CN216585698U

CN216585698U - Drum washing machine with drying function

Info

Publication number: CN216585698U
Application number: CN202121471319.4U
Authority: CN
Inventors: 陈烊冰; 汲超; 龙斌华; 刘剑; 乔宇; 崔斌
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-05-24
Anticipated expiration: 2031-06-30

Abstract

The utility model provides a roller washing machine with a drying function, which comprises an outer barrel, wherein the inner wall surface of the barrel bottom of the outer barrel is a condensation surface, the top of the condensation surface is provided with a drip hole blind pipe, the drip hole blind pipe is provided with a drip hole facing the condensation surface, and a baffle plate is arranged at the drip hole; the drip hole blind pipe comprises a first drip hole blind pipe and a second drip hole blind pipe and is connected with a cooling water inlet pipe through a three-way pipe; cooling water respectively enters the first trickling hole blind pipe and the second trickling hole blind pipe through the cooling water inlet pipe and uniformly flows to the condensation surface from the trickling holes to form wall flow, and damp and hot air entering the outer cylinder is subjected to heat exchange with the condensation surface in the drying process, so that water vapor in the damp and hot air is removed; the utility model adopts a direct contact type water-cooling condensation mode, has simple structure and small occupied space, and avoids the condition that the condensing channel is blocked by the flock; the drip holes are designed in a distributed mode, so that the flowing area of cooling water is large, and the effect of removing water vapor in hot and humid air is good; the cooling water is not sucked into the heating air duct.

Description

Drum washing machine with drying function

Technical Field

The utility model belongs to the technical field of laundry equipment, and particularly relates to a drum washing machine with a drying function.

Background

In the prior art, when the drum washing machine dries clothes, water vapor in hot and humid air is removed in a heat exchange mode of the hot and humid air and a condenser; in order to improve the condensation effect, a condensation channel is designed on the back surface of the water containing barrel, but the structure is complex, the longitudinal size of the washing machine is increased, and meanwhile, the condensation channel is blocked by the drying and carried-out fluff; still put forward the condenser design on flourishing cask bottom wall, but required adapter delivery port sectional area is less, and machining error is big, and long-term the use can influence the play water velocity of flow, causes even that cooling water splashes or can't spout flourishing cask bottom wall, and the adapter is sealed simultaneously and fixed knot constructs complicacy, and the reliability is low.

Disclosure of Invention

In view of this, the present invention provides a drum washing machine with drying function, so as to solve the problems of complex cold condensation structure, easy blockage of the condensation channel, poor condensation effect, etc. in the prior art.

The utility model provides a drum washing machine with drying function, comprising an outer drum, wherein the inner wall surface of the drum bottom of the outer drum is used as a direct contact type water-cooling condensation surface;

the top of the bobbin base internal face of urceolus is equipped with drip hole blind pipe, drip hole blind pipe is formed with the drip hole, the drip hole orientation the bobbin base internal face of urceolus for follow as the cooling water drip hole blind pipe flows during the drip hole the condensation surface forms the wall flow, and follows condensation surface top-down to the bottom of the bobbin base internal face of urceolus flows.

Further optionally, the top of the bobbin base internal face of urceolus is equipped with the cooling water inlet tube, the drip hole blind pipe include with first drip hole blind pipe and the second drip hole blind pipe that the play water end of cooling water inlet tube is connected, just first drip hole blind pipe and second drip hole blind pipe by the play water end of cooling water inlet tube respectively to the lateral wall direction of urceolus extends.

Further optionally, the drum washing machine is provided with a three-way pipe, and the cooling water inlet pipe and the first and second blind drip holes are connected through the three-way pipe.

Further optionally, the first drip hole blind pipe and the second drip hole blind pipe extend along the circumferential direction of the outer cylinder and are not lower than the position of the circle center of the outer cylinder.

Further optionally, the oblique top of the lateral wall face of urceolus is close to the bobbin base department of urceolus is formed with the air outlet, the trickle hole blind pipe is in corresponding the position department of air outlet does not form the trickle hole or the trickle hole blind pipe only extends to the left side of air outlet, just the pipe length of first trickle hole blind pipe and second trickle hole blind pipe does not all exceed the bobbin base internal face of urceolus and the circular fourth of girth of lateral wall face junction.

