CN216891647U - Door-in-cylinder exhaust structure of multi-cylinder washing machine and multi-cylinder washing machine - Google Patents

Abstract

The utility model provides a door-in-cylinder exhaust structure of a multi-cylinder washing machine, which comprises an air inlet nozzle, an exhaust pipe and an exhaust port; the air inlet nozzle is communicated with an inner cylinder cavity of a door middle cylinder assembly of the washing machine; two ends of the exhaust pipe are respectively communicated with the air inlet nozzle and the exhaust port; wherein, the exhaust port is communicated with the external environment of the middle barrel assembly of the door; when the water amount in the door middle cylinder assembly changes, the gas sequentially passes through the air inlet nozzle, the exhaust pipe and the exhaust port so as to balance the internal gas pressure of the door middle cylinder assembly. The utility model also provides a multi-tub washing machine. In the operation process of the door middle barrel assembly, when the air pressure is increased due to the fact that the air space is reduced because water is added into the inner barrel, compressed air in the inner barrel is automatically discharged in time through the air inlet nozzle, the exhaust pipe and the exhaust port, and the balance of the air pressure inside and outside the inner barrel and the outer barrel is guaranteed so as to maintain the normal operation of the door middle barrel assembly.

Description

Door-in-cylinder exhaust structure of multi-cylinder washing machine and multi-cylinder washing machine

Technical Field

The utility model relates to the technical field of household appliances, in particular to a door-in-door cylinder exhaust structure of a multi-cylinder washing machine and the multi-cylinder washing machine.

Background

The washing machine is one of the essential household appliances for daily life, and the demand of users for the function diversification of the washing machine is increasing. As family members have come to newborns, people have demanded that washing machines have a classification washing function capable of separately treating clothes of adults and children or separately treating outer garments and inner garments, in addition to daily washing needs. The double-drum washing machine appears in the market at present, and is mostly of an up-and-down arrangement structure, the height of the washing machine is high, and the use range is limited. If a multi-barrel structure is designed to be arranged in front and at the back, the small barrel is positioned at the dispensing opening of the big barrel, the design space of the small barrel is limited, and how to optimize the structural design of the small barrel while meeting the design size limitation of the small barrel is one of the technical problems solved in the field.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the present invention is achieved by the following technical solutions.

The utility model provides a door-in-cylinder exhaust structure of a multi-cylinder washing machine, which comprises an air inlet nozzle, an exhaust pipe and an exhaust port; the air inlet nozzle is communicated with an inner cylinder cavity of a door middle cylinder assembly of the washing machine; two ends of the exhaust pipe are respectively communicated with the air inlet nozzle and the exhaust port; wherein, the first and the second end of the pipe are connected with each other,

the air outlet is communicated with the external environment of the door middle cylinder assembly; when the water amount in the door middle cylinder assembly changes, the gas sequentially passes through the air inlet nozzle, the exhaust pipe and the exhaust port so as to balance the internal gas pressure of the door middle cylinder assembly.

Preferably, the outlet is offset from the inlet nozzle in a direction along the axis of rotation of the door-in-barrel assembly so that the door-in-barrel assembly is open to the environment outside the washing machine.

Preferably, the air inlet nozzle is provided at an upper portion of the outer cylinder of the door middle cylinder assembly.

Preferably, the exhaust port is disposed below the door drum assembly.

Preferably, the exhaust duct is arranged in a circumferential direction of an outer cylinder of the door middle cylinder assembly.

Preferably, the air inlet nozzle is communicated with a cavity between the outer cylinder and the inner cylinder of the door-in-cylinder assembly.

Preferably, the inlet nozzle is detachably connected to the outer tub.

Preferably, the air inlet nozzle is provided with a first exhaust cavity, and at least one baffle is arranged in the first exhaust cavity.

Preferably, the first discharge chamber bottom wall extends in a horizontal direction or is inclined upward toward the airflow flowing direction.

Preferably, the exhaust port is provided on a mounting bracket of the washing machine to hoist the door drum assembly.

