CN107237083B - Pulsator washing machine and door cover assembly of pulsator washing machine - Google Patents
Pulsator washing machine and door cover assembly of pulsator washing machine Download PDFInfo
- Publication number
- CN107237083B CN107237083B CN201610189346.XA CN201610189346A CN107237083B CN 107237083 B CN107237083 B CN 107237083B CN 201610189346 A CN201610189346 A CN 201610189346A CN 107237083 B CN107237083 B CN 107237083B
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- door cover
- shaft core
- damping
- damping sleeve
- cover assembly
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
- D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/12—Casings; Tubs
- D06F39/14—Doors or covers; Securing means therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention discloses a pulsator washing machine and a door cover assembly thereof, wherein the door cover assembly comprises: the door cover comprises a workbench, a door cover body and a damper, wherein a workbench is provided with a workbench opening; the door cover body is pivotally arranged on the workbench to open and close the working opening; the damper comprises a shaft core and a damping sleeve, wherein the shaft core is connected with the workbench, and the damping sleeve is connected with the door cover body and sleeved on the shaft core so as to pivot relative to the shaft core under the drive of the door cover body and form damping force through friction between the inner peripheral surface of the damping sleeve and the outer peripheral surface of the shaft core. According to the door cover assembly, the shaft core is connected with the workbench, the damping sleeve is connected with the door cover body and sleeved on the shaft core, so that the damping sleeve is driven by the door cover body to pivot relative to the shaft core, and damping force is formed by friction between the inner peripheral surface of the damping sleeve and the outer peripheral surface of the shaft core, so that the door closing speed can be reduced, the door cover body is prevented from being damaged, and noise is reduced.
Description
Technical Field
The invention relates to the technical field of washing machines, in particular to a door cover assembly of a pulsator washing machine and the pulsator washing machine with the door cover assembly.
Background
The pulsator washing machine in the related art is heavy in the door cover body, and in the door closing process, under the action of gravity, the falling speed of the door cover is high, so that the impact sound is high, the door cover body is easy to damage, and the door cover body can be clamped to fingers of a user sometimes, so that the use safety is poor.
Disclosure of Invention
The present application is made based on the discovery and recognition by the inventors of the following facts and problems: in order to slow down the falling speed of the door cover, an oil type damper is installed on the related art washing machine, which can generate a damping force and slow down the falling speed of the door cover to a certain extent. However, due to the defect of the oil structure, a certain clearance angle exists in the oil principle damper, after the door cover is lifted to a certain angle, damping can be generated in the falling process, the door cover still can fall rapidly in the range of the clearance angle, the effect of slowing down the falling of the door cover is not ideal, and potential safety hazards still exist; meanwhile, as the oil is greatly influenced by temperature, the damping performance of the oil can be obviously influenced along with the rise and the reduction of the temperature, and particularly when the temperature reaches about 35 degrees, the damping force of the oil can be very small, so that the damping function effect is very bad.
In view of this, the inventor of this application has designed a door closure assembly of attenuator with new construction, and the attenuator on this door closure assembly does not receive temperature and door closure opening angle's influence, slows down the door closure effectual, can get rid of the temperature influence and eliminate attenuator idle angle defect.
The present invention aims to solve at least one of the above-mentioned technical problems in the related art to some extent. Therefore, the invention provides the door cover assembly of the pulsator washing machine, which can slow down the door closing speed, has low door closing noise and higher use safety.
In addition, the invention also discloses a pulsator washing machine with the door cover assembly.
The door cover assembly of pulsator washing machine according to the present invention includes: the workbench is provided with a working opening; the door cover body is pivotally arranged on the workbench to open and close the working opening; the damper comprises a shaft core and a damping sleeve, wherein the shaft core is connected with the workbench, the damping sleeve is connected with the door cover body and sleeved on the shaft core, and the damping sleeve is driven by the door cover body to pivot relative to the shaft core and is rubbed between the inner peripheral surface of the damping sleeve and the outer peripheral surface of the shaft core to form damping force.