Further optionally, on the water outlet side of the blind drip hole pipe close to the blind end, at least part of the drip holes are provided with baffle plates, and the baffle plates are inserted into the blind drip hole pipe to reduce the cross-sectional area of the pipe cavity of the blind drip hole pipe.

Further optionally, the blocking piece is transversely inserted into the blind drip hole pipe in a direction perpendicular to the inner wall surface of the cylinder bottom of the outer cylinder.

Further optionally, the baffle is inserted into the drip hole blind tube at intervals.

Further optionally, the first and second drip hole blinders taper in lumen flow cross-section from the respective inlet end to the blind end.

Further optionally, the drum washing machine is provided with an air inlet and a heating air duct, the air inlet is located at the top of the opening of the outer drum, and two ends of the heating air duct are respectively connected with the air outlet and the air inlet; when the drum washing machine operates a drying program, moist and hot air enters the outer drum and contacts with the inner wall surface of the drum bottom of the outer drum, and water vapor in the moist and hot air is removed; and then the air enters the heating air duct from the air outlet, is heated by the heating air duct and then enters the washing drum through the air inlet to dry the clothes, so that a drying cycle is formed.

The utility model provides a roller washing machine with a drying function, which comprises an outer barrel, wherein the inner wall surface of the barrel bottom of the outer barrel is a condensation surface, a drip hole blind pipe is arranged at the top of the inner wall surface of the barrel bottom of the outer barrel, the drip hole blind pipe is provided with a drip hole facing the inner wall surface of the barrel bottom of the outer barrel, and cooling water entering the drip hole blind pipe uniformly flows to the condensation surface through the drip hole to form wall-attached flow; the drip hole blind pipe comprises a first drip hole blind pipe and a second drip hole blind pipe which extend along the circumferential direction of the outer barrel and is connected with the cooling water inlet pipe through a three-way pipe; the blind pipe of the drip hole is not provided with a drip hole close to the air outlet of the outer cylinder; the blind pipe of the drip hole is close to the water outlet side of the blind end, and a baffle plate is arranged at the drip hole; cooling water respectively enters the first dripping hole blind pipe and the second dripping hole blind pipe through the cooling water inlet pipe and uniformly flows to the condensation surface through the dripping holes, and hot and humid air entering the outer cylinder in the drying process of the drum washing machine exchanges heat with the condensation surface, so that water vapor in the hot and humid air is removed; the utility model adopts a direct contact type water-cooling condensation mode, has simple structure, greatly reduces the occupied space and solves the problem of blockage caused by the fact that the flock enters a condensation channel; the cooling water uniformly flows to the condensation surface from the dripping holes, so that the cooling water is prevented from splashing into the washing drum to wet clothes, the utilization rate of the cooling water is improved, and the effects of energy conservation and emission reduction are achieved; through the distributed design of a plurality of drip holes, the flowing area of cooling water on the condensation surface is increased, the utilization rate of the condensation surface is improved, and the effect of removing water vapor in hot and humid air is improved; and no drip hole is arranged at the air outlet, so that cooling water is prevented from being sucked into the hot air adding duct.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary and that other implementation drawings may be derived from the drawings provided to one of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

Fig. 1a and 1b are schematic structural views of an internal embodiment of a drum washing machine according to the present invention;

FIG. 2 is a schematic structural diagram of an external embodiment of the drum washing machine according to the present invention;

in the figure:

1-a blind drip hole pipe; 11-first drip orifice blind pipe; 12-a second weep hole blind pipe; 13-a drip orifice; 14-a baffle plate;

2-drum washing machine; 21-outer cylinder; 211-air intake; 212-an air outlet; 213-inner wall surface of cylinder bottom of outer cylinder; 214-a side wall of the outer barrel; 22-cooling water inlet pipe; 23-a tee pipe; 24-a heating assembly; 241-a heating air duct; 242-air outlet temperature bulb; 243-a fan; 244-electric heating wire; 245-a manual temperature limiter; 246-automatic temperature limiter; 247-air intake temperature bulb.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terminology used in the embodiments of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

