CN220724606U - Door assembly and washing machine - Google Patents

Abstract

The utility model provides a door assembly and a washing machine, comprising a door body, a hinge structure and a front sealing door, wherein the hinge structure is arranged on one side of the front sealing door, the door body is hinged with the front sealing door through the hinge structure, a lock catch structure is arranged on the other side of the door body, the lock catch structure is arranged to be an inclined structure relative to the central axis of the door body, an elastic piece and a damper are arranged in the hinge structure, the damper is connected with the elastic piece, when the door body is closed, the elastic piece is in a compression state, and after the lock catch structure is unlocked, the elastic piece automatically opens the door body due to the action of restoring force. The setting of elastic component realizes opening the door body automatically, and the attenuator is used for reducing the opening speed of the door body simultaneously, realizes opening the door body automatically from this, and slow opening simultaneously avoids elastic component to reply suddenly and leads to the door body to spring open too soon. And the door body is automatically opened, the arrangement of the inner side buckle of the door body is omitted, the vertical distance between the door body and the front sealing door is shortened, and the space is saved.

Description

Door assembly and washing machine

Technical Field

The utility model relates to the field of washing machines, in particular to a door assembly and a washing machine.

Background

Washing machines are common household appliances, and as the living standard of people is improved, washing machines with different sizes and different styles gradually reach the market, and the intelligent requirements of users on the washing machines are higher and higher. The convenience of the door body of the washing machine, which is an important part of the user's contact with the washing machine, is important to the user. After washing or drying is finished, the door body in the prior art is required to be manually opened by a user, the intelligence is poor, and an avoidance space for accommodating the finger to stretch in is required to be arranged on one side of the door body, so that the smoothness of the door body is influenced, and the appearance effect is further influenced. Therefore, how to solve the intelligent problem when the door body is opened is an important direction of improvement of the door body of the current washing machine.

Disclosure of Invention

In view of the above, the present utility model is directed to a door assembly and a washing machine, which solve the problem that the door body cannot be automatically opened in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a door subassembly, includes the door body, hinge structure and preceding sealing door, hinge structure sets up preceding sealing door's one side, the door body pass through hinge structure with preceding sealing door articulates, the opposite side of the door body is provided with the hasp structure, the hasp structure for the central axis of the door body sets up to the slope structure inside elastic component and the attenuator of being provided with of hinge structure, the attenuator with the elastic component is connected, when the door body is closed, the elastic component is in the state of compressing tightly, after the hasp structure unblock, the elastic component is opened automatically owing to restoring force effect the door body. The setting of elastic component realizes opening the door body automatically, and the attenuator is used for reducing the opening speed of the door body simultaneously, realizes opening the door body automatically from this, and slow opening simultaneously avoids elastic component to reply suddenly and leads to the door body to spring open too soon. And the door body is automatically opened, the arrangement of the inner side buckle of the door body is omitted, the vertical distance between the door body and the front sealing door is shortened, and the space is saved. In addition, because the hinge structure is the hinge position of the door body and the front sealing door, the elastic piece and the damper are arranged at the hinge structure rather than the lock catch position, the automatic opening is realized, the rotation speed of the door body after the automatic opening can be effectively controlled, the damage to the door body and the hinge position is reduced, and the service life and the stability of the hinge position are improved.

Further, the hinge structure comprises a first connecting piece and a second connecting piece, one end of the first connecting piece is connected with the door body, the other end of the first connecting piece is connected with the second connecting piece, the second connecting piece is connected with the front sealing door, the elastic piece and the damper are arranged at the connecting part of the second connecting piece and the first connecting piece, one end of the elastic piece is connected with the first connecting piece, and the other end of the elastic piece is connected with the damper. The damper is enabled to control the elastic piece in the compression state to be released slowly, and then the elastic piece drives the door body to be opened slowly through the first connecting piece.