Preferably, the air conditioner also comprises a joint piece, wherein the joint piece is provided with an air exhaust channel; one end of the linking piece is communicated with the exhaust pipe, and the other end of the linking piece is clamped on the mounting bracket to be communicated with the exhaust port.

Preferably, the air conditioner further comprises a second air exhaust cavity which is communicated with the air exhaust port and the air exhaust pipe respectively.

The utility model also provides a multi-drum washing machine, which comprises a large drum component, a door-in-drum component and the door-in-drum exhaust structure of the multi-drum washing machine; the door middle barrel assembly is rotatably connected to a barrel throwing opening of the barrel assembly.

Preferably, the door-in-barrel assembly is sealed to the vat access opening with the exhaust port exposed outside the vat access opening.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a door-in-cylinder exhaust structure of a multi-cylinder washing machine, which is characterized in that when air pressure is increased due to the fact that air space is reduced because water is added into an inner cylinder in the operation process of a door-in-cylinder assembly, compressed air in the inner cylinder is automatically exhausted in time through arranging an air inlet nozzle, an exhaust pipe and an exhaust port, so that the balance of the air pressure inside and outside the inner cylinder and the outer cylinder is ensured, and the normal operation of the door-in-cylinder assembly is maintained.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented according to the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a first partial perspective view of a washing machine according to the present invention;

FIG. 2 is a partial enlarged view of a sectional view of the washing machine according to the present invention;

FIG. 3 is a schematic view of an assembly structure of the outer cylinder of the air inlet assembly and the door middle cylinder assembly of the present invention;

FIG. 4 is a schematic perspective view of the intake nozzle of the present invention;

FIG. 5 is a cross-sectional view of the construction of the nozzle of the present invention;

FIG. 6 is a first perspective view of the outer barrel of the door barrel assembly of the present invention;

FIG. 7 is a perspective view of the outer barrel of the door middle barrel assembly of the present invention;

fig. 8 is an exploded view of a partial structure of a washing machine according to the present invention;

FIG. 9 is an enlarged view of the assembly structure of the air inlet duct, air inlet port and mounting bracket of the present invention;

FIG. 10 is a perspective view of a connector of the present invention;

FIG. 11 is a perspective view of the mounting bracket of the present invention;

fig. 12 is an exploded view ii of a partial structure of the washing machine of the present invention;

FIG. 13 is a schematic view of the offset relationship of the exhaust port with respect to the intake nozzle of the present invention;

fig. 14 is a partial perspective view of the washing machine according to the present invention.

In the figure:

100. a washing machine;

10. a door-in-door barrel assembly; 11. an exhaust assembly; 111. an air inlet nozzle; 1111. a first exhaust cavity; 11111. a first side; 11112. a second face; 11121. a first baffle plate; 11122. a second baffle; 1113. a fixed part; 1114. an air inlet port; 1115. an air outlet port; 112. an exhaust pipe; 113. an exhaust port; 114. a joining member; 1141. an exhaust passage; 1142. a card slot; 1143. a connecting portion; 115. a second exhaust chamber; 12. an outer cylinder; 1211. a first chuck wall; 1212. a second chuck wall; 1213. a first clamping portion; 1214. a second clamping portion; 1215. a third clamping part; 122. mounting grooves; 123. a first fixed column; 1231. reinforcing ribs; 124. an exhaust gap; 125. a boss portion; 1251. a through hole; 126. a water inlet port; 127. a drain port; 13. a keg dispensing opening; 14. an inner barrel;

21. a vat input port; 22. a vat box body;

30. mounting a bracket; 31. a bayonet; 32. a second fixed column;