The existing drum washing machine removes the water vapor in the damp and hot air, including designing the condensing channel on the back of the washing drum and the condenser on the bottom wall of the washing drum; the first mode occupies large space, and the fluff generated in the drying process is easy to block a condensation channel; the second mode is not easy to control the water outlet flow rate, so that cooling water is easy to splash or cannot be sprayed to the inner wall of the washing drum; the utility model creatively provides a roller washing machine with a drying function, which comprises an outer barrel, wherein the inner wall surface of the barrel bottom of the outer barrel is used as a condensation surface, the top of the condensation surface is provided with a drip hole blind pipe, the drip hole blind pipe is provided with a drip hole, and cooling water entering the drip hole blind pipe uniformly flows to the condensation surface through the drip hole to form wall-attached flow; when the washing machine is used for drying, the damp and hot air entering the outer drum is contacted with the condensing surface, and the water vapor in the damp and hot air is removed; the structure is simple, the occupied space is small, the condition that the condensation channel is blocked is avoided, cooling water is not easy to splash, the utilization rate is high, and the effects of energy conservation and emission reduction are achieved.

As shown in fig. 1a, 1b and 2, the present embodiment provides a drum washing machine with drying function, comprising an outer drum 21, a drum bottom inner wall surface 213 of the outer drum being a direct contact type water-cooled condensation surface; the top of the inner wall surface 213 of the cylinder bottom of the outer cylinder is provided with a dripping hole blind pipe 1, the dripping hole blind pipe 1 is provided with a dripping hole 13 facing the inner wall surface 213 of the cylinder bottom of the outer cylinder, cooling water enters the dripping hole blind pipe 1 and flows to a condensation surface from the dripping hole 13, a wall-attached flow is formed on the condensation surface, and the cooling water flows to the bottom of the inner wall surface 213 of the cylinder bottom of the outer cylinder from top to bottom along the condensation surface; preferably, the blind drip hole pipe 1 is arranged close to the condensation surface and extends along the condensation surface; the blind pipe 1 with the dripping holes has a simple structure and small occupied space, and flock generated in the drying process is not in direct contact with the blind pipe 1 with the dripping holes, so that the condition that a condensing channel is blocked by the flock is avoided.

In order to uniformly distribute the cooling water on the condensation surface and improve the distribution area of the cooling water, and ensure the condensation effect of the condensation surface, in some preferred embodiments, a plurality of drip holes 13 are uniformly arranged along the extension direction of the drip hole blind pipe 1; specifically, one dripping hole 13 is provided at intervals of 20 mm. The cooling water flows to the condensing surface uniformly through the dripping holes 13, so that the cooling water is prevented from splashing to enter the washing drum to wet the clothes, and the drying effect of the clothes is reduced; along the extension direction of the blind pipe 1 with the drip holes, the cooling water flows to the condensation surface, the coverage area of the cooling water is large, the utilization rate of the condensation surface is improved, hot and humid air entering the outer barrel 21 when the drum washing machine 2 runs a drying program exchanges heat with the condensation surface, and water vapor in the hot and humid air is removed.

Further, a cooling water inlet pipe 22 is arranged at the top of the inner wall surface 213 of the cylinder bottom of the outer cylinder, in order to improve the coverage surface of cooling water on the condensation surface and ensure the condensation effect of the condensation surface, the drip hole blind pipe 1 comprises a first drip hole blind pipe 11 and a second drip hole blind pipe 12 which are connected with the water outlet end of the cooling water inlet pipe 22, and the first drip hole blind pipe 11 and the second drip hole blind pipe 12 extend from the water outlet end of the cooling water inlet pipe 22 to the side wall 214 of the outer cylinder respectively; specifically, the first blind drip hole pipe 11 extends towards the left side wall of the outer cylinder, and the second blind drip hole pipe 12 extends towards the right side wall of the outer cylinder; the top of the side wall 214 of the outer cylinder is provided with an installation opening close to the inner wall surface 213 of the cylinder bottom of the outer cylinder, and the cooling water inlet pipe 22 passes through the installation opening and is fixed on the side wall 214 of the outer cylinder; one end of the cooling water inlet pipe 22 is externally connected with a water pipe.