According to the door cover assembly provided by the embodiment of the invention, the shaft core is connected with the workbench, the damping sleeve is connected with the door cover body and sleeved on the shaft core, so that the damping sleeve is driven by the door cover body to pivot relative to the shaft core, and the damping force is formed by friction between the inner peripheral surface of the damping sleeve and the outer peripheral surface of the shaft core, so that the door closing speed can be slowed down, the door cover body is prevented from being damaged, the noise is reduced, the damping force is formed by friction, the influence of temperature and the door cover opening angle can be avoided, the damping effect is good, and the use safety is higher.
In addition, the door cover assembly of the pulsator washing machine according to the above embodiment of the present invention may have the following additional technical features:
according to some embodiments of the invention, the mandrel comprises: the damping sleeve is sleeved on the shaft core body, and at least one part of the damping force is formed by friction between the inner peripheral surface of the damping sleeve and the outer peripheral surface of the shaft core body; the fixing part is arranged at one end of the shaft core body and is connected with the workbench; the fixing piece is sleeved on the shaft core body and is arranged at intervals with the fixing part, and the shaft core body is supported by the fixing piece.
Optionally, the mandrel further comprises: the annular flange is arranged on the outer peripheral surface of the shaft core body and is positioned between the fixing part and the fixing piece, and the fixing piece is stopped between the damping sleeve and the annular flange.
Optionally, the fixing piece is pivotally sleeved on the shaft core body, a positioning groove extending along the axial direction of the fixing piece is formed in the fixing piece, a positioning pin extending along the axial direction of the damping sleeve is arranged on the damping sleeve, and the positioning pin is inserted in the positioning groove.
Optionally, the door cover assembly further comprises: the fixed support is arranged on the workbench, a fixed hole is formed in the fixed support, the fixed portion is formed into a fixed pin, and the fixed pin is inserted into the fixed hole.
Further, the workbench is provided with a downward concave mounting groove, and the fixing support and the damper are arranged in the mounting groove.
Optionally, the damper further includes: the damping shell is connected with the door cover body and the damping sleeve, an accommodating cavity is defined in the damping shell, the damping sleeve and the shaft core are arranged in the accommodating cavity, and the fixing part extends out of the damping shell.
Further, the damping shell is connected with the door cover body in a clamping mode.
Further, a buckle and a first positioning part are arranged on the outer side face of the damping shell, and a buckling position matched with the buckle and a second positioning part matched with the first positioning part are arranged on the door cover body.
Optionally, a connection convex part is arranged on the damping sleeve, and a connection concave part matched with the connection convex part is arranged on the damping shell.
Optionally, the mandrel further comprises: the baffle plate is sleeved on the shaft core body and located between the annular flange and the fixing pin, and is arranged in the accommodating cavity and abuts against the inner side face of the damping shell.
Optionally, an angle limiting part is arranged on the fixing piece, an angle matching part is arranged on the damping shell, and the angle limiting part is matched with the angle matching part when the fixing piece pivots to a preset angle so as to limit the pivoting of the fixing piece.
According to some embodiments of the invention, the outer circumferential surface of the damping sleeve is provided with through grooves, and the through grooves respectively penetrate through the damping sleeve along the axial direction and the radial direction of the damping sleeve.
The pulsator washing machine comprises the door cover assembly according to the embodiment of the invention.
According to the pulsator washing machine provided by the embodiment of the invention, due to the arrangement of the door cover assembly provided by the embodiment of the invention, the door closing speed can be reduced, the door cover body is prevented from being damaged, and the noise is reduced.
Drawings
FIG. 1 is a schematic structural view of a door cover assembly according to an embodiment of the present invention;
FIG. 2 is a schematic view of a damper of a door cover assembly according to an embodiment of the present invention;
FIG. 3 is a perspective view of a stationary bracket of a door cover assembly according to an embodiment of the present invention;
fig. 4 is a perspective view of a portion of the structure of a damper of a door cover assembly according to an embodiment of the present invention.
