WO2022148232A1 - 一种滚筒洗衣机 - Google Patents
一种滚筒洗衣机 Download PDFInfo
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- WO2022148232A1 WO2022148232A1 PCT/CN2021/139577 CN2021139577W WO2022148232A1 WO 2022148232 A1 WO2022148232 A1 WO 2022148232A1 CN 2021139577 W CN2021139577 W CN 2021139577W WO 2022148232 A1 WO2022148232 A1 WO 2022148232A1
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- sealing
- cover
- cylinder
- opening
- outer cylinder
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- 238000005406 washing Methods 0.000 title claims abstract description 68
- 238000007789 sealing Methods 0.000 claims abstract description 177
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000018044 dehydration Effects 0.000 description 9
- 238000006297 dehydration reaction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 5
- 230000005489 elastic deformation Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000703 high-speed centrifugation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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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
- D06F39/12—Casings; Tubs
- D06F39/14—Doors or covers; Securing means therefor
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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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
- D06F37/10—Doors; Securing means therefor
-
- 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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/26—Casings; Tubs
- D06F37/28—Doors; Security means therefor
Definitions
- the invention belongs to the technical field of washing machines, and in particular relates to a drum washing machine.
- a drum washing machine generally includes an inner tub and an outer tub that are fitted with each other, the outer tub is sealed for holding water, the inner tub is used for storing clothes, and the inner tub is rotated to beat and wash the clothes;
- a dehydration hole is provided, so that the water in the outer cylinder flows into the inner cylinder through the dehydration hole to soak the clothes in the inner cylinder, the water in the inner cylinder flows out to the outer cylinder through the dehydration hole, and the moisture on the clothes in the inner cylinder is dehydrated when the inner cylinder rotates at a high speed.
- the holes are discharged to the outer tub to achieve the purpose of washing clothes.
- the application number is CN201410215346.3
- the Chinese invention patent is called a drum washing machine.
- the invention relates to a drum washing machine, including a box body, and an inner drum is arranged in the box body. and the outer cylinder, a door seal is arranged between the outer cylinder and the box body, the inner cylinder is connected with the driving device, the inner cylinder is a non-porous inner cylinder, and the inner cylinder has a small diameter at the bottom of the cylinder and a diameter at the mouth of the cylinder.
- a large conical cylinder the opening of the inner cylinder is closed in an arc shape, the door seal is provided with a water inlet pipe, one end of the water inlet pipe is connected to the washing water rapid heating device, and the other end of the water inlet pipe is pierced through.
- the door seal extends into the inner cylinder, and the outer cylinder is provided with a water outlet and a water pressure detection device.
- the inner cylinder of the invention is a non-porous inner cylinder, and the water inlet of the inner cylinder is realized through the water inlet conduit arranged on the door seal, and the water is drained during the dehydration process through the shape of the inner cylinder itself, which can avoid Water is stored between the inner and outer cylinders, which greatly saves the water consumption for washing.
- the above invention provides a drum washing machine with a non-porous inner drum, which solves the problems of wasting water between the inner drum and the outer drum and accumulating dirt between the inner drum and the outer drum.
- the inner drum is a non-porous inner drum.
- the door of the washing machine needs to maintain dynamic sealing contact with the drum opening of the inner drum.
- the dynamic sealing contact has problems such as stability, low effectiveness, and poor sealing over time.
- the present invention is proposed to solve the problem of sealing the cylinder mouth of the non-porous inner cylinder of the drum washing machine.
- the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide a drum washing machine with no water between the inner and outer drums, which can effectively solve the problem of sealing water in the inner drum.
- a front-loading washing machine comprising:
- the casing, the front panel of the casing is provided with a feeding port;
- the outer cylinder is arranged in the casing, and the outer cylinder opening of the outer cylinder is opposite to the injection opening;
- the inner cylinder is rotatably arranged in the outer cylinder, and the washing water can be stored independently during washing;
- the door of the machine includes an outer cover for covering the injection opening, an outer cylinder cover for covering the outer cylinder opening, and an inner cylinder cover for covering the inner cylinder opening.
- the outer cover and the outer cylinder cover In a fixed connection, the inner cylinder cover is rotatably connected with the outer cover and/or the outer cylinder cover through a rotating assembly.
- a bearing seat is arranged on the inner wall of the outer cover, and the rotating assembly includes a rotating bearing installed in the bearing seat and a rotating shaft sleeved in the inner ring of the rotating bearing, and the bearing seat passes through the bearing seat.
- the outer cylinder cover, the rotating shaft is fixedly connected with the inner cylinder cover.
- a dynamic seal oil seal for maintaining dynamic sealing contact with the rotating shaft is arranged in the opening of the bearing seat, and a sealing ring is arranged between the outer peripheral wall of the bearing seat and the outer cylinder cover.
- the end of the rotating shaft is fixedly connected to the central position of the inner cylinder cover through a tightening screw, and a screw sealing ring is arranged between the tightening screw and the tightening hole on the inner cylinder cover.
- an inner cylinder seal is arranged on the inner cylinder mouth, and when the door is closed, the inner cylinder cover is sealed on the inner cylinder mouth to maintain sealing contact with the inner cylinder seal, forming a container that can independently hold washing water. water chamber.
- the inner cylinder seal comprises an inner cylinder sleeve part sleeved on the outer peripheral wall of the inner cylinder opening and an inner cylinder sealing part extending into the inner cylinder opening in sealing contact with the peripheral wall of the inner cylinder cover;
- the inner cylinder sleeve part is sleeved on the outer peripheral wall of the inner cylinder mouth through a clamp.
- a sealing trim plate is fixedly installed on the outer cylinder opening, and when the door is closed, the outer cylinder cover is kept in sealing contact with the sealing trim plate through a sealing mechanism.