40. a door panel.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

Example 1

The utility model provides a door-in-cylinder exhaust structure of a multi-cylinder washing machine, as shown in fig. 1, fig. 2, fig. 3, fig. 8 and fig. 9, comprising an exhaust assembly 11, wherein the exhaust assembly 11 comprises an air inlet nozzle 111, an exhaust pipe 112 and an exhaust port 113; the air inlet nozzle 111 is communicated with an inner barrel cavity of the door middle barrel assembly 10 of the washing machine; two ends of the exhaust pipe 112 are respectively communicated with the air inlet nozzle 111 and the exhaust port 113; wherein the content of the first and second substances,

the exhaust port 113 communicates with the environment outside the door drum assembly 10; when the amount of water in the door cylinder assembly 10 changes, the air passes through the air inlet nozzle 111, the exhaust pipe 112 and the exhaust port 113 in sequence, so as to balance the air pressure in the door cylinder assembly 10. Specifically, as shown in fig. 12 and 14, the washing machine 100 includes a door middle cylinder assembly 10 and a tub assembly, the tub assembly is a structure of a conventional drum washing machine, the door middle cylinder assembly 10 is rotatably connected to a tub input opening 21 of the tub assembly, and a rear portion of the door middle cylinder assembly 10 is embedded in the tub input opening 21. By arranging the assembly structure on the big barrel box body 22 to rotate the middle barrel component 10 of the connecting door, the whole structure of the big barrel component is slightly changed, and the aim of classifying and processing clothes by a plurality of barrels is fulfilled. In the operation process of the door cylinder assembly 10, when the air pressure is increased due to the fact that the air space is reduced because water is added into the inner cylinder 14, the compressed air in the inner cylinder is automatically discharged in time through the air inlet nozzle 111, the air outlet pipe 112 and the air outlet 113, and the balance of the air pressure inside and outside the inner cylinder 14 and the outer cylinder 12 is ensured, so that the normal operation of the door cylinder assembly 10 is maintained.

It should be understood that the environment external to the door drum in door assembly 10 above represents any space outside of the door drum in door assembly. In one embodiment, the exhaust port 113 is located in the tub enclosure 22, and the air exhausted from the door-in-tub assembly 10 is collected in the tub assembly and exhausted to the outside of the washing machine through the air pipe of the tub assembly. In yet another embodiment, as shown in fig. 13, the exhaust port 113 has an offset H with respect to the inlet nozzle 111 along the rotation axis of the door cylinder assembly 10, so that the door cylinder assembly 10 can communicate with the external environment of the washing machine, and the gas exhausted from the door cylinder assembly 10 is directly exhausted into the external environment of the washing machine.

In one embodiment, as shown in fig. 1 to 3, the air inlet nozzle 111 is disposed at an upper portion of the outer tub 12 of the door-in-tub assembly to prevent water from entering the air inlet nozzle 111 during the spin-drying of the inner tub 14. Further, the intake nozzle 111 is provided directly above the outer cylinder 12 to further reduce the probability of water entrainment in the exhaust gas.

In one embodiment, as shown in figures 1 and 8, the vent 113 is located adjacent the keg access opening 13 of the door barrel assembly. Specifically, the rear portion of the door middle barrel assembly 10 is embedded into the vat input opening 21, the keg input opening 13 is located outside the vat input opening 21, and the air outlet 113 is arranged close to the keg input opening 13 so as to match the structural design that the air outlet 113 is located outside the vat input opening 21.

Further, the air inlet nozzle 111 is arranged close to the keg dispensing opening 13, so that the vertical distance between the air inlet nozzle 111 and the air outlet 113 is shortened, the exhaust pipe 112 is shortened, the occupied space of the exhaust assembly 10 is reduced, and the miniaturization design of the door middle barrel assembly 10 is facilitated.

In one embodiment, when door inner barrel assembly 10 is sealed to vat access opening 21, exhaust port 113 is exposed to the exterior of vat access opening 21 to facilitate venting.

In one embodiment, as shown in fig. 8 and 9, the exhaust port 113 is disposed below the door drum assembly. The design of the position of the air outlet 113 improves the concealment of the air outlet 113 and the beauty of the outer surface of the door middle tube assembly 10; on the other hand, the exhaust is discharged towards the ground, so that the exhaust is prevented from facing a user or a wall surface or a cabinet surface, and the user is not comfortable or the wall surface or the cabinet surface is wet.

