CN220221863U - Air return bottle cap, throwing mechanism, throwing device and washing equipment - Google Patents

Abstract

The utility model relates to the technical field of household appliances, and particularly discloses an air return bottle cap, a throwing mechanism, a throwing device and washing equipment. The air return bottle cap is detachably connected to an opening of a packaging box and comprises a bottle cap main body, wherein the bottle cap main body is detachably connected to the opening of the packaging box, a communication hole is formed in the bottle cap main body in a penetrating mode, at least one elastic membrane is arranged in the communication hole, and opening and closing of the elastic membrane are controlled through pressure difference on two sides of the elastic membrane; the communication hole comprises an air return hole which selectively communicates the packaging box with the external environment; and/or the communication hole comprises a liquid suction hole, and the liquid suction hole selectively communicates the packaging box and the suction device. This return air bottle lid has realized the integration to ventilation structure and liquid pumping structure through the mode that sets up return air hole and liquid pumping hole, has reduced the structural requirement to the packing carton, has reduced the manufacturing cost of packing carton, has improved the experience of using.

Description

Air return bottle cap, throwing mechanism, throwing device and washing equipment

Technical Field

The utility model relates to the technical field of household appliances, in particular to an air return bottle cap, a throwing mechanism, a throwing device and washing equipment.

Background

With the development of technology, users have increasingly demanded the intellectualization of home appliances, and washing machines and dish washers with automatic dispensing devices have increasingly entered the market and are accepted by the masses. Along with the wide application, the defects of the existing drawer type automatic throwing device are gradually revealed, and the problems comprise the following steps:

1) The use condition of the detergent body in the automatic throwing device is inconvenient to directly observe;

2) The inside of the automatic throwing device is difficult to clean, and is easy to mildew for a long time to generate peculiar smell so as to pollute clothes;

3) The automatic throwing device has large occupied space and high production cost.

At present, in the market, an ink cartridge type automatic feeding device with a bottled or replaceable volume is used successively, a feeding box of the automatic feeding device is generally a box body structure made of a high polymer material, and in the process of extracting additives, in order to avoid influencing the feeding of a detergent due to negative pressure in the box body, ventilation structures such as a one-way valve and the like are generally used for balancing the internal and external air pressure of the box body.

In the prior art, the ventilation structure is often arranged on the box body, which provides a hole opening requirement of a specific position for the box body, and the shape of the box body is also required to be adjusted in a fit manner in order to meet the requirement. If the packing box of the detergent is used as the box body, the production cost of the packing box is increased, and the deviation of the opening position is generated, so that a series of problems that the packing box is difficult to assemble accurately are caused. If the mode of transferring the detergent from the packing box to the fixing box body on the automatic throwing device is adopted, the supplementing efficiency of the detergent is inevitably reduced, the difficulty of supplementing the detergent is improved, and the risk that the detergent accidentally flows out of the box body is increased. In either way, the automatic dispensing device based on the existing design can cause difficulty in the replenishment operation of the detergent, thereby affecting the use experience of the user.

Disclosure of Invention

The utility model aims to provide an air return bottle cap, a throwing mechanism, a throwing device and washing equipment, so as to optimize the setting position of an air ventilation structure, integrate the structural layout of the air return bottle cap and improve the use experience of a user.

To achieve the purpose, the utility model adopts the following technical scheme:

the air return bottle cap is detachably connected with an opening of the packaging box and comprises a bottle cap main body, wherein the bottle cap main body is detachably connected with the opening of the packaging box, a communication hole is formed in the bottle cap main body in a penetrating mode, at least one elastic membrane is arranged in the communication hole, and the opening and the closing of the elastic membrane are controlled through pressure difference on two sides of the elastic membrane; the communication hole comprises an air return hole which selectively communicates the packaging box with the external environment; and/or the communication hole comprises a liquid suction hole, and the liquid suction hole selectively communicates the packaging box and the suction device.

As the preferable technical scheme of air return bottle lid, the air return hole is the shoulder hole, including first hole and the second hole of intercommunication, the aperture in second hole is greater than the aperture in first hole, install the intake pipe in the second hole, at least one elastic membrane presss from both sides locates between the intake pipe with the hole bottom in second hole.

As the preferable technical scheme of the air return bottle cap, the air return bottle cap also comprises a liquid suction pipe, wherein the liquid suction pipe is provided with a liquid suction end extending into the packaging box and an inserting end communicated with the liquid suction hole; in the vertical direction, the insertion end is higher than the liquid suction end.

