 fixed connection to extend along the length direction of the left side wall of the door body 2.

As shown in fig. 1, 4 and 5, the base 3 has an extending rod 31 extending upward, and the end of the extending rod 31 has a fixed gear 32 arranged along the length direction of the extending rod 31. The moving part is installed on connecting seat 4, and is slider 5, specifically, sets up the storage tank 40 that extends along its length direction in the connecting seat 4, and slider 5 part is located storage tank 40, and storage tank 40 offers the bar hole 401 that supplies slider 5 part to wear out towards on drive gear 6's the lateral wall, and bar hole 401 extends along the length direction of storage tank 40. The slider 5 has an attaching shaft 51 rotatably engaged with the base 3, and the attaching shaft 51 extends in the left-right direction so that the attaching shaft 51 is perpendicular to the longitudinal direction of the connecting base 4. But it is also possible to use a slightly off-vertical condition, i.e. the mounting shaft intersects the length direction of the coupling socket. The fixed gear 32 is provided with an insertion hole at a position adjacent to the center thereof, into which the mounting shaft 51 is inserted, so that the slider 5 rotates relative to the base 3 through the insertion and engagement of the mounting shaft 51 and the insertion hole, and the mounting shaft 51 is the rotating shaft of the door body 2. The transmission gear 6 is mounted on the slider 5 via a rotating shaft 52, and is arranged to rotate relative to the slider 5 and to mesh with the fixed gear 32. The shaft 52 is spaced apart from the mounting shaft 51 and is located in front of the mounting shaft 51.

As shown in fig. 1, 4 and 5, the coupling holder 4 is provided with a rack 41 engaged with the transmission gear 6, the rack 41 is disposed on the bottom of the coupling holder 4 and located outside the receiving groove 40, and extends along the length direction of the coupling holder 4, and the transmission gear 6 in this embodiment is located outside the receiving groove 40. Under the state that the door body 2 rotates upwards to open the opening 101 of the box body 1, the transmission gear 6 drives the rack 41 to move upwards along the length direction of the rack (namely, along the length direction of the left side wall of the door body), and then the position of the door body 2 adjacent to the rotating position is in the state of moving upwards, so that the gap between the rear side of the door body 2 and the extension wall 12 of the box body 1 is increased. Under the state that the door body 2 rotates towards the direction close to the box body 1 (downwards) to close the opening 101, the transmission gear 6 drives the rack 41 to move downwards along the length direction of the rack, and then the position of the door body 2 close to the rotating position is in the state of moving towards the direction close to the box body 1 (namely downwards), so that the gap between the rear side of the door body 2 and the extension wall 12 of the box body 1 is reduced.

In addition, in order to provide a buffering effect to the door body when the door is closed and assist a user in opening the door when the door is opened, as shown in fig. 7, a damper is disposed in a space enclosed by the accommodating groove 40 and the sliding block, and the damper is disposed along a length direction of the accommodating groove 40. The damper in this embodiment is a damping spring 06. So, under the state of closing the door, damping spring 06 is in compression state, and damping spring 06 is to a moment of torsion of upwards rotating of door body 2, leans on the power that the lock hook of the door body front side was withheld to the lock that is located the box the place ahead this moment and the door body dead weight offset this part moment of torsion, makes the door body be in the closed condition, and the sealing strip between door body and the box exerts a part sealing force simultaneously. In the door opening process, the damping spring 06 has an upward torque to the door body, so that the door opening of a user can be assisted, and the user can open the door with smaller force.