Reference numerals:
100: a door cover assembly;
1: a work table; 2: a door cover body; 3: a damper; 4: a shaft core; 5: a damping sleeve; 6: a damping shell; 7: a fixed bracket;
11: a mounting groove; 41: a shaft core body; 42: a fixing part; 43: a fixing piece; 44: an annular flange; 45: a baffle; 51: a positioning pin; 52: a connection protrusion; 53: a through groove; 61: a buckle; 62: a first positioning portion; 71: a fixing hole;
431: a positioning groove; 432: and an angle limiting part.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
A door cover assembly 100 of a pulsator washing machine in accordance with an embodiment of the present invention is described in detail with reference to fig. 1 to 4. The up-down direction is the up-down direction of the door assembly 100 when the door assembly is in normal use.
As shown in fig. 1, a door assembly 100 according to an embodiment of the present invention may include a table 1, a door body 2, and a damper 3. Wherein, workstation 1 can install on pulsator washing machine, can be equipped with the working opening on the workstation 1, and the clothing that waits to wash can put into pulsator washing machine from the working opening and wash. The door cover body 2 is pivotally provided on the table 1 to open and close the working opening, so that the pulsator washing machine can be conveniently opened or closed.
As shown in fig. 2 and 4, the damper 3 may include a shaft core 4 and a damping sleeve 5, the shaft core 4 may be connected to the workbench 1, the damping sleeve 5 may be connected to the door cover body 2, the damping sleeve 5 may be sleeved on the shaft core 4 to pivot relative to the shaft core 4 under the driving of the door cover body 2, and friction may be generated between an inner circumferential surface of the damping sleeve 5 and an outer circumferential surface of the shaft core 4, so as to form a damping force, thereby reducing a door closing speed, avoiding an impact due to a rapid falling speed of the door cover body 2, and simultaneously, friction between the damping sleeve 5 and the shaft core 4 is not affected by temperature, so that not only the probability of damage of the door cover body 2 may be reduced, but also the noise may be reduced, and the cost may be reduced.
According to the door cover assembly 100 of the embodiment of the invention, the shaft core 4 is connected with the workbench 1, the damping sleeve 5 is connected with the door cover body 2 and sleeved on the shaft core 4, so that the damping sleeve 5 is driven by the door cover body 2 to pivot relative to the shaft core 4, and damping force is formed by friction between the inner peripheral surface of the damping sleeve 5 and the outer peripheral surface of the shaft core 4, thereby reducing the door closing speed, avoiding damage to the door cover body 2 and reducing noise.
According to some embodiments of the invention, as shown in fig. 4, the mandrel 4 may comprise: the shaft core body 41, the fixing portion 42 and the fixing piece 43. Specifically, the shaft core body 41 may be a solid member or a hollow member, the damping sleeve 5 may be sleeved on the shaft core body 41, and a damping force may be formed by friction between an inner peripheral surface of the damping sleeve 5 and an outer peripheral surface of the shaft core body 41. The fixing portion 42 may be provided at one end of the shaft body 41, and the fixing portion 42 may be connected to the table 1 to fix the shaft 4 to the table 1. The fixed piece 43 can be sleeved on the shaft core body 41, and the fixed piece 43 and the fixed part 42 can be arranged at intervals, the fixed piece 43 can support the shaft core body 41, the stability of the shaft core body 41 is improved, and the damper 3 can normally work in the door closing process.
Optionally, the shaft core 4 may further include: the annular flange 44, as shown in fig. 4, the annular flange 44 may be provided on the outer circumferential surface of the shaft core body 41, the annular flange 44 may be provided coaxially with the shaft core body 41, and the annular flange 44 may be located between the fixing portion 42 and the fixing piece 43, and the fixing piece 43 may be stopped between the damping sleeve 5 and the annular flange 44 so that the fixing portion 42 and the fixing piece 43 are spaced apart by a certain distance, improving the firmness of the installation of the shaft core 4, and simultaneously positioning the damping sleeve 5 in the axial direction.
