CN111485392B - Lifting device applied to drum washing machine and drum washing machine - Google Patents
Lifting device applied to drum washing machine and drum washing machine Download PDFInfo
- Publication number
- CN111485392B CN111485392B CN201910073362.6A CN201910073362A CN111485392B CN 111485392 B CN111485392 B CN 111485392B CN 201910073362 A CN201910073362 A CN 201910073362A CN 111485392 B CN111485392 B CN 111485392B
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- water
- washing machine
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- 238000005406 washing Methods 0.000 title claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 239000012535 impurity Substances 0.000 claims abstract description 52
- 230000009471 action Effects 0.000 claims abstract description 12
- 230000007306 turnover Effects 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 3
- 230000003749 cleanliness Effects 0.000 abstract description 3
- 239000012466 permeate Substances 0.000 description 11
- 238000001914 filtration Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
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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
- D06F39/10—Filtering arrangements
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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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention discloses a lifting device applied to a drum washing machine, which comprises a shell, wherein water permeable holes are formed in two opposite sides of the shell along the direction of water flow impact, a containing cavity is formed in the shell in a hollow mode, a rotatable filter plate is arranged in the containing cavity, the filter plate is rotated to open or cover the water permeable holes under the action of water flow, and water flowing through the containing cavity passes through the filter plate to leave impurities in the containing cavity; an opening is formed in the bottom wall of the shell, a control valve capable of being controlled to open and close is arranged at the opening, and the control valve opens the opening when the washing machine rotates at a high speed so as to discharge impurities in the accommodating cavity through the opening. The invention realizes that the drum washing machine can automatically collect impurities such as thread scraps and the like when working at low speed, and automatically discharge the impurities when working at high speed, thereby avoiding the adhesion of the impurities on clothes and improving the cleanliness of the clothes.
Description
Technical Field
The invention belongs to the field of household appliances, and particularly relates to a lifting device applied to a drum washing machine, and particularly relates to a drum washing machine provided with the lifting device.
Background
The filtering device of the existing drum washing machine is arranged at the lower part of the machine body, impurities such as more threads exist in washing water in the working process, the impurities cannot be collected and cleaned automatically in time in the washing process, and the impurities can be attached to clothes again, so that secondary pollution is caused.
The inner tube of drum type washing machine is placed along the horizontal direction, and the inner tube is rotatory along its horizontal direction, in order to improve the washing effect, set up the lifting rib in the inner tube in drum type washing machine generally, rub through the frictional force between lifting rib and the clothing, the lifting rib still can drive the clothing and rotate, promote the clothing, and then realize upset, wash the clothing, improve the washing effect of clothing, set up filter equipment inside hoisting device, separate water and impurity, and automatic collection and clearance impurity, avoided the impurity to adhere to on the clothing, improve the washing effect of clothing.
The Chinese patent No. CN108193444A proposes a filtering and lifting device, a baffle is arranged in the lifting device, a filtering structure is arranged on the baffle, the baffle swings towards the inner side of the shell under the pushing of water flow, and washing water enters the lifting device through the water holes; the opposite side baffle covers the water hole under the promotion of rivers, and the washing water flows out inside the hoisting device through filtering the structure, leaves impurity in hoisting device's inner chamber, although has reached the purpose with impurity and water separation, but can't realize discharging impurity automatically, and during inner tube switching-over rotates, impurity can get back to the inner tube again along with rivers, and the baffle can not cover on the water hole along with rivers immediately when the inner tube begins to rotate moreover.
The present invention has been made in view of this.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a lifting device applied to a drum washing machine, which aims to automatically separate water from impurities and collect the impurities in the lifting device, and the other aims to automatically clean the impurities, so that a user is prevented from frequently disassembling and cleaning a filtering device.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:
the lifting device comprises a shell, water permeable holes are formed in two opposite sides of the shell along the direction of water flow impact, a containing cavity is formed in the shell, a rotatable filter plate is installed in the containing cavity, the filter plate is rotated to open or cover the water permeable holes under the action of water flow, and water flowing through the containing cavity passes through the filter plate to leave impurities in the containing cavity; an opening is formed in the bottom wall of the shell, a control valve capable of being controlled to open and close is arranged at the opening, and the control valve opens the opening when the washing machine rotates at a high speed so as to discharge impurities in the accommodating cavity through the opening.
