CN218291352U - Outer barrel of washing machine and drum washing machine adopting outer barrel - Google Patents

Abstract

The utility model provides a drum type washing machine of washing machine outer bucket and adoption this outer bucket, is including the closed shell that can hold the inner tube, its characterized in that: at least one side of the shell along the width direction of the shell of the washing machine is provided with a notch, the notch is provided with an end cover capable of sealing the notch, and the end cover is flexibly connected with the shell. The utility model has the advantages that: cut out the incision with outer bucket for outer bucket can expand to and the casing width equals at casing width direction's size, thereby under the unchangeable condition of washing machine's casing size, but furthest's increase inner tube's diameter promotes the inner tube volume, realizes little volume large capacity, improves washing and stoving effect.

Description

Outer barrel of washing machine and drum washing machine adopting outer barrel

Technical Field

The present invention relates to a drum washing machine, and more particularly to an outer tub of a washing machine and a drum washing machine using the same.

Background

The drum type washing machine is a mainstream type of the current market, and generally includes a cabinet, an outer tub for holding water, and an inner tub disposed inside the outer tub and rotatable to receive laundry, and performs laundry washing and dehydration by performing a rotational motion by a driving force applied to the inner tub by a driving unit.

In the washing stage of the drum washing machine, the larger the height difference formed by the inner drum is, the more forceful the clothes are beaten, and the better the washing effect is; in the dehydration stage, the larger the diameter of the inner drum is, the larger the centrifugal force generated by the clothes is, the better the dehydration effect is, and the lower the moisture content of the clothes is. However, when the drum type washing machine is operated, since the inner tub rotates at a high speed to generate a local excessive centrifugal force to the laundry to cause vibration, a random deviation phenomenon of the center of mass is inevitably caused, and the vibration caused by the inner tub is transmitted to the outside of the drum type washing machine through the outer tub and the cabinet; in order to prevent the vibration from being transmitted from the inner barrel to the machine shell through the outer barrel, the existing roller washing machine needs to be provided with a gap between the inner barrel and the outer barrel and a gap between the outer barrel and the machine shell for arranging a vibration-proof device for buffering and damping the vibration of the outer barrel so as to ensure that the washing machine has sufficient space to generate shaking displacement during high-speed rotation; therefore, under the condition of standard casing width (600 mm), the diameter of the inner cylinder of the mainstream drum washing machine (for example, the capacity is 10 kg) on the market at present is about 500mm mostly, and the diameter cannot be larger.

In order to solve the above problems, a washing machine, which is disclosed in patent No. ZL201080017293.4 invention patent "washing machine", has an outer tub fixed and a damper buffer assembly disposed between an inner tub and a cabinet. Above-mentioned patent is for enlarging the diameter of inner tube, realized that outer bucket is fixed relatively motionless (outer bucket is being supported more rigidly promptly) in order to reduce the clearance between outer bucket and the casing, although can enlarge the diameter of inner tube to a certain extent, but because the displacement volume of unavoidable inner tube vibration, still will leave about 25mm clearance between inner tube and outer bucket, its inner tube diameter can only be done to about 520mm, compare current mainstream product drum type washing machine's inner tube diameter size, it is not obvious to promote.

In addition, most of the existing drum type washing machines are not separately installed but are compliant with the existing installation environment (e.g., in a built-in environment), which requires that the size of the drum type washing machine be limited by the size of the space of the actual installation environment, which causes more difficulty in attempting to enlarge the diameter of the washing tub in the structure of the drum type washing machine.

In summary, the inner drum of the current drum washing machine is limited by various aspects such as the size of the shell, the installation structure of the shock-proof device and the like, and the diameter of the inner drum is difficult to be obviously enlarged, so that the further improvement and perfection are needed to be made on the current drum washing machine, so that the diameter of the inner drum of the washing machine can be obviously improved under the current limiting conditions, and the washing capacity and the washing rate are actually improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the first technical problem that will solve provides one kind to above-mentioned prior art current situation under the prerequisite that does not change the casing size, and the outer barrel structure of washing machine that the inner tube diameter can obtain showing and promote.