Like this, the outer peripheral face of damping cover 5 and axle core 4 can be mechanical interference structure in the in-process of closing the door, and when damping cover 5 rotated, produce strong friction between the inner peripheral face of damping cover 5 and the outer peripheral face of axle core body 41, frictional force is the reverse damping force of door closure body 2 whereabouts in-process to slow down the door closing velocity, prevent door closure body 2 and workstation 1 from taking place the collision.
Alternatively, the fixing piece 43 may be pivotally sleeved on the shaft core body 41, the fixing piece 43 may be provided with a positioning groove 431 extending along an axial direction of the fixing piece 43, the damping sleeve 5 may be provided with a positioning pin 51 extending along an axial direction of the damping sleeve 5, and the positioning pin 51 may be inserted into the positioning groove 431. Therefore, on one hand, the fixing piece 43 can be positioned on the damping sleeve 5 through the matching of the positioning groove 431 and the positioning pin 51, so that the fixing piece 43 can synchronously pivot with the damping sleeve 5, and on the other hand, when the door cover body 2 drives the damping sleeve 5 to rotate, friction can be formed between the fixing piece 43 and the shaft core body 41, and damping force can also be formed, so that the door closing speed can be further slowed down.
In addition, one end of the fixing piece 43 can be axially positioned by the shaft shoulder and the damping sleeve 5, and annular flanges 44 with different lengths can be designed according to the magnitude of the torsion value during actual manufacturing, so that the positions of the fixing piece 43 on the shaft core body 41 are different, and the interference surface between the damping sleeve 5 and the shaft core body 41 can be adjusted to realize the control of the damping force.
According to some embodiments of the present invention, as shown in fig. 1 and 3, the door cover assembly 100 may further include: the fixed bolster 7, fixed bolster 7 can establish on workstation 1, can be equipped with fixed orifices 71 on the fixed bolster 7, and fixed part 42 can be formed into the fixed pin, and the fixed pin can be inserted and establish in fixed orifices 71 to can make the axle core 4 fix a position on workstation 1, prevent that damping cover 5 and axle core 4 from wearing and driving axle core 4 and rotating when rubbing, improve reliability and stability.
Alternatively, the fixing bracket 7 may be fixed to the table 1 by screws to further improve stability and reliability between the fixing bracket 7 and the table 1.
Optionally, the workbench 1 may be provided with a mounting groove 11 recessed downward, and the fixing bracket 7 and the damper 3 may be provided in the mounting groove 11, so that not only can assembly be facilitated, but also aesthetic properties can be improved.
According to some embodiments of the present invention, as shown in fig. 2, the damper 3 may further include a damper housing 6, the damper housing 6 may be connected to the door cover body 2 and the damper housing 5, a receiving cavity may be defined in the damper housing 6, the damper housing 5 and the shaft core 4 may be disposed in the receiving cavity, so that the damper housing 6 may be used to protect the damper housing 5 and the shaft core 4 from foreign substances, reduce a probability of damage of the shaft core 4 and the damper housing 5, and the fixing portion 42 may protrude from the damper housing 6 to facilitate connection of the fixing portion 42 with the fixing bracket 7.
Optionally, the damping shell 6 and the door cover body 2 can be connected in a clamping way, so that the structure is simple and compact, and the installation is convenient. Further, as shown in fig. 2, a buckle 61 and a first positioning portion 62 may be provided on an outer side surface of the damping shell 6, and a buckle position (not shown) engaged with the buckle 61 and a second positioning portion (not shown) engaged with the first positioning portion 62 may be provided on the door cover body 2. Therefore, the damper 3 can be positioned on the door cover body 2 by utilizing the matching of the buckle 61 and the buckling position and the matching of the first positioning part 62 and the second positioning part, so that the freedom degree of the damper 3 in the axial direction and the radial direction relative to the door cover body 2 is limited, the damper 3 can work normally, and the closing speed is slowed down.