Further, the control valve comprises a valve plug with a closed opening, a connecting rod and a heavy hammer, wherein the valve plug and the heavy hammer are respectively hinged to two opposite ends of the connecting rod, the connecting rod can rotate around the middle of the connecting rod, and the heavy hammer moves downwards under the action of centrifugal force so as to drive the valve plug to move upwards to open the opening.
Further, the opening sets up on the diapire of casing, is equipped with the fixing base that extends to the diapire on the casing for the open-ended top, install the fixed bolster on the fixing base, the fixed bolster is inside cylinder that link up, and the valve plug is kept away from open-ended one end and is passed the fixed bolster and be connected with the connecting rod, and the valve plug reciprocates along the fixed bolster.
Further, a protruding part protruding upwards is arranged on the periphery of the fixing support and protrudes upwards, and the protruding part is hinged with the middle part of the connecting rod.
Further, the top of casing is equipped with the guide post that extends to the diapire, and the cover that the weight can relative movement is established on the guide post, and the periphery of weight is articulated with the connecting rod, and the position of relative guide post is equipped with the cylinder platform on the casing diapire, is equipped with an open recess on the cylinder platform, and the suspension end of guide post corresponds in the insertion recess from the uncovered.
Further, a reset spring is arranged between the heavy hammer and the bottom wall, and the reset spring is sleeved on the periphery of the cylindrical table.
Further, the top of the side wall of the shell is provided with a mounting seat, the mounting seat is provided with a mounting hole, two ends of the filter plate are provided with rotating shafts, the rotating shafts are rotatably inserted into the mounting holes, and the filter plate at the water inlet end of the accommodating cavity is pushed by washing water to turn over into the accommodating cavity so as to open the water permeable hole; the filter plate at the water outlet end of the accommodating cavity is pushed by the washing water to turn over to cover the water permeable holes on the side wall of the shell, so that the washing water flows out of the accommodating cavity through the filter plate.
Further, a torsion spring is arranged between the filter plate and the shell to press the filter plate on the side wall of the shell to cover the water permeable holes, a filter screen is arranged on the filter plate, and the filter screen is correspondingly arranged with the water permeable holes.
Further, the bottom wall of the shell extends obliquely from the outer edge of the bottom wall to the opening towards one side of the accommodating cavity, and the area of the opening is larger than that of each water permeable hole.
The invention further relates to a drum washing machine, which comprises an inner drum, wherein at least one lifting device applied to the drum washing machine is arranged on the inner wall of the inner drum.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects.
1. The invention realizes the purpose of automatically collecting impurities in the washing process of the washing machine, the filter plate corresponding to the water permeable hole is arranged in the accommodating cavity of the lifting device, the filter plate at the water inlet end of the accommodating cavity is turned into the accommodating cavity to open the water permeable hole, and the filter plate at the water outlet end of the accommodating cavity is turned onto the side wall of the shell to cover the water permeable hole, so that washing water flows out of the accommodating cavity through the filter plate, impurities are left in the accommodating cavity, the adhesion of impurities such as thread scraps on clothes is avoided, and the cleanliness of the clothes is improved.
2. The invention realizes the purpose of automatically cleaning impurities in the washing process of the washing machine, and opens the opening on the bottom wall of the shell by utilizing the action of centrifugal force, so that the impurities in the cavity can be automatically discharged along with water flowing through the opening, the filtering device is not required to be detached every time, and the user experience is improved.