The drum washing machine 2 is provided with a three-way pipe 23, and the cooling water inlet pipe 22 is connected with the first dripping hole blind pipe 11 and the second dripping hole blind pipe 12 through the three-way pipe 23; cooling water flows to the first dripping hole blind pipe 11 and the second dripping hole blind pipe 12 through the cooling water inlet pipe 22 and the three-way pipe 23 respectively and further flows to a condensing surface through the dripping holes 13;

preferably, the first drip hole blind pipe 11 and the second drip hole blind pipe 12 both extend along the circumferential direction of the outer cylinder 21 and are not lower than the position of the center of the circle at the outer cylinder; specifically, the lengths of the first drip hole blank pipe 11 and the second drip hole blank pipe 12 are each one fourth of the circular circumference of the junction between the inner wall surface 213 of the bottom of the outer tube and the side wall 214 of the outer tube.

A water inlet valve is also arranged at the position of the cooling water inlet pipe 22 and is electrically connected with a controller of the drum washing machine 2, and the controller controls the opening size of the water inlet valve according to the weight of the dried clothes, so that the clothes are guaranteed to have an efficient condensation effect in the drying process; preferably, the flow rate of the water inlet valve is 0.5L/min.

An air outlet 212 is formed on the side wall 214 of the outer cylinder obliquely above and close to the cylinder bottom of the outer cylinder 21, in order to prevent cooling water from being sucked back into the heating air duct 241 from the air outlet 212, no drip hole 13 is formed at the position corresponding to the air outlet 212 of the drip hole blind pipe 1, so that no cooling water exists near the air outlet 212, or the drip hole blind pipe 1 on one side of the air outlet 212 only extends to the left side of the air outlet 212, and specifically, the pipe length of the drip hole blind pipe 1 on one side of the air outlet 212 is not more than one fourth of the circular circumference of the joint of the cylinder bottom inner wall surface 212 of the outer cylinder and the side wall 214 of the outer cylinder.

The cooling water flows along the blind pipe 1 with the drip holes, the water pressure is gradually increased from the top to the bottom of the blind pipe 1 with the drip holes, and then the flow speed of the cooling water is gradually increased when the cooling water flows out from the drip holes 13, so that the cooling water at the bottom of the blind pipe 1 with the drip holes is easy to splash; in some embodiments, a baffle plate 14 is arranged at the water outlet side of the drip hole blind pipe 1 close to the blind end and at least part of the drip holes 13, and the baffle plate 14 is inserted into the drip hole blind pipe 1 from the side of the drip holes 13 to the pipe cavity of the drip hole blind pipe 1, so that the pipe cavity flow cross-sectional area of the drip hole blind pipe 1 is reduced; the water pressure of the baffle plate 14 close to one side of the three-way pipe 23 is increased, the effect of balancing the water pressure of each dripping hole 13 is achieved, and the problem that the dripping holes 13 at the top of the dripping hole blind pipe 1 do not discharge water, but the dripping holes 13 at the bottom of the dripping hole blind pipe 1 have overlarge water flow is solved; preferably, from the top to the bottom of the drip hole blind 1, the length of each baffle 14 extending from one side of the drip hole 13 to the cavity of the drip hole blind 1 is gradually reduced, so that the water pressure at each drip hole 13 is consistent.

Furthermore, the baffle plate 14 forms a blocking effect on the cooling water on the side close to the dripping hole 13; the side of the baffle plate 14 far away from the dripping hole 13 is provided with an overflowing hole, and the size of the overflowing hole is related to the extension length of the baffle plate 14 into the tube cavity of the dripping hole blind tube 1; when the cooling water flows through the vicinity of the drip hole 13, one part of the cooling water flows out of the drip hole 13, and the other part of the cooling water passes through the overflowing hole and continues to flow along the tube cavity of the drip hole blind pipe 1; cooling water enters the drip hole blind pipe 1 through the cooling water inlet pipe 22, flows to the condensation surface from each drip hole 13 under the action of the baffle plate 14 and flows along the condensation surface along the wall, and when drying, damp and hot air is in contact with the condensation surface and exchanges heat, and steam in the damp and hot air is condensed into water drops and is separated from the damp and hot air under the action of gravity, so that the purpose of dehumidification is achieved.

