CN111270480A - One-way ventilative structure, washing additive box and washing equipment - Google Patents
One-way ventilative structure, washing additive box and washing equipment Download PDFInfo
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- CN111270480A CN111270480A CN202010082198.8A CN202010082198A CN111270480A CN 111270480 A CN111270480 A CN 111270480A CN 202010082198 A CN202010082198 A CN 202010082198A CN 111270480 A CN111270480 A CN 111270480A
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- switch element
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- ventilation
- vent
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- 239000000654 additive Substances 0.000 title claims abstract description 87
- 230000000996 additive effect Effects 0.000 title claims abstract description 80
- 238000005406 washing Methods 0.000 title claims abstract description 53
- 238000009423 ventilation Methods 0.000 claims abstract description 99
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000003599 detergent Substances 0.000 claims description 73
- 239000007788 liquid Substances 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000013022 venting Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 11
- 239000012535 impurity Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/022—Devices for adding soap or other washing agents in a liquid state
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention discloses a one-way ventilating structure, a washing additive box and washing equipment, wherein the one-way ventilating structure comprises a ventilating element, a switch element and a power part, the ventilating element comprises a base body and a ventilating hole penetrating through the base body, the base body is provided with a first side and a second side which face opposite, and the ventilating hole is communicated with the first side and the second side; the switch element is arranged on the second side and used for sealing the air holes; the power part is connected with the switch element and used for providing acting force for the switch element to move towards the air holes, when the air pressure of the first side is larger than that of the second side, the acting force provided for the switch element by the pressure difference between the two sides is larger than that provided for the switch element by the power part, and the switch element moves towards the direction far away from the air holes and opens the air holes. The one-way ventilation structure realizes one-way circulation of gas.
Description
Technical Field
The invention relates to the field of washing equipment, in particular to a one-way ventilating structure, a washing additive box and washing equipment.
Background
The traditional washing equipment such as a washing machine needs a washer to judge how much detergent is added manually according to experience before washing begins, so that the workload of the washer is increased, and incomplete washing or waste is easily caused due to improper control of the detergent amount. Accordingly, in the related art, an automatic detergent dispensing technology has been proposed.
At present, a detergent additive box for containing detergent and softener is generally a sealed box body, and the detergent is quantitatively pumped out of the box body through a Venturi effect or a negative pressure effect or a metering pump and the like. However, as the detergent is drawn out, the air pressure in the sealed detergent additive box becomes smaller and smaller, so that the detergent is more difficult to draw out, a ventilation structure is needed to balance the air pressure in the detergent additive box, meanwhile, the detergent is prevented from flowing out of the detergent additive box due to toppling, vibration and the like, and external impurities and moisture are prevented from entering the detergent additive box to pollute the detergent.
Chinese patent application No. 201710248560.2 discloses an one-way ventilative structure and detergent additive box, one-way ventilative structure installs on the carrier, including ventilative component and on-off element, set up the bleeder vent on the ventilative component, on-off element includes the switch portion, the atmospheric pressure change of carrier both sides opens or closes the switch portion, and the bleeder vent is one-way ventilative or closes. In this application, the switch section is opened by the occurrence of deformation. The switch part is easy to be separated from the one-way ventilation structure when pressed, resulting in sealing failure.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a one-way ventilating structure, a washing additive box and washing equipment.
In order to solve the above technical problems, a first object of the present invention is to provide a one-way ventilation structure, which includes a ventilation element, a switch element and a power part, wherein the ventilation element includes a base body and a ventilation hole penetrating through the base body, the base body has a first side and a second side facing opposite directions, and the ventilation hole communicates the first side and the second side; the switch element is arranged on the second side and used for sealing the air holes; the power part is connected with the switch element and used for providing acting force for the switch element to move towards the air holes, when the air pressure of the first side is larger than that of the second side, the acting force provided for the switch element by the pressure difference between the two sides is larger than that provided for the switch element by the power part, and the switch element moves towards the direction far away from the air holes and opens the air holes. The one-way ventilation structure is suitable for box bodies or bottle bodies or carriers such as surfaces, plates and doors needing one-way ventilation. One-way flow of gas is achieved.
