CN111074476A

CN111074476A - A drum washing machine outer tub rear cover spray structure and drum washing machine

Info

Publication number: CN111074476A
Application number: CN202010022505.3A
Authority: CN
Inventors: 卢挺浩; 傅晓勇; 赖毅俊; 李海杰; 李雪; 林帆
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-11-02
Filing date: 2020-01-09
Publication date: 2020-04-28
Also published as: CN111206365A; CN111088642A; EP4026938A1; CN111058217A; CN111058221A; CN212611479U; CN212335570U; CN111254630A; CN212152787U; CN212357691U; CN111074473A; CN212152785U; CN111074473B; CN111118808A; CN111074477A; CN111074479B; CN111088644A; CN111088641A; WO2021082940A1; CN111020967A

Abstract

The invention provides a spraying structure of a rear cover of an outer barrel of a roller washing machine, wherein the roller washing machine comprises the outer barrel and an inner barrel, the outer barrel comprises a rear cover detachably connected to the rear end part of the outer barrel, a spraying water supply channel is formed on the rear cover of the outer barrel, a spraying device communicated with the spraying water supply channel is arranged on the inner wall surface of the rear cover of the outer barrel, and the spraying direction of the spraying device faces to the outer wall surface of the inner barrel. Its simple structure, easy dismounting, clean effectual, keep the inner tube fresh high clean, guarantee that the clothes washs at every turn, the inner tube all cleans as new, gives a clean washing environment of clothing, and the drum type washing machine who has this structure can improve the experience that is used for greatly and feel.

Description

Spraying structure of rear cover of outer barrel of drum washing machine and drum washing machine

Technical Field

The invention relates to the technical field of household daily-use electric appliance manufacturing, in particular to a spraying structure of a rear cover of an outer barrel of a drum washing machine and the drum washing machine.

Background

For example, chinese patent publication No. CN105088617A discloses a drum washing machine in 2015, 11/25, which includes: a housing formed with an opening; an outer barrel arranged in the shell; the inner cylinder is rotatably arranged in the outer cylinder, and the central axis of the inner cylinder is horizontally arranged and is parallel to the central axis of the outer cylinder; the small cylinder is rotatably sleeved in the inner cylinder and extends from the bottom wall of the inner cylinder to a depth smaller than that of the inner cylinder; and the driving device is respectively connected with the inner cylinder and the small cylinder so as to drive the inner cylinder and the small cylinder to rotate in the same direction or in the opposite direction. Because a confined environment is arranged between the inner barrel and the outer barrel of the drum washing machine, only water flow can pass through, after the drum washing machine is used for a period of time, dirt can be adhered to the outer wall of the inner barrel and the inner wall of the outer barrel, bacteria with different degrees are easy to breed at normal temperature, most of the bred bacteria are harmful to human bodies, and thus secondary pollution to clothes is easy to cause during washing, and the health of a user is influenced.

As is well known, after a washing machine is used for a period of time, the inner cylinder is easy to accumulate some lint which is difficult to remove, especially at the tripod at the back of the inner cylinder assembly, the lint is easy to accumulate residual debris, and is difficult to clean, and even a high-temperature cylinder cleaning procedure is difficult to clean. Therefore, there is a need for further improvements to address the cleaning of the backside of the inner barrel assembly.

Disclosure of Invention

The invention aims to provide a spraying structure of a rear cover of an outer barrel of a drum washing machine and the drum washing machine with the spraying structure, which solve the problem that the inner barrel is easy to be dirty after the drum washing machine is used for a long time, and particularly aim at cleaning the outer wall and the back of a stainless steel inner barrel.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a lid sprays structure behind outer bucket of drum type washing machine, drum type washing machine includes outer bucket and inner tube, outer bucket is including dismantling the back lid of connecting tip behind outer bucket, the lid is formed with spray water supply channel behind the outer bucket, be equipped with on the inner wall face of lid behind the outer bucket with spray the spray set that water supply channel communicates, spray set sprays the direction and faces the outer wall of inner tube.

Further optionally, the tub rear cover comprises a cover body and a cover edge portion; the spraying device comprises a first spraying device arranged on the inner wall surface of the cover body, and the spraying direction of the first spraying device faces to the outer wall surface of the rear part of the inner cylinder.

Further optionally, the first spraying device is disposed on an inner wall surface of the cover body and located right above a connection position of the outer barrel and the inner barrel.

Further optionally, the spraying device further comprises a second spraying device and a third spraying device which are arranged on the cover edge of the outer barrel rear cover and oppositely arranged, the second spraying device and the third spraying device are respectively arranged along the length direction of the cover edge, and the spraying direction is the tangential direction of the outer wall surface of the inner barrel.

