CN108823896B - Water-saving washing machine - Google Patents
Water-saving washing machine Download PDFInfo
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- CN108823896B CN108823896B CN201810517187.0A CN201810517187A CN108823896B CN 108823896 B CN108823896 B CN 108823896B CN 201810517187 A CN201810517187 A CN 201810517187A CN 108823896 B CN108823896 B CN 108823896B
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- washing machine
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- 238000005406 washing Methods 0.000 title claims abstract description 96
- 238000004062 sedimentation Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 230000004323 axial length Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000008719 thickening Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 49
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000010865 sewage Substances 0.000 abstract description 9
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000009776 industrial production Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000004043 dyeing Methods 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 210000002268 wool Anatomy 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
- D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry
- D06F23/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and rotating or oscillating about a horizontal axis
-
- 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
- D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention relates to the field of industrial washing machines, in particular to a water-saving washing machine, which comprises an outer barrel, an inner barrel and a rotating shaft, wherein the outer barrel and the inner barrel are fixed on a machine base; the inner barrel is coaxially and horizontally arranged in the outer barrel and is driven by the rotating shaft to rotate; the surrounding wall of the inner barrel is provided with a plurality of small holes, and the surrounding wall of the inner barrel is provided with an inner door; an outer door corresponding to the inner door is arranged on the surrounding wall of the outer barrel; the inner barrel is provided with a lock catch for locking the inner door; an inner sinking area is arranged on the inner barrel surrounding wall; the inner door is arranged on the inner sinking area; the technical scheme of the invention can furthest reduce the width of the gap between the inner barrel and the outer barrel, thereby reducing the water consumption for actually washing clothes, reducing the subsequent sewage treatment force, reducing the environmental pollution and also reducing the production cost of factories.
Description
Technical Field
The invention relates to the field of industrial washing machines, in particular to a water-saving washing machine.
Background
In the production process of laundry, dyeing, dehydration, fixation and the like are required. The dyeing is a process of dyeing the fiber material with color, and after the dyeing of the clothes is completed, the floating color is required to be washed off by clean water, and in industrial production, a large-scale washing machine is commonly used for completing the washing process of a large number of clothes. With the maturity of production technology, modern industrial washing machine can be used to wash various cotton fabrics, wool fabrics, hemp, chemical fibre blending etc. clothing fabrics, has wide application in clothing factories, water washing factories, industrial and mining enterprises, schools, hotels, hospitals etc. laundry rooms, is the ideal equipment for reducing labor intensity, improving work efficiency, reducing energy consumption.
In industrial production, a common industrial washing machine is a horizontal washing machine, and the greatest difference is the capacity compared with a common household washing machine: the capacity of a common household washing machine is about 10 kg at most, and the maximum capacity of the existing industrial washing machine can reach 300 kg or more. Because of the large capacity, the laundry is more washed in unit time, and in order to ensure the washing effect of the laundry, a sufficient amount of water needs to be injected into the inner tub of the washing machine, so that the laundry in the inner tub is fully immersed in water, and the water level is called an effective water level.
As shown in fig. 11, an inner door 321 'is opened on an inner tub 3' of the conventional industrial washing machine, and a lock catch 33 'for closing the inner door is arranged on the inner door 321', and the lock catch 33 'is necessarily caused to be protruded on the inner door 321' because the upper surface of the inner door 321 'and the outer side surface of the inner tub 3' are located in the same arc plane; finally, in order to ensure that the inner barrel of the washing machine can normally operate in the outer barrel, the gap between the inner barrel and the outer barrel is necessarily increased, at the moment, if the condition of normal washing of clothes needs to be met, the depth of the effective water level in the inner barrel from the bottom of the outer barrel is increased along with the increase of the gap, the size of a general industrial washing machine is larger, the outer diameter of the outer barrel can reach 1.5 meters, the length can reach 2.5 meters, the water consumption is obviously increased, and water resources are wasted; secondly, along with the increase of the current environmental protection force, the sewage after washing clothes can not be directly discharged and sewage treatment is needed, so that the waste of water resources can also cause the task of subsequent sewage treatment to be aggravated, and the production cost of factories is increased.
Disclosure of Invention
Accordingly, the present invention is directed to a water-saving washing machine, which can reduce the water consumption of the washing machine while ensuring the washing effect of laundry, thereby reducing the subsequent sewage treatment force and the production cost.
The technical scheme of the invention is that the device comprises an outer barrel, an inner barrel and a rotating shaft driven by a motor, wherein the outer barrel and the inner barrel are fixed on a machine base;
the inner barrel is coaxially and horizontally arranged in the outer barrel and is driven by the rotating shaft to rotate;
the surrounding wall of the inner barrel is provided with a plurality of small holes, and the surrounding wall of the inner barrel is provided with an inner door;
an outer door corresponding to the inner door is arranged on the surrounding wall of the outer barrel;
the inner barrel is provided with a lock catch for locking the inner door;
an inner sinking area is arranged on the inner barrel surrounding wall; the inner door is mounted on the inner sink zone.
In the prior art, a washing machine suitable for industrial production mainly comprises an outer barrel, an inner barrel and a rotating shaft, wherein the outer barrel and the inner barrel are fixed on a machine base, and the rotating shaft is driven by a motor; secondly, the industrial washing machine also comprises a water inlet, a water outlet, a transmission mechanism and a heat radiating device. Wherein, the rotating shaft, the transmission mechanism and the motor form a driving mechanism of the inner barrel, the inner barrel which is connected with the rotating shaft and used for washing clothes is sleeved in the outer barrel, and the inner barrel and the outer barrel are generally coaxially and horizontally placed; the water inlet is generally arranged at the middle upper part of the outer barrel, the water outlet is generally arranged at the bottom of the outer barrel and is connected with an external wastewater collection system; the heat sink is generally arranged at the upper part of the outer tub, and absorbs heat generated by the washing machine in a condensed water mode.