The switch element is movably arranged in the cavity and limited between the ventilating element and the limiting element, and when the first side and the second side of the base body generate pressure difference, the switch element moves to abut against the ventilating element to seal the ventilating element; or the switch element moves to be separated from the ventilation element, and the ventilation hole realizes one-way ventilation.
Preferably, the surface area of the switching element with respect to the vent is larger than the area where the aperture of the vent is smallest.
Preferably, the cavity is a vented cavity communicating with the exterior of the second side.
Preferably, at least one ventilation hole is formed in the side wall of the limiting element, and the ventilation hole is smaller than the switch element.
Preferably, the vent hole is strip-shaped.
Preferably, the side wall of the limiting element is provided with a plurality of strip-shaped vent holes, and the vent holes are uniformly distributed on the side wall of the limiting element along the circumferential direction of the limiting element.
Preferably, the cavity and the air holes are coaxially arranged.
Furthermore, the other end of the limiting element comprises a limiting part for limiting the switch element to be separated from the cavity.
Preferably, the limiting part comprises a limiting convex column extending towards the air hole, and the switch element comprises a limiting concave cavity movably sleeved outside the limiting convex column.
Preferably, the limiting convex column, the limiting concave cavity and the air holes are coaxially arranged.
Preferably, the limiting part comprises a limiting convex ring extending towards the air hole, and the switch element comprises a limiting column movably sleeved inside the limiting convex ring.
Preferably, the limiting convex ring, the limiting column and the air holes are coaxially arranged.
Further, the power part is arranged between the switch element and the limit element and used for providing power for the switch element to move towards the air permeable element.
Preferably, the power portion is an elastic member abutting between the limit portion and the switch element.
Preferably, the power part is a spring, the power part is sleeved inside the limiting concave cavity and sleeved outside the limiting convex column, one end of the spring is abutted against the bottom of the limiting concave cavity, and the other end of the spring is abutted against the limiting part.
Furthermore, the ventilation element is provided with a first connecting part relative to the limiting element, and one end of the limiting element is provided with a second connecting part matched with the first connecting part.
Preferably, the first connecting portion protrudes from the surface of the ventilation element, and the second connecting portion is sleeved outside the first connecting portion in a threaded manner.
Preferably, the air hole is coaxially arranged inside the first connecting part to form a tubular first connecting part.
Preferably, the inner side wall of the air hole is further provided with a reinforcing part protruding towards the axial direction of the air hole.
Preferably, the reinforcement portion includes an annular rib provided near one end of the switching element.
Preferably, the ventilation holes, the ventilation element and the reinforcing part are all in smooth transition.
The invention also provides a washing additive box, which comprises a vent and the one-way ventilating structure.
Further, still include the liquid outlet, the detergent additive box has two kinds of states: the first state is that the washing additive is extracted from the liquid outlet, the air pressure in the washing additive box is reduced, the air pressure in the washing additive box is smaller than the external air pressure, the switch element overcomes the power movement of the power part under the action of pressure difference and is separated from the ventilation element, and the ventilation hole conducts ventilation in a single direction; and in the second state, the extraction is stopped, the air pressure in the washing additive box is equal to the external air pressure, and the switch element moves towards the ventilating element under the action of the power part to seal the ventilating hole.
Further, the vent is provided with a third connecting portion, the ventilation element is provided with a fourth connecting portion, and the fourth connecting portion is detachably connected with the third connecting portion.
Preferably, the third connecting portion protrudes from the vent to the outside of the detergent additive box, and the fourth connecting portion is sleeved on the outside of the third connecting portion.
Preferably, the ventilation element is a cover-shaped structure, and a side wall of the cover-shaped structure forms a fourth connecting portion sleeved outside the third connecting portion.
Preferably, the limiting element is connected to the inside of the cavity enclosed by the side wall of the cover-shaped structure.
Preferably, the limiting element is inserted into the third connecting part with a gap therebetween.
Preferably, the vent hole of the limiting element is higher than the top of the detergent additive box.
Furthermore, a fifth connecting portion detachably connected with the third connecting portion is further arranged on the ventilating element, and the fifth connecting portion and the fourth connecting portion are arranged in parallel to form an annular cavity for clamping the third connecting portion.