The second and third spraying devices spray along the tangential direction of the outer wall of the inner cylinder, thereby effectively washing the flock or sundries adhered to the outer wall of the inner cylinder and achieving the effect of cleaning the inner cylinder body of the inner cylinder.

Further optionally, the second and third spraying devices are located on the left and right sides of the lid edge and above the centerline of the lid behind the outer tub.

Further optionally, the spraying device comprises a spraying water inlet and a spraying head, and the spraying water inlet is communicated with the spraying water supply channel water outlet to form a communication pipeline; a circulating water pump is arranged on the communicating pipeline; capillary spraying holes are formed in the front of the spraying head; the design that sprays the hole realizes that the high pressure sprays, effectively promotes to spray clear cleanliness factor, and circulating water pump's design realizes the circulation and sprays work, water economy resource.

Further optionally, a concave surface is formed on the back surface of the spray header, and the concave surface is matched with the shape of the outer barrel rear cover; the water flow sprayed by the spray header is ensured to be sprayed along the designed direction.

Further optionally, the water inlet of the spray water supply channel is connected with a drainage system of the washing machine, so that the spray structure can perform spraying by utilizing the drainage of the washing water; saving water and protecting environment.

Further optionally, a water collecting groove is formed at the bottom of the inner wall of the outer tub rear cover, and the water collecting groove is formed with a drain hole for collecting the shower water to be drained out of the washing machine.

Further optionally, the spray header is integrally formed by the outer barrel rear cover, so that the process is simple, and the production cost is low.

The invention also provides a drum washing machine which is provided with any one of the spraying structures of the drum washing machine outer barrel rear cover.

The spraying structure of the rear cover of the outer barrel of the drum washing machine, provided by the invention, has the advantages of simple structure, convenience in disassembly and assembly and good cleaning effect, creates a clean washing environment, and particularly solves the following problems:

1. the problem that the inner cylinder is easy to be dirty after the washing machine is used for a long time, and particularly the cleaning of the outer wall and the back of the stainless steel inner cylinder is realized; 2. the tripod of the inner drum of the washing machine is most easy to accumulate residual sundries and is difficult to clean, and even a high-temperature drum cleaning program is difficult to clean.

Drawings

The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely some embodiments of the present disclosure, and other drawings may be derived from those drawings by those of ordinary skill in the art without inventive effort.

FIG. 1: in one embodiment of the invention, the side view of the spraying structure of the rear cover of the outer barrel;

FIG. 2: in one embodiment of the invention, the front view of the spraying structure of the rear cover of the outer barrel;

FIG. 3: in one embodiment of the invention, the rear view of the spraying structure of the outer barrel rear cover;

FIG. 4: the first spraying device in one embodiment of the invention is a schematic structural diagram;

FIG. 5: the spraying structure of the rear cover of the outer barrel in one embodiment of the invention has an operation principle diagram.

In the figure:

1-a cover body, 11-a first spraying device; 111-a first showerhead; 112-first spray holes; 113-a first spray water inlet; 2-cover edge, 21-second spraying device; 211-a second showerhead; 212-second spray holes; 213-a second spray water inlet; 22-a third spray device; 221-a third showerhead; 222-third spray holes; 223-a third spray water inlet; 3-a drain hole;

a1-washing tub; a2-spray structure; a 3-one-way check valve; a4-spraying electromagnetic valve; a5-filter screen; a6-circulating water pump; a7-electric two-way switching valve; a8-tap water

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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 invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. 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 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 problem that the inner barrel is dirty is easy to occur after the drum washing machine in the market is used for a long time, particularly, aiming at the outer wall and the back of the stainless steel inner barrel, the tripod of the inner barrel of the washing machine is most easy to accumulate residual sundries and is difficult to clean, and the inner barrel is difficult to clean even if a high-temperature barrel cleaning program is used.

The application aims at providing a spraying structure of a rear cover of an outer barrel of a drum washing machine, which has the advantages of simple structure, convenient assembly and disassembly, good cleaning effect and capability of keeping the inner barrel fresh and clean; the inner drum is clean as new every time the clothes are cleaned, and a comfortable washing environment is provided for the clothes.