As the preferable technical scheme of the air return bottle cap, the liquid suction hole is a stepped hole and comprises a third hole and a fourth hole which are communicated with each other, the aperture of the fourth hole is larger than that of the third hole, the inserting end is inserted into the fourth hole, and at least one elastic membrane is clamped between the inserting end and the bottom of the fourth hole.

As the preferable technical scheme of the air return bottle cap, the liquid suction pipe is an L-shaped pipe, the opening direction of the liquid suction end is vertically downward, and the opening direction of the liquid suction end is perpendicular to the opening direction of the inserting end.

As the preferable technical scheme of the air return bottle cap, one of the liquid suction pipe and the bottle cap main body is provided with a first fool-proof protrusion, the other is provided with a first fool-proof groove, and the first fool-proof protrusion can be matched and spliced with the first fool-proof groove.

The throwing mechanism comprises a packing box and the return air bottle cap, wherein the packing box is formed by removing a packaging bottle cap from a packaged liquid product, and the packaging bottle cap is detachably connected with an opening of the packing box.

As a preferable technical scheme of the throwing mechanism, an opening pipe is arranged at the opening of the packaging box, a plug-in ring groove is concavely arranged on the main body of the bottle cap, and one end of the opening pipe, far away from the box body of the packaging box, is matched and plugged in the plug-in ring groove; the air return bottle cap further comprises a locking cap, the locking cap is arranged on the bottle cap main body, and the inner side wall of the locking cap can be tightly attached to the outer side wall of the opening pipe, so that the bottle cap main body is clamped between the opening pipe and the locking cap.

As the preferable technical scheme of the throwing mechanism, one of the bottle cap main body and the opening pipe is provided with a second fool-proof protrusion, the other is provided with a second fool-proof groove, and the second fool-proof protrusion can be matched and spliced with the second fool-proof groove.

As the preferable technical scheme of the throwing mechanism, the packaging box encloses a containing cavity for containing liquid; the packaging box is provided with a diversion bulge, the diversion bulge forms a diversion trench communicated with the accommodating cavity, and the liquid suction hole is communicated with the diversion trench; in the vertical direction, the diversion trench is lower than the accommodating cavity.

As the preferential technical scheme of releasing mechanism, the opening of packing carton is equipped with two, the bottle lid main part is equipped with two, and two the bottle lid main part is detachable respectively to be connected in two the opening of packing carton, one be provided with on the bottle lid main part at least the return air hole, another be provided with on the bottle lid main part at least the drawing liquid hole.

The delivery device comprises a containing box, an extracting device and the delivery mechanism, wherein the delivery mechanism is detachably arranged in the containing box, the extracting device is communicated with the liquid extracting hole in the delivery mechanism, and the extracting device is used for extracting liquid.

The washing equipment comprises a machine body and the throwing device, wherein the throwing device is arranged on the machine body.

The utility model has the beneficial effects that:

the air return bottle cap can integrate the ventilation structure and the liquid suction structure of the packing box on the air return bottle cap by means of the arrangement of the air return hole and the liquid suction hole, so that the structural requirement on the packing box is reduced, and the production cost of the packing box is reduced. The structure design of the air return bottle cap is matched, the box-packed liquid product of the packaging bottle cap is removed, and the box-packed liquid product can be directly assembled with the air return bottle cap, so that the aim of supplementing the detergent can be achieved by replacing the design of the packaging box, the supplementing difficulty of the detergent is reduced by the improvement, the cleaning requirement on the packaging box is not met by directly replacing the design of the packaging box, the mildew risk of the detergent is reduced, and the supplementing efficiency of the detergent is effectively improved. The elastic membrane replaces the existing unidirectional ventilation structure, so that the production cost of the air return bottle cap is reduced, and the leakage risk is reduced. The elastic membrane is matched with the suction device through the design of controlling the opening and closing by the pressure difference, and is elastically deformed and opened under the condition of external force action or internal and external pressure difference change of the packaging box, and can be immediately restored and closed after the external environment is recovered, thereby being beneficial to realizing the on-demand supply of the detergent. The structural design of the elastic membrane can prevent the leakage of the detergent and greatly reduce the risk of pollution caused by the detergent. By means of the arrangement of the air return hole and the liquid suction hole, the packing box and the external environment can be communicated through the air return hole, so that the packing box can keep air pressure balance with the external atmosphere, and detergent in the packing box can smoothly pass through the liquid suction hole.