- the sealing mechanism includes an outer cylinder sealing member disposed on the cylinder opening of the outer cylinder, and when the door is closed, the outer cylinder sealing member and the outer cylinder cover maintain annular sealing contact.
- the sealing member of the outer cylinder includes a matching portion and a sealing portion, an annular sealing groove is formed on the outer wall of the cylinder mouth of the outer cylinder, and the sealing trim plate is fixedly installed on the outer wall of the cylinder mouth of the outer cylinder through the connecting piece, and squeezes the outer wall of the outer cylinder at the same time.
- the press-fit portion enters the sealing groove; when the door is closed, the sealing portion and the outer cylinder cover maintain annular sealing contact.
- the sealing mechanism includes an elastic sealing ring arranged on the outer cover, and when the door is closed, the elastic sealing ring is in annular sealing contact with the outer surface of the sealing trim;
- a magnet is arranged on the side of the elastic sealing ring in contact with the sealing trim panel, and when the door is closed, the magnet is adsorbed on the sealing trim panel so that the elastic sealing ring and the outer surface of the sealing trim panel maintain annular sealing contact.
- the present invention has the following beneficial effects compared with the prior art.
- the door of the present invention comprises an outer cover for covering the injection opening, an outer cylinder cover for covering the outer cylinder opening, and an inner cylinder cover for covering the inner cylinder opening, the outer cover and the outer cylinder cover Fixed connection, the inner cylinder cover is rotatably connected to the outer cover and/or the outer cylinder cover through the rotating assembly.
- the integrated door can simultaneously solve the injection port, the outer cylinder port and the inner cylinder port. Compared with the dynamic sealing method, the sealing effect is good, the sealing stability is strong, and the sealing life is longer.
- FIG. 1 is a schematic structural diagram of a drum washing machine according to an embodiment of the present invention.
- Fig. 2 is the sectional view of A-A in Fig. 1;
- FIG. 3 is an enlarged view of the assembly of the inner cylinder seal and the outer cylinder seal according to the embodiment of the present invention
- FIG 4 is an enlarged view of the assembly between the outer cover, the outer cylinder cover and the inner cylinder cover according to the embodiment of the present invention.
- Control panel 2. Chassis; 3. Delivery port; 4. Front panel; 5. Foot; 6. Outer cover; 7. Outer cylinder cover; 8. Detergent delivery box; 9. Revolving shaft; 10. Revolving shaft seat; 11. Revolving shaft seat screw; 12. Water inlet channel; 13. Lifting rib; 14. Inner cylinder; 15. Outer cylinder; 16. Drive shaft; 17. Drive motor; 18. Lock seat screw; 19, Lock seat; 20. Front counterweight ring of outer cylinder; 21. Seal trim plate; 22. Seal of outer cylinder; 23. Seal of inner cylinder; 24. Blocking part; 25. Set part; 26. Flanging; 27.
- the present invention provides a drum washing machine, comprising:
- the casing 2, the front panel 4 of the casing 2 is provided with a throwing port 3;
- the outer cylinder 15 is arranged in the casing 2, and the outer cylinder opening of the outer cylinder 15 is opposite to the injection port 3;
- the inner cylinder 14 is rotatably arranged in the outer cylinder 15, and can independently hold washing water during washing;
- the door includes an outer cover 6 for covering the injection opening, an outer cover 7 for covering the outer cylinder opening, and an inner cylinder cover 32 for covering the inner cylinder opening.
- the outer cover 6 Fixedly connected to the outer cylinder cover 7, the inner cylinder cover 32 is rotatably connected to the outer cylinder cover 6 and/or the outer cylinder cover 7 through a rotating assembly.
- the inner cylinder 14 of this embodiment is a non-porous inner cylinder without dehydration holes on the cylinder wall.
- the inner cylinder 14 independently holds washing water
- the inner cylinder 14 rotates to wash clothes
- the inner cylinder 4 independently holds water. It solves the problem that the washing water of the existing washing machine enters between the inner tub and the outer tub, and as time accumulates, the outer wall of the inner tub and the inner wall of the outer tub are easy to "hold dirt and dirt".
- the door of this embodiment includes an outer cover 6 for covering the injection port, an outer cover 7 for covering the outer cylinder opening, and an inner cylinder cover 32 for covering the inner cylinder opening.
- the outer cover 6 is fixedly connected with the outer cylinder cover 7, and the inner cylinder cover 32 is rotatably connected with the outer cover 6 and/or the outer cylinder cover 7 through the rotating assembly.
- the door solves the sealing problem of the injection port, the outer cylinder port and the inner cylinder port at the same time, and the fixed connection between the inner cylinder cover 32 and the inner cylinder port rotates synchronously.
- the sealing effect is better, the sealing stability is strong, and the sealing life is longer. .
- a bearing seat 41 is provided on the inner wall of the outer cover 6 in this embodiment, and the rotating assembly includes a rotating bearing installed in the bearing seat 41 36 and the rotating shaft 42 sheathed in the inner ring of the rotating bearing 36 , the bearing seat 41 passes through the outer cylinder cover 7 , and the rotating shaft 42 is fixedly connected with the inner cylinder cover 32 .
- the relative rotation between the inner cylinder cover 32 , the outer cylinder cover 6 and the outer cylinder cover 7 is realized through the rotating bearing 36 , and the structure is simple and stable.
- the rotary bearing 36 in this embodiment includes an outer ring 37, an inner ring 40, a bracket 38 arranged between the inner ring 40 and the outer ring 37, and a ball 39 arranged on the bracket 38.
- the outer ring 37 in this embodiment There is an interference fit with the mounting hole of the bearing seat 41 , and the rotary shaft 42 and the inner ring 40 in this embodiment are in an interference fit.