Example 1

As shown in fig. 1-3, the embodiment further provides a drum washing machine, which includes a stainless steel inner cylinder, an outer cylinder, a rear cover detachably connected to a rear end portion of the outer cylinder, the rear cover including a cover body 1 and a cover edge 2, a spraying device communicated with a spraying water supply channel and arranged on an inner wall surface of the outer cylinder rear cover, and a spraying direction of the spraying device faces to an outer wall surface of the inner cylinder. As shown in fig. 4, the spraying device preferably comprises a spraying water inlet and a spraying head, wherein the spraying water inlet is communicated with the spraying water supply channel water outlet to form a communication pipeline; a circulating water pump A6 is arranged on the communicating pipeline; capillary spraying holes are formed in the front of the spraying head; preferably, a concave surface is formed on the back surface of the spray header, and the concave surface is matched with the shape of the rear cover of the outer barrel; the water flow sprayed by the spray header is ensured to be sprayed along the designed direction. Preferably, the spray header is integrally formed by the outer barrel rear cover, so that the process is simple and the production cost is low. Preferably, the water inlet of the spray water supply passage is connected to a drain system of the washing machine so that the spray structure can perform spraying using the washing water drain. Further preferably, the water inlet of the shower water supply passage is connected to a drain system of the washing machine through a three-way valve. More preferably, the inlet of the shower water supply passage is connected to the drain system of the washing machine by a circulation water pump a6 having an electric two-way switching valve a 7. Preferably, a water collection groove is formed at the bottom of the inner wall of the rear cover of the outer tub, and the water collection groove is formed with a water discharge hole 33 to collect shower water to be discharged out of the washing machine.

Preferably, as shown in fig. 1 to 4, the present embodiment includes three spraying devices, i.e., a first spraying device 11, a second spraying device and a third spraying device 22.

The first spraying device 11 is arranged on the inner wall surface of the cover body 1, is positioned right above the joint of the outer barrel and the inner barrel, and is provided with a first spraying head 111 and a first spraying water inlet 113, wherein the front surface of the first spraying head 111 is provided with a plurality of capillary spraying holes, namely first spraying holes 112, and the first spraying water inlet 113 is communicated with a drain pipe of the washing machine; in order to achieve a better spraying effect, it is further preferable that the first spray header 111 of the first spray device 11 is in a strip shape, so as to achieve a better spraying effect.

The second spraying device 21 and the third spraying device 22 are arranged on the cover edge 2 of the outer barrel rear cover in bilateral symmetry and above the central line of the outer barrel rear cover, and the second spraying device 22 and the third spraying device 22 are respectively arranged along the length direction of the cover edge 2, and the spraying direction is the tangential direction of the outer wall surface of the inner barrel. Preferably, the second spraying device 21 and the third spraying device 22 have the same structural design as the first spraying device 11, so that the mold opening processing cost is reduced. The second spraying device 21 is provided with a second spraying head 211 and a second spraying water inlet 213, wherein the front surface of the second spraying head 211 is provided with a plurality of capillary spraying holes, namely second spraying holes 212, and the second spraying water inlet 213 is communicated with a drain pipe of the washing machine; the third spraying device 22 is provided with a third spraying head 221 and a third spraying water inlet 223, wherein the front surface of the third spraying head 221 is provided with a plurality of capillary spraying holes, namely third spraying holes 222, and the third spraying water inlet 223 is communicated with a drain pipe of the washing machine. In order to achieve a better spraying effect, it is further preferable that the spray headers of the second and third spray devices 22, i.e., the second spray header 211 and the third spray header 221, are circular. Further preferably, the first, second and third spray headers 221 are fixed on the rear cover of the outer barrel in cooperation with the sealing rubber plug, so that potential safety hazards of water leakage caused by water leakage in the spray device out of the outer barrel can be prevented.

Taking a circulation system using a circulating water pump A6 having an electric two-way switching valve a7 as an example, specifically, as shown in fig. 5, a circulating water pump A6 having an electric two-way switching valve a7 is an integrated component including a filter screen A5, a circulating water pump A6, a pump body, an electric two-way switching valve a7, a drain pipe directly connected to the electric two-way switching valve a7 and a water inlet pipe connected to the water inlet pipe through a one-way check valve A3, one end of the water inlet pipe is connected to tap water a8 through the one-way check valve A3 and a shower solenoid valve a4, and the other end is connected to a shower water supply passage of a shower structure of a rear cover of an outer tub a 1.

When the inner barrel of the washing machine is cleaned, the inner barrel water is circularly pumped to the spraying device covered on the rear cover of the outer barrel after being filtered by the filter screen A5 by utilizing the circulating water pump A6 with the electric two-way switching valve A7, and the capillary spraying hole of the spraying device is used for achieving the high-pressure spraying effect. Preferably, tap water A8 spray works together with the circulating spray, and residual foam and impurities in the cylinder are removed more effectively under the condition of double pipes. The tap water A8 spray inlet pipe and the circulating spray pipe are both provided with one-way check valves A3. The two can work independently and simultaneously without mutual influence.