Further, the first connecting piece is close to one end of the second connecting piece and is provided with a first sleeve, one end of the elastic piece is connected to the first sleeve, one end of the damper stretches into the first sleeve, the other end of the damper is located outside the first sleeve, and one end of the elastic piece, which is far away from the first sleeve, is connected to the damper. The door body is connected with the elastic piece through the first sleeve, and meanwhile, the damper is fixedly installed.

Further, the second connecting piece is arranged to be a bracket structure and is used for supporting the first connecting piece, the elastic piece and the damper.

Further, the second connecting piece comprises a lower supporting part, an upper supporting part and a supporting plate, wherein the supporting plate is of a plate-shaped or approximately plate-shaped structure, and the supporting plate is connected with the front sealing door.

Further, a first fixing cylinder is arranged on the lower supporting portion, the first fixing cylinder is of a hollow structure, and the lower portion of the first sleeve of the first connecting piece is inserted into the first fixing cylinder.

Further, the lower part of the elastic piece is sleeved on the first sleeve, and the lower part of the elastic piece is positioned outside the first fixed cylinder. The elastic piece is prevented from wearing the first fixed cylinder when the first sleeve rotates in the first fixed cylinder, and meanwhile the flexibility of the rotation of the first sleeve is guaranteed.

Further, the hinge structure further comprises a supporting member, the supporting member is arranged on the upper portion of the upper supporting portion of the second connecting member, the supporting member is connected with the upper supporting portion, and the supporting member is used for fixing the upper end of the damper. The supporting piece is matched with the lower supporting part to support and fix the first sleeve, the elastic piece and the damper.

Further, the lock catch structure comprises a door hook and a lock body, the lock body is arranged on the front sealing door, the door hook is arranged on the door body, and an included angle alpha between the door hook and the central axis of the door body is 10-70 degrees.

The door assembly of the present utility model has the following advantages over the prior art:

the automatic door body of opening is realized through the setting of elastic component, and the attenuator is used for reducing the opening speed of the door body simultaneously, realizes the automatic door body of opening from this, and the while is slowly opened, avoids elastic component to reply suddenly and leads to the door body to spring open too soon. In addition, because the hinge structure is the hinge position of the door body and the front sealing door, the elastic piece and the damper are arranged at the hinge structure rather than the lock catch position, the automatic opening is realized, the rotation speed of the door body after the automatic opening can be effectively controlled, the damage to the door body and the hinge position is reduced, and the service life and the stability of the hinge position are improved.

The utility model also provides a washing machine comprising the door assembly.

The washing machine has the same advantages as the door assembly described above with respect to the prior art, and will not be described again.

Drawings

FIG. 1 is a schematic view of a door assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic view of another view of a door assembly according to an embodiment of the present utility model;

FIG. 3 is a top view of a door assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a door and hinge according to an embodiment of the present utility model;

FIG. 5 is a top view of a door and hinge structure according to an embodiment of the present utility model;

FIG. 6 is an axial view of a hinge assembly according to an embodiment of the present utility model;

FIG. 7 is a side view of a hinge assembly according to an embodiment of the present utility model;

FIG. 8 is a cross-sectional view A-A of FIG. 7;

FIG. 9 is an exploded view of a hinge assembly according to an embodiment of the present utility model;

FIG. 10 is a schematic diagram of a front door closing assembly capable of opening a door in a left-right direction according to an embodiment of the present utility model;

FIG. 11 is a schematic diagram of a front door closing assembly capable of opening a door up and down according to an embodiment of the present utility model;

FIG. 12 is a schematic view of a washing machine in which a door body is in a closed state according to an embodiment of the present utility model;

fig. 13 is a schematic view of a washing machine in which a door body is opened according to an embodiment of the present utility model;

FIG. 14 is an exploded view of a door according to an embodiment of the present utility model;

FIG. 15 is a schematic view illustrating an assembly of a door outer ring and an anti-burn cover according to an embodiment of the present utility model;

FIG. 16 is a schematic view of an anti-scalding cover according to an embodiment of the present utility model;

FIG. 17 is a schematic view of a door outer ring according to an embodiment of the present utility model;

fig. 18 is a schematic view of a door inner ring according to an embodiment of the utility model.