Preferably, a first limiting convex part is arranged on the side wall of the fifth connecting part facing the fourth connecting part.
Preferably, a second limiting convex part is arranged at the bottom of the annular cavity close to the fourth connecting part.
Preferably, the fifth connection portion has a height lower than that of the fourth connection portion.
The third purpose of the invention is to provide a washing device, which is provided with the washing additive box.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
1. The one-way ventilation structure realizes one-way circulation of gas.
2. Compared with other existing one-way ventilation structures, the one-way ventilation structure has the advantages that the hole diameter of the ventilation hole is large, and the ventilation effect is good.
3. The washing additive box realizes one-way ventilation through the one-way ventilation structure, only allows one-way ventilation, liquid, impurities and the like can not circulate in the inside and outside of the washing additive box through the one-way ventilation structure, and the washing additive box can be sealed while being ventilated in one way. The one-way ventilation structure realizes one-way circulation of gas, can balance the air pressure in the washing additive box, enables the washing additive box to be smoother when the washing additive is extracted, and prevents the washing additive from overflowing from the one-way ventilation structure when the washing additive is not extracted.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is an exploded view of the detergent additive cartridge of the present invention installed;
FIG. 2 is a cross-sectional view of a one-way venting feature of the present invention;
FIG. 3 is an enlarged view of a portion of this FIG. 2;
FIG. 4 is a partial enlarged view of the one-way venting structure of the present invention;
fig. 5 is a sectional view of the one-way venting structure of the present invention.
In the figure: 1. a detergent additive box; 11. a vent; 111. a third connecting portion; 12. a liquid outlet; 2. a one-way ventilation structure; 21. a gas permeable element; 211. air holes are formed; 2111. a reinforcing portion; 212. a first connection portion; 213. a fourth connecting portion; 214. a fifth connecting part; 215. a first limit protrusion; 216. a second limit convex part; 22. a switching element; 221. a concave limiting cavity; 23. a spacing element; 231. a vent hole; 232. a limiting part; 233. a limiting convex column; 234. a second connecting portion; 24. a power section.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following further describes embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 4, the present invention discloses a one-way ventilating structure 2, comprising a ventilating element 21, a switch element 22 and a power part 24, wherein the ventilating element 21 comprises a base body and a ventilating hole 211 penetrating through the base body, the base body has a first side and a second side facing opposite, and the ventilating hole 211 communicates the first side and the second side; the switch element 22 is arranged on the second side and used for sealing the air hole 211; the power portion 24 is connected to the switch element 22 and is used for providing an acting force for the switch element 22 to move towards the air vent 211, when the air pressure at the first side is greater than the air pressure at the second side, the acting force provided by the pressure difference between the two sides to the switch element 22 is greater than the acting force provided by the power portion 24 to the switch element 22, and the switch element 22 moves towards the direction far away from the air vent 211 to open the air vent 211. The one-way ventilation structure 2 is suitable for realizing one-way circulation of gas in a box body or a bottle body or a surface, plate or door carrier which needs one-way ventilation. Compared with other single ventilation structures, the ventilation holes are large in hole diameter and good in ventilation effect.