In one embodiment, as shown in fig. 1, the exhaust pipes 112 are arranged along the circumferential direction of the outer cylinder 12 of the door cylinder assembly, so as to arrange the exhaust pipes 112 regularly, shorten the length of the exhaust pipes 112, reduce the space occupied by the exhaust assembly 10, and facilitate the miniaturization design of the door cylinder assembly 10.

In one embodiment, as shown in FIG. 2, the air inlet nozzle 111 communicates with the cavity between the outer barrel 12 and the inner barrel 14 of the door-in-barrel assembly 10. Specifically, the inner cylinder 14 is provided with a plurality of through holes, the air in the inner cylinder 14 and the air in the cavity between the outer cylinder 12 and the inner cylinder 14 are communicated with each other, and the air in the inner cylinder 14 is discharged into the air inlet nozzle 111 through the cavity between the outer cylinder 12 and the inner cylinder 14. When the door middle tube assembly 10 operates, the inner tube 14 is turned over, the outer tube 12 shakes with the movement of the inner tube 14 to a certain extent, and the air inlet nozzle 111 is communicated with a cavity between the outer tube 12 and the inner tube 14, so that the air inlet nozzle 111 is prevented from being influenced by the turning of the inner tube 14.

Specifically, as shown in fig. 1 to 3, in an embodiment, the air intake nozzle 111 is detachable from the outer surface of the outer cylinder 12, so that the installation is convenient.

Further, as shown in fig. 3, 4, 5, and 7, the intake nozzle 111 is fixed to the outer surface of the outer cylinder 12 by a fastener. Specifically, the outer surface of the outer cylinder 12 is provided with a mounting groove 122, the air inlet nozzle 111 is partially or completely arranged in the mounting groove 122, and the mounting groove 122 plays a role in positioning and pre-installation. A plurality of first fixing columns 123 are arranged on the outer surface of the outer barrel 12, and a fixing part 1113 is arranged on the air inlet nozzle 111; the first fixing column 123 and the fixing portion 1113 are opposite in position and fixed through a fastener. Further, in order to improve the fixing firmness of the air intake nozzle 111, the number of the fixing portions 1113 is at least three, so as to be respectively arranged on the outer surfaces of the three side walls of the air intake nozzle 111. Further, in order to improve the fixing strength of the first fixing column 123, a plurality of reinforcing ribs 1231 are disposed on the peripheral side of the first fixing column 123.

Further, as shown in fig. 2, the air inlet 1114 of the air inlet nozzle 111 is engaged with the air outlet gap 124 of the outer cylinder 12, so as to improve the sealing performance of the assembling position of the air inlet 1114 and the air outlet gap 124. Specifically, in one embodiment, the air inlet 1114 and the air outlet 124 are both convex structures, the air inlet 1114 extends into the air outlet 124, and the outer surface of the air inlet 1114 abuts against the inner surface of the air outlet 124 to realize clamping.

In one embodiment, as shown in fig. 3 and 4, the air outlet port 1115 of the air inlet nozzle 111 is clamped with the inlet end of the exhaust pipe 112, so that the assembly is convenient and fast, and the sealing performance of the assembly position is good.

In one embodiment, as shown in fig. 5, the air nozzle 111 is provided with a first exhaust chamber 1111, and at least one baffle is provided in the first exhaust chamber 1111. Specifically, the first exhaust cavity 1111 is configured to provide a temporary gas accommodating cavity, and when the gas entering the first exhaust cavity 1111 is doped with water vapor, the water vapor contacts the inner surface of the first exhaust cavity 1111 and is condensed into water, and the water is blocked by the baffle plate and flows back into the outer tub 12. In addition, when water in the outer tub 12 is thrown into the first exhaust chamber 1111, the water is blocked by the baffle from flowing back into the outer tub 12.