- the opening of the bearing seat 41 described in this embodiment is provided with a dynamic sealing oil seal 44 that maintains dynamic sealing contact with the rotating shaft 42 , and a sealing ring 45 is arranged between the outer peripheral wall of the bearing seat 41 and the outer cylinder cover 7 . In this way, the water in the inner cylinder 14 can be prevented from leaking out and flowing into the door through the connection gap.
- the end of the rotating shaft 42 in this embodiment is fixedly connected to the central position of the inner cylinder cover 32 through a tightening screw 43, and the tightening screw 43 is connected to the inner cylinder cover 32.
- a screw sealing ring is arranged between the fastening holes on the inner cylinder cover 32 .
- the inner cylinder sealing member 23 is arranged on the inner cylinder opening described in this embodiment.
- the inner cylinder cover seal 32 is covered on the inner cylinder opening and is connected to the inner cylinder opening.
- the sealing member 23 of the inner cylinder is kept in sealing contact to form a water holding chamber which can independently hold the washing water.
- the inner cylinder sealing member 23 includes an inner cylinder sleeve part 34 sleeved on the outer peripheral wall of the inner cylinder opening and an inner cylinder sealing part 33 extending into the inner cylinder opening in sealing contact with the peripheral wall of the inner cylinder cover 32 .
- the inner cylinder sleeve portion 34 is sleeved on the outer peripheral wall of the inner cylinder mouth through a clamp 35 .
- a sealing trim plate 21 is fixedly installed on the outer cylinder opening described in this embodiment.
- the outer cylinder cover 7 is connected to the sealing trim plate 21 through the sealing mechanism. Maintain sealed contact.
- the drum washing machine of this embodiment cancels the existing method of sealing and connecting the opening of the outer tub by the window gasket.
- the sealing trim plate 21 By setting the sealing trim plate 21, when the door is closed, the outer tub is realized by maintaining sealing contact with the sealing trim plate 21 through the sealing mechanism. The cylinder mouth is sealed, which eliminates the problem of accumulation of dirt on the window pad of the existing drum washing machine.
- the sealing trim plate 21 of this embodiment can block the structure at the opening of the outer cylinder, so that the opening of the outer cylinder is neater and more beautiful, and the user experience is improved.
- the sealing mechanism includes an outer cylinder sealing member 22 disposed on the cylinder opening of the outer cylinder.
- the outer cylinder sealing member 22 and the outer cylinder cover 7 maintain an annular seal. touch.
- the outer cylinder seal 22 is used to directly maintain annular sealing contact with the inner wall surface of the outer cylinder cover 7 to achieve the sealing of the door to the outer cylinder. dirt, and the sealing effect is increased by squeezing the cylinder mouth of the outer cylinder when the door is closed.
- the outer cylinder sealing member 22 includes a matching portion 28 and a sealing portion 27 , an annular sealing groove 29 is provided on the outer wall of the cylinder mouth of the outer cylinder, and the sealing trim plate 21 is fixedly installed on the outer cylinder 15 through the connecting member 30 .
- the fitting part 28 enters the sealing groove 29; when the door is closed, the sealing part 27 and the outer cylinder cover 7 are in annular sealing contact.
- the sealing groove 29 in this embodiment is arranged on the edge of the cylinder mouth of the outer cylinder 15 corresponding to the back of the sealing trim plate 21 , and the matching portion 28 is an annular elastic body, and the annular elastic body is squeezed when the sealing trim plate 21 is installed into the sealing groove 29 .
- the sealing trim plate 21 has a sinking groove 31, a mounting hole is opened in the sinking groove 31, and the connecting member 30 is fixed in the sinking groove 31 through the mounting hole;
- the outer cylinder sealing member 22 includes a blocking portion 24 extending into the sink 31 for blocking the connecting piece 30 .
- the blocking portion 24 of this embodiment restores elastic deformation after the installation of the connecting piece 30 , and blocks the connecting piece 30 and the sinker 31 , so as to realize the visual sense of no connecting piece and increase its aesthetics.
- the connecting member 30 in this embodiment can use a fastening screw.
- the edge of the sealing trim plate 21 in this embodiment has a flange 26, the sink groove 31 is located on the inner side of the flange 26, and the outer cylinder seal 22 includes a sleeve part 25, and the sleeve part 25 has a sleeve inside.
- the open groove sleeved on the flange 26 one side of the groove wall of the open groove extends horizontally to form the blocking part 24, and the other side groove wall of the open groove extends to form the matching part 28 and the sealing part 27 respectively.
- the edge of the sealing trim plate 21 has a flange 26, which can increase the overall strength of the sealing trim plate 21 and avoid the deformation of the outer cylinder 15 when it vibrates. 26 may cause damage while increasing the overall aesthetics of the seal trim 21.
- the drum washing machine of this embodiment has eliminated the window gasket, and the outer cylinder seal 22 is installed by installing the sealing trim plate at the cylinder mouth of the outer cylinder, and the outer cylinder seal 22 is kept with the outer cylinder cover 7 when the door is closed.
- the sealing contact realizes the sealing of the cylinder opening of the outer cylinder by the outer cylinder cover 7 .
- the drum washing machine in this embodiment needs to further increase the sealing between the outer cover 6 and the sealing trim plate 21 to increase the sealing effect.
- the elastic sealing ring 46 on the cover 6 is in annular sealing contact with the outer surface of the sealing trim plate 21 when the door is closed.
- the elastic sealing ring 46 includes a sealing body, and the sealing body has a hollow elastic deformation chamber.
- the sealing contact is maintained by elastic deformation by squeezing the sealing body when the door is closed.
- the sealing body of this embodiment has a plurality of elastic deformation chambers separated from each other, which increases the range of elastic deformation and ensures the sealing effect.