The one-way ventilation structure 2 further comprises a limiting element 23 with a cavity inside, one end of the limiting element 23 is provided with an opening communicated with the cavity, the opening end is connected with the ventilation element 21, the ventilation hole 211 is arranged in the range of the opening so as to facilitate the sealing or one-way ventilation of the ventilation hole 211 by the switch element 22, and the switch element 22 is movably arranged in the cavity; the switch element 22 is limited between the air permeable element 21 and the limiting element 23, and when a pressure difference is generated between the first side and the second side of the base body, the switch element 22 moves to be abutted against the air permeable element 21 to seal the air vent 211; alternatively, the switch element 22 moves to be separated from the ventilation element 21, and the ventilation hole 211 realizes one-way ventilation. The manner in which the switching element 22 seals the airing hole 211 includes inserting the switching element 22 into the airing hole 211 for sealing or contacting the surface of the airing element 21, and the manner in which the switching element 22 covers the airing hole 211 for sealing. Preferably, the surface area of the switch element 22 relative to the vent hole 211 is larger than the area of the minimum aperture of the vent hole 211, so as to ensure a good sealing effect and prevent the switch element 22 from being unable to seal when accidentally dislocated. Preferably, the cavity is a ventilation cavity communicated with the outside of the second side; preventing the closed cavity from causing the airing hole 211 to be unable to ventilate. Preferably, at least one ventilation hole 231 is formed on a side wall of the limiting element 23, so that the cavity becomes a ventilation cavity capable of realizing air flow exchange with the outside of the cavity, and the ventilation hole 231 is smaller than the switch element 22, thereby realizing ventilation and preventing the switch element 22 from being separated from the limiting element 23 from the ventilation hole 231. Preferably, the ventilation holes 231 are strip-shaped; the ventilation effect is good. Preferably, be equipped with a plurality of strip ventilation holes 231 that are on limiting element 23's the lateral wall, ventilation effect is better, ventilation hole 231 follows limiting element 23's circumference evenly distributed is in on limiting element 23's the lateral wall, and even ventilation prevents that switch element 22 dislocation that local pressure arouses greatly from influencing sealed effect or one-way ventilative effect. Preferably, the cavity is coaxially disposed with the ventilation hole 211, and the switching element 22 moves along an axial direction of the ventilation hole 211.
Further, one end of the limiting element 23 is connected to the ventilation element 21 to prevent the switch element 22 from being separated from the cavity from the ventilation hole 211, and the other end of the limiting element 23 includes a limiting portion 232 for limiting the switch element 22 to be separated from the cavity, so as to limit the switch element 22 in the cavity and prevent the switch element 22 from being separated from the cavity from any end of the limiting element 23. Preferably, the limiting part 232 includes a limiting convex column 233 extending to the air vent 211, and the switch element 22 includes a limiting concave cavity 221 movably sleeved outside the limiting convex column 233; limiting the movement of the switching element 22 prevents the switching element 22 from being flipped or misaligned. Preferably, the limiting convex column 233, the limiting concave cavity 221 and the air vent 211 are coaxially arranged, so that the moving direction of the switch element 22 is limited in the axial direction of the air vent 211, and the switch element 22 is prevented from being dislocated and being incapable of sealing the air vent 211.
Alternatively, the limiting part 232 comprises a limiting convex ring extending towards the air vent 211, and the switch element 22 comprises a limiting column movably sleeved inside the limiting convex ring; limiting the movement of the switching element 22 prevents the switching element 22 from being flipped or misaligned. Preferably, the limiting convex ring, the limiting column and the air hole 211 are coaxially arranged, so that the moving direction of the switch element 22 is limited in the axial direction of the air hole 211, and the switch element 22 is prevented from being dislocated and being incapable of sealing the air hole 211.
The power part 24 is arranged between the switch element 22 and the limit element 23 and is used for providing power for the switch element 22 to move towards the air permeable element 21; when the air pressure at the first side is greater than the air pressure at the second side, the acting force provided to the switch element 22 by the pressure difference at the two sides is greater than the acting force provided to the switch element 22 by the power part 24, the switch element 22 moves in the direction far away from the air vent 211, and the air vent 211 is opened to realize one-way ventilation; when the acting force applied to the switching element 22 by the pressure difference between both sides is smaller than the acting force applied to the switching element 22 by the power unit 24, the switching element 22 moves in the direction of the ventilation hole 211 to abut against the ventilation element 21, thereby sealing the ventilation hole 211. Preferably, the power portion 24 is an elastic member, and abuts between the limiting portion 232 and the switch element 22. Preferably, the power part 24 is a spring, which is sleeved inside the limiting concave cavity 221 and outside the limiting convex column 233 to prevent the spring from being curled to cause the failure of normally providing power; one end of the spring is abutted against the bottom of the limiting concave cavity 221, and the other end of the spring is abutted against the limiting part 232.