The outer barrel of the washing machine is a water tank and a water collector; in the process of washing clothes, the outer barrel is a water tank and is used for storing mixed liquid of tap water and detergent, the mixed liquid has a certain water level in the outer barrel and is used for soaking the clothes in the inner barrel, the inner barrel is driven by the rotating shaft to continuously rotate, and the clothes at the bottom of the inner barrel are lifted to a high position and then fall down for beating washing; after washing is completed, washing wastewater in the inner barrel flows into the outer barrel from a plurality of small holes on the surrounding wall of the inner barrel to be collected, is discharged out of the washing machine through a drainage system communicated with a water outlet at the bottom of the outer barrel, and then enters a wastewater collection system in a factory to be treated.
The industrial washing machine needs to meet the requirement of washing a large amount of clothes in unit time, so that the size of the industrial washing machine is generally larger, the outer diameter of the outer barrel can reach 1.5 meters, the length of the outer barrel can reach 2.5 meters, and in order to enable the clothes in the inner barrel to be immersed in water, if the gap between the inner barrel and the outer barrel is larger, the water quantity actually needed is larger, and the requirement of an effective water level can be met.
In order to reduce the height of the effective water level, a method for reducing the gap between the inner barrel and the outer barrel can be adopted; in the technical scheme, the inner barrel is opened up, even if the outer side surface of the inner sinking area is lower than the upper surface of the inner barrel, the highest point of components on the outer side surface of the inner barrel, such as a hinge part for folding the inner door, a lock catch for locking the inner door and the like, is ensured to be not higher than the outer side surface of the inner barrel; then, the inner door is arranged on the inner sinking area; after the arrangement, when the size design of the inner barrel and the outer barrel of the washing machine is carried out, only a small gap is needed to be reserved, so that the inner barrel can be driven by the rotating shaft to rotate, the width of the gap between the inner barrel and the outer barrel can be reduced to the greatest extent, and the water consumption for actually washing clothes is reduced; when the clothes are washed, the discharged washing sewage quantity is obviously reduced, the subsequent sewage treatment force is reduced, the pollution to the environment is reduced, and the production cost of a factory can be reduced.
Further, the inner sedimentation zone is positioned in a sector area of 1/5 to 1/3 of the circumference of the inner barrel surrounding wall, and the axial length of the inner sedimentation zone is equal to the length of the inner barrel.
When designing the inner sedimentation zone, a sector area of 1/5 to 1/3 of the circumference of the inner barrel surrounding wall can be defined as an inner sedimentation zone, and further, the inner sedimentation zone occupies 1/4 of the inner barrel surrounding wall; the inner barrel is formed by splicing an inner sinking area of a 1/4 barrel and a 3/4 barrel. In order to ensure the water tightness and the connecting structure of the splicing area, flat steel can be welded at the edge of the inner sinking area for connecting and sealing the inner sinking area and the inner barrel, then an opening is formed in the inner sinking area of the 1/4 round barrel, and an inner door is hinged at the opening. By adopting the structure, only two barrel areas are required to be connected, and the structure is simple.
Further, the inner sinking zone is located in the axial middle area, and the distance d3 between the edge of the inner sinking zone and the edge of the inner door is 80mm to 150mm.
In the technical scheme, the inner sedimentation zone with another structural form can be adopted, and the specific structure is as follows: setting an area with a distance d3 of 80-150 mm from the edge of the inner door as an inner sinking area, sinking the arc rectangular area to be lower than the outer side surface of the inner barrel, ensuring that the inner sinking area is positioned in the middle of the inner barrel, and ensuring that the axial length of the inner sinking area is 40-70% of the length of the inner barrel, wherein an opening at the inner door arranged on the inner sinking area is not too small so as to facilitate a worker to deliver clothes, and ensuring that a large opening is prevented from being formed on the inner barrel, so that the structural strength of the inner barrel is ensured; in addition, the inner sinking area and the edge of the inner barrel are welded and sealed by flat steel.
Further, in modern industrial washing machines, the outer diameter of the outer tub can reach 1.5 meters, the length can reach 2.5 meters, in order to meet the capacity of the inner tub for containing clothes, the distance d1 between the inner tub and the outer tub can be 50mm to 100mm, further, d1 is 80mm, the requirement that the inner tub rotates in the outer tub under the driving of the rotating shaft is met, and the excessive consumption of water caused by the overlarge distance between the inner tub and the outer tub is avoided.
Further, 3 to 5 inner convex edges are arranged on the inner barrel surrounding wall and uniformly distributed in the inner barrel.
In the process of washing clothes, the clothes at the bottom of the inner barrel are dropped from a high place to perform beating washing, and as the clothes fully absorbing water are very heavy to 300 kg or even higher, the impact force on the inner barrel is huge, and even more, the clothes dropped from the high place can bring impact force allowance to the outer barrel and the machine base; after a period of use, the outer barrel and the inner barrel are easy to deform and damage; therefore, in the technical scheme, 3 to 5 inner convex edges are arranged on the inner barrel surrounding wall, the ratio of the maximum height of the inner convex edges to the radius of the inner barrel is between 0.2 and 0.4, and the inner barrel does not occupy the inner space of the inner barrel on the premise of ensuring that the inner barrel has enough strength, thereby ensuring that the washing machine has enough washing space; and secondly, the inner sedimentation zone is arranged between two adjacent inner ribs, so that the continuity of each inner rib can be ensured, and the structural strength of the inner rib is improved.