- the elastic sealing ring 46 described in this embodiment includes a buckle integrally formed with the sealing body, the outer cover 6 has a clamping groove, and the buckle is clamped in the clamping groove to realize the installation of the elastic sealing ring 46 on the outer cover 6.
- a magnet is arranged on the side of the elastic sealing ring 46 in contact with the sealing trim panel 21 in this embodiment.
- the magnet is adsorbed on the sealing trim panel 21 so that the elastic sealing ring 46 and the sealing trim panel 21 are connected to each other.
- the outer surface of the ring maintains annular sealing contact.
- the sealing trim plate 21 of this embodiment is made of metal material, and the elastic sealing ring 46 of this embodiment is provided with a magnet. After the door is closed, the magnet attracts the sealing trim plate 21 to keep the door closed, and at the same time increases the gap between the door and the elastic sealing ring 46 . sealing effect.
- the outer cylinder cover 7 of this embodiment is sealed by maintaining sealing contact with the cylinder opening of the outer cylinder 15 through the outer cylinder sealing member 22, and the outer cover 6 is sealed by maintaining sealing contact between the elastic sealing ring 46 and the sealing trim plate 21.
- the door is closed, at least two seals from the inside to the outside are formed between the opening of the outer cylinder 15 and the outer cylinder cover 7, and between the sealing trim plate 21 and the outer cover 6, to ensure the safety of the door to the opening of the outer cylinder 15. Sealing effect to avoid water leakage.
- the outer cover 6 of this embodiment is rotatably installed on the front panel 4 of the casing 2 , and the front panel located on the side of the injection port 3 is fixedly installed with the shaft seat 10 through the shaft seat screw 11 .
- a rotating shaft 9 is installed on one side of the outer cover 6 , and the rotating shaft 9 is rotatably installed on the rotating shaft seat 10 , so that the outer cover 6 is rotatably installed on the front panel 4 .
- the front panel on the side opposite to the rotating shaft base 10 of the delivery port 3 is fixedly installed with the locking base screw 18 through the locking base screw 18 , and the outer cover 6 is provided with a locking hook on the opposite side of the rotating shaft 9 .
- the elastic sealing ring 46 in this embodiment is disposed corresponding to the rotating shaft 9 and the lock hook, so that after the outer cover 6 is closed and locked, the elastic sealing ring 46 can be better used for contact sealing.
- the cylinder mouth of the outer cylinder 15 in this embodiment is equipped with an outer cylinder front weight ring 20, and the sealing trim plate 21 blocks the outer cylinder front weight ring 20.
- the casing 2 of the drum washing machine in this embodiment includes: a top panel, a front panel 4, a back panel and a bottom panel.
- the bottom panel is fixed with feet 5 for supporting the entire washing machine.
- the upper part of the front panel 4 is provided with a control panel 1 and a washing machine. Dosing box 8.
- An outer tub 15 is provided inside the casing of the drum washing machine of this embodiment, and an inner tub 14 is coaxially arranged in the outer tub 15 .
- the main purpose of the outer cylinder is to collect the drainage of the inner cylinder 14 and the drainage of the high-speed centrifugation of the inner cylinder 14 .
- the inner cylinder 14 rotates, preferably a lifting rib 13 is provided to continuously lift and drop the clothes, so as to wash the clothes.
- the inner barrel 14 is of a non-porous structure.
- the outer cylinder 15 has a central mounting hole, and the bearing structure is installed and fixed.
- the drive shaft 16 that is fastened to the inner cylinder 14 passes through the illustrated bearing, the drive shaft 16 is connected to the drive motor 17, and the drive shaft 16 has a hollow inlet.
- a dynamic seal is designed between the water inlet pipe and the water inlet channel 12.
- the driving motor 17 in the illustration of this embodiment uses a direct-drive motor as an example for illustration, and similarly has a structure in which water enters the center of the shaft, which is not shown in the illustration.
- the non-porous inner cylinder of the drum washing machine of this embodiment has a taper, and the centrifugal valve is arranged at the position with the largest taper. Under the action of centrifugal force, the centrifugal water on the conical surface will move and converge toward the centrifugal valve along the tapered edge.
- the structure can effectively realize the high-efficiency dehydration and centrifugal drainage of the non-porous inner cylinder.
- the centrifugal valve in this embodiment can be opened at a certain rotational speed, and the rotational speed is N, such as 100 rpm.
- the drum washing machine of this embodiment After washing or rinsing is completed, the drum washing machine of this embodiment starts to drain and dehydrate.
- the drive motor drives the inner cylinder to run to the first rotational speed and maintains for a certain time t1, and the rotational speed is N1, and N1>N.
- N is 110-400 rpm, preferably 170 ⁇ 50 rpm, more preferably 150 ⁇ 20 rpm.
- t1 is in the range of 0.1-5 minutes, preferably 1-2 minutes.
- the centrifugal valve When the rotation speed is gradually increased to the rated dehydration speed (such as 1400 rpm), the centrifugal valve is opened under the action of centrifugal force, and the water contained in the clothes is centrifuged out and discharged by centrifugal force to realize centrifugal drainage.