In a preferred embodiment, the air-permeable element 21 is provided with a first connecting portion 212 opposite to the limiting element 23, and one end of the limiting element 23 is provided with a second connecting portion 234 matched with the first connecting portion 212; the air-permeable element 21 and the position limiting element 23 are connected together by the first connecting portion 212 and the second connecting portion 234. The first connecting portion 212 is integrally formed on the air-permeable member 21, and the second connecting portion 234 is integrally formed on the stopper member 23. Preferably, the first connection portion 212 is disposed to protrude from the surface of the ventilation element 21, so as to facilitate connection. The second connecting portion 234 is sleeved outside the first connecting portion 212 in a threaded manner, so that the connecting manner is simple and convenient. The second connecting portion 234 is sleeved outside the first connecting portion 212 and is clamped with the second connecting portion 234. Preferably, the vent hole 211 is coaxially disposed inside the first connection part 212 to form a tubular first connection part 212. Preferably, the inner sidewall of the vent hole 211 is further provided with a reinforcing portion 2111 protruding in the axial direction of the vent hole 211, so that the strength of the first connection portion 212 can be increased, and the air pressure at the switch element 22 can be increased during one-way ventilation, thereby facilitating the pressed movement of the switch element 22 and the separation of the ventilation element 21 to realize one-way ventilation. Preferably, the reinforcing portion 2111 includes an annular rib provided near one end of the switching element 22; the switch element 22 is prevented from entering the ventilation hole 211 to be blocked, which affects the next movement of the switch element 22, and the one-way ventilation structure 2 cannot ventilate in one direction. Preferably, the ventilation holes 211 are smoothly transited to the ventilation element 21 and the reinforcing portion 2111.
The invention also discloses a detergent additive box 1, wherein the detergent additive box 1 is used for storing detergent or softener on washing equipment such as a washing machine and the like and realizing automatic feeding of the detergent or the softener, and is the detergent additive box 1 which is arranged in a sealing manner. However, as the detergent flows out, the air pressure in the sealed detergent additive box 1 is reduced, so that the outflow of the detergent is difficult, and a structure for balancing the air pressure in the detergent additive box 1 is required. In order to prevent the outflow and spraying of the detergent and the entrance of foreign matters and water, the present invention adopts a one-way ventilating structure on the detergent additive box 1.
The detergent additive box 1 comprises a vent 11 and a one-way ventilating structure 2, wherein the one-way ventilating structure 2 is arranged at the vent 11 to realize one-way ventilation of the detergent additive box 1. The one-way ventilating structure 2 comprises a ventilating element 21 and a switch element 22, the ventilating element 21 is provided with a ventilating hole 211, the switch element 22 moves to be separated from the ventilating element 21 or moves the ventilating element 21 to be contacted when the air pressure on the inner side and the outer side of the detergent additive box 1 changes, and the ventilating hole 211 is one-way ventilated or sealed. The detergent additive box 1 only allows one-way ventilation, liquid, impurities and the like cannot circulate in the inner side and the outer side of the detergent additive box 1 through the one-way ventilation structure 2, and the detergent additive box can be sealed while being ventilated in one way. The one-way ventilating structure 2 realizes one-way circulation of gas, can balance the air pressure in the detergent additive box 1, enables the detergent additive box 1 to extract detergent additives more smoothly, and prevents the detergent additives from overflowing from the one-way ventilating structure 2 when the detergent additives are not extracted.
The washing additive box 1 further comprises a liquid outlet 12, and the washing additive box 1 has two states: in the first state, the washing additive is extracted from the liquid outlet 12, the air pressure in the washing additive box 1 is reduced, the air pressure in the washing additive box 1 is smaller than the external air pressure, the switch element 22 overcomes the power movement of the power part 24 under the action of the pressure difference and is separated from the ventilation element 21, and the ventilation hole 211 conducts ventilation in one direction; in the second state, the pumping is stopped, the air pressure in the detergent additive box 1 is equal to the external air pressure, and the switch element 22 moves to the ventilation element 21 under the action of the power part 24 to seal the ventilation hole 211.