This put in mechanism is through the mode of replacing the packing bottle lid on the box-packed liquid product for the return air bottle lid, can realize the supplementary operation of detergent, simple structure and easy and simple to handle, and above design helps reducing the cost of production, improves put in mechanism's work efficiency, has reduced the risk that the detergent flows because of the accident, has promoted the experience of using. The design that ventilation structure and drawing liquid structure integrate on the packing carton has reduced the design demand to the packing carton by a wide margin, this makes the packing carton only need reach the holding purpose to the detergent can. The design requirement of the box-packed liquid product is simplified by limiting the design requirement, the packaging bottle cap only needs to be a common sealing bottle cap, the packaging structure of the packaging box is also convenient to be simplified, the packaging reliability of the box-packed liquid product in package transportation is improved by the simplified packaging box, the risk of liquid leakage in the transportation process can be reduced, the packaging cost of the detergent can be greatly reduced, and the assembly difficulty of the packaging box and the air return bottle cap is reduced.

Drawings

FIG. 1 is a schematic view of a delivery mechanism according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a delivery mechanism according to a first embodiment of the present utility model;

fig. 3 is a schematic structural view of a bottle cap main body according to a first embodiment of the present utility model;

FIG. 4 is a schematic view of a packaged liquid product according to a first embodiment of the present utility model;

FIG. 5 is an exploded view of a packaged liquid product provided in accordance with one embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a delivery mechanism according to a second embodiment of the present utility model;

fig. 7 is a schematic view of a packaged liquid product according to a second embodiment of the present utility model.

In the figure:

100. a return air bottle cap; 110. a locking cover; 111. avoiding the through hole; 112. a first anti-slip layer; 120. a bottle cap main body; 121. an air return hole; 122. a liquid suction hole; 123. a second fool-proof protrusion; 124. a first fool-proof groove; 125. a plug ring groove; 130. a seal ring; 140. an elastic membrane; 150. an air inlet pipe; 160. a liquid suction pipe; 161. a liquid suction end; 162. a plug-in terminal; 163. a first foolproof protrusion;

200. packaging box; 210. a flow guiding protrusion; 220. an open tube; 221. a second fool-proof groove;

300. packaging bottle caps; 310. a second anti-slip layer;

410. a first split cover body; 420. a first split diaphragm; 430. a first split locking cap;

510. a second split cover body; 520. a second split membrane; 530. the second body locks the cover.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Example 1

As shown in fig. 1 to 5, the present embodiment provides a dispensing mechanism comprising a package 200 and a return air cap 100, wherein the return air cap 100 is detachably connected to an opening of the package 200, the package 200 is formed by removing a package cap 300 from a packaged liquid product, and the package cap 300 is detachably connected to the opening of the package 200. In this embodiment, the contents of the packaged liquid product are detergent.

This releasing mechanism is through the mode of replacing the packing bottle lid 300 on the box-packed liquid product with the return air bottle lid 100, can realize the supplementary operation of detergent, simple structure and easy and simple to handle, and above design helps reducing the cost of production, improves releasing mechanism's work efficiency, has reduced the risk that the detergent flows because of the accident, has promoted the experience of using.

In other implementations of the present embodiment, the packaged liquid product is replaced with a bottled detergent product, and the package box 200 is replaced with a packaging bottle, and the specific application scenario of the package box in the present embodiment is not changed, which is not repeated herein.

In this embodiment, an opening tube 220 is disposed at the opening of the package box 200, a plug ring groove 125 is concavely disposed on the bottle cap main body 120, and one end of the opening tube 220 far away from the box body of the package box 200 is matched and inserted into the plug ring groove 125; the return air bottle cap 100 further comprises a locking cap 110, wherein the locking cap 110 is covered on the bottle cap main body 120, and the inner side wall of the locking cap 110 can be tightly attached to the outer side wall of the opening tube 220, so that the bottle cap main body 120 is clamped between the opening tube 220 and the locking cap 110. By means of the cooperation of the opening pipe 220 and the plug ring groove 125, the tight connection between the bottle cap main body 120 and the packing box 200 is realized, the sealing connection of the bottle cap main body 120 to the opening of the packing box 200 is guaranteed, the condition that the detergent flows out of a gap between the bottle cap main body 120 and the packing box 200 is avoided, and the smooth operation of the throwing mechanism is guaranteed. The locking cap 110 clamps the bottle cap main body 120 between the opening pipe 220 and the locking cap 110, and the locking cap 110 is matched with the close fitting of the opening pipe 220, so that the stability of connection of the bottle cap main body 120 on the packing box 200 is further improved, the risk of detachment of the bottle cap main body 120 due to accidents is greatly reduced, and the sealing degree of a throwing mechanism is ensured. The structure is exquisite and reliable, the production cost is low, the matching tightness degree is high, and the stability of the operation of the throwing mechanism is guaranteed.