According to some embodiments of the present invention, as shown in fig. 4, a connection protrusion 52 may be provided on the damping sleeve 5, and a connection recess (not shown) that mates with the connection protrusion 52 may be provided on the damping shell 6, after the connection protrusion 52 mates with the connection recess, the damping sleeve 5 may be connected to the damping shell 6, and when the door cover body 2 drives the damping shell 6 to rotate, the door cover body may drive the damping sleeve 5 to rotate, so that the structure is simple, the connection is reliable, and the cost is low.
In some embodiments of the invention, the mandrel 4 may further comprise: the baffle 45, as shown in fig. 4, may be sleeved on the shaft core body 41, and the baffle 45 may be located between the annular flange 44 and the fixing pin to stop the shaft core body 41, so as to prevent external impurities from entering between the shaft core body 41 and the damping sleeve 5 from a position adjacent to the fixing pin, and the baffle 45 may be disposed in the accommodating cavity and may stop against the inner side surface of the damping shell 6, so as to improve stability and safety.
According to some embodiments of the present invention, as shown in fig. 4, an angle limiting part 432 may be provided on the fixing piece 43, an angle matching part (not shown in the drawings) may be provided on the damping shell 6, and the angle limiting part 432 may be matched with the angle matching part when the fixing piece 43 is pivoted to a predetermined angle, so as to limit the pivoting of the fixing piece 43, thereby preventing the door cover body 2 from rotating excessively when the door is opened and closed, further reducing the probability of collision, and eliminating the empty angle defect in the related art, so that the whole door is provided with damping force, and further improving stability and reliability. Here, the predetermined angle is an angle when the door body 2 is fully opened or fully closed to the work opening.
According to some embodiments of the present invention, as shown in fig. 4, a through groove 53 may be provided on an outer circumferential surface of the damping sleeve 5, and the through groove 53 may be respectively penetrated through the damping sleeve 5 in an axial direction and a radial direction of the damping sleeve 5, thereby changing a size of the through groove 53, and conveniently changing an interference amount between the damping sleeve 5 and the shaft core 4, so that the damper 3 is suitable for door cover bodies 2 with different weights, improving versatility and facilitating assembly.
A door cover assembly 100 and its operation according to an embodiment of the present invention are described in detail below with reference to fig. 1-4.
When the door body 2 is closed, the door body 2 starts to descend due to gravity. The door cover body 2 starts to rotate around the workbench 1, and drives the damping shell 6 connected with the door cover body 2 to start to rotate. The damping shell 6 is relatively fixed with the door cover body 2 through the matching of the buckle 61 and the buckling position and the matching of the first positioning part 62 and the second positioning part.
At this time, the rotation of the door cover body 2 drives the damping shell 6 to rotate, the shaft core 4 of the damper 3 is fixedly connected with the fixing bracket 7 through the fixing pin, the fixing bracket 7 is fixedly kept with the workbench 1 through the screw, so that the shaft core 4 is fixedly kept with the workbench 1, and the shaft core 4 is fixedly kept with the workbench 1 when the door cover body 2 rotates.
Meanwhile, the damping sleeve 5 and the damping shell 6 in the damper 3 are kept relatively fixed through the cooperation of the connecting convex part 52 and the connecting concave part, so that the door cover body 2 drives the damping shell 6 to rotate and simultaneously drives the damping sleeve 5 and the fixing piece 43 to rotate in the rotating process of the door cover body 2.
Because the damping sleeve 5 and the shaft core body 41 adopt an interference structure, the shaft core body 41 can generate strong friction force to the annular flange 44 in the rotating motion process of the damping sleeve 5, thus generating damping force to prevent the door cover body 2 from rapidly descending, and achieving the effect of slowing down the falling speed of the door cover body 2.