3. The torsion spring is arranged between the filter plate and the shell, so that the filter plate is initially in a state of closing the water permeable hole, after the inner cylinder starts to rotate, the water permeable hole of the water inlet end of the containing cavity is opened, the water permeable hole of the water outlet end of the containing cavity is closed, when the inner cylinder is in reversing, the filter plates at the two sides close the water permeable hole due to the elastic force of the spring, the filter plates at the water outlet end are prevented from being overturned untimely when the inner cylinder is in reversing, impurities in the containing cavity flow out along with water flow, and secondary pollution is caused to clothes in the inner cylinder.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
FIG. 1 is a front view of a lifting device in accordance with an embodiment of the present invention;
FIG. 2 is a side view of a lifting device in an embodiment of the invention;
FIG. 3 is a schematic view illustrating the operation of the lifting device at a low speed of the washing machine according to the embodiment of the present invention;
FIG. 4 is a cross-sectional view of A-A of FIG. 1;
FIG. 5 is a cross-sectional view of B-B of FIG. 1;
FIG. 6 is a cross-sectional view of B-B in the further embodiment of FIG. 1;
FIG. 7 is a cross-sectional view of C-C of FIG. 2;
FIG. 8 is an open cross-sectional side view of a valve plug in an embodiment of the present invention;
fig. 9 is a schematic view illustrating an operation of the lifting device at a high speed of the washing machine in accordance with the embodiment of the present invention.
The main elements in the figure are illustrated: 1. a housing; 2. a bottom wall; 3. a filter plate; 30. a water permeable hole; 31. a front plate; 32. a rear plate; 33. a filter screen; 4. an opening; 5. a valve plug; 6. a heavy hammer; 7. a connecting rod; 8. a return spring; 9. a torsion spring; 10. a fixing seat; 11. a fixed bracket; 12. a guide post; 13. a mounting base; 14. a rotating shaft; 15. a protruding portion; 16. and (5) impurities.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of 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.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1 to 9, a lifting device in this embodiment is installed on an inner wall of an inner drum of a drum washing machine, and in a working process of the drum washing machine, the inner drum drives the lifting device to rotate, and the lifting device rotates along with the inner wall of the inner drum, so that clothes in the inner drum are lifted upwards, and overturning and washing of the clothes are achieved. The hoisting device includes casing 1, casing 1 is equipped with the hole 30 that permeates water along the both sides that the direction that rivers passed through in opposite, and casing 1 inside cavity forms and holds the chamber, hold intracavity installation and correspond the filter 3 that covers both sides hole 30 that permeates water, be equipped with filter screen 33 on the filter 3, filter screen 33 and permeate water hole 30 correspond the setting, filter 3 can rotate certain angle relative casing 1 lateral wall, hold the filter 3 of chamber water inlet end under the promotion of rivers, open the hole 30 that permeates water to holding intracavity portion rotation, the rivers get into and hold the chamber, hold the rotatory laminating of filter 3 of chamber water outlet end on the lateral wall of casing 1, with the hole 30 that permeates water cover of lateral wall, hold the intracavity rivers and pass filter screen 33 outflow holding the chamber of filter 3, impurity such as line bits can't pass filter screen 33 and stay holding intracavity portion.
In this embodiment, at least one opening 4 is provided on the bottom wall 2 of the housing 1, and a control valve capable of controlling opening and closing is installed in the accommodating cavity, and the control valve opens the opening 4 when the washing machine rotates at a high speed, so as to discharge impurities in the accommodating cavity from the opening 4. The control valve comprises a valve plug 5 for closing the opening 4, the valve plug 5 can move up and down relative to the opening 4, the washing water flowing through the accommodating cavity passes through the filter plate 3 to leave impurities in the accommodating cavity, and the valve plug 5 moves upwards to open the opening 4 so as to discharge impurities such as thread scraps inside the accommodating cavity out of the accommodating cavity. The accommodating cavity is internally provided with a heavy hammer 6 and a connecting rod 7, two ends of the connecting rod 7 are respectively hinged with the valve plug 5 and the heavy hammer 6, the connecting rod 7 forms a lever structure, the connecting rod 7 moves up and down to drive the valve plug 5 to move up and down around a pivot, so that the opening and closing of the opening 4 are automatically controlled, when the inner cylinder rotates at high speed, the heavy hammer 6 moves outwards along the radial direction of the inner cylinder under the action of centrifugal force, namely the heavy hammer 6 moves downwards, one end of the connecting rod 7, connected with the heavy hammer 6, moves downwards along with the heavy hammer 6, the other end of the connecting rod 7 moves upwards to drive the valve plug 5 to move upwards, the opening 4 is opened, and impurities in the accommodating cavity are discharged along with water flowing through the opening 4.