Reference numerals illustrate:

1-door body, 11-door inner ring, 112-second connecting hole, 113-second flange, 12-burn-proof cover, 121-first flange, 122-first engaging portion, 13-door glass, 14-decorative ring, 141-first hook, 15-door outer ring, 151-mounting groove, 152-first fastening portion, 153-first connecting hole, 154-first fastening hole, 16-display module, 2-hinge structure, 21-elastic member, 22-damper, 23-first connecting member, 231-first sleeve, 24-second connecting member, 241-first fixing cylinder, 242-lower supporting portion, 243-upper supporting portion, 244-first fixing portion, 245-supporting plate, 25-supporting member, 251-second fixing cylinder, 252-second fixing portion, 3-locking structure, 31-door hook, 4-front seal door, 5-front housing, 6-rear housing

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. In addition, the following description will be briefly made with respect to the azimuth in the following embodiments: references in the examples to directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "top", "bottom", etc., refer to the orientation or positional relationship shown in the drawings, and the term "on …" refers to being directly or indirectly supported by … elements.

It should be noted that, in the description of the present utility model, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless otherwise explicitly specified and defined; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1 to 18, a door assembly for a washing machine includes a door body 1, a hinge structure 2 and a front sealing door 4, wherein the hinge structure 2 is disposed at one side of the front sealing door 4, the door body 1 is hinged with the front sealing door 4 through the hinge structure 2, a latch structure 3 is disposed at the other side of the door body 1, an elastic member 21 and a damper 22 are disposed inside the hinge structure 2, the damper 22 is connected with the elastic member 21, when the door body 1 is closed, the elastic member 21 is in a compressed state, after the latch structure 3 is unlocked, the elastic member 21 automatically opens the door body 1 due to a restoring force, and the damper 22 is used for reducing an opening speed of the door body 1, thereby realizing automatic opening of the door body, and simultaneously slowly opening, so as to avoid the elastic member suddenly returning to cause the door body to spring open too fast. In addition, because the hinge structure is the hinge position of the door body and the front sealing door, the elastic piece and the damper are arranged at the hinge structure rather than the lock catch position, the automatic opening is realized, the rotation speed of the door body after the automatic opening can be effectively controlled, the damage to the door body and the hinge position is reduced, and the service life and the stability of the hinge position are improved.

Specifically, the hinge structure 2 includes a first connecting member 23 and a second connecting member 24, wherein one end of the first connecting member 23 is connected to the door body 1, the other end of the first connecting member 23 is connected to the second connecting member 24, and the second connecting member 24 is connected to the front door 4. Further, the first connecting piece 23 is provided with an arc-shaped structure, so that the door body can be opened in a rotating way.

Wherein, the elastic member 21 and the damper 22 are disposed at the connection portion between the second connecting member 24 and the first connecting member 23, one end of the elastic member 21 is connected with the first connecting member 23, and the other end of the elastic member 21 is connected with the damper 22, so that the damper 22 controls the elastic member 21 in a compressed state to be slowly released, and the elastic member 21 drives the door body to be slowly opened through the first connecting member 23.

Further, one end of the first connecting piece 23 is connected with the door body through a screw or other common connecting pieces, one end of the first connecting piece 23, which is close to the second connecting piece 24, is provided with a first sleeve 231, one end of the elastic piece 21 is connected to the first sleeve 231, one end of the damper 22 extends into the first sleeve 231, the other end of the damper 22 is located outside the first sleeve 231, one end, which is far away from the first sleeve 231, of the elastic piece 21 is connected to the damper 22, the door body is connected with the elastic piece through the arrangement of the first sleeve 231, and meanwhile, the fixed installation of the damper is achieved. Preferably, the first sleeve 231 and the first connecting member 23 may be integrally formed, so as to avoid loosening of the hinge structure when the door body is frequently rotated.