The second technical problem to be solved by the present invention is to provide a drum type washing machine with the above outer tub structure.

The utility model provides a technical scheme that above-mentioned first technical problem adopted is: the utility model provides an outer tub of washing machine, includes the confined housing that can hold the inner tube, its characterized in that: at least one side of the shell along the width direction of the shell of the washing machine is provided with a notch, the notch is provided with an end cover capable of sealing the notch, and the end cover is flexibly connected with the shell. Through set up the incision on the casing, this incision passes through end cover seal, because be flexonics between end cover and the casing, make the vibrations of end cover part and casing main part's vibrations can realize breaking away from each other, casing main part's vibrations can be avoided transmitting to the end cover through flexonics structure's shock attenuation mode, can reduce from this because whole casing vibrations and need reserve the great clearance between casing and the casing, the clearance between end cover and the casing can reduce greatly, direct together of pasting together even, therefore, the diameter of inner tube can obtain the expansion and the promotion of great degree.

In order to fully utilize the inner space of the casing and maximally increase the capacity of the inner barrel, the minimum distance between the end cover and the casing corresponding to the end cover can be preferably zero. Generally, the distance between the end cover and the casing can be greater than or equal to zero, when the distance between the end cover and the casing is zero, the end cover directly abuts against the casing, as long as a necessary gap between the outer barrel and the inner barrel is ensured when the washing machine works, the diameter of the outer barrel can be enlarged to the maximum, and correspondingly, the diameter of the inner barrel can also be maximized.

In order to reduce the vibration of the casing and ensure the tightness and reliability of the connection, the end cover may be a flexible sealing cover capable of closing the cut, and the opening size of the flexible sealing cover is matched with the opening size of the cut. Therefore, the sealing cover of the flexible structure only needs to be installed once, so that the notch sealing can be realized, the flexible connection can be realized, and the outer barrel body is prevented from being transmitted to the machine shell along with the vibration of the inner barrel during work.

For convenience of processing and assembly, it is further preferable that the end cap includes a side plate made of a hard material, the side plate is connected to the notch through a flexible connecting member, and both ends of the side plate may be fixed to the housing, respectively. The side plate made of hard materials can be fixedly connected to the shell through the end cover, assembly and disassembly are facilitated, sealing notches can be achieved, strength of the end cover is improved, the flexible connecting piece can play a certain buffering role, and vibration transmitted to the shell along with movement of the inner barrel due to the fact that the outer barrel moves is reduced.

Preferably, the flexible connecting member is an annular sealing ring which has corrugation folds and can be stretched radially, one end of the flexible connecting member is connected to the notch, and the other end of the flexible connecting member is connected to the side plate. This ring packing has compromise flexibility and joint strength, and flexible deformation and tensile can be realized to the ripple fold, has certain joint strength again simultaneously, can satisfy the installation demand in narrow space.

In order to facilitate assembly and improve connection tightness, preferably, the notch is circumferentially provided with an annular groove, the size of an opening at one end of the flexible connecting piece is matched with that of the opening of the annular groove, one end of the flexible connecting piece is embedded in the annular groove, and the notch is further provided with an annular pressing plate capable of pressing one end of the flexible connecting piece into the annular groove.

In order to realize quick installation and dismantlement, be convenient for maintenance and change, as further preferred, the inboard shaping of curb plate has the draw-in groove that can with flexible connecting piece's other end size looks adaptation, flexible connecting piece's the other end inlays to be located in this draw-in groove.

In order to effectively increase the diameter of the inner cylinder as much as possible on the premise of ensuring the strength of the outer cylinder, the corresponding central angle of the notch on the cross section of the shell is preferably at least equal to 10 degrees.