According to the spraying structure of the rear cover of the outer barrel of the washing machine, through the design of the structures and the installation positions of the first spraying device, the second spraying device and the third spraying device, the first spraying device can effectively remove scraps or sundries at the rear cover of the inner barrel and a tripod towards the rear part of the inner barrel, the second spraying device and the third spraying device spray along the tangential direction of the outer wall of the inner barrel, so that the scraps or sundries adhered to the outer wall of the inner barrel are effectively washed, the effect of cleaning the barrel body of the inner barrel is achieved, high-pressure spraying is realized through the design of capillary spraying holes, the cleanliness of the spraying structure is effectively improved, the circulating spraying work is realized through the design of a circulating water; saving water and protecting environment.

In summary, the present invention provides a spraying structure of a rear cover of an outer drum of a drum washing machine, the drum washing machine comprises the outer drum and an inner drum, the outer drum comprises a rear cover detachably connected to the rear end of the outer drum, a spraying water supply channel is formed on the rear cover of the outer drum, a spraying device communicated with the spraying water supply channel is arranged on the inner wall surface of the rear cover of the outer drum, and the spraying direction of the spraying device faces to the outer wall surface of the inner drum. And the structure can utilize tap water and washing water of the washing machine as spray water to work simultaneously, and can more effectively remove residual foam and impurities in the cylinder. The inner surface of the outer barrel, the outer surface of the stainless steel inner barrel, the tripod, the glass door, the door sealing ring and other parts are sprayed and washed in the washing stage and the rinsing stage, so that the fluff, residual foam and the like of clothes are taken away, and the interior of the washing machine is ensured to be clean.

The invention provides a spraying structure of a rear cover of an outer barrel of a drum washing machine and the drum washing machine with the spraying structure, which are not limited to the description and the implementation mode. Therefore, all equivalent changes or modifications made according to the structure, characteristics and principles of the invention should be included in the scope of the claims of the invention.

Claims

1. The utility model provides a lid sprays structure behind drum type washing machine outer bucket, drum type washing machine includes outer bucket and inner tube, outer bucket is including dismantling the back lid of connecting tip behind outer bucket, its characterized in that: the inner wall surface of the outer barrel rear cover is provided with a spraying device communicated with the spraying water supply channel, and the spraying direction of the spraying device faces to the outer wall surface of the inner barrel.

2. The spraying structure of the tub rear cover of the drum washing machine as claimed in claim 1, wherein: the rear cover of the outer barrel comprises a cover body (1) and a cover edge (2); the spraying device comprises a first spraying device (11) arranged on the inner wall surface of the cover body (1), and the spraying direction of the first spraying device (11) faces to the outer wall surface of the rear part of the inner cylinder.

3. The spraying structure of the tub rear cover of the drum washing machine as claimed in claim 2, wherein: the first spraying device (11) is arranged on the inner wall surface of the cover body (1) and is positioned right above the joint of the outer barrel and the inner barrel.

4. The spraying structure of the tub rear cover of the drum washing machine as claimed in claim 1, wherein: the spraying device also comprises a second spraying device and a third spraying device which are oppositely arranged on the cover edge (2) of the outer barrel rear cover, the second spraying device and the third spraying device are respectively arranged along the length direction of the cover edge (2), and the spraying direction is the tangential direction of the outer wall surface of the inner barrel.

5. The spraying structure of the tub rear cover of the drum washing machine as claimed in claim 4, wherein: the second and third spray devices are positioned at the left and right sides of the cover edge (2) and above the central line of the outer barrel rear cover.

6. The spraying structure of the tub rear cover of the drum washing machine as claimed in claim 1, wherein: the spraying device comprises a spraying water inlet and a spraying head, and the spraying water inlet is communicated with the water outlet of the spraying water supply channel to form a communication pipeline; a circulating water pump is arranged on the communicating pipeline; the front surface of the spray header forms a capillary spray hole.

7. The spraying structure of the tub rear cover of the drum washing machine as claimed in claim 6, wherein: the back of the spray header is provided with a concave surface, and the concave surface is matched with the shape of the outer barrel rear cover.

8. The spraying structure of the drum washing machine outer tub rear cover as claimed in any one of claims 1 to 7, characterized in that: the water inlet of the spray water supply channel is connected with the drainage system of the washing machine, so that the spray structure can utilize the drainage of the washing water to implement spraying.

9. The spraying structure of the drum washing machine outer tub rear cover as claimed in any one of claims 1 to 8, characterized in that: and a water collecting groove is formed at the bottom of the inner wall of the outer barrel rear cover, and a water discharging hole (3) is formed in the water collecting groove.

10. The spraying structure of the tub rear cover of the drum washing machine as claimed in claim 1, wherein: the spray head is formed by the outer barrel rear cover in an integrated mode.

11. A drum washing machine characterized in that the drum washing machine has a tub rear cover shower structure of any one of claims 1 to 10.