Further, the elastic member 21 may be configured as a torsion spring, and the position of the torsion spring near one end is sleeved on the first sleeve 231, and the position of the torsion spring near the other end is sleeved on the damper 22.

The second link 24 is provided as a bracket structure for supporting the first link 23, the elastic member 21, and the damper 22. Specifically, the second connecting member 24 includes a lower support portion 242, an upper support portion 243, and a support plate 245, the support plate 245 being provided in a plate-like or approximately plate-like structure, the support plate 245 being connected with the front door 4. The lower support portion 242 and the upper support portion 243 are respectively located at or near the upper and lower ends of the support plate 245, the lower support portion 242 and the upper support portion 243 are perpendicular to the support plate 245, and the lower support portion 242 and the upper support portion 243 are parallel, and a space between the lower support portion 242 and the upper support portion 243 is used for accommodating the first sleeve, the elastic member and the damper structure.

Specifically, a first fixing cylinder 241 is disposed on the lower supporting portion 242, the first fixing cylinder 241 is disposed at one end of the lower supporting portion far away from the supporting plate 245, the first fixing cylinder 241 is of a hollow structure, the lower portion of the first sleeve 231 is inserted into the first fixing cylinder 241, the lower portion of the first connecting piece is fixedly connected with the second connecting piece, and the first connecting piece can rotate relative to the second connecting piece through the first sleeve. Further, the lower portion of the elastic member 21 is sleeved on the first sleeve 231, and the lower portion of the elastic member 21 is located outside the first fixed cylinder 241, so that abrasion of the elastic member to the first fixed cylinder when the first sleeve 231 rotates inside the first fixed cylinder 241 is avoided, and meanwhile flexibility of rotation of the first sleeve is guaranteed. Further, a first fixing portion 244 is provided on the outer wall of the first fixing barrel 241, for fixing the lower end of the elastic member 21, so as to prevent the elastic member 21 from losing the automatic restoring force due to the rotation of the elastic member 21 together with the first sleeve. Preferably, the first fixing portion 244 is configured as a fixing groove or a fixing hole structure, so that the end of the elastic member can be fixed by extending into the fixing groove.

As part of the embodiment of the present utility model, the hinge structure 2 further includes a supporting member 25, the supporting member 25 is disposed at an upper portion of the upper supporting portion 243, the supporting member 25 is connected to the upper supporting portion 243, the supporting member 25 is used for fixing an upper end of the damper 22, and the supporting member 25 cooperates with the lower supporting portion 242 to support and fix the first sleeve, the elastic member and the damper.

Specifically, the support 25 includes a second fixed cylinder 251 and a second fixed portion 252, wherein the second fixed cylinder 251 is disposed at a position coaxial with the first fixed cylinder 241, and the tip of the damper 22 is inserted and mounted inside the second fixed cylinder 251, thereby achieving top fixation of the damper. Further, a second fixing portion 252 is provided at the outside of the second fixing cylinder 251, and the second fixing portion 252 is used to fix the top end of the elastic member.

As part of the embodiments of the present utility model, the following description is made of the process of fitting the components of the door assembly when in the open and closed states:

when the door body is rotated and closed, the second connecting piece 24 and the supporting piece 25 are connected with the front sealing door and kept still, the first connecting piece 23 rotates along with the door body 1, meanwhile, the elastic piece 21 sleeved on the first sleeve 231 and the damper 22 partially installed in the first sleeve 231 rotate along with the first connecting piece 23, and as the tail end of the elastic piece is fixed, but the middle part of the elastic piece rotates along with the first connecting piece, the elastic piece 21 is gradually compressed to store elastic energy, when the door body is closed in place, the elastic piece 21 is in a compressed state, and meanwhile, the locking structure 3 at the other side of the door body 1 is locked, so that the door body is tightly closed.