In order to further improve the strength of the outer barrel and ensure the working reliability of the outer barrel, it is further preferable that the casing is further provided with reinforcing rib plates which can increase the strength of the casing above and below the notch.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: a drum washing machine, including the casing, be provided with the inner tube that can hold the washing clothing in the casing and can drive the rotatory drive unit of this inner tube, its characterized in that: the outer barrel is further arranged in the machine shell, and the inner barrel is rotatably accommodated in the outer barrel.

Compared with the prior art, the utility model has the advantages of: the outer barrel is cut into the notch, so that the size of the outer barrel in the width direction of the shell can be enlarged to be equal to the width of the shell, and the size of the inner barrel in the width direction of the shell can be effectively enlarged by the enlargement of the outer barrel, so that the diameter of the inner barrel can be increased to the maximum extent under the condition that the size of the shell of the washing machine is not changed, the volume of the inner barrel is increased, the small volume and the large capacity are realized, and the washing and drying effects are improved; the closure of incision department adopts flexible material for the enclosure part has certain ductility and deformability, and the inner space of the outer bucket of further increase makes the lateral wall of outer bucket hug closely with the casing, thereby promotes the diameter of inner tube to the biggest, and simultaneously, flexible material can also play effectual cushioning effect, reduces on outer bucket transmits the casing along with the produced vibrations of inner tube motion.

Drawings

Fig. 1 is a schematic perspective view of a drum washing machine according to an embodiment of the present invention (with part of the outer casing removed).

Fig. 2 is a schematic view of an assembly structure of an inner barrel and an outer barrel of the drum washing machine according to the embodiment of the present invention.

Fig. 3 is a partially exploded perspective view of the drum washing machine shown in fig. 2.

Fig. 4 is a schematic perspective cross-sectional view of a drum washing machine according to an embodiment of the present invention.

Fig. 5 is an enlarged view of a portion I shown in fig. 4.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 5, the present embodiment discloses an outer tub of a washing machine and a drum washing machine implemented by using the outer tub structure.

The drum washing machine of the embodiment includes a casing 1, an outer drum, an inner drum 3, a driving unit and a damping unit are disposed in the casing 1, wherein the inner drum 3 can hold laundry, the inner drum 3 can be rotatably held in the outer drum, the driving unit is usually a motor assembly and can drive the inner drum 3 to rotate, the damping unit is disposed between the inner drum 3 and the casing 1, and the damping unit and the driving unit are related to the prior art and are not described herein.

At present, the diameter of the inner drum 3 of the drum-type washing machine is enlarged mainly by improving the damping system, such as increasing the number of the dampers, and reducing the safety clearance between the outer drums of the washing machine shell 1 and between the inner drums 3 of the outer drums by using the variable damping dampers and the like. But is limited by the current material and processing technology level, the effect of the mode on the diameter increase of the inner cylinder 3 is limited, and the breakthrough increase is difficult.

As shown in fig. 1, the tub of the present embodiment is disposed in a cabinet 1 of the washing machine, and the present embodiment sets a horizontal direction as a width W of the cabinet 1, a depth direction as a depth D of the cabinet 1, and a vertical direction as a height H of the cabinet 1; as shown in fig. 2 and 3, the outer tub includes a closed casing 2 capable of accommodating the inner tub 3, at least one side of the casing 2 along the width W direction of the casing 1 of the washing machine is provided with a notch 21, in order to facilitate assembly and to maximize the diameter of the inner tub 3, the casing 2 of the outer tub of this embodiment is provided with a notch 21 on each of two symmetrical sides of the casing 1 in the width W direction, each notch 21 is provided with an end cover capable of closing the notch 21, and the end cover and the casing 2 are flexibly connected;

the central angle corresponding to the notch 21 cannot be too small, the diameter of the inner cylinder cannot be effectively enlarged if the central angle is too small, the central angle corresponding to each notch 21 on the cross section of the shell 2 is at least equal to 10 degrees (namely, equal to or larger than 10 degrees), the larger the central angle corresponding to the notch 21 is, the larger the amplitude of the diameter of the inner cylinder can be increased, and on the premise that the strength of the outer cylinder can be ensured, the larger the central angle corresponding to the notch 21 is theoretically, the better the diameter of the inner cylinder is.