Furthermore, as the stability of the triangle is better than that of a quadrangle, the cross section of the inner convex edge perpendicular to the axial direction of the rotating shaft can be set to be a surrounding edge structure similar to a triangle, namely the cross section is a triangle, preferably an isosceles triangle, and the vertex of the triangle adopts arc transition, so that the friction on clothes is reduced, and the clothes are prevented from being hooked or scratched; and secondly, the inner convex rib can be fixed on the inner wall of the inner barrel in a welding mode.
Furthermore, the triangular inner rib and the inner barrel are integrally formed, and an arc plate is welded at the concave parts of the triangular inner rib and the inner barrel, and the arc plate forms the bottom edge of the triangular inner rib, so that the structural strength of the inner barrel can be further enhanced. The length of the inner convex edge is slightly smaller than or equal to the length of the inner barrel; the inner convex rib can be made of the same material as the inner barrel, can serve as a reinforcing rib of the surrounding wall of the inner barrel, and greatly enhances the structural strength of the inner barrel after the inner convex rib is arranged on the premise of the inner barrel with the same size and the same wall thickness; when the washing step is carried out, the internal barrel with the increased structural strength is subjected to the impact of the clothes saturated with water, the tolerance time is prolonged, namely the probability of the compressive deformation of the internal barrel is reduced, the impact of the internal barrel on the external barrel and the machine seat is reduced, the damage probability of the washing machine can be reduced, and the service life of the washing machine is prolonged.
Further, in the present technical solution, the following three points are combined: the outer diameter of the outer barrel can reach 1.5 m, the distance d1 between the inner barrel and the outer barrel is 50mm to 100mm, the ratio of the maximum height of the inner convex edge to the radius of the inner barrel is 0.2 to 0.4, the inner diameter of the inner barrel can be at least 1.4 m, namely the height of the inner convex edge is 280mm to 560mm, at the moment, the ratio of the distance d2 between the outer surface of the inner sinking area and the outer surface of the inner barrel to the height of the inner convex edge is 1/4 to 1/2, namely d2 is 70mm to 140mm, the sufficient welding allowance between the inner convex edge and the inner sinking area can be ensured, and the inner barrel capacity can be prevented from being reduced due to excessive sinking of the inner sinking area.
Further, outer convex edges are symmetrically arranged on two sides of the lower portion of the outer barrel, and a thick plate is arranged between the outer convex edges.
In order to improve the structural strength of the outer tub, the simplest method is that the thickness of the outer tub material can be increased, but because the industrial washing machine is larger in size, the outer diameter of the outer tub can be 1.5 meters generally, the length can be 2.5 meters, if the thickness of the outer tub material is increased, the whole weight of the washing machine is increased, the transportation is inconvenient, and the manufacturing cost of the washing machine is increased due to the increase of the thickness of the outer tub material, therefore, in the technical scheme, the outer ribs are symmetrically arranged on two sides of the lower part of the outer tub, the outer ribs can be of a surrounding edge structure with triangular or quadrangular cross section, and can also be made of solid steel pipes or flat steel, and the length is slightly smaller than or equal to the length of the outer tub; the outer convex edges can be made of the same material as the outer barrel and can serve as reinforcing ribs of the outer barrel, and the structural strength of the outer barrel after the outer convex edges are arranged can be greatly enhanced on the premise of the outer barrel and the wall thickness of the outer barrel with the same size.
Generally, the water level in the washing machine is 1/5 to 1/3 of the water level in the outer tub, and the included angle alpha between the outer convex edge and the lowest point of the outer tub is 50 to 70 degrees, and further, the included angle alpha is 50 to 55 to 60 to 65 to 70 degrees by combining the outer diameter of the outer tub of the industrial washing machine with 1 to 1.5 meters; in other words, the outer ribs which are symmetrically arranged and fixed at two sides of the lower part of the outer tub are positioned at the left and right sides of the water level line in the washing machine, so that the aim of the arrangement is that the pressure under the water level line in the washing machine is the maximum when clothes washing or dewatering is carried out, and especially, the outer tub can also receive shearing force at two sides of the water level line, therefore, the outer ribs are arranged at the positions, and the structural strength of the outer tub can be increased.
Further, considering that the outer convex edge is positioned at the outer side of the outer barrel, in order to avoid damage to workers due to excessive sharp angles, the outer convex edge can be arranged to be trapezoid in cross section perpendicular to the axial direction of the rotating shaft, and further, the outer convex edge is of an isosceles trapezoid surrounding edge structure; secondly, the isosceles trapezoid-shaped outer protruding edges can be fixed on the outer side of the outer barrel in a welding mode, and compared with solid steel pipes or flat steel, the trapezoid-shaped surrounding edge structure is more uniform in welding seams during welding, so that stress concentration is reduced.
Further, when washing or dehydrating clothes, the outer tub below the water level of the washing machine is subjected to the greatest pressure, so that a thick plate is arranged between the outer ribs, i.e., in the area of the outer tub below the water level of the washing machine, thereby further enhancing the structural strength of the outer tub.
Further, the washing machine further includes a bridging device provided at an outside of the enclosing wall of the outer tub, for closing a gap between the inner tub and the outer tub when both the inner door and the outer door are opened.