- the rated dehydration speed such as 1400 rpm
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Abstract
本发明公开了一种滚筒洗衣机，包括：机壳，机壳的前面板开设投放口；外筒，设置在机壳内，外筒的外筒口与投放口相对；内筒，可转动的设置在外筒内，洗涤时可独立盛放洗涤水；以及机门，可开闭的安装在前面板的投放口上；所述的机门包括用于封盖所述投放口的外盖、用于封盖外筒口的外筒盖和以及用于封盖内筒口的内筒盖，所述的外盖与外筒盖固定连接，所述的内筒盖通过转动组件与外盖和/或外筒盖可转动的连接。本发明针对洗衣机不同部件的结构特点，通过一体化的机门同时解决投放口、外筒口以及内筒口的密封问题，且内筒盖与内筒口之间固定连接两者同步转动，相对于动密封方式密封效果好，密封稳定性强，密封寿命更长。
Description
本发明属于洗衣机技术领域，具体地说，涉及一种滚筒洗衣机。
现有技术中，滚筒洗衣机一般包括相互套装的内筒和外筒，外筒密封用于盛水，内筒用于盛放衣物、经旋转内筒以对衣物进行摔打洗涤；同时，内筒上设置脱水孔，以使得外筒中的水经脱水孔流入内筒以对内筒中的衣物进行浸泡、内筒中的水经脱水孔流出至外筒、内筒中衣物上水分在内筒高速旋转时经脱水孔外排至外筒，以实现对衣物进行洗涤的目的。
但是，由于内筒与外筒相互套装，在洗衣机使用过程中内外筒之间容易积存污垢；同时，由于内外筒相互套装，用户无法对内筒外壁、外筒内壁进行清洁，使洗衣机内部细菌增多，降低了洗衣机的洗衣效率、衣物洗涤后的洁净度。
为了解决上述问题，现在也提出了一些专利，比如申请号为CN201410215346.3，名称为一种滚筒洗衣机的中国发明专利，该发明涉及一种滚筒洗衣机，包括箱体，箱体内设有内筒和外筒，外筒与箱体之间设有门封，内筒与驱动装置相连，所述的内筒为无孔内筒，且所述的内筒为筒底处直径小、筒口处直径大的锥形筒，内筒的筒口处向内呈弧形收拢，所述的门封上设有进水导管，进水导管的一端与洗涤水快速加热装置相连，进水导管的另一端穿过门封伸入内筒内，所述的外筒上设有排水口及水压检测装置。由上述技术方案可知，该发明的内筒为无孔内筒，通过设置在门封上的进水导管实现内筒进水，并通过内筒自身的形状在脱水过程中实现排水，这样可以避免在内、外筒之间存水，大幅节约了洗涤用水量。
上述发明提供了一种具有无孔内筒的滚筒洗衣机，解决了内筒与外筒之间存水浪费和内筒与外筒之间积累脏污的问题，但是，由于内筒为无孔内筒，为了实现盛放洗涤水，洗衣机门需要与内筒的筒口之间保持动密封接触，但是动密封接触存在稳定性、有效性较低以及随着时间增长密封性变差等问题。
有鉴于此，如何解决滚筒洗衣机的无孔内筒的筒口密封问题，特提出本发明。
发明内容
本发明要解决的技术问题在于克服现有技术的不足，提供一种内外筒间无水的滚筒洗衣机，可有效的解决内筒的密封盛水问题。
为解决上述技术问题，本发明采用技术方案的基本构思是：
一种滚筒洗衣机，包括：
机壳，机壳的前面板开设投放口；
外筒，设置在机壳内，外筒的外筒口与投放口相对；
内筒，可转动的设置在外筒内，洗涤时可独立盛放洗涤水；
以及机门，可开闭的安装在前面板的投放口上；
所述的机门包括用于封盖所述投放口的外盖、用于封盖外筒口的外筒盖和以及用于封盖内筒口的内筒盖，所述的外盖与外筒盖固定连接，所述的内筒盖通过转动组件与外盖和/或外筒盖可转动的连接。
进一步地，所述外盖的内壁上设置轴承座，所述的转动组件包括安装在轴承座内的转动轴承以及套装在转动轴承的内圈内的转动轴，所述的轴承座穿过所述外筒盖，所述的转动轴与内筒盖固定连接。
进一步地，所述的轴承座的开口内设置与转动轴保持动密封接触的动密封油封，所述的轴承座的外周壁与外筒盖之间设置密封圈。
进一步地，所述转动轴的端部通过紧固螺钉与内筒盖的中心位置处固定连接，所述紧固螺钉与内筒盖上的紧固孔之间设置螺钉密封圈。
进一步地，所述的内筒口上设置内筒密封件，所述的机门关闭时，内筒盖封盖在内筒口上与内筒密封件保持密封接触，形成可独立盛放洗涤水的盛水腔室。
进一步地，所述的内筒密封件包括套装在内筒口的外周壁上的内筒套装部和延伸至内筒口内与内筒盖的周壁密封接触的内筒密封部；
优选地，所述的内筒套装部通过卡箍套装在内筒口的外周壁上。
进一步地，所述的外筒口上固定安装密封饰板，所述的机门关闭时，外筒盖通过密封机构与密封饰板保持密封接触。
进一步地，所述的密封机构包括设置在外筒的筒口上的外筒密封件，所述的机门关闭时，外筒密封件与外筒盖保持环形密封接触。
进一步地，所述的外筒密封件包括配合部和密封部，所述外筒的筒口外壁上开设环形密封槽，所述的密封饰板通过连接件固定安装在外筒的筒口外壁上，同时挤压配合部进入密封 槽内；所述的机门关闭时，所述的密封部与外筒盖保持环形密封接触。
进一步地，所述的密封机构包括设置在外盖上的弹性密封圈，所述的机门关闭时，弹性密封圈与密封饰板的外表面保持环形密封接触；
优选地，所述弹性密封圈与密封饰板接触的一侧设置磁铁，所述的机门关闭时，磁铁吸附在密封饰板上使得弹性密封圈与密封饰板的外表面保持环形密封接触。
采用上述技术方案后，本发明与现有技术相比具有以下有益效果。