Through the arrangement, the automatic impurity collecting and cleaning device realizes automatic impurity collecting and automatic impurity cleaning, avoids the impurities from being attached to clothes, and meanwhile, a user does not need to detach and clean the filtering device frequently.
Example two
As shown in fig. 3, fig. 5 and fig. 9, in the accommodating cavity, a filter plate 3 is respectively installed at the positions of water permeable holes 30 near two sides of the casing 1, the filter plates 3 are hung and installed at the top of the side wall of the casing 1, the filter plates 3 are hinged with the casing 1, the two filter plates 3 correspondingly cover the water permeable holes 30 on the left side and the right side, a filter screen 33 is arranged on the filter plates 3, water flowing through the filter screen 33 can separate impurities such as water and thread scraps in the accommodating cavity, so that the impurities remain in the accommodating cavity, the top of the casing 1 is provided with an installation seat 13, the installation seat 13 is provided with an installation hole, two ends of the upper side of the filter plates 3 are provided with outwards protruding rotating shafts 14, the rotating shafts 14 respectively extend into the installation holes, and the filter plates 3 can rotate relative to the installation seat 13 so that the filter plates 3 swing left and right under the impact action of the water flow.
In this embodiment, the inner tube is in clockwise, or anticlockwise state can all filter the impurity in the aquatic, and carry out automatic collection to the impurity, in the washing process with impurity separation, avoid impurity to adhere to on the clothing, improve clothing cleanliness factor, when the inner tube clockwise rotation, elevating gear's left side receives the impact of rivers, rivers promote the rotation of left filter 3 to holding the intracavity, the hole 30 permeates water is kept away from to filter 3, so that rivers get into holding the chamber by the hole 30 that permeates water on the left side wall of casing 1, and the right side filter 3 is rotatory laminating right under the impact of rivers in the right side wall of casing 1 towards the one side that holds the chamber, the corresponding hole 30 that permeates water on the cover right side wall, avoid the linear bits to directly flow along with rivers, rivers pass filter screen 33 on filter 3, with impurity and rivers separation, the linear bits are left and hold the intracavity portion, as shown in the figure 3, the arrow direction is the rivers direction in the figure. When the inner tube anticlockwise rotates, elevating gear's right side receives the impact of rivers, rivers promote the filter 3 on right side to holding the intracavity rotation, the hole 30 permeates water is kept away from to the filter 3 to make rivers get into holding the chamber by the hole 30 that permeates water on the casing 1 right side wall, and the rotatory laminating in casing 1 left side wall left side towards holding one side in chamber under the impact of rivers of left side filter 3, the hole 30 permeates water on the corresponding cover left side wall, rivers pass filter screen 33 on the filter 3, with impurity and rivers separation, impurity remains holding the intracavity portion.
Example III
As shown in fig. 5 and fig. 6, the difference between this embodiment and the above embodiment is that the torsion spring 9 is disposed between the filter plate 3 and the housing 1 in this embodiment, so that the filter plate 3 is in a state of closing the water permeable hole 30 under the effect of not being impacted by water flow, after the inner drum begins to work, the filter plate 3 at the water inlet end side of the containing cavity is immediately opened by the impact of water flow, the filter plate 3 at the water outlet end side of the containing cavity is always in a state of closing the water permeable hole 30, when the inner drum is in reversing, due to the elastic force of the spring, the filter plates 3 at both sides close the water permeable hole 30, so as to avoid the untimely overturn of the filter plate 3 at the water inlet end of the inner drum when the inner drum is in reversing, the impurities in the containing cavity flow out along with the water flow, and secondary pollution is caused to the clothes in the inner drum.