Because the washing machine in this technical scheme still has the function of hydroextractor, consequently, there is certain clearance between outer bucket and the interior bucket of washing machine, generally between 60mm to 100mm, when the workman opens interior door and outer door after, in the time of delivering the clothing in the interior bucket, because the existence of clearance, can appear that the clothing drops in the clearance, if carelessly, when delivering and finish, wash or dewater when carrying out, the clothing that drops in the clearance can twine between outer bucket and interior bucket, leads to the trouble and shut down. In order to avoid the occurrence of the situation, in the technical scheme, a lap joint device is arranged for closing the gap between the inner barrel and the outer barrel; the clothes are prevented from falling into the gap, and the normal operation of the washing machine is maintained.
Further, the lap joint device comprises a toggle plate and a lap joint plate; the toggle plate is fixed on the outer side of the surrounding wall of the outer barrel; the lapping plate is rotationally connected with the toggle plate, and the effective length of the lapping plate is not smaller than the width of the gap between the inner barrel and the outer barrel.
In the technical scheme, the lap joint device consists of a toggle plate and a lap joint plate, and when the inner door and the outer door are in a closed state, the lap joint plate is positioned at a naturally hanging position; when a worker opens the inner door and the outer door, the lapping plate is required to be folded first until the lapping plate completely covers the width of the gap between the inner barrel and the outer barrel, and then, the worker can put clothes to be washed into the inner barrel or remove dehydrated clothes, so that the clothes can be prevented from falling from the gap; wherein, the portion of the overlap plate that can cover the gap width is referred to as the effective length of the overlap plate. Furthermore, the lapping plate is L-shaped, the length of the long side of the L-shaped is not smaller than the width of the gap between the inner barrel and the outer barrel, and after the lapping plate is folded by workers, the short side of the L-shaped can be buckled on the inner side of the opening on the inner barrel, so that the lapping plate forms a relatively stable support structure with the inner barrel and the outer barrel, and the operation of the workers is facilitated.
Further, the lock catch comprises a guide bracket fixed on the inner door, a plugboard and a bolt fixed on the inner door;
the guide bracket and the plugboard are respectively provided with a small hole for the bolt to pass through;
the bolt is arranged between the guide bracket and the small hole of the plugboard by adopting an elastic component;
when the elastic component is not pressed by external force, the lock catch is locked;
when the elastic component is pressed by external force, the lock catch is unlocked.
When a worker needs to wash clothes, the outer door on the outer barrel needs to be opened firstly, the clothes can be delivered after the inner door is opened, and after the clothes are delivered, the inner door and the outer door need to be closed in sequence, and then the motor is started to start the washing process. In this stage, since the industrial washing machine is large in size, the outer door is opened to increase the speed of laundry delivery and take-out. For industrial washing machines with smaller sizes, an outer door and an inner door are generally arranged, the length of the outer door accounts for 1/2 to 2/3 of the length of the outer barrel, and the arc length is close to 1/4 circumference of the outer door, so that the outer door is heavy and inconvenient to open or close by manpower, and in actual industrial production, a hydraulic device is often adopted to realize the opening or closing of the outer door. Secondly, in order to ensure the watertight characteristic and the structural strength of the opening corresponding to the outer door, sealing strips are arranged around the opening of the outer barrel or the opening of the outer door, and reinforcing ribs are arranged around the opening of the outer barrel, so that the structural strength of the opening is conveniently increased.
The inner barrel of the industrial washing machine does not need to ensure the water tightness, and the manufacturing material is generally thinner; for convenient operation, the size of the inner door is slightly smaller than that of the outer door at the beginning of design, and the inner door has lighter weight as a whole; secondly, the inner door can rotate along with the rotation of the inner barrel, and when the inner door is opened or closed, the inner door cannot be opened or closed in an automatic mode such as a hydraulic mode.
In the technical scheme, the structure is illustrated by taking the lock catch positioned at the left side of the bottom of the inner door as an example, and the lock catch mounting mode at the right side of the bottom of the inner door and the lock catch at the left side are symmetrically arranged along the central line of the inner door.
The guide bracket is welded and fixed at the left lower corner of the inner door on a lock catch positioned at the left side of the bottom of the inner door, the structure of the guide bracket is a quadrilateral frame structure made of metal plates, small holes are formed at the two ends of a right side plate, a left side plate and a plugboard of the quadrilateral frame structure, the small holes at each end are consistent in size, and the circle centers are on the same straight line; the bolt is of a transverse H-shaped structure formed by welding and fixing two transverse long rods and one short rod, the outer diameter of the long rod is matched with the small hole, and the center of the small hole is arranged on the axis of the long rod so as to ensure that the long rod can move left and right along the right side plate, the left side plate and the inserting plate; the elastic component is the spring, and be equipped with two, the cover is established respectively on the stock between quarter butt and right side board, and under no exogenic action, the spring is compressed state, at this moment, in order to guarantee that the stock can not break away from picture peg or right side board, can set up the fastener in the one end that the quarter butt surpassed right side board, when spring self elastic deformation trend makes the quarter butt remove to the left side, the fastener guarantees that the stock can not break away from right side board, make two horizontal stock remove along the aperture on right side board, left side board and the picture peg under spring self elastic deformation trend, make the bolt card go into between the aperture of guide bracket and picture peg, thereby realize the locking of hasp, need not to adopt external force control, can realize the locking under the internal door natural state, the structural reliability is high.
When a worker opens the outer door and needs to unlock the lock catch, the short rod is only pressed by hand to move to the right side, in the process, the spring is compressed to one side of the compressed right side plate, so that the two transverse long rods are driven to move to the right side, and finally the two transverse long rods are separated from the small holes on the plugboard, so that the lock catch is unlocked; correspondingly, the lock catch positioned on the right side of the bottom of the inner door can be unlocked by adopting the same steps; therefore, in the whole unlocking process, workers can operate with both hands at the same time, and the unlocking of the inner door is conveniently and rapidly realized.