In a further embodiment, the vent 11 is provided with a third connecting portion 111, the ventilation element 21 is provided with a fourth connecting portion 213, and the fourth connecting portion 213 is detachably connected to the third connecting portion 111; preferably, the third connecting portion 111 is integrally formed with the vent 11, and the fourth connecting portion 213 is integrally formed with the ventilation element 21, so that the formation is simple and convenient. Preferably, the third connection portion 111 protrudes from the air vent 11 to the outside of the detergent additive box 1, because the size of the air vent 11 is limited, the third connection portion 111 protrudes from the outside of the detergent additive box 1, so that the one-way ventilating structure 2 is more conveniently connected to the third connection portion 111, and the fourth connection portion 213 is sleeved outside the third connection portion 111; the one-way ventilating structure 2 protrudes out of the outer wall of the detergent additive box 1, so that the switch element 22 cannot move due to the fact that the detergent additive box 1 is filled with detergent additives, and further the one-way ventilating structure 2 cannot ventilate. In a specific embodiment, the air permeable element 21 is a cover-shaped structure, and a sidewall of the cover-shaped structure forms a fourth connection portion 213 sleeved outside the third connection portion 111. Preferably, the limiting element 23 is connected inside a cavity enclosed by the side wall of the cover-like structure. Preferably, the limiting element 23 is inserted into the third connecting portion 111 with a gap between the third connecting portion 111 and the limiting element; the third connecting portion 111 is prevented from blocking the ventilation hole 231 of the stopper element 23. Preferably, the ventilation hole 231 of the position limiting element 23 is higher than the top of the detergent additive box 1.
Preferably, the ventilating element 21 is further provided with a fifth connecting portion 214 connected to the third connecting portion 111, and the fifth connecting portion 214 and the fourth connecting portion 213 are arranged in parallel to form an annular cavity sandwiching the third connecting portion 111, so as to enhance the connection effect between the ventilating element 21 and the detergent box 1. Preferably, a first limit protrusion 215 is disposed on a sidewall of the fifth connecting portion 214 facing the fourth connecting portion 213, so as to enhance the strength of the fifth connecting portion 214 and enhance the connection effect between the ventilating element 21 and the detergent box 1. Preferably, a second limit convex part 216 is arranged at the bottom of the annular cavity close to the fourth connecting part 213; the connection between the ventilating element 21 and the washing additive box 1 is limited, and the connection between the ventilating element 21 and the washing additive box 1 is buffered. Preferably, the height of the fifth connecting portion 214 is lower than that of the fourth connecting portion 213, so as to avoid the difficulty of the fifth connecting portion 214 in connecting the ventilating element 21 and the detergent box 1.
The invention also discloses a washing device which can be a washing device such as a washing machine or a dish washing machine and the like, the washing device is provided with the washing additive box 1, the washing additive box 1 is used for storing detergent or softener on the washing device such as the washing machine and the like and realizing automatic feeding of the detergent or the softener, and the washing additive box 1 is hermetically arranged. The detergent additive box 1 comprises a vent 11 and a one-way ventilating structure 2, wherein the one-way ventilating structure 2 is arranged at the vent 11 to realize one-way ventilation of the detergent additive box 1. The one-way ventilating structure 2 comprises a ventilating element 21 and a switch element 22, the ventilating element 21 is provided with a ventilating hole 211, the switch element 22 moves to be separated from the ventilating element 21 or moves the ventilating element 21 to be contacted when the air pressure on the inner side and the outer side of the detergent additive box 1 changes, and the ventilating hole 211 is one-way ventilated or sealed. The detergent additive box 1 only allows one-way ventilation, liquid, impurities and the like cannot circulate in the inner side and the outer side of the detergent additive box 1 through the one-way ventilation structure 2, and the detergent additive box can be sealed while being ventilated in one way. The one-way ventilating structure 2 realizes one-way circulation of gas, can balance the air pressure in the detergent additive box 1, enables the detergent additive box 1 to extract detergent additives more smoothly, and prevents the detergent additives from overflowing from the one-way ventilating structure 2 when the detergent additives are not extracted.
The above description is only for the preferred embodiment of the present invention, and not intended to limit the present invention in any way, and although the present invention has been disclosed by the preferred embodiment, it is not intended to limit the present invention, and those skilled in the art can make further combinations or substitutions of the above embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the present invention.
Claims (10)
1. A one-way venting structure, comprising:
the ventilation element comprises a base body and a ventilation hole penetrating through the base body, the base body is provided with a first side and a second side which face opposite, and the ventilation hole is communicated with the first side and the second side;
the switch element is arranged on the second side and used for sealing the air holes;
and the power part is connected with the switch element and used for providing acting force for the switch element to move towards the air holes, when the air pressure of the first side is greater than that of the second side, the acting force provided for the switch element by the pressure difference between the two sides is greater than that provided for the switch element by the power part, and the switch element moves towards the direction far away from the air holes to open the air holes.