In order to reduce the vibration and ensure the strength of the outer barrel, the end cover of the present embodiment may preferably be a side plate 5 made of hard material, and the side plate 5 is fixedly arranged on the notch 21 through a flexible connecting piece 4, see fig. 4 and 5; the side plate 5 made of hard material can improve the strength of the position of the notch 21 while realizing the sealing of the notch 21, and the flexible connecting piece 4 has certain deformability, can play a certain buffering role, and reduces the vibration transmitted to the machine shell 1 along with the movement of the inner barrel 3.

Specifically, the flexible connection member 4 of this embodiment is the ring packing that has ripple fold and can radially stretch, and the one end of this flexible connection member 4 is connected on incision 21, and curb plate 5 is connected to the other end, and this ring packing has compromise flexibility and joint strength, and the ripple fold can realize flexible deformation and tensile, has certain joint strength again simultaneously, can satisfy the installation demand in narrow space.

In order to facilitate assembly and improve connection tightness, in the present embodiment, each notch 21 is circumferentially provided with an annular groove 211, an opening of one end of the flexible connecting member 4 is matched with an opening of the annular groove 211, one end of the flexible connecting member 4 is provided with a convex ring which can be embedded in the annular groove 211, and in order to improve connection reliability, each notch 21 is further provided with an annular pressure plate 6 which can press one end of the flexible connecting member 4 into the annular groove 211, see fig. 3 and 5.

In order to further realize quick installation and dismantlement, be convenient for simultaneously maintenance and change, the inboard shaping of 5 inboard of curb plates of this embodiment has the draw-in groove that can with flexible connecting piece 4's other end size looks adaptations, and flexible connecting piece 4's the other end can directly be inlayed and locate in this draw-in groove, and the assembly is very simple convenient.

Because curb plate 5 is hard material, in order to avoid the curb plate to follow outer bucket and rock, and then collide the casing and arouse vibrations, 5 both ends of curb plate of this embodiment are fixed connection usually on casing 1, for further playing buffering absorbing effect, the both ends of curb plate 5 can further set up damper, are connected to casing 1 through damper on to further reduce the vibrations that transmit on casing 1, improve the shock attenuation effect.

The end cap of this embodiment may also be a flexible sealing cap made entirely of flexible material, the opening size of which is adapted to the opening size of the cut 21. This flexible sealing cover can have ripple fold and radial tensile ring packing including the aforesaid, curb plate 5 then replaces with flexible material, this curb plate can be directly with flexible sealing washer integrated into one piece or set up to realize sealing in the other end of flexible sealing washer, the flexible sealing cover that this kind of flexible material was made only needs the installation once, both can realize that incision 21 is sealed, can realize the flexonics with casing 2 again, and then prevent that during operation outer barrel body from transmitting to casing 1 along with the vibrations of inner tube 3.

Generally, the distance between the end cover and the casing 1 may be greater than or equal to zero, and in order to fully utilize the internal space of the casing 1 and maximally increase the capacity of the inner cylinder 3, in this embodiment, the minimum distance between the end cover and the casing 1 corresponding to the end cover may be zero; when the distance between the end cover and the machine shell 1 is zero, the end cover directly supports against the machine shell 1, the diameter of the outer barrel can be enlarged to the maximum as long as the necessary gap between the outer barrel and the inner barrel 3 is ensured when the washing machine works, and correspondingly, the diameter of the inner barrel 3 can also be maximized.

The outer barrel of this embodiment has adopted preceding outer barrel 22 and back outer barrel 23 both to fix the mode mutually and assembled, in order to further strengthen the intensity of outer barrel, improves the reliability of outer barrel work, this embodiment still is provided with deep floor 7 respectively above the incision 21 of outer barrel casing 2 and below, deep floor 7 fixed connection is in the position of preceding outer barrel 22 and the handing-over of back outer barrel 23 to be located around incision 21, can strengthen the intensity of incision 21 periphery, guarantee the intensity of outer barrel.