本发明的机门包括用于封盖所述投放口的外盖、用于封盖外筒口的外筒盖和以及用于封盖内筒口的内筒盖，所述的外盖与外筒盖固定连接，所述的内筒盖通过转动组件与外盖和/或外筒盖可转动的连接，针对洗衣机不同部件的结构特点，通过一体化的机门同时解决投放口、外筒口以及内筒口的密封问题，且内筒盖与内筒口之间固定连接两者同步转动，相对于动密封方式密封效果好，密封稳定性强，密封寿命更长。
下面结合附图对本发明的具体实施方式作进一步详细的描述。
附图作为本发明的一部分，用来提供对本发明的进一步的理解，本发明的示意性实施例及其说明用于解释本发明，但不构成对本发明的不当限定。显然，下面描述中的附图仅仅是一些实施例，对于本领域普通技术人员来说，在不付出创造性劳动的前提下，还可以根据这些附图获得其他附图。在附图中：
图1是本发明实施例滚筒洗衣机的结构示意图；
图2是图1中A-A向的剖面图；
图3是本发明实施例内筒密封件、外筒密封件装配放大图；
图4是本发明实施例外盖、外筒盖及内筒盖之间的装配放大图。
图中：1、控制板；2、机壳；3、投放口；4、前面板；5、底脚；6、外盖；7、外筒盖；8、洗涤剂投放盒；9、转轴；10、转轴座；11、转轴座螺钉；12、进水孔道；13、提升筋；14、内筒；15、外筒；16、驱动轴；17、驱动电机；18、锁座螺钉；19、锁座；20、外筒前配重环；21、密封饰板；22、外筒密封件；23、内筒密封件；24、阻挡部；25、套装部；26、翻边；27、密封部；28、配合部；29、密封槽；30、连接件；31、沉槽；32、内筒盖；33、内筒密封部；34、内筒套装部；35、卡箍；36、转动轴承；37、外圈；38、支架；39、滚珠；40、内圈；41、轴承座；42、转动轴；43、紧固螺钉；44、动密封油封；45、密封圈；46、 弹性密封圈。
需要说明的是，这些附图和文字描述并不旨在以任何方式限制本发明的构思范围，而是通过参考特定实施例为本领域技术人员说明本发明的概念。
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对实施例中的技术方案进行清楚、完整地描述，以下实施例用于说明本发明，但不用来限制本发明的范围。
在本发明的描述中，需要说明的是，术语“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
如图1至图4所示，本发明提供一种滚筒洗衣机，包括：
机壳2，机壳2的前面板4开设投放口3；
外筒15，设置在机壳2内，外筒15的外筒口与投放口3相对；
内筒14，可转动的设置在外筒15内，洗涤时可独立盛放洗涤水；
以及机门，可开闭的安装在前面板4的投放口3上；
所述的机门包括用于封盖所述投放口的外盖6、用于封盖外筒口的外筒盖7和以及用于封盖内筒口的内筒盖32，所述的外盖6与外筒盖7固定连接，所述的内筒盖32通过转动组件与外盖6和/或外筒盖7可转动的连接。
本实施例的内筒14为筒壁上不开设脱水孔的无孔内筒，洗涤时，内筒14内独立盛放洗涤水，内筒14转动进行衣物洗涤，内筒4内独立盛水，解决了现有洗衣机的洗涤水进入到内筒与外筒之间，随着时间的累积，内筒的外壁和外筒的内壁容易“藏污纳垢”的问题。
现有滚筒洗衣机外筒的作用主要是用于盛水，由于外筒固定不动，一般通过外筒与机体密封连接实现密封。而本实施例的滚筒洗衣机创造性的将内筒14设计成无孔内筒，用于盛放 洗涤水，由于内筒14是水平放置，本实施例需要将内筒14的内筒口进行密封。因此，本实施例的机门包括用于封盖所述投放口的外盖6、用于封盖外筒口的外筒盖7和以及用于封盖内筒口的内筒盖32，所述的外盖6与外筒盖7固定连接，所述的内筒盖32通过转动组件与外盖6和/或外筒盖7可转动的连接，针对洗衣机不同部件的结构特点，通过一体化的机门同时解决投放口、外筒口以及内筒口的密封问题，且内筒盖32与内筒口之间固定连接两者同步转动，相对于动密封方式密封效果好，密封稳定性强，密封寿命更长。
作为本实施例的一种实施方式，如图2及图4所示，本实施例所述外盖6的内壁上设置轴承座41，所述的转动组件包括安装在轴承座41内的转动轴承36以及套装在转动轴承36的内圈内的转动轴42，所述的轴承座41穿过所述外筒盖7，所述的转动轴42与内筒盖32固定连接。本实施例通过转动轴承36实现内筒盖32与外盖6、外筒盖7之间的相对转动，结构简单稳定。
进一步地，本实施例的转动轴承36包括外圈37、内圈40、设置在内圈40与外圈37之间的支架38以及设置在支架38上的滚珠39，本实施例的外圈37与轴承座41的安装孔之间过盈配合，本实施例的转动轴42与内圈40之间过盈配合。
进一步地，本实施例所述的轴承座41的开口内设置与转动轴42保持动密封接触的动密封油封44，所述的轴承座41的外周壁与外筒盖7之间设置密封圈45，这样，可以防止内筒14内的水通过连接间隙渗出流进到机门内。
为了实现转动轴42余内筒盖32之间的连接，本实施例所述转动轴42的端部通过紧固螺钉43与内筒盖32的中心位置处固定连接，所述紧固螺钉43与内筒盖32上的紧固孔之间设置螺钉密封圈。
为了解决内筒盖32与内筒口之间的密封连接，本实施例所述的内筒口上设置内筒密封件23，所述的机门关闭时，内筒盖封32盖在内筒口上与内筒密封件23保持密封接触，形成可独立盛放洗涤水的盛水腔室。