Further, the lock catch further comprises a limiting plate which is fixed on the guide bracket and faces to the pressed side of the elastic component, and the limiting plate is used for limiting the displacement of the bolt.
The limiting plate is arranged in the middle of the lock catch, so that the lock catch is prevented from being opened by workers, the force is excessive, the springs are compressed too much, the two transverse long rods are separated from the left side plate, and after the workers release hands, the two transverse long rods cannot return to the small holes on the plugboard along the small holes on the right side plate and the left side plate. Furthermore, the distance between the left side point of the limiting plate and the short rod is larger than the length of the long rod beyond the left side of the inserting plate and smaller than the distance between the inserting plate and the left side plate, so that the two transverse long rods can always move between the inserting plate and the left side plate, and the normal work of the locking device is guaranteed.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the technical scheme, the inner door is arranged on the inner barrel in an inward sinking manner, so that the width of a gap between the inner barrel and the outer barrel can be reduced to the greatest extent, the water consumption for actually washing clothes is reduced, the subsequent sewage treatment force is reduced, the environmental pollution is reduced, and the production cost of a factory can be reduced;
2. the inner convex rib, the outer convex rib and the thick plate are arranged, so that the structural strength of the inner barrel and the outer barrel is enhanced;
3. the lapping plate is arranged to cover the width of the gap between the inner barrel and the outer barrel, so that clothes are prevented from falling from the gap, and the failure probability of the washing machine is reduced;
4. the locking structure is arranged, the locking of the inner door in a natural state can be realized without external force control, and the structural reliability is high; the unlocking of the inner door can be realized conveniently and rapidly.
Drawings
Fig. 1 is a left side view of the washing machine of the present invention.
Fig. 2 is a front view of the washing machine of the present invention.
Fig. 3 is a perspective view of the inner tub in embodiment 1.
Fig. 4 is a perspective view of the inner tub in embodiment 2.
Fig. 5 is a front view of the inner tub in embodiment 2.
Fig. 6 is a cross-sectional view of the inner tub at the inner door in the present invention.
Fig. 7 is a sectional view of the tub in the present invention.
Fig. 8 is an enlarged view at C in fig. 7.
Fig. 9 is an enlarged view at a in fig. 3.
Fig. 10 is an enlarged view at B in fig. 3.
Fig. 11 is a sectional view of an inner tub in the related art.
Detailed Description
The invention is further described below in connection with the following detailed description. Wherein like or similar reference numerals correspond to like or similar components throughout the several figures of the embodiments of the present invention, for the purpose of illustration only and not to be construed as limiting the invention; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; the terms "upper," "lower," "left," "right," and the like in the examples herein, refer to an orientation or positional relationship based on that shown in the drawings, rather than to indicate or imply that the devices or elements being referred to must have a particular orientation or be configured in a particular orientation, as would be understood by those of ordinary skill in the art, the particular meaning of the terms being specifically understood.
Example 1
As shown in fig. 1 and 2, a water-saving washing machine includes an outer tub 2 fixed to a housing 1, an inner tub 3, and a rotation shaft 5 driven by a motor; the inner barrel 3 is coaxially and horizontally arranged in the outer barrel 2 and is driven by the rotating shaft 5 to rotate; a plurality of small holes are distributed on the surrounding wall of the inner barrel 3, and an inner door 32 is arranged on the surrounding wall of the inner barrel 3; an outer door 24 corresponding to the inner door 32 in position is arranged on the surrounding wall of the outer barrel 2; a lock catch 33 is arranged on the inner barrel 3 and used for locking the inner door 32; an inner sinking area 31 is arranged on the surrounding wall of the inner barrel 3; the inner door 32 is installed on the inner sink zone 31; in addition, the interval d1 between the inner barrel 3 and the outer barrel 2 is 80mm, so that the requirement that the inner barrel 3 rotates in the outer barrel 2 under the driving of the rotating shaft 5 is met, and the excessive consumption of water caused by the excessive interval between the inner barrel 3 and the outer barrel 2 is avoided.
As shown in fig. 3, a barrel 1/4 of the circumference of the surrounding wall of the inner barrel 3 is defined as an inner sedimentation zone 31, and the axial length of the inner sedimentation zone 31 is equal to the length of the inner barrel 3; i.e. the inner barrel 3 is formed by splicing the inner sinking area 31 of the 1/4 barrel and the 3/4 barrel. In order to ensure the water tightness and the connection structure of the spliced area, a flat steel may be welded at the edge of the inner sink area 31 for connecting and sealing the inner sink area 31 and the inner tub 3, and then, an inner door 32 is hinged at the opening at the inner sink area 31 of the 1/4 drum. By adopting the structure, only two barrel areas are required to be connected, and the structure is simple.