In order to clean the gap between the rear side of the door and the extending wall of the cabinet, as shown in fig. 2 to 6, the connecting plate 7 extends in the left-right direction, a scraping strip 71 extending in the left-right direction is detachably mounted on the lower side of the connecting plate 7, and the scraping strip 71 is positioned in the gap between the cabinet 1 and the door 2 and contacts with the top surface of the cabinet 1. The rear side of the box 1 is provided with two fixed seats 14 arranged at intervals along the left-right direction, the left side and the right side of the connecting plate 7 are both provided with sliding parts 72 extending along the front-back direction, the sliding parts 72 are limited on the corresponding fixed seats 14 in a sliding manner along the front-back direction, the connection mode of the left and the right groups of sliding parts and the corresponding fixed seats is the same, and one group is taken as an example for description. A sliding groove 721 extending in the front-rear direction is formed in the sliding member 72, the fixing base 14 is arranged on the rear side of the box body 1, the accommodating cavity 141 having a front-side opening for the sliding member 72 to be located therein is formed in the fixing base 14, a fixing column 142 located in the sliding groove 721 and in sliding fit with the sliding groove 721 is mounted on the fixing base 14, a roller (not shown) capable of rotating the fixing column 142 is mounted on the fixing column 142, and the roller is limited in the sliding groove 721 in a sliding manner. In order to guide the sliding of the sliding member forward and backward, a roller 722 capable of rotating relative to the sliding member 72 is installed on the rear side of the sliding member 72, a guide groove 143 extending along the forward and backward direction is opened on the fixed seat 14, the guide groove 143 is communicated with the accommodating cavity 141, and the roller 722 is slidably limited in the guide groove 143. Each group is correspondingly provided with a connecting rod 8, one end of the connecting rod 8 is rotatably connected with the sliding part 72, and the other end of the connecting rod 8 is rotatably connected with the connecting seat 4. In this way, during the door opening process, the scraping strip 71 of the connecting plate 7 moves forward to clean the dirt in the gap into the cavity 10.

The working process of the cleaning machine is as follows:

in the process of opening the door (the door body 2 rotates anticlockwise and upwards to open the opening), the transmission gear 6 also rotates anticlockwise under the action of the fixed gear 32, the transmission gear 6 drives the rack to move along the direction indicated by a hollow arrow in fig. 4 (namely, the rack moves upwards along the left side wall of the door body 2), because the door body 2 is fixedly connected with the connecting seat 4 with the rack 41, at the moment, the door body 2 moves along the direction of the hollow arrow, the gap between the door body 2 and the extension wall 12 of the box body 1 is increased, and simultaneously, the sliding piece 72 of the connecting plate 7 moves forwards under the driving of the connecting rod 8, and at the moment, the scraping strip 71 on the connecting plate 7 moves forwards to slowly push the dirt (such as accumulated water) in the gap forwards until the dirt is pushed into the accommodating cavity 10 of the box body 1;

in the process of closing the door (the door body 2 rotates clockwise upwards to close the opening), the transmission gear 6 also rotates clockwise under the action of the fixed gear 32, the transmission gear 6 drives the rack to move downwards along the left side wall of the door body 2, and at the moment, the door body 2 moves along with the rack 41 because the door body is fixedly connected with the connecting seat with the rack, so that the gap between the door body 2 and the extending wall 12 of the box body 1 is reduced, the sliding part 72 of the connecting plate 7 moves forwards under the driving of the connecting rod 8, and the scraping strip 71 on the connecting plate 7 moves backwards at the moment.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the invention, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims

1. A household appliance comprising:

the refrigerator comprises a box body (1), wherein a cavity (10) is formed in the box body (1), and the cavity (10) is provided with an opening (101);

the door body (2) is arranged at the opening (101) of the box body (1) and can rotate relative to the box body (1) to open or close the opening (101);

the connecting assemblies (01) are at least one group and are used for realizing the rotary connection of the box body (1) and the door body (2), and each connecting assembly comprises a base (3) relatively fixed at the opening (101) of the box body (1) and a connecting seat (4) relatively fixed on the side wall of the door body (2) and extending along the length direction of the side wall, and the connecting seats (4) are arranged corresponding to the bases (3);

the method is characterized in that: the connecting component (01) further comprises:

the movable piece is arranged on the connecting seat (4) and is in rotating fit with the base (3) through a mounting shaft (51), the mounting shaft (51) is a rotating shaft of the door body (2), and the length direction of the mounting shaft (51) is crossed with the length direction of the connecting seat (4);

the transmission gear (6) is installed on the movable piece through a rotating shaft (52) and can rotate relative to the movable piece, and the rotating shaft (52) and the installation shaft (51) are arranged side by side at intervals;

the refrigerator is characterized in that a rack (41) meshed with the transmission gear (6) is arranged on the connecting seat (4), the rack (41) extends along the length direction of the connecting seat (4), the transmission gear (6) drives the rack (41) to move towards the direction far away from the refrigerator body (1) along the length direction of the rack (41) under the condition that the door body (2) rotates relative to the refrigerator body (1) and is in the state of opening an opening (101) of the refrigerator body (1), and then the position, close to the rotating position, of the door body (2) is in the state of moving towards the direction far away from the refrigerator body (1).