The damping force of the damper 3 can be adjusted by changing the interference amount and the interference surface of the damping sleeve 5 and the shaft core body 41, so that the door cover body 2 with different weights is suitable, and meanwhile, the angle limiting part 432 on the fixing piece 43 can control the rotation angle of the annular flange 44, so that the opening angle of the door cover body 2 is controlled, and the door cover has the advantages of simple structure, convenience in use and low cost.
In summary, according to the door cover assembly 100 of the pulsator washing machine in the embodiment of the invention, the shaft core 4 is connected with the workbench 1, the damping sleeve 5 is connected with the door cover body 2, and the damping sleeve 5 is sleeved on the shaft core 4, so that the damping sleeve 5 pivots relative to the shaft core 4 under the driving of the door cover body 2, and damping force is formed by friction between the inner peripheral surface of the damping sleeve 5 and the outer peripheral surface of the shaft core 4, thereby reducing the door closing speed, avoiding damage to the door cover body 2, and reducing noise. Moreover, the friction force between the damping sleeve 5 and the shaft core 4 does not have a free angle, is not affected by temperature, and has damping force in the whole process, so that the damping sleeve has the advantages of high reliability, good stability, low cost and the like.
In addition, the present invention also proposes a pulsator washing machine including the door cover assembly 100 according to the above-described embodiment of the present invention. According to the pulsator washing machine provided by the embodiment of the invention, the door closing speed can be reduced by arranging the door cover assembly 100, the door cover body 2 is prevented from being damaged, and the noise is reduced.
Other constructions and operations of pulsator washing machines according to embodiments of the present invention will be apparent to those skilled in the art, and will not be described in detail herein.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", "circumferential", "axial", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; 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 invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (11)
1. A door cover assembly of a pulsator washing machine, comprising:
the workbench is provided with a working opening;
the door cover body is pivotally arranged on the workbench to open and close the working opening;
the damper comprises a shaft core and a damping sleeve, the shaft core is connected with the workbench, and the damping sleeve is connected with the door cover body and sleeved on the shaft core so as to pivot relative to the shaft core under the drive of the door cover body and form damping force through friction between the inner peripheral surface of the damping sleeve and the outer peripheral surface of the shaft core;
the shaft core comprises:
the damping sleeve is sleeved on the shaft core body, and at least one part of the damping force is formed by friction between the inner peripheral surface of the damping sleeve and the outer peripheral surface of the shaft core body;
the fixing part is arranged at one end of the shaft core body and is connected with the workbench;
the fixing piece is sleeved on the shaft core body and is arranged at intervals from the fixing part, and the fixing piece supports the shaft core body;
the annular flange is arranged on the outer peripheral surface of the shaft core body and is positioned between the fixing part and the fixing piece, and the fixing piece is stopped between the damping sleeve and the annular flange;
the outer peripheral surface of the damping sleeve is provided with a through groove, and the through groove respectively penetrates through the damping sleeve along the axial direction and the radial direction of the damping sleeve.
2. The door cover assembly according to claim 1, wherein the fixing piece is pivotally sleeved on the shaft core body, a positioning groove extending along the axial direction of the fixing piece is formed in the fixing piece, a positioning pin extending along the axial direction of the damping sleeve is formed in the damping sleeve, and the positioning pin is inserted into the positioning groove.
3. The door cover assembly of claim 1, further comprising: the fixed support is arranged on the workbench, a fixed hole is formed in the fixed support, the fixed portion is formed into a fixed pin, and the fixed pin is inserted into the fixed hole.
4. A door cover assembly according to claim 3, wherein the table is provided with a downwardly recessed mounting slot, and the fixed bracket and the damper are disposed in the mounting slot.