2. A one-way ventilating structure according to claim 1, further comprising a position-limiting element having a cavity therein, wherein an opening is formed at one end of the position-limiting element and communicates with the cavity, the opening end is connected to the ventilating element, the ventilating hole is formed in the range of the opening, and the switching element is movably disposed in the cavity;
preferably, the surface area of the switching element relative to the vent is larger than the area of the minimum aperture of the vent;
preferably, the cavity is a ventilation cavity communicated with the outside of the second side;
preferably, at least one vent hole is arranged on the side wall of the limiting element, and the vent hole is smaller than the switch element;
preferably, the vent holes are strip-shaped;
preferably, a plurality of strip-shaped vent holes are formed in the side wall of the limiting element, and the vent holes are uniformly distributed on the side wall of the limiting element along the circumferential direction of the limiting element;
preferably, the cavity and the air holes are coaxially arranged.
3. A one-way ventilating structure as set forth in claim 2, wherein the other end of said spacing member includes a spacing portion for spacing said opening and closing member from leaving the cavity;
preferably, the limiting part comprises a limiting convex column extending towards the air hole, and the switch element comprises a limiting concave cavity movably sleeved outside the limiting convex column;
preferably, the limiting convex column, the limiting concave cavity and the air vent are coaxially arranged;
preferably, the limiting part comprises a limiting convex ring extending towards the air hole, and the switch element comprises a limiting column movably sleeved in the limiting convex ring;
preferably, the limiting convex ring, the limiting column and the air holes are coaxially arranged.
4. A one-way ventilating structure according to claim 3, wherein said power portion is disposed between said opening and closing element and said position-limiting element for providing power to said opening and closing element to move in the direction of said ventilating element;
preferably, the power part is an elastic part and is abutted between the limiting part and the switch element;
preferably, the power part is a spring, the power part is sleeved inside the limiting concave cavity and sleeved outside the limiting convex column, one end of the spring is abutted against the bottom of the limiting concave cavity, and the other end of the spring is abutted against the limiting part.
5. A one-way ventilating structure according to any one of claims 2 to 4, wherein said ventilating member is provided with a first connecting portion with respect to said position-limiting member, and one end of said position-limiting member is provided with a second connecting portion engaged with said first connecting portion;
preferably, the first connecting part protrudes out of the surface of the ventilating element, and the second connecting part is sleeved outside the first connecting part in a threaded manner;
preferably, the air holes are coaxially arranged inside the first connecting part to form a tubular first connecting part;
preferably, the inner side wall of the air hole is also provided with a reinforcing part protruding towards the axial direction of the air hole;
preferably, the reinforcing portion includes an annular rib provided near one end of the switching element;
preferably, the ventilation holes, the ventilation element and the reinforcing part are all in smooth transition.
6. A detergent additive cartridge comprising a vent, further comprising a one-way venting structure according to any one of claims 1 to 5, said one-way venting structure being disposed at said vent.
7. The detergent additive cartridge of claim 6 further comprising a liquid outlet, said detergent additive cartridge having two states: the first state is that the washing additive is extracted from the liquid outlet, the air pressure in the washing additive box is reduced, the air pressure in the washing additive box is smaller than the external air pressure, the switch element overcomes the power movement of the power part under the action of pressure difference and is separated from the ventilating element, and the ventilating hole is ventilated in one direction; and in the second state, the extraction is stopped, the air pressure in the washing additive box is equal to the external air pressure, and the switch element moves towards the ventilating element under the action of the power part to seal the ventilating hole.
8. A detergent additive cartridge as claimed in claim 6 wherein said vent opening is provided with a third connecting portion, said venting member is provided with a fourth connecting portion, and said fourth connecting portion is removably connected to said third connecting portion;
preferably, the third connecting part protrudes and extends from the vent to the outside of the detergent additive box, and the fourth connecting part is sleeved on the outside of the third connecting part;
preferably, the ventilation element is a cover-shaped structure, and a side wall of the cover-shaped structure forms a fourth connecting part sleeved outside the third connecting part;
preferably, the limiting element is connected to the inside of a cavity enclosed by the side wall of the cover-shaped structure;
preferably, the limiting element is inserted into the third connecting part, and a gap is formed between the limiting element and the third connecting part;
preferably, the vent hole of the limiting element is higher than the top of the detergent additive box.