In this embodiment, the filter 3 is an integer, and the opposite both sides at the top of casing 1 lateral wall are equipped with mount pad 13, are equipped with the mounting hole on the mount pad 13, and the both ends at filter 3 top are equipped with the pivot 14 that outwards protrusion extends, in the pivot 14 rotatable inserts the mounting hole, torsion spring 9 cover is established in the pivot between filter 3 and mount pad 13, and torsion spring 9's one end is contradicted in the one side of filter 3 orientation holding the intracavity portion, and the other end is contradicted on casing 1, or mount pad 13.
Or, the rotation shaft 14 and the filter plate 3 are separately arranged, as shown in fig. 6, two ends of the rotation shaft 14 are respectively fixed on the mounting seat 13, the tops of two ends of the filter plate 3 are sleeved on the rotation shaft 14, the middle part of the rotation shaft 14 is sleeved with the torsion spring 9, and two ends of the torsion spring 9 respectively abut against one side of the filter plate 3 facing the inside of the accommodating cavity and the shell.
In this embodiment, as shown in fig. 5, the filter plate 3 includes a front plate 31 and a rear plate 32, which are parallel to each other and are perpendicular to the flow direction of the water flow, where three mounting seats 13 are disposed on one side of the housing, coaxial mounting holes are disposed on each mounting seat 13, the rotating shaft 14 at the rear end of the front plate 31 and the rotating shaft 14 at the front end of the rear plate 32 are inserted into the middle mounting seat 13, the rotating shaft 14 of the front plate 31 is respectively mounted on the front mounting seat 13 and the middle mounting seat 13, the rotating shaft 14 of the rear plate 32 is mounted on the rear mounting seat 13 and the middle mounting seat 13, a torsion spring 9 is mounted between the front plate 31 and the rear plate 32, the torsion spring 9 spans the middle mounting seat 13, two ends of the torsion spring 9 respectively abut against one side of the front plate 31 and the rear plate 32 facing the inside of the accommodating cavity, and the filter plate 3 is subjected to a spring force rotating toward the side of the water permeable hole 30, so that the filter plate 3 is attached to the side wall of the housing 1.
Example IV
As shown in fig. 3, 4, and 7 to 9, the control valve in this embodiment includes a valve plug 5, a weight 6, and a connecting rod 7, where the valve plug 5 moves radially along the inner cylinder to control opening and closing of the opening 4, one end of the valve plug 5 is a sealing part corresponding to the sealing opening 4, the shape of the sealing part is consistent with that of the opening 4, the other end of the valve plug 5 is hinged with the connecting rod 7, two opposite ends of the connecting rod 7 are hinged with the valve plug 5 and the weight 6 respectively through pins, the middle of the connecting rod 7 is fixed on the housing 1, and the connecting rod 7 can rotate around the middle to form a lever.
In this embodiment, the top of the housing 1 is provided with a guide post 12 extending toward the bottom wall 2, the weight 6 is sleeved on the guide post 12 in a relatively movable manner, the periphery of the weight 6 is hinged to the connecting rod 7, a return spring 8 is arranged between the weight 6 and the bottom wall 2, one end of the return spring 8 is abutted against the weight 6, the other end is abutted against the bottom wall 2 of the housing 1, a cylindrical table is arranged on the bottom wall 2 of the housing 1 at a position opposite to the guide post 12, an open groove is arranged on the cylindrical table, the suspension end of the guide post 12 is correspondingly inserted into the groove from the opening 4, and the return spring 8 is sleeved on the peripheral wall of the cylindrical table. The guide post 12 is provided with a shaft shoulder to limit one end of the counter weight 6 away from the reset spring 8, and the upward elastic force of the reset spring 8 is larger than the gravity of the counter weight 6, so that the valve plug 5 is in a closed state when the drum washing machine is not in operation, the upward elastic force of the spring is larger than or equal to the centrifugal force of the counter weight 6 when the inner drum rotates at a low speed, and the upward elastic force of the spring is smaller than the centrifugal force of the counter weight 6 when the inner drum rotates at a high speed.