2. The household appliance according to claim 1, wherein: when the door body (2) rotates relative to the box body (1) and is in a state of closing the opening (101), the transmission gear (6) drives the rack (41) to move towards the direction close to the box body (1) along the length direction of the rack, and then the position, close to the rotating position, of the door body (2) is in a state of moving towards the direction close to the box body (1).

3. The household appliance according to claim 1, wherein: the base (3) is provided with an extension rod (31) extending towards the door body (2), the tail end of the extension rod (31) is provided with a fixed gear (32) arranged along the length direction of the extension rod (31), and the fixed gear (32) is meshed with the transmission gear (6).

4. A household appliance as claimed in claim 3, characterized in that: one end of the mounting shaft (51) is fixed on the movable piece, and a jack for inserting the other end of the mounting shaft (51) is formed in the position, close to the center, of the fixed gear (32).

5. A household appliance as claimed in claim 3, characterized in that: the top that holds chamber (10) has uncovered (101), door body (2) cover on box (1), install in the position at the adjacent rear portion in one of them side of door body (2) left and right sides coupling assembling (01), installation axle (51) extend along left and right sides direction, connecting seat (4) along the length direction at door body (2) left and right sides border extends.

6. The household appliance according to claim 5, wherein: the improved automatic opening and closing device is characterized in that a containing groove (40) extending along the length direction of the connecting seat (4) is formed in the connecting seat, the moving part is located in the sliding block (5) in the containing groove (40) locally, the containing groove (40) faces the side wall of the transmission gear (6), a strip-shaped hole (401) for the sliding block (5) to penetrate out locally is formed in the side wall of the containing groove (40), the strip-shaped hole (401) extends along the length direction of the containing groove (40), and the transmission gear (6) is located outside the containing groove (40).

7. The household appliance according to claim 6, wherein: the rack (41) is arranged on the bottom of the connecting seat (4) and is positioned outside the accommodating groove (40).

8. The household appliance according to claim 6, wherein: and a damper is arranged in a space enclosed by the accommodating groove (40) and the sliding block, and the damper is arranged along the length direction of the accommodating groove (40).

9. The household appliance according to claim 8, wherein: the damper is a damping spring (06).

10. The household appliance according to claim 5, wherein: the periphery of the uncovered (101) of box (1) is formed with extension wall (12) along the outside extension of side direction, the periphery of extending wall (12) is formed with rampart (13) along upwards extending, install base (3) extend on wall (12), the door body (2) are corresponding the confession has been seted up to the part of the lateral wall of coupling assembling (01) connecting seat (4) are located cavity (20) wherein door body (2) are closed under the open state of box (1), door body (2) are located the inner periphery of rampart (13).

11. A household appliance as claimed in any one of claims 5 to 10, characterized in that: still including connecting plate (7) that extend along the left and right directions, the downside of connecting plate (7) can shirk to install along left and right directions extension scraping strip (71), scraping strip (71) are located in the clearance between box (1) and the door body (2) and with the top surface of box (1) contacts, have on connecting plate (7) and extend along the fore-and-aft direction and be arranged into relatively box (1) gliding slider (72) around, still including connecting rod (8), the one end of connecting rod (8) with slider (72) rotate to be connected, the other end of connecting rod (8) with connecting seat (4) rotate to be connected.

12. The household appliance according to claim 11, wherein: the box body is characterized in that a sliding groove (721) extending in the front-back direction is formed in the sliding part (72), a fixed seat (14) is arranged on the rear side of the box body (1), a containing cavity (141) with a front side opening is formed in the fixed seat (14) and used for the sliding part (72) to be located in, and a fixed column (142) which is located in the sliding groove (721) and is in sliding fit with the sliding groove (721) is installed on the fixed seat (14).

13. The household appliance according to claim 12, wherein: the sliding piece (72) is provided with a roller (722), the fixed seat (14) is provided with a guide groove (143) extending along the front-back direction, the guide groove (143) is communicated with the accommodating cavity (141), and the roller (722) is limited in the guide groove (143) in a sliding manner.

14. The household appliance according to claim 12, wherein: coupling assembling (01) have two sets ofly, and along left right direction interval arrangement, the left and right sides of connecting plate (7) corresponds respectively has a set of slider (72), connecting rod (8) and fixing base (14).

15. The household appliance according to claim 1, wherein: the household appliance is a cleaning machine.