In the embodiment, under the condition that the width W of the machine shell 1 of the washing machine is not changed, the outer barrel is cut into the notch 21, the outer barrel is divided into a moving part (a shell 2 part with the notch 21) and a fixed part (a side plate 5 part) which can move relatively, the moving part can swing along with the rotation of the inner barrel 3, the fixed part is connected to the machine shell 1, and for damping, the fixed part can be connected to the machine shell 1 through an elastic component to realize small-amplitude movement in a specific direction so as to reduce the vibration transmitted to the machine shell 1; because the minimum clearance between the fixed part and the machine shell 1 can be zero, the larger clearance between the machine shell 2 and the machine shell which needs to be reserved because the whole machine shell 2 vibrates is reduced, therefore, the size of the outer barrel can be enlarged to the maximum in the inherent size of the machine shell 1, the diameter of the inner barrel 3 is increased to the maximum extent on the premise of ensuring the clearance between the original inner barrel and the original outer barrel, and the volume of the inner barrel 3 is improved; in addition, the moving part and the fixed part are connected through the flexible connecting piece 4, and the moving part and the fixed part can be connected and sealed, vibration transmission can be reduced, and the dual purposes of sealing and shock absorption are achieved.

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

Claims (10)

1. The utility model provides a washing machine outer bucket, is including can holding close casing (2) of inner tube (3), its characterized in that: at least one side of the shell (2) along the width direction of the machine shell (1) of the washing machine is provided with a notch (21), an end cover capable of sealing the notch (21) is arranged on the notch (21), and the end cover is flexibly connected with the shell (2).

2. The tub of claim 1, wherein: the minimum distance between the end cover and the shell (1) corresponding to one side of the end cover is zero.

3. The outer tub of a washing machine according to claim 1, characterized in that: the end cover is a flexible sealing cover capable of closing the cut (21), and the size of the opening of the flexible sealing cover is matched with that of the cut (21).

4. The outer tub of a washing machine according to claim 1, characterized in that: the end cover comprises a side plate (5), the side plate (5) is connected with the notch (21) through a flexible connecting piece (4), and two ends of the side plate (5) are respectively fixed on the machine shell (1).

5. The outer tub of a washing machine according to claim 4, characterized in that: the flexible connecting piece (4) is an annular sealing ring which is provided with corrugated folds and can be stretched in the radial direction, one end of the flexible connecting piece (4) is connected to the notch (21), and the other end of the flexible connecting piece is connected to the side plate (5).

6. The outer tub of a washing machine according to claim 5, characterized in that: annular groove (211) have been seted up along circumference in incision (21), the one end opening size of flexible connecting piece (4) and the opening size looks adaptation of this annular groove (211), the one end of this flexible connecting piece (4) is inlayed and is located in this annular groove (211), still be provided with on incision (21) and compress tightly annular clamp plate (6) in this annular groove (211) with the one end of flexible connecting piece (4).

7. The outer tub of a washing machine according to claim 5, characterized in that: the inner side of the side plate (5) is formed with a clamping groove which can be matched with the size of the other end of the flexible connecting piece (4), and the other end of the flexible connecting piece (4) is embedded in the clamping groove.

8. The outer tub of a washing machine according to claim 1, characterized in that: the corresponding central angle of the cut (21) in the cross section of the shell (2) is at least equal to 10 degrees.

9. The tub of claim 1, wherein: and reinforcing rib plates (7) capable of increasing the strength of the shell (2) are respectively arranged above and below the notch (21) of the shell (2).

10. The utility model provides a drum type washing machine, includes casing (1), be provided with in casing (1) and hold inner tube (3) that wash the clothing and can drive the drive unit that this inner tube (3) rotated, its characterized in that: the washing machine outer barrel according to any one of claims 1-9 is further arranged in the machine shell (1), and the inner barrel (3) is rotatably accommodated in a closed shell (2) forming the outer barrel.

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