In some embodiments, at the drip hole 13, the baffle 14 changes the cross-sectional area of the tube cavity of the drip hole blind pipe 1 to half of the original cross-sectional area, so that the cooling water flows slowly and at a uniform flow rate at each drip hole 13.

Preferably, the baffle plate 14 is transversely inserted into the blind drip hole pipe 1 in a direction perpendicular to the inner wall surface 213 of the cylinder bottom of the outer cylinder; specifically, the baffle plates 14 are inserted into the drip hole blind pipe 1 at intervals.

In other embodiments, the blind drip hole pipe 1 can be provided with no baffle plate 14, so that the structure and the installation difficulty of the blind drip hole pipe 1 are simplified; however, the water pressure at each drip hole 13 is not uniform, spraying can occur in the drip holes 13 at the bottom of the drip hole blind pipe 1, and the drip holes 13 at the top of the drip hole blind pipe 1 have difficulty in discharging water, so that the condensation effect is poor.

In addition, the first drip hole blind pipe 11 and the second drip hole blind pipe 12 gradually reduce the flow cross section of the pipe cavity from the respective water inlet ends to the blind ends, and also play a role in balancing the water pressure of the drip holes 13.

In order to improve the utilization rate of cooling water, a cooling circulation system is formed at the bottom of the outer cylinder 21, and the cooling circulation system comprises a drip hole blind pipe 1; specifically, a water storage tank is formed at the bottom of the outer cylinder 21, and a connecting pipe and a pump are arranged between the water storage tank and the cooling water inlet pipe 22; when the cooling water flows to the water storage tank along the inner wall surface 213 of the cylinder bottom of the outer cylinder, under the action of the pump, the cooling water enters the drip hole blind pipe 1 again through the connecting pipe and the cooling water inlet pipe 22, and the cooling water flows to the inner wall surface 213 of the cylinder bottom of the outer cylinder again through the drip hole 13, so that the cyclic utilization of the cooling water is realized. The cooling water can be discharged from the drain port of the drum washing machine 2 when flowing to the bottom of the outer tub 21.

In other embodiments, the drum washing machine 2 is further provided with an air inlet 211 and a heating air duct 241, the air inlet 211 is located at the top of the opening of the outer drum 21, and two ends of the heating air duct 241 are respectively connected with the air outlet 212 and the air inlet 211; when the drum washing machine 2 runs a drying program, the damp and hot air enters the outer drum 21 from the washing drum and contacts with the inner wall surface 213 of the drum bottom of the outer drum to complete heat exchange, and the water vapor in the damp and hot air is removed; then, the air enters the heating air duct 241 from the air outlet 212 under the action of the fan 243, is heated by the heating air duct 241, and then enters the washing drum through the air inlet 211 to contact with the clothes to be dried and complete heat exchange, so as to form damp and hot air, and thus a drying cycle is formed.

Specifically, a heating assembly 24 is arranged on the heating air duct 241, and the heating assembly 24 includes an air outlet temperature bulb 242, a fan 243, a heating wire 244, a manual temperature limiter 245, an automatic temperature limiter 246, and an air inlet temperature bulb 247, which are sequentially arranged on the heating air duct 241. The air reaches the vicinity of the heating wire 244 under the action of the fan 243, is heated by the heating wire 244 to become high-temperature air, enters the outer drum 21 and the washing drum from the air inlet 211 of the outer drum 21, completes heat exchange with clothes to be dried in the washing drum, becomes damp and hot air, further contacts with the inner wall 213 of the drum bottom of the outer drum, and removes water vapor in the damp and hot air.