When washing or drying operation is completed and the lock catch structure is unlocked, the external force at one end of the door body 1 close to the lock catch structure is relieved, the elastic element starts to push the door body 1 to open automatically due to the action of restoring force, and meanwhile, the rotation speed of the damper is slowed down due to the viscous action of internal grease, and then the elastic element is driven to slow down the release speed, so that the door body is opened automatically and slowly.

As shown in fig. 1 to 5 and 12 to 13, the door body is of an automatic flick type structure, and the door body does not need to be opened manually, so that the outer edge of one side of the door body 1 close to the front sealing door 4 is of a smooth transition arc structure, the front shell 5 covers the outer side of the front sealing door 4, the outer edge of one side of the door body 1 close to the front shell 5 is of a smooth transition arc structure, correspondingly, a sinking opening is arranged at a position of the front shell 5 corresponding to the door body 1, the edge of the sinking opening is also of a smooth transition, and the shape of the sinking opening is matched with the shape of the outer edge of one side of the door body 1 close to the front shell 5. The smooth transition setting of internal side of door has omitted the cavity that holds the finger and stretch into for when the door body is in the closed state, the cooperation position of door body and procapsid forms compact, tight structure, omits the design at buckle hand position, reduces pit, black hole from the vision, makes the whole outward appearance of door body pleasing to the eye, mellow and smooth.

Specifically, as shown in fig. 14 to 18, the door body 1 includes a door inner ring 11, a door outer ring 15, and an anti-scalding cover 12, wherein the door inner ring 11 is disposed at a side close to the front door 4, the anti-scalding cover 12 is disposed at a side far away from the front door 4, the door outer ring 15 is disposed between the door inner ring 11 and the anti-scalding cover 12, wherein the door inner ring 11 is disposed with an inward convex arc toward a side of the front door 4, and the corresponding front housing 5 is disposed with an inward concave arc. Further, the part of the inner door ring 11, which is towards one side of the front sealing door 4 and is close to the axle center, is arranged to be inwards convex, and the part of the inner door ring 11, which is towards one side of the front sealing door 4 and is close to the edge, is outwards arc-shaped to extend, so that the whole part of the inner door ring 11, which is towards one side of the front sealing door 4, forms a smooth transition arc-shaped structure.

Further, the outer edge of the anti-scalding cover 12 is also provided with an outwards convex arc structure with smooth transition, and the anti-scalding cover 12 forms the outermost structure of the door body, so that the door body is round in appearance.

Further, the door inner ring 11 is arranged to be of an annular structure, the middle part of the door inner ring 11 is arranged to be of a hollow structure, the door glass 13 is connected to the hollow structure, the door glass 13 is arranged on the basis of sealing an electronic control element in the door body, a visible opening can be formed, and the washing condition of the underwear can be observed conveniently.

The door outer ring 15 is arranged between the door inner ring 11 and the anti-scalding cover 12, the display module 16 and the electric control element are arranged on the door outer ring 15, meanwhile, the display module 16 and the electric control element on the door outer ring 15 are protected and supported through the arrangement of the door inner ring 11 and the anti-scalding cover 12, and the electric control element is directly arranged on the door body, so that the front panel structure is omitted, the washing machine is directly transited from the front shell to the door body in appearance, and the structure is compact.

The door body 1 further comprises a decorative ring 14, wherein the decorative ring 14 is arranged at the edge of the door body 1 and used for covering and sealing the outer edges of the door inner ring 11, the door outer ring 15 and the anti-scalding cover 12, dust is prevented from falling in, sharp edges of the door body are prevented from being exposed outside, and the buckling connection parts of the door inner ring 11, the door outer ring 15 and the anti-scalding cover 12 are covered, so that the effect of attractive decoration is achieved.