As shown in fig. 6, 4 inner ribs 34 are provided on the surrounding wall of the inner barrel 3 and uniformly distributed inside the inner barrel 3; the ratio of the distance d2 between the outer surface of the inner sinking section 31 and the outer surface of the inner barrel 3 to the height of the inner rib 34 is set between 1/3; preferably, since the stability of the triangle is better than that of the quadrangle, the cross section of the inner convex edge 34 perpendicular to the axial direction of the rotating shaft 5 can be set to be a surrounding edge structure similar to a triangle, namely, the cross section is isosceles triangle, and the vertex of the triangle adopts arc transition, so that the friction on clothes is reduced, and the clothes are prevented from being hooked or scratched; secondly, the inner convex rib 34 can be fixed on the inner wall of the inner barrel 3 in a welding mode; more preferably, the triangular inner rib 34 and the inner barrel 3 are integrally formed, and an arc plate 341 is welded at the concave position of the triangular inner rib 34 and the inner barrel 3, and the arc plate 341 forms the bottom edge of the triangular inner rib 34, so that the structural strength of the inner barrel 3 can be further enhanced. The length of the inner convex edge 34 is slightly smaller than or equal to the inner length of the inner barrel 3; the inner rib 34 can be made of the same material as the inner barrel 3, and can serve as a reinforcing rib of the surrounding wall of the inner barrel 3, and the structural strength of the inner barrel 3 after the inner rib 34 is arranged is greatly enhanced on the premise of the inner barrel 3 with the same size and the same wall thickness; when the washing step is carried out, the inner barrel 3 with the increased structural strength is subjected to the impact of the clothes saturated with water, the tolerance time is prolonged, namely the probability of the compressive deformation is reduced, the impact on the outer barrel 2 and the machine base 1 is reduced, the damage probability of the washing machine can be reduced, and the service life of the washing machine is prolonged.
As shown in fig. 1 and 7, in order to increase the structural strength of the outer tub 2, outer ribs 21 are symmetrically arranged on two sides of the lower part of the outer tub 2, and an included angle α between the outer ribs 21 and the lowest point of the outer tub 2 is 57 °; since the outer tub 2 located below the water line of the washing machine is subjected to the greatest pressure when washing or dehydrating laundry, the reinforcement plate 22 is provided between the outer ribs 21, i.e., in the area of the outer tub 2 below the water line of the washing machine, so that the structural strength of the outer tub 2 can be further enhanced.
Preferably, in order to prevent the outer rib 21 from being excessively sharp to damage workers, the outer rib 21 may be provided in a trapezoid shape in cross section perpendicular to the axial direction of the rotation shaft 5, and further, in a surrounding edge structure of an isosceles trapezoid shape, considering that the outer rib 21 is located at the outer side of the outer tub 2; secondly, the isosceles trapezoid-shaped outer protruding edges 21 can be fixed on the outer side of the outer barrel 2 in a welding mode, and compared with solid steel pipes or flat steel, the trapezoid-shaped surrounding edge structure is more uniform in welding seams during welding, so that stress concentration is reduced.
In addition, since the outer tub 2 located below the water line of the washing machine is subjected to the greatest pressure when washing or dehydrating laundry, the reinforcement plate 22 is provided between the outer ribs 21, i.e., in the area of the outer tub 2 below the water line of the washing machine, so that the structural strength of the outer tub 2 can be further enhanced.
As shown in fig. 8, the washing machine further includes a bridging device 4 provided outside the enclosing wall of the outer tub 2 for closing the gap between the inner tub 3 and the outer tub 2 when both the inner door 32 and the outer door 24 are opened; the lap joint device 4 comprises a toggle plate 41 and a lap joint plate 42; the lapping plate 42 is L-shaped; the toggle plate 42 is fixed outside the surrounding wall of the outer tub 2; the lap plate 42 is rotatably connected with the toggle plate 41, and ensures that the length of the long side of the L shape is not smaller than the width of the gap between the inner barrel 3 and the outer barrel 2.
In the present embodiment, the bridging device 4 is composed of the toggle plate 41 and the bridging plate 42, and the bridging plate 42 is in a naturally hanging position when the inner door 32 and the outer door 24 are in a closed state; when the worker opens the inner door 32 and the outer door 24, the overlap plate 42 is folded first until the overlap plate 42 completely covers the width of the gap between the inner tub 3 and the outer tub 2, and then, the worker can put laundry to be washed into the inner tub 3 or remove dehydrated laundry, thereby preventing the laundry from falling from the gap; among them, a portion of the overlap plate 42 that can cover the gap width is referred to as an effective length of the overlap plate 42.
As shown in fig. 9 and 10, the latch 33 includes a guide bracket 331 fixed to the inner door 32, a plug board 332 fixed to the inner door 32, and a latch;
the guide bracket 331 and the plugboard 332 are respectively provided with a small hole for the bolt to pass through;
the latch 333 is arranged between the guide bracket 331 and the small hole of the plugboard 332 by adopting an elastic member 334;
when the elastic member 334 is pressed without an external force, the lock catch 33 is locked;
when the elastic member 334 is pressed by an external force, the lock catch 33 is unlocked.
When a worker needs to wash clothes, the outer door 24 on the outer tub 2 needs to be opened first, the clothes can be delivered after the inner door 32 is opened, and after the clothes are delivered, the inner door 32 and the outer door 24 need to be closed in sequence, and then the motor is started to start the washing process. In this stage, since the industrial washing machine is large in size, the outer door 24 is opened to increase the speed of laundry delivery and take-out. For smaller industrial washing machines, an outer door 24 and an inner door 32 are generally provided, the length of the outer door 24 occupies 1/2 to 2/3 of the length of the outer tub 2, and the arc length is close to 1/4 of the circumference of the outer door 24, so that the outer door 24 has a large weight, and is inconvenient to open or close by manpower, and in actual industrial production, a hydraulic device is often used to open or close the outer door 24. Secondly, in order to ensure the watertight characteristic and the structural strength of the opening corresponding to the outer door 24, sealing strips are arranged around the opening of the outer barrel 2 or around the opening of the outer door 24, and reinforcing ribs are arranged around the opening of the outer barrel 2, so that the structural strength of the opening is conveniently increased.