Further, the number of baffles may be one, two, three, four or even more, and preferably two in view of the overall size limitations of the door-in-door barrel assembly 10 and the actual amount of vapor and liquid water entering the intake nozzle 111. The baffles comprise a first baffle 11121 and a second baffle 11122; the first and second shutters 11121 and 11122 are arranged in this order in the airflow direction. The first baffle 11121 is used to block the liquid water thrown into the first venting chamber 1111 by the outer cylinder 12 and make it flow back into the outer cylinder 12. The second baffle 11122 is used to block the liquid water flowing thereto, so as to further ensure that the water is prevented from entering the exhaust pipe 112. In addition, the first baffle 11121 and the second baffle 11122 can also be used to block moisture.

Further, the baffle sets up perpendicularly and the cross section of baffle faces rivers flow direction to guarantee its effect that blocks to water, steam.

In one embodiment, the bottom wall of the first air discharge chamber 1111 extends horizontally or is inclined upward toward the air flow direction to prevent liquid water possibly existing in the first air discharge chamber 1111 from flowing into the air discharge pipe 112 along the bottom wall thereof.

In one embodiment, the top wall of the first venting chamber 1111 is inclined in the front-rear direction to accelerate the falling speed of the top wall hanging bead, and to clean the water vapor or water in the first venting chamber 1111 in time to make the water vapor or water flow back into the outer cylinder 12 of the door inner cylinder assembly 10. In another embodiment, as shown in fig. 2, the top wall of the first exhausting chamber 1111 includes at least a first surface 11111 and a second surface 11112, and the first surface 11111 and the second surface 11112 have different inclinations to accelerate the falling speed of the top wall hanging bead, and to clean the water vapor or water in the first exhausting chamber 1111 in time to flow back into the outer cylinder 12 of the door inside cylinder assembly 10.

In one embodiment, as shown in fig. 2, the exhaust port 113 is disposed on the mounting bracket 30 of the washing machine for lifting the door drum assembly 10. Specifically, since the door cylinder assembly 10 is disposed at the large cylinder input port 21, in order to improve the aesthetic appearance of the front surface of the washing machine 100, a housing structure is disposed outside the outer cylinder 12 to conceal the internal components of the door cylinder assembly 10. In one embodiment, as shown in fig. 8, the door cylinder assembly 10 is hinged to the large tub opening 21 through a mounting bracket 30, and in order to reduce the overall size of the washing machine, the mounting bracket 30 and the door panel 40 form a housing structure of the door cylinder assembly 10 at a position outside the large tub opening 21. The exhaust port 113 is provided on the mounting bracket 30, and since the mounting bracket 30 is located between the door panel 40 and the vat assembly, the concealment is good and the aesthetic degree is high. In addition, section of thick bamboo subassembly 10 hoists in the door is in the hollow region of installing support 30, and blast pipe 112 is nearer apart from installing support 30, is convenient for blast pipe 112 and the gas vent 113 of setting on installing support 30 to be put through, shortens the use of blast pipe 112, is favorable to section of thick bamboo subassembly 10's miniaturized design in the door.

In one embodiment, as shown in fig. 9 and 10, the connector 114 is further provided with an exhaust channel 1141; one end of the connecting member 114 is connected to the exhaust pipe 112, and the other end is connected to the mounting bracket 30 to connect to the exhaust port 113. The adapter 114 is provided to facilitate the fixation of the exhaust passage 1141 toward the port of the exhaust port 113. Specifically, a clamping groove 1142 is formed in the peripheral side of the connecting piece 114, the mounting bracket 30 is provided with a clamping opening 31, and the outer contour of the clamping opening 31 is clamped in the clamping groove 1142, so that the connecting piece 114 and the mounting bracket 30 are clamped, and the assembly is simple and rapid and is convenient to detach.

Further, the connecting part 1143 is disposed on the connecting part 114, and the connecting part 1143 is disposed with a mounting hole to be fixed on the mounting bracket 30 by a fastener to fix the outlet end of the exhaust channel 1141 stably.