Wherein, set up mounting groove 151 on door outer lane 15, corresponding, the outer circumference of preventing scalding cover 12 sets up first turn-ups 121, and first turn-ups 121 stretch into inside mounting groove 151, prevent scalding cover 12 and be connected with door outer lane 15 through first turn-ups 121 and mounting groove 151. The first flange 121 protrudes and extends in a direction approaching the door outer ring 15, a first clamping portion 122 is arranged on the first flange 121, a first clamping portion 152 is arranged in the mounting groove 151, the first clamping portion 122 is connected with the first clamping portion 152, and connection stability of the door outer ring 15 and the protective cover 12 is guaranteed. Preferably, the engaging portion may be disposed in the mounting groove, and the buckle may be disposed on the first flange. The first engaging portions 122 are provided in plurality, the first engaging portions 122 are provided along the first flange 121 on the outer circumference of the burn-proof cover 12, and correspondingly, the first engaging portions 152 are provided in plurality, and after the first flange 121 extends into the mounting groove 151, the first engaging portions 152 are engaged with the first engaging portions 122, so that the burn-proof cover 12 is prevented from being separated from the door outer ring 15.

A plurality of first connection holes 153 are formed in the door outer ring 15, and a plurality of second connection holes 112 are correspondingly formed in the door inner ring 11, and the door outer ring 15 is fixedly connected with the door inner ring 11 through the first connection holes 153 and the second connection holes 112. The first connecting hole 153 penetrates through the door outer ring 15, and the first connecting hole 153 forms a screw column on one side of the door outer ring 15 facing the door inner ring 11, correspondingly, the second connecting hole 112 also forms a screw column on one side of the door inner ring 11 facing the door outer ring 15, so that the door outer ring 15 or the door inner ring 11 is prevented from being damaged when screws pass through the first connecting hole and the second connecting hole, and meanwhile, one side surface of the door inner ring 11 facing the front sealing door is smooth and has no exposed screw hole.

Further, a second flange 113 is arranged at the outer edge of the door inner ring 11, the second flange 113 protrudes and extends towards the direction close to the door outer ring 15, the second flange 113 is at least partially wrapped at the outer edge of the door outer ring 15, the door inner ring 11 and the door outer ring 15 are assembled and guided, and meanwhile the second flange 113 enables the door inner ring to form a smooth radian structure with an inward convex center.

The inner side of the decorative ring 14 is provided with a first clamping hook 141, correspondingly, the edge of the door outer ring 15 is provided with a first clamping hole 154, and the decorative ring stretches into the first clamping hole 154 of the door outer ring 15 through the first clamping hook 141 and is hooked at the edge of the first clamping hole 154, so that the decorative ring 14 is fixedly installed. Preferably, a plurality of first hooks 141 may be disposed around the circumferential direction of the device ring 14, and a plurality of corresponding first fastening holes 154 are also disposed, so as to avoid the partial tilting of the decorative ring.

As a part of the embodiment of the present utility model, as shown in fig. 10 to 11, the hinge structure described in the present embodiment may be provided on the left side or the right side of the front door 4, forming a structure of opening the door in the left-right direction; the hinge structure may be provided on the upper side or the lower side of the front door 4 to form a structure for opening the door in the up-down direction. The latch structure 3 is arranged opposite to the hinge structure 2, i.e. when the hinge structure is arranged on the left side or the right side of the front door 4, the latch structure 3 is arranged on the right side or the left side of the front door 4; when the hinge structure is provided at the upper side or the lower side of the front door 4, the latch structure 3 is provided at the lower side or the upper side of the front door 4.

As a part of the embodiment of the utility model, the locking structure 3 is arranged to be an inclined structure relative to the central axis of the door body, so that the vertical distance between the door body and the barrel assembly is reduced, and the space is further saved. Specifically, the latch structure 3 includes a door hook 31 and a lock body 32, wherein the lock body 32 is mounted on the front door 4, the door hook 31 is mounted on the door body 1, and preferably, the door hook 31 is mounted on the door inner ring 11.

Further, as shown in fig. 5 to 6, the angle α between the door hook 31 and the central axis of the door body is 10 ° to 70 °, and preferably, the angle between the door hook 31 and the central axis of the door body is 25 ° to 45 °.