The inner tub 3 of the industrial washing machine is not required to ensure water tightness, and the manufacturing material thereof is generally thin; for convenient operation, the inner door 32 is sized slightly smaller than the outer door 24 at the beginning of the design, and the inner door 32 is light in weight as a whole; next, the inner door 32 rotates along with the rotation of the inner tub 3, and when the inner door 32 is opened or closed, the opening or closing cannot be automatically performed by hydraulic pressure or the like, so in this embodiment, the inner door 32 is manually opened or closed by providing one latch 33 on each of both sides of the bottom of the inner door 32.
In the present embodiment, the structure is described by taking the latch 33 located at the left side of the bottom of the inner door 32 as an example, and the latch 33 located at the right side of the bottom of the inner door 32 is installed in a manner symmetrical to the latch 33 located at the left side along the center line of the inner door 32.
The guide bracket 331 is welded and fixed at the left lower corner of the inner door 32 on the lock catch 33 at the left side of the bottom of the inner door 32, and has a quadrilateral frame structure made of metal plates, and small holes are arranged at the two ends of the right side plate 3311, the left side plate 3312 and the plugboard 332 of the quadrilateral frame structure, and the small holes at each end have the same size and the circle center on the same straight line; the bolt is a transverse H-shaped structure formed by welding and fixing two transverse long rods 333 and a short rod 335, the outer diameter of the long rod 333 is matched with the small hole, and the center of the small hole is on the axis of the long rod 333, so as to ensure that the long rod 333 can move left and right along the right side plate 3311, the left side plate 3312 and the plugboard 332; the elastic member 334 is a spring, and two elastic members are provided, and are respectively sleeved on the long rod 333 between the short rod 335 and the right side plate 3311, and under the action of no external force, the spring is in a compressed state, at this time, in order to ensure that the long rod 333 cannot separate from the insert plate 332 or the right side plate 3311, a clamping piece 3331 can be provided at one end of the long rod 333 beyond the right side plate 3311, when the short rod 335 moves leftwards due to the elastic deformation trend of the spring, the clamping piece 3331 ensures that the long rod 333 cannot separate from the right side plate 3311, so that the two transverse long rods 333 move along the small holes on the right side plate 3311, the left side plate 3312 and the insert plate 332 under the elastic deformation trend of the spring, and the bolt is clamped between the guide bracket 331 and the small holes on the insert plate 332, thereby realizing the locking of the lock catch 33, and the locking under the natural state of the inner door 32 without adopting external force control.
When a worker opens the outer door 24 and needs to unlock the lock catch 33, the short rod 335 is only pressed by hand to move to the right, in the process, the spring is compressed to one side of the compression right side plate 3311, so that the two transverse long rods 333 are driven to move to the right, and finally, the short rod 335 is separated from the small hole on the plugboard 332, so that the lock catch 33 is unlocked; accordingly, the lock catch 33 positioned on the right side of the bottom of the inner door 32 can be unlocked by the same procedure; therefore, in the whole unlocking process, a worker can operate both hands at the same time, and the unlocking of the inner door 32 is conveniently and quickly realized.
Further, the latch 33 further includes a limiting plate 336 fixed to the guide bracket 331 and facing the pressed side of the elastic member 334, for limiting displacement of the latch.
The purpose of the stop plate 336 is to prevent the worker from being forced too much when opening the shackle 33, resulting in excessive compression of the springs, thereby causing the two transverse bars 333 to disengage from the left side plate 3312, and after the worker releases his or her hands, the two transverse bars 333 cannot be moved down, along the apertures in the right side plate 3311 and the left side plate 3312, back to the apertures in the insert plate 332. Further, the distance between the left side point of the limiting plate 336 and the short rod 335 is greater than the distance between the long rod 333 and the left side of the insert plate 332, and less than the distance between the insert plate 332 and the left side plate 3312, so that the two long rods 333 can move between the insert plate 332 and the left side plate 3312 all the time, thereby ensuring the normal operation of the latch 33 device.
Example 2
The present embodiment is different from embodiment 1 in that the inner sedimentation zone 31 is different in the structural form on the inner tub 3.
As shown in fig. 4 and 5, the inner sinking area 31 is located in the axial middle area, an area with a distance d3 of 100mm from the edge of the inner door 32 is set as the inner sinking area 31, the inner arc rectangular area is sunk and arranged below the outer side surface of the inner barrel 3, the inner sinking area 31 is ensured to be located in the middle of the inner barrel 3, the axial length of the inner sinking area 31 accounts for 60% of the length of the inner barrel 3, on one hand, the opening at the inner door 32 arranged on the inner sinking area 31 is ensured not to be too small so as to facilitate the delivery of clothes by workers, and on the other hand, the formation of a large opening on the inner barrel 3 is ensured to be avoided, so that the structural strength of the inner barrel 3 is ensured; in addition, the inner sinking area 31 and the edge of the inner barrel 3 are sealed by adopting flat steel welding.
In the two embodiments, the inner door 32 is arranged on the inner barrel 3 in an inward sinking manner, so that the width of a gap between the inner barrel 3 and the outer barrel 2 can be reduced to the greatest extent, the water consumption for actually washing clothes is reduced, the subsequent sewage treatment force is reduced, the environmental pollution is reduced, and the production cost of a factory can be reduced; the inner rib 34, the outer rib 21 and the thick plate 22 are arranged, so that the structural strength of the inner barrel 3 and the outer barrel 2 is enhanced; the overlap plate 42 is arranged to cover the width of the gap between the inner barrel 3 and the outer barrel 2, so that clothes are prevented from falling from the gap, and the failure probability of the washing machine is reduced; the lock catch 33 structure is arranged, the locking of the inner door 32 in a natural state can be realized without external force control, and the structure reliability is high; unlocking of the inner door 32 can also be achieved conveniently and quickly.