进一步地，所述的内筒密封件23包括套装在内筒口的外周壁上的内筒套装部34和延伸至内筒口内与内筒盖32的周壁密封接触的内筒密封部33。优选地，所述的内筒套装部34通过卡箍35套装在内筒口的外周壁上。
为了解决外筒盖7与外筒口之间的密封，本实施例所述的外筒口上固定安装密封饰板21，所述的机门关闭时，外筒盖7通过密封机构与密封饰板21保持密封接触。
本实施例的滚筒洗衣机取消了现有窗垫密封连接外筒的筒口的方式，通过设置密封饰板21，在所述的机门关闭时通过密封机构与密封饰板21保持密封接触实现外筒的筒口密封，杜绝了现有滚筒洗衣机窗垫积累脏污的问题。另外，本实施例的密封饰板21可以阻挡外筒的筒口处的结构，使得外筒的筒口处更加整洁美观，提升用户的使用体验。
作为本实施例的一种实施方式，所述的密封机构包括设置在外筒的筒口上的外筒密封件22，所述的机门关闭时，外筒密封件22与外筒盖7保持环形密封接触。本实施例采用外筒密封件22直接与外筒盖7的内壁面保持环形密封接触实现机门对于外筒的筒口密封，外筒密封件22的结构更加的简单，相对于窗垫不易积累脏污，且通过机门关闭时与外筒的筒口处挤压增加密封效果。
进一步地，所述的外筒密封件22包括配合部28和密封部27，所述外筒的筒口外壁上开设环形密封槽29，所述的密封饰板21通过连接件30固定安装在外筒15的筒口外壁上，同时挤压配合部28进入密封槽29内；所述的机门关闭时，所述的密封部27与外筒盖7保持环形密封接触。
本实施例的滚筒洗衣机在进行密封饰板21安装的同时，挤压外筒密封件22的配合部28进入密封槽29内，实现外筒密封件22的安装，装配方式简单可靠。本实施例的密封槽29设置在密封饰板21背部所对应的外筒15的筒口边缘上，所述的配合部28为环形弹性体，环形弹性体在密封饰板21安装的同时受挤压进入密封槽29内。
进一步地，本实施例所述密封饰板21上具有沉槽31，沉槽31内开设安装孔，所述的连接件30穿过安装孔固定在沉槽31内；所述的外筒密封件22包括延伸至沉槽31内用于阻挡所述连接件30的阻挡部24。本实施例的阻挡部24在连接件30安装完成后恢复弹性形变，对连接件30及沉槽31进行遮挡，实现无连接件视觉感，增加其美观性。
优选地，本实施例所述的连接件30可采用紧固螺钉。
进一步地，本实施例所述密封饰板21的边缘具有翻边26，所述的沉槽31位于翻边26的内侧，所述的外筒密封件22包括套装部25，套装部25内部具有套装在翻边26上的敞口凹槽，敞口凹槽的一侧槽壁水平延伸形成阻挡部24，敞口凹槽的另一侧槽壁延伸分别形成配合部28和密封部27。本实施例密封饰板21的边缘具有翻边26可以增加密封饰板21的整体强度，避免外筒15震动时发生形变，同时将外筒密封件套住翻边26，避免用户接触到翻边26可能会造成损伤，同时增加了密封饰板21的整体美观性。
由上述可知，本实施例的滚筒洗衣机取消了窗垫，通过在外筒的筒口处安装密封饰板实现外筒密封件22的安装，外筒密封件22在机门关闭时与外筒盖7保持密封接触，实现了外筒盖7对外筒的筒口密封。同时，本实施例的滚筒洗衣机还需要进一步增加外盖6与密封饰板21之间的密封，增加密封的效果，具体地，如图2所示，本实施例所述的密封机构包括设置在外盖6上的弹性密封圈46，所述的机门关闭时，弹性密封圈46与密封饰板21的外表面保持环形密封接触。
进一步地，所述的弹性密封圈46包括密封本体，密封本体具有中空的弹性形变腔室。这样，在机门关闭时通过挤压密封本体进行弹性形变保持密封接触。优选地，本实施例的密封本体具有相互隔开的多个弹性形变腔室，增加弹性形变的范围，确保密封效果。
本实施例所述的弹性密封圈46包括与密封本体一体成型的卡扣，所述的外盖6上具有卡槽，所述的卡扣卡接在卡槽内，实现了弹性密封圈46安装在外盖6上。
进一步地，本实施例所述弹性密封圈46与密封饰板21接触的一侧设置磁铁，所述的机门关闭时，磁铁吸附在密封饰板21上使得弹性密封圈46与密封饰板21的外表面保持环形密封接触。本实施例的密封饰板21采用金属材料制作，本实施例的弹性密封圈46上设置磁铁，机门关闭后磁铁吸附密封饰板21保持关门状态，同时增加机门与弹性密封圈46之间的密封效果。
本实施例的外筒盖7通过外筒密封件22与外筒15的筒口保持密封接触进行密封，外盖6通过弹性密封圈46与密封饰板21之间保持密封接触进行密封，这样，在机门进行关闭时，在外筒15的筒口与外筒盖7之间、密封饰板21与外盖6之间形成由内向外的至少两道密封，确保了机门对于外筒15的筒口的密封效果，避免漏水。
如图2所示，本实施例的外盖6可转动的安装在机壳2的前面板4上，位于投放口3一侧的前面板上通过转轴座螺钉11固定安装转轴座10，所述外盖6的一侧安装转轴9，所述的转轴9可转动的安装在转轴座10上，从而实现外盖6可转动的安装在前面板4上。
本实施例位于投放口3与转轴座10相对的一侧的前面板上通过锁座螺钉18固定安装锁座19，所述外盖6上与转轴9相对一侧安装锁钩。
本实施例的弹性密封圈46对应转轴9、锁钩设置，这样，在外盖6关闭锁定后可以更好的作用在弹性密封圈46进行接触密封。
作为本实施例的一种实施方式，本实施例的外筒15的筒口安装外筒前配重环20，所述 的密封饰板21阻挡所述外筒前配重环20。