9. The detergent additive container of claim 8 wherein said venting member further includes a fifth connecting portion detachably connected to said third connecting portion, said fifth connecting portion being disposed parallel to said fourth connecting portion to form an annular chamber sandwiching said third connecting portion;
preferably, a first limiting convex part is arranged on the side wall of the fifth connecting part facing the fourth connecting part;
preferably, a second limiting convex part is arranged at the bottom of the annular cavity close to the fourth connecting part;
preferably, the fifth connection portion has a height lower than that of the fourth connection portion.
10. A washing appliance, characterized by having a detergent additive cartridge according to any one of claims 6-9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010082198.8A CN111270480A (en) | 2020-02-07 | 2020-02-07 | One-way ventilative structure, washing additive box and washing equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010082198.8A CN111270480A (en) | 2020-02-07 | 2020-02-07 | One-way ventilative structure, washing additive box and washing equipment |
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CN111270480A true CN111270480A (en) | 2020-06-12 |
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CN202010082198.8A Pending CN111270480A (en) | 2020-02-07 | 2020-02-07 | One-way ventilative structure, washing additive box and washing equipment |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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EP4091497A1 (en) * | 2021-05-21 | 2022-11-23 | Miele & Cie. KG | Sealing unit for sealing a dosing cartridge and method for operating a sealing unit |
WO2023094203A1 (en) | 2021-11-23 | 2023-06-01 | Unilever Ip Holdings B.V. | Cap with valve for cartridge |
WO2023094209A1 (en) | 2021-11-23 | 2023-06-01 | Unilever Ip Holdings B.V. | Container with flexible inner body |
WO2023161019A1 (en) | 2022-02-28 | 2023-08-31 | Unilever Ip Holdings B.V. | Container with flexible portion |
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WO2018192457A1 (en) * | 2017-04-17 | 2018-10-25 | 青岛海尔滚筒洗衣机有限公司 | Washing additive box and washing machine |
WO2018192459A1 (en) * | 2017-04-17 | 2018-10-25 | 青岛海尔滚筒洗衣机有限公司 | Detergent additive box and mounting structure thereof, and distribution box |
CN108729138A (en) * | 2017-04-17 | 2018-11-02 | 青岛海尔滚筒洗衣机有限公司 | A kind of detergent additive box |
CN108729136A (en) * | 2017-04-17 | 2018-11-02 | 青岛海尔滚筒洗衣机有限公司 | A kind of one-way ventilating structure and detergent additive box |
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WO2018192457A1 (en) * | 2017-04-17 | 2018-10-25 | 青岛海尔滚筒洗衣机有限公司 | Washing additive box and washing machine |
WO2018192459A1 (en) * | 2017-04-17 | 2018-10-25 | 青岛海尔滚筒洗衣机有限公司 | Detergent additive box and mounting structure thereof, and distribution box |
CN108729138A (en) * | 2017-04-17 | 2018-11-02 | 青岛海尔滚筒洗衣机有限公司 | A kind of detergent additive box |
CN108729136A (en) * | 2017-04-17 | 2018-11-02 | 青岛海尔滚筒洗衣机有限公司 | A kind of one-way ventilating structure and detergent additive box |
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Publication number | Priority date | Publication date | Assignee | Title |
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EP4091497A1 (en) * | 2021-05-21 | 2022-11-23 | Miele & Cie. KG | Sealing unit for sealing a dosing cartridge and method for operating a sealing unit |
WO2023094203A1 (en) | 2021-11-23 | 2023-06-01 | Unilever Ip Holdings B.V. | Cap with valve for cartridge |
WO2023094209A1 (en) | 2021-11-23 | 2023-06-01 | Unilever Ip Holdings B.V. | Container with flexible inner body |
WO2023161019A1 (en) | 2022-02-28 | 2023-08-31 | Unilever Ip Holdings B.V. | Container with flexible portion |
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