It is apparent that the present invention is disclosed in the above embodiments, but is not limited thereto. Any person skilled in the art may make variations and modifications to the above description without departing from the spirit and scope of the invention. The scope of the invention should, therefore, be determined with reference to the appended claims.
Claims (5)
1. A water-saving washing machine comprises an outer barrel (2) fixed on a machine base (1), an inner barrel (3) and a rotating shaft (5) driven by a motor;
the inner barrel (3) is coaxially and horizontally arranged in the outer barrel (2) and is driven by the rotating shaft (5) to rotate; a plurality of small holes are distributed on the surrounding wall of the inner barrel (3), and an inner door (32) is arranged on the surrounding wall of the inner barrel (3);
an outer door (24) corresponding to the inner door (32) is arranged on the surrounding wall of the outer barrel (2);
a lock catch (33) is arranged on the inner barrel (3) and is used for locking the inner door (32); it is characterized in that the method comprises the steps of,
an inner sinking area (31) is arranged on the surrounding wall of the inner barrel (3); the inner door (32) is arranged on the inner sinking area (31);
the distance d1 between the inner barrel (3) and the outer barrel (2) is 50mm to 100mm;
3 to 5 inner convex edges (34) are arranged on the surrounding wall of the inner barrel (3) and are uniformly distributed in the inner barrel (3);
the ratio of the distance d2 between the outer surface of the inner sinking area (31)) and the outer surface of the inner barrel (3) to the height of the inner convex rib (34) is 1/4 to 1/2;
the washing machine further comprises a lap joint device (4) arranged on the outer side of the enclosing wall of the outer barrel (2), and the lap joint device is used for closing a gap between the inner barrel (3) and the outer barrel (2) when the inner door (32) and the outer door (24) are both opened;
the lap joint device (4) comprises a toggle plate (41) and a lap joint plate (42);
the toggle plate (41) is fixed on the outer side of the surrounding wall of the outer barrel (2);
the lapping plate (42) is rotationally connected with the toggle plate (41), and the effective length of the lapping plate (42) is not smaller than the width of a gap between the inner barrel (3) and the outer barrel (2).
2. A water-saving washing machine according to claim 1, wherein the inner sedimentation zone (31) is located in a sector area of 1/5 to 1/3 of the circumference of the peripheral wall of the inner tub (3), the axial length of the inner sedimentation zone (31) being equal to the length of the inner tub (3).
3. A water-saving washing machine according to claim 1, wherein the inner sink zone (31) is located in an axially central region of the inner tub (3), and the distance d3 between the edge of the inner sink zone (31) and the edge of the inner door (32) is 80mm to 150mm.
4. A water-saving washing machine according to claim 1, wherein outer ribs (21) are symmetrically arranged on both sides of the lower part of the outer tub (2), and a thickening plate (22) is arranged between the outer ribs (21).
5. A water-saving washing machine according to any one of claims 1 to 4, characterized in that the lock catch (33) comprises a guide bracket (331) fixed to the inner door (32), a plug board (332) fixed to the inner door (32) and a latch;
the guide bracket (331) and the plugboard (332) are respectively provided with a small hole for the bolt to pass through;
the bolt is arranged between the guide bracket (331) and the small hole of the plugboard (332) by adopting an elastic component (334);
when the elastic member (334) is not pressed by external force, the lock catch (33) is locked;
when the elastic member (334) is pressed by an external force, the lock catch (33) is unlocked.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810517187.0A CN108823896B (en) | 2018-05-25 | 2018-05-25 | Water-saving washing machine |
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| CN201810517187.0A CN108823896B (en) | 2018-05-25 | 2018-05-25 | Water-saving washing machine |
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| CN108823896A CN108823896A (en) | 2018-11-16 |
| CN108823896B true CN108823896B (en) | 2024-04-05 |
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| CN108823896B (en) * | 2018-05-25 | 2024-04-05 | 广州市信宏洗衣机械有限公司 | Water-saving washing machine |
| CN109881407B (en) * | 2019-04-12 | 2021-12-17 | 广州市信宏洗衣机械有限公司 | Washing method of trace atomization water washing machine and water washing machine adopting same |
| CN112853671B (en) * | 2019-11-12 | 2023-11-07 | 重庆海尔洗衣机有限公司 | Clothes treatment equipment |
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| CN201620280U (en) * | 2010-02-10 | 2010-11-03 | 上海川岛艾美机械设备有限公司 | Inner drum for industrial washing machines |
| EP2535454A1 (en) * | 2011-06-14 | 2012-12-19 | Electrolux Home Products Corporation N.V. | Washing machine |
| CN107164917A (en) * | 2017-06-23 | 2017-09-15 | 青岛海尔洗衣机有限公司 | Link cap assemblies, top opening barrel washing machine and its inner cylinder |
| CN107503090A (en) * | 2017-08-28 | 2017-12-22 | 无锡小天鹅股份有限公司 | Device for clothing processing |
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| CN201620280U (en) * | 2010-02-10 | 2010-11-03 | 上海川岛艾美机械设备有限公司 | Inner drum for industrial washing machines |
| EP2535454A1 (en) * | 2011-06-14 | 2012-12-19 | Electrolux Home Products Corporation N.V. | Washing machine |
| CN107164917A (en) * | 2017-06-23 | 2017-09-15 | 青岛海尔洗衣机有限公司 | Link cap assemblies, top opening barrel washing machine and its inner cylinder |
| CN107503090A (en) * | 2017-08-28 | 2017-12-22 | 无锡小天鹅股份有限公司 | Device for clothing processing |
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