5. The door cover assembly of claim 3, wherein the damper further comprises: the damping shell is connected with the door cover body and the damping sleeve, an accommodating cavity is defined in the damping shell, the damping sleeve and the shaft core are arranged in the accommodating cavity, and the fixing part extends out of the damping shell.
6. The door cover assembly of claim 5, wherein the damping shell is snap-fit connected to the door cover body.
7. The door cover assembly according to claim 6, wherein a buckle and a first positioning portion are provided on an outer side surface of the damping shell, and the door cover body is provided with a buckle position matched with the buckle and a second positioning portion matched with the first positioning portion.
8. The door cover assembly according to claim 5, wherein the damping sleeve is provided with a connection protrusion, and the damping shell is provided with a connection recess matched with the connection protrusion.
9. The door cover assembly of claim 5, wherein the axle further comprises: the baffle plate is sleeved on the shaft core body and located between the annular flange and the fixing pin, and is arranged in the accommodating cavity and abuts against the inner side face of the damping shell.
10. The door cover assembly according to claim 5, wherein the fixing piece is provided with an angle limiting portion, the damping shell is provided with an angle matching portion, and the angle limiting portion is matched with the angle matching portion when the fixing piece is pivoted to a preset angle so as to limit the fixing piece to pivot.
11. A pulsator washing machine comprising a door cover assembly as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610189346.XA CN107237083B (en) | 2016-03-29 | 2016-03-29 | Pulsator washing machine and door cover assembly of pulsator washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610189346.XA CN107237083B (en) | 2016-03-29 | 2016-03-29 | Pulsator washing machine and door cover assembly of pulsator washing machine |
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| Publication Number | Publication Date |
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| CN107237083A CN107237083A (en) | 2017-10-10 |
| CN107237083B true CN107237083B (en) | 2023-07-14 |
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| CN109667120B (en) * | 2017-10-13 | 2023-12-08 | 无锡小天鹅电器有限公司 | Washing machine |
| CN109457445B (en) * | 2018-10-31 | 2021-08-27 | 无锡小天鹅电器有限公司 | Clothes treating device |
| CN109763305B (en) * | 2018-12-27 | 2022-03-29 | 重庆海尔洗衣机有限公司 | Washing machine's upper cover attenuator and washing machine |
| CN111719292B (en) * | 2019-03-22 | 2022-09-16 | 青岛海尔洗衣机有限公司 | Door body structure and washing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709755B (en) * | 2009-11-20 | 2011-11-23 | 北京工业大学 | Slotted cylinder variable frication damper |
| CN202279965U (en) * | 2011-11-04 | 2012-06-20 | 无锡小天鹅股份有限公司 | Washing machine door cover damping structure |
| CN202867544U (en) * | 2012-09-28 | 2013-04-10 | 深圳市理邦精密仪器股份有限公司 | Damping rotation mechanism and medical equipment with same |
| CN202865637U (en) * | 2012-11-15 | 2013-04-10 | 宁波海飞电器有限公司 | Washing machine door cover device |
| CN203429450U (en) * | 2013-08-30 | 2014-02-12 | 宁波乐士实业有限公司 | Washing machine with damping hinges |
| CN204959362U (en) * | 2015-05-29 | 2016-01-13 | 无锡小天鹅股份有限公司 | Washing machine |
| CN205557114U (en) * | 2016-03-29 | 2016-09-07 | 无锡小天鹅股份有限公司 | Rotary drum washing machine and rotary drum washing machine's door closure subassembly |
-
2016
- 2016-03-29 CN CN201610189346.XA patent/CN107237083B/en active Active
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|---|---|
| CN107237083A (en) | 2017-10-10 |
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Effective date of registration: 20190805 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Applicant after: Wuxi Little Swan Electric Co.,Ltd. Address before: 214028 Wuxi Changjiang Road, Wuxi New District, Jiangsu, No. 18 Applicant before: WUXI LITTLE SWAN Co.,Ltd. |
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