In this embodiment, the top surface of the housing 1 is provided with two fixing seats 10 protruding and extending towards the bottom wall, opposite to the left side and the right side, and spaced apart, the fixing seats 10 are provided with fixing supports 11, each fixing support 11 is a cylinder with a through inside, one end of each cylinder protrudes and extends outwards along the radial direction to form a fixing portion, the fixing portion is fixed on the fixing seat 10 through bolts, one end of the valve plug 5, which is far away from the opening 4, passes through the fixing support 11 and is connected with the connecting rod 7 at a position between the two mounting seats 13, and the connecting rod 7 drives the valve plug 5 to move up and down along the fixing support 11.
In this embodiment, be equipped with three pin joint on the connecting rod 7, the pin joint at connecting rod 7 both ends is rectangular shape, prevents that connecting rod 7 card from being in the dead point position, and the periphery of fixed bolster 11 is equipped with the bulge 15 that the upward sloping protrusion extends, the pin joint relative rotation in the middle part of bulge 15 and connecting rod 7 is connected.
In the process of the non-working or low-speed rotation of the inner cylinder, the heavy hammer 6 is at the highest position under the action of the spring, the connecting rod 7 is horizontal, the valve plug 5 is correspondingly closed to the opening 4, the heavy hammer 6 moves towards the bottom wall 2 along the guide post 12 under the action of centrifugal force in the process of the high-speed rotation of the inner cylinder, the heavy hammer 6 drives one end of the connecting rod 7 to move downwards, the connecting rod 7 rotates around the protruding part 15 of the fixed support 11, the other end of the connecting rod 7 drives the valve plug 5 to move upwards along the guide groove, so that the opening 4 is opened, and the impurities 16 are discharged from the opening under the centrifugal action, as shown in fig. 8. The automatic collection of impurities such as wire scraps and the like of the drum washing machine during low-speed operation is realized, and the impurities such as the wire scraps and the like are automatically cleaned during high-speed rotation.
In this embodiment, the bottom wall 2 of the housing 1 is provided with spaced openings 4, the guide post 12 is disposed between the two openings 4, the heavy punch 6 is mounted on the guide post 12, the valve plug 5 is correspondingly mounted on each opening 4, the heavy punch 6 is connected with the valve plug 5 through the connecting rod 7, and the two valve plugs 5 move up and down simultaneously under the action of the heavy punch 6, or two heavy punches 6 are disposed, and each heavy punch 6 controls one valve plug 5 respectively to control the opening and closing of each opening 4 independently.
Example five
As shown in fig. 3 to 8, in this embodiment, the bottom wall 2 is provided with an opening 4, one side of the bottom wall 2, which contacts with the inner cylinder, is attached to the inner wall of the inner cylinder, and the bottom wall 2 extends obliquely from the outer edge of the bottom wall 2 to the opening 4 toward the side of the accommodating cavity, so that the thickness of the outer edge of the bottom wall 2 is greater than that of the opening 4, and the impurity 16 is facilitated to move toward the opening 4 along the inclined plane of the bottom wall 2 to be discharged out of the accommodating cavity.