Further, the outlet air temperature bulb 242 and the inlet air temperature bulb 247 are respectively used for detecting the temperature of the air inlet 212 and the air inlet 211; the air outlet temperature bulb 242 and the air inlet temperature bulb 247 are respectively electrically connected with the controller and transmit detection data to the controller, and the controller can judge the state of the drying program of the drum washing machine 2 according to the detection data; specifically, when the temperature at the air inlet 211 is much higher than the temperature at the air outlet 212, the drying starts; when the difference between the temperature at the air inlet 211 and the temperature at the air outlet 212 is less than 10 ℃ and is kept for more than 5 minutes, the drying is finished;

the automatic temperature limiter 246 is used for detecting the temperature of the air near the heating wire 244 and controlling the working frequency of the heating wire 244 to prevent the air temperature from being too high; the manual temperature limiter 245 is used to detect the temperature of the air near the heating wire 244 when the automatic temperature limiter 246 fails; the automatic temperature limiter 246 and the manual temperature limiter 245 are respectively electrically connected with the controller and transmit the detection data to the controller, and the controller can control the operation of the heating wire 244 according to the detection data; specifically, the automatic temperature limiter 246 sets the protection temperature to be T1 ℃, and when the air temperature detected by the automatic temperature limiter 246 reaches T1 ℃, the controller controls the heating wire 244 to be closed; when the air temperature detected by the automatic temperature limiter 246 drops below 90 ℃, the controller controls the heating wire 244 to be opened; the manual temperature limiter 245 sets the protection temperature to T2 deg.c, and when the air temperature detected by the manual temperature limiter 245 reaches T2 deg.c, the controller controls the heating wire 244 to be turned off.

Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. A drum washing machine with drying function, including the urceolus, its characterized in that: the inner wall surface of the cylinder bottom of the outer cylinder is used as a direct contact type water-cooling condensation surface;

2. A drum washing machine with drying function according to claim 1, characterized in that: the top of the bobbin base internal face of urceolus is equipped with the cooling water inlet tube, the drip hole blind pipe include with first drip hole blind pipe and second drip hole blind pipe that the play water end of cooling water inlet tube is connected, just first drip hole blind pipe and second drip hole blind pipe by the play water end of cooling water inlet tube respectively to the lateral wall direction of urceolus extends.

3. A drum washing machine with drying function according to claim 2, characterized in that: the drum washing machine is provided with a three-way pipe, and the cooling water inlet pipe is connected with the first dripping hole blind pipe and the second dripping hole blind pipe through the three-way pipe.

4. A drum washing machine with drying function according to claim 2, characterized in that: the first dripping hole blind pipe and the second dripping hole blind pipe extend along the circumferential direction of the outer barrel and are not lower than the circle center of the outer barrel.

5. The drum washing machine with drying function according to claim 2, characterized in that: the oblique top of lateral wall face of urceolus is close to the bobbin base department of urceolus is formed with the air outlet, the drip hole blind pipe is corresponding the position department of air outlet does not form drip hole or drip hole blind pipe only extends to the left side of air outlet, just the pipe length of first drip hole blind pipe and second drip hole blind pipe does not all exceed the bobbin base internal face of urceolus and the circular girth of lateral wall face junction.

6. A drum washing machine with drying function according to claim 1, characterized in that: the drip hole blind pipe is close to the water outlet side of the blind end, at least part of the drip hole is provided with a baffle plate, and the baffle plate is inserted into the drip hole blind pipe to reduce the cross-sectional area of the pipe cavity of the drip hole blind pipe.

7. The drum washing machine with drying function according to claim 6, characterized in that: the baffle plate is transversely inserted into the drip hole blind pipe in a direction perpendicular to the inner wall surface of the cylinder bottom of the outer cylinder.

8. The drum washing machine with drying function according to claim 7 or 6, characterized in that: the baffle plate is inserted into the drip hole blind pipe at intervals.

9. A drum washing machine with drying function according to claim 2, characterized in that: the first drip hole blind pipe and the second drip hole blind pipe are gradually reduced in the pipe cavity flow cross section from the respective water inlet ends to the blind ends.

10. A drum washing machine with drying function according to claim 1, characterized in that: the drum washing machine is provided with an air inlet and a heating air duct, the air inlet is positioned at the top of the opening of the outer drum, and two ends of the heating air duct are respectively connected with the air outlet and the air inlet; when the drum washing machine operates a drying program, moist and hot air enters the outer drum and contacts with the inner wall surface of the drum bottom of the outer drum, and water vapor in the moist and hot air is removed; and then the air enters the heating air duct from the air outlet, is heated by the heating air duct and then enters the washing drum through the air inlet to dry the clothes, so that a drying cycle is formed.