As part of an embodiment of the present utility model, as shown in fig. 12 to 13, the present utility model also provides a washing machine including the above-described door assembly. The door subassembly sets up the front side at barrel subassembly and casing subassembly, the casing subassembly includes preceding casing 5 and back casing 6, and preceding casing 5 is located the front side of back casing 6, and preceding casing 5 covers preceding sealing door 4 for molded lines and hasp structure on the preceding sealing door 4 are in the hidden state, make washing machine outward appearance whole pleasing to the eye. The door assembly according to the embodiment can also be arranged on a clothes dryer or a washing and drying integrated machine, and preferably, the door assembly is used for a small-drum desk washing machine or a small-drum desk washing and drying integrated machine.

Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.

Claims (10)

1. The utility model provides a door assembly, includes door body (1), hinge structure (2) and preceding sealing door (4), hinge structure (2) set up one side of preceding sealing door (4), door body (1) pass through hinge structure (2) with preceding sealing door (4) are articulated, the opposite side of door body (1) is provided with hasp structure (3), a serial communication port, hasp structure (3) set up for tilting structure for the central axis of door body (1) inside be provided with elastic component (21) and attenuator (22) hinge structure (2), attenuator (22) with elastic component (21) are connected, when door body (1) are closed, elastic component (21) are in the state of compressing tightly, after hasp structure (3) unblock, elastic component (21) are owing to restoring force effect automatic opening door body (1).

2. Door assembly according to claim 1, characterized in that the hinge structure (2) comprises a first connecting piece (23) and a second connecting piece (24), one end of the first connecting piece (23) is connected with the door body (1), the other end is connected with the second connecting piece (24), the second connecting piece (24) is connected with the front door (4), the elastic piece (21) and the damper (22) are arranged at the connection part of the second connecting piece (24) and the first connecting piece (23), one end of the elastic piece (21) is connected with the first connecting piece (23), and the other end of the elastic piece (21) is connected with the damper (22).

3. The door assembly according to claim 2, wherein the first connecting member (23) is provided with a first sleeve (231) near one end of the second connecting member (24), one end of the elastic member (21) is connected to the first sleeve (231), one end of the damper (22) extends into the first sleeve (231), the other end of the damper (22) is located outside the first sleeve (231), and one end of the elastic member (21) away from the first sleeve (231) is connected to the damper (22).

4. Door assembly according to claim 2, wherein the second connection member (24) is provided as a bracket structure for supporting the first connection member (23), the elastic member (21) and the damper (22).

5. Door assembly according to claim 2, wherein the second connection piece (24) comprises a lower support part (242), an upper support part (243) and a support plate (245), the support plate (245) being provided in a plate-like or approximately plate-like structure, the support plate (245) being connected with the front door (4).

6. The door assembly according to claim 5, wherein a first fixing cylinder (241) is provided on the lower support portion (242), the first fixing cylinder (241) is provided in a hollow structure, and a lower portion of the first sleeve (231) of the first connector (23) is inserted into the first fixing cylinder (241).

7. The door assembly according to claim 6, wherein a lower portion of the elastic member (21) is sleeved on the first sleeve (231), and the lower portion of the elastic member (21) is located outside the first fixed cylinder (241).

8. The door assembly according to claim 2, wherein the hinge structure (2) further comprises a support member (25), the support member (25) being provided on an upper portion of an upper support portion (243) of the second connection member (24), and the support member (25) being connected to the upper support portion (243), the support member (25) being for fixing an upper end of the damper (22).

9. Door assembly according to claim 1, characterized in that the latch structure (3) comprises a door hook (31) and a lock body (32), the lock body (32) is mounted on the front door (4), the door hook (31) is mounted on the door body (1), and the angle α between the door hook (31) and the central axis of the door body (1) is 10 ° to 70 °.

10. A washing machine comprising a door assembly as claimed in any one of claims 1 to 9.