In this embodiment, the area of the opening 4 is larger than the area of the opening 4 of each water permeable hole 30.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (5)
1. The utility model provides a be applied to hoisting device of drum type washing machine, includes the casing, and the casing is equipped with the hole of permeating water along the opposite both sides in the direction of rivers impact, its characterized in that: the inside of the shell is hollow to form a containing cavity, a rotatable filter plate is arranged in the containing cavity, the filter plate is rotated to open or cover the water permeable holes under the action of water flow, and the water flowing through the containing cavity passes through the filter plate to leave impurities in the containing cavity; an opening is formed in the bottom wall of the shell, a control valve capable of being controlled to open and close is arranged at the opening, and the control valve opens the opening when the washing machine rotates at a high speed so as to discharge impurities in the accommodating cavity through the opening;
the opening is arranged on the bottom wall of the shell;
the control valve comprises a valve plug for closing the opening, a connecting rod and a heavy hammer, wherein the valve plug and the heavy hammer are respectively hinged with two opposite ends of the connecting rod, the connecting rod can rotate around the middle part of the connecting rod, and the heavy hammer moves downwards under the action of centrifugal force so as to drive the valve plug to move upwards to open the opening;
a fixed seat extending towards the bottom wall is arranged on the shell relative to the top of the opening, a fixed bracket is arranged on the fixed seat, the fixed bracket is a cylinder with a through inside, one end of the valve plug far away from the opening penetrates through the fixed bracket to be connected with a connecting rod, and the valve plug moves up and down along the fixed bracket;
the periphery of the fixed bracket is provided with a protruding part which protrudes upwards and extends obliquely, and the protruding part is hinged with the middle part of the connecting rod;
the top of the shell is provided with a guide post extending towards the bottom wall, the heavy hammer is sleeved on the guide post in a relatively movable manner, a cylinder table is arranged on the bottom wall of the shell at a position opposite to the guide post, an open groove is arranged on the cylinder table, and the suspension end of the guide post is correspondingly inserted into the groove from the opening;
the top of the side wall of the shell is provided with a mounting seat, the mounting seat is provided with mounting holes, two ends of the filter plate are provided with rotating shafts, the rotating shafts are rotatably inserted into the mounting holes, and the filter plate at the water inlet end of the accommodating cavity is pushed by washing water to turn over into the accommodating cavity so as to open the water permeable holes; the filter plate at the water outlet end of the accommodating cavity is pushed by the washing water to turn over to cover the water permeable holes on the side wall of the shell, so that the washing water flows out of the accommodating cavity through the filter plate.
2. A lifting device for a drum washing machine according to claim 1, wherein: and a reset spring is arranged between the heavy hammer and the bottom wall and sleeved on the periphery of the cylindrical table.
3. A lifting device for a drum washing machine according to claim 1, wherein: a torsion spring is arranged between the filter plate and the shell to press the filter plate on the side wall of the shell to cover the water permeable holes, a filter screen is arranged on the filter plate, and the filter screen is arranged corresponding to the water permeable holes.
4. A lifting device for a drum washing machine according to claim 1, wherein: the bottom wall of the shell extends obliquely from the outer edge of the bottom wall to the opening towards one side of the accommodating cavity, and the area of the opening is larger than that of each water permeable hole.
5. A drum washing machine, comprising an inner drum, characterized in that: at least one lifting device for a drum washing machine according to any one of claims 1 to 4 is mounted on the inner wall of the inner drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073362.6A CN111485392B (en) | 2019-01-25 | 2019-01-25 | Lifting device applied to drum washing machine and drum washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN112108837B (en) * | 2020-08-24 | 2022-08-02 | 浙江强力紧固件有限公司 | Forming process of fastener |
| WO2022095828A1 (en) * | 2020-11-03 | 2022-05-12 | 青岛海尔滚筒洗衣机有限公司 | Lifting rib structure and laundry treatment apparatus |
| WO2022257997A1 (en) * | 2021-06-09 | 2022-12-15 | 青岛海尔滚筒洗衣机有限公司 | Centrifugal drainage mechanism and laundry lifting device for washing machine, and washing machine |
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| CN111485392A (en) | 2020-08-04 |
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Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant after: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant before: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. Applicant before: QINGDAO HAIER JOINT STOCK Co.,Ltd. |
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