本实施例的滚筒洗衣机的机壳2包括：上台面板，前面板4，后背板和底板，底板上安装固定了底脚5，用于支撑整个洗衣机，前面板4上部设置控制板1以及洗涤剂投放盒8。
本实施例滚筒洗衣机的机壳内部具有外筒15，外筒15内同轴设置了内筒14。外筒主要目的为了收集内筒14的排水及内筒14高速离心的排水。内筒14旋转，优选的是设置了提升筋13，不断的提升跌落摔打衣物，以便洗净衣物。内筒14是无孔结构的。
外筒15具有中心安装孔，安装固定了轴承结构，与内筒14紧固连接的驱动轴16穿过所示轴承,所述驱动轴16连接驱动电机17,所述驱动轴16具有中空的进水孔道12，所述进水管与进水孔道12之间设计了动密封。
本实施例图例的驱动电机17采用直驱电机为例说明,类似的也具有轴中心进水的结构,不再图例。
本实施例滚筒洗衣机的无孔内筒具有锥度,且离心阀设置在锥度最大处。在锥形面的离心水在离心力作用下，会沿着锥度边向离心阀运动、汇聚。该结构可以有效实现无孔内筒的高效脱水性和离心排水性。
本实施例的离心阀在一定转速可以打开,转速为N，如100转/分钟。
本实施例的滚筒洗衣机在洗涤或者漂洗完成后,开始排水脱水。
本实施例的滚筒洗衣机的排水过程：
在偏心量M1以下的情况下,驱动电机驱动内筒运转至第一转速并维持一定时间t1,其转速为N1，N1＞N。
如N为110-400转/分钟，优选的是170±50转/分钟，更为选优的在150±20转/分钟。
t1范围在0.1-5分钟之间，优选的是在1-2分钟。
此时可以将内筒中大部分的水排出内筒，且有效带水分布负载，有效实现均与分布负载，实现降低偏心，降低后续高速脱水的振动。
本实施例的滚筒洗衣机的脱水过程：
在转速逐步升高至额定脱水转速(如1400转/分钟),离心阀在离心力作用下打开，衣物中含有的水被离心脱出，经离心排出，实现离心排水。
以上所述仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发 明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专利的技术人员在不脱离本发明技术方案范围内，当可利用上述提示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明方案的范围内。
Claims (12)
- 一种滚筒洗衣机，其特征在于，包括：机壳，机壳的前面板开设投放口；外筒，设置在机壳内，外筒的外筒口与投放口相对；内筒，可转动的设置在外筒内，洗涤时可独立盛放洗涤水；以及机门，可开闭的安装在前面板的投放口上；所述的机门包括用于封盖所述投放口的外盖、用于封盖外筒口的外筒盖和以及用于封盖内筒口的内筒盖，所述的外盖与外筒盖固定连接，所述的内筒盖通过转动组件与外盖和/或外筒盖可转动的连接。
- 根据权利要求1所述的滚筒洗衣机，其特征在于，所述外盖的内壁上设置轴承座，所述的转动组件包括安装在轴承座内的转动轴承以及套装在转动轴承的内圈内的转动轴，所述的轴承座穿过所述外筒盖，所述的转动轴与内筒盖固定连接。
- 根据权利要求2所述的滚筒洗衣机，其特征在于，所述的轴承座的开口内设置与转动轴保持动密封接触的动密封油封，所述的轴承座的外周壁与外筒盖之间设置密封圈。
- 根据权利要求2所述的滚筒洗衣机，其特征在于，所述转动轴的端部通过紧固螺钉与内筒盖的中心位置处固定连接，所述紧固螺钉与内筒盖上的紧固孔之间设置螺钉密封圈。
- 根据权利要求1-4任意一项所述的滚筒洗衣机，其特征在于，所述的内筒口上设置内筒密封件，所述的机门关闭时，内筒盖封盖在内筒口上与内筒密封件保持密封接触，形成可独立盛放洗涤水的盛水腔室。
- 根据权利要求5所述的滚筒洗衣机，其特征在于，所述的内筒密封件包括套装在内筒口的外周壁上的内筒套装部和延伸至内筒口内与内筒盖的周壁密封接触的内筒密封部。
- 根据权利要求6所述的滚筒洗衣机，其特征在于，所述的内筒套装部通过卡箍套装在内筒口的外周壁上。
- 根据权利要求1-4任意一项所述的滚筒洗衣机，其特征在于，所述的外筒口上固定安装密封饰板，所述的机门关闭时，外筒盖通过密封机构与密封饰板保持密封接触。
- 根据权利要求8所述的滚筒洗衣机，其特征在于，所述的密封机构包括设置在外筒的筒口上的外筒密封件，所述的机门关闭时，外筒密封件与外筒盖保持环形密封接触。
- 根据权利要求9所述的滚筒洗衣机，其特征在于，所述的外筒密封件包括配合部和 密封部，所述外筒的筒口外壁上开设环形密封槽，所述的密封饰板通过连接件固定安装在外筒的筒口外壁上，同时挤压配合部进入密封槽内；所述的机门关闭时，所述的密封部与外筒盖保持环形密封接触。
- 根据权利要求9所述的滚筒洗衣机，其特征在于，所述的密封机构包括设置在外盖上的弹性密封圈，所述的机门关闭时，弹性密封圈与密封饰板的外表面保持环形密封接触。
- 根据权利要求11所述的滚筒洗衣机，其特征在于，所述弹性密封圈与密封饰板接触的一侧设置磁铁，所述的机门关闭时，磁铁吸附在密封饰板上使得弹性密封圈与密封饰板的外表面保持环形密封接触。
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