In one embodiment, as shown in fig. 9 and 11, a second exhaust chamber 115 is further included, and is respectively communicated with the exhaust port 113 and the exhaust pipe 112. Specifically, in one embodiment, the second exhaust chamber 115 is a separate component having a cavity and is mounted at the outlet end of the exhaust pipe 112 or at the outlet end of the adapter 114. In another embodiment, the second exhaust cavity 115 is disposed at a position of the mounting bracket 30 near the exhaust port 113, the bayonet 31 is disposed at a side wall of the second exhaust cavity 115, and the second exhaust cavity 115 is opened toward a side of the door panel, so that the joint member 114 is snapped into the bayonet 31 from the opening; after the second exhaust chamber 115 is assembled with the door panel 40, the open end of the second exhaust chamber 115 abuts against the back of the door panel 40 to close the open end. As the exhaust pipe 112 exhausts, a small amount of moisture or water may be expelled with the gas. The second exhaust chamber 115 is disposed to adhere water or vapor discharged from the exhaust pipe 112 to prevent water from falling off from the exhaust port 113, which may cause water stain around the washing machine 100 and affect the user's use.

Further, a stop portion is disposed in the second exhaust chamber 115 to further prevent the water vapor or water discharged from the exhaust pipe 112 from falling off from the exhaust port 113 to the external environment.

In one embodiment, as shown in fig. 9, the exhaust port 113 has a grid structure, so that the exhaust performance is good, and water or vapor in the exhaust pipe 112 can be prevented from falling off from the exhaust port 113 to the external environment to a certain extent, thereby reducing the probability of humidity in the surrounding environment caused by the operation of the door cylinder assembly 10.

Example 2

The utility model provides a multi-drum washing machine, as shown in fig. 1 to 14, comprising a large drum component, a door middle drum component 10 and the door middle drum exhaust structure of the multi-drum washing machine; the door cylinder assembly 10 is rotatably connected to the outside of the vat set opening 21. Particularly, the embedded assembly structure of the large barrel assembly and the door middle barrel assembly provides the function of classifying and processing clothes by a plurality of barrels, and reduces the influence of the arrangement of the plurality of barrels on the front and back sizes of the washing machine without increasing the height of the washing machine. The exhaust assembly 11 is provided and is configured to exhaust compressed gas during operation of the door inner barrel assembly 11.

In one embodiment, as shown in fig. 1 and 6, the outer surface of the outer cylinder 12 of the door inner cylinder assembly 10 is provided with a plurality of clamping portions to limit the extending direction of the exhaust pipe 112. Specifically, the plurality of clamping portions are sequentially distributed along the air inlet nozzle 111 toward the air outlet 113 to respectively clamp different parts of the exhaust pipe 112, so as to regulate the arrangement path of the exhaust pipe 112, to effectively plan and utilize the space around the outer cylinder 12, and to facilitate the assembly of other components.

Furthermore, the number of the clamping parts is three, so that the cost is saved, the occupied space is reduced, the two ends and the middle part of the exhaust pipe 112 are respectively clamped, and the limiting effect is good. Further, the clamping portions include a first clamping portion 1213, a second clamping portion 1214, a third clamping portion 1215; the first clamping portion 1213 is disposed below the water inlet port 126 of the outer cylinder 12, so as to effectively utilize the space between the water inlet port 126 and the surface of the outer cylinder 12, thereby facilitating the miniaturization design of the door-in-door cylinder assembly 10; the second clamping part 1214 is disposed at one side of the protrusion 125 of the outer cylinder 12 for being hoisted by the mounting bracket 30, and the third clamping part 1215 is disposed near the drainage port 127 of the outer cylinder 12, so as to concentrate the structure of the outer surface design of the outer cylinder 12, effectively utilize the space outside the outer cylinder 12, and facilitate the arrangement of other components.

Furthermore, the clamping portion includes a first clamping wall 1211 and a second clamping wall 1212, and the exhaust pipe 112 is clamped into the clamping area from the open end between the first clamping wall 1211 and the second clamping wall 1212, so that the assembly is simple. Further, the first clipping wall 1211 and the second clipping wall 1212 are separately disposed and fixed on the outer surface of the outer cylinder 12, respectively, so as to form a clipping structure, and reduce the overall size of the clipping portion, thereby facilitating the miniaturization design of the door inner cylinder assembly 10. Further, generally, the outer contour of the exhaust pipe 112 is a curved surface, and in order to improve the clamping between the clamping wall and the curved surface, the first clamping wall 1211 and/or the second clamping wall 1212 include a plurality of ribs, which are sequentially arranged to abut against the outer surface of the exhaust pipe 112, so that the clamping between the exhaust pipe 112 and the first clamping wall 1211 and/or the second clamping wall 1212 is realized by point-to-point contact.

In one embodiment, as shown in fig. 2 and 6, the outer surface of the outer cylinder 12 of the door middle cylinder assembly 10 is provided with a plurality of protrusions 125, and the protrusions 125 are provided with through holes 1251; a plurality of second fixing columns 32 are convexly arranged on the mounting bracket 30; the second fixing column 32 is matched with the through hole 1251 to realize the hoisting of the door middle barrel assembly 10. Further, the air inlet nozzle 111 is disposed on the back of a second fixing column 32 to improve the appearance of the front surface of the outer cylinder 12.

The foregoing is merely a preferred embodiment of the utility model and is not intended to limit the utility model in any manner; those skilled in the art can readily practice the utility model as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the utility model as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims (10)

1. The door-in-cylinder exhaust structure of the multi-cylinder washing machine is characterized by comprising an air inlet nozzle, an exhaust pipe and an exhaust port; the air inlet nozzle is communicated with an inner cylinder cavity of a door middle cylinder assembly of the washing machine; two ends of the exhaust pipe are respectively communicated with the air inlet nozzle and the exhaust port; wherein the content of the first and second substances,

the exhaust port is communicated with the external environment of the door middle cylinder assembly; when the water amount in the door middle cylinder assembly changes, the gas sequentially passes through the air inlet nozzle, the exhaust pipe and the exhaust port so as to balance the internal gas pressure of the door middle cylinder assembly.

2. The door in-drum venting structure in a multi-drum washing machine as claimed in claim 1, wherein the air outlet has an offset with respect to the air inlet nozzle in a direction of a rotation axis of the door in-drum assembly so that the door in-drum assembly can communicate with an environment outside the washing machine.

3. The door-in-drum exhaust structure of a multi-drum washing machine according to claim 1, wherein the air intake nozzle is provided at an upper portion of an outer drum of the door-in-drum assembly; the air outlet is arranged below the door middle barrel assembly.

4. The door drum venting structure of a multi-drum washing machine according to any one of claims 1 to 3, wherein the venting pipe is arranged in a circumferential direction of an outer drum of the door drum assembly.

5. The door-in-drum exhaust structure of a multi-drum washing machine according to any one of claims 1 to 3, characterized in that the air inlet nozzle is communicated with a cavity between the outer drum and the inner drum of the door-in-drum assembly.

6. The door-in-drum venting structure for a multiple-drum washing machine according to any one of claims 1-3, characterized in that the air intake nozzle is provided with a first venting chamber, in which at least one baffle is provided.

7. The door-in-tube exhaust structure of a multi-tube washing machine as claimed in any one of claims 1 to 3, wherein the exhaust port is provided on a mounting bracket of the washing machine for lifting the door-in-tube assembly.

8. The door-in-drum exhaust structure of a multi-drum washing machine according to claim 7, further comprising a joint member provided with an exhaust passage; one end of the connecting piece is communicated with the exhaust pipe, and the other end of the connecting piece is clamped with the mounting bracket to be communicated with the exhaust port.

9. A multi-tub washing machine comprising a tub assembly, a door-in-tub assembly, and the door-in-tub ventilating structure of the multi-tub washing machine according to any one of claims 1 to 8; the door middle barrel assembly is rotatably connected to the barrel throwing opening of the barrel assembly.

10. The multiple tub washing machine of claim 9 wherein the exhaust port is exposed outside the tub access opening when the door-in-tub assembly is sealed to the tub access opening.

Images