Further, a sealing ring 130 is installed in the plug ring groove 125, and the sealing ring 130 is clamped between the bottom of the plug ring groove 125 and the open pipe 220. The provision of the sealing ring 130 helps to fill the gap between the plug ring groove 125 and the open tube 220, reducing the risk of detergent spillage, and further improving the sealing degree of the dispensing mechanism. Specifically, the seal ring 130 has elasticity.

The embodiment also provides a return air bottle cap 100, which is applied to the above-mentioned dispensing mechanism, and comprises a bottle cap main body 120, wherein the bottle cap main body 120 is detachably connected to an opening of the packaging box 200, the bottle cap main body 120 is communicated with a communication hole, at least one elastic membrane 140 is arranged in the communication hole, and the opening and closing of the elastic membrane 140 are controlled by the pressure difference at two sides of the elastic membrane 140; the communication hole comprises a gas return hole 121, and the gas return hole 121 selectively communicates the packing box 200 with the external environment; and/or, the communication hole comprises a liquid suction hole 122, and the liquid suction hole 122 selectively communicates the packaging box 200 with the suction device. Specifically, the communication hole includes a return air hole 121 and an access hole 122.

The air return bottle cap 100 can integrate the ventilation structure and the liquid suction structure of the packing box 200 on the air return bottle cap 100 by means of the arrangement of the air return hole 121 and the liquid suction hole 122, thereby reducing the structural requirement on the packing box 200 and reducing the production cost of the packing box 200. The box-packed liquid product of the packaging bottle cover 300 is removed by matching with the structural design of the air return bottle cover 100, and can be directly assembled with the air return bottle cover 100, so that the aim of supplementing the detergent can be achieved by changing the design of the packaging box 200, the supplementing difficulty of the detergent is reduced by the improvement, the cleaning requirement on the packaging box 200 is not met by directly changing the design of the packaging box 200, the mildew risk of the detergent is reduced, and the supplementing efficiency of the detergent is effectively improved. The provision of the elastic membrane 140 replaces the existing unidirectional air permeable structure, reduces the production cost of the return air cap 100 and reduces the risk of leakage. The elastic membrane 140 is matched with the suction device through the design of controlling the opening and closing by the pressure difference, and is elastically deformed and opened under the action of external force or the change of the internal and external pressure difference of the packing box 200, and can be immediately restored and closed after the external environment is restored, thereby being beneficial to realizing the on-demand supply of the detergent. The elastic membrane 140 is designed to prevent leakage of the detergent and greatly reduce the risk of pollution caused by the detergent. By means of the arrangement of the air return hole 121 and the liquid suction hole 122, the packaging box 200 can be communicated with the external environment through the air return hole 121, so that the packaging box 200 can keep air pressure balance with the external atmosphere, and the detergent in the packaging box 200 can smoothly pass through the liquid suction hole 122.

The design of integrating the ventilation structure and the liquid suction structure on the packing box 200 greatly reduces the design requirement on the packing box 200, so that the packing box 200 only needs to achieve the purpose of accommodating the detergent. The above limitation simplifies the design requirement of the boxed liquid product, the packaging bottle cap 300 only needs to be a common sealing bottle cap, the packaging structure of the packaging box 200 is also convenient to be simplified, the simplified packaging box 200 increases the reliability of packaging and transportation of the boxed liquid product, the risk of liquid leakage in the transportation process can be reduced, the packaging cost of the detergent can be greatly reduced, and the assembly difficulty of the packaging box 200 and the air return bottle cap 100 is reduced.

In this embodiment, the air return hole 121 is a stepped hole, and includes a first hole and a second hole that are mutually communicated, the aperture of the second hole is larger than that of the first hole, the air inlet pipe 150 is installed in the second hole, and at least one elastic membrane 140 is clamped between the air inlet pipe 150 and the bottom of the second hole. The structure design is simple and reliable, the positioning of the elastic membrane 140 in the air return hole 121 is achieved by means of the arrangement of the stepped hole and the air inlet pipe 150, the situation that the elastic membrane 140 is deviated in position is avoided, the risk that the air return hole 121 malfunctions is reduced, the maintenance frequency of the air return bottle cap 100 is reduced, and the service life of the air return bottle cap 100 is prolonged.

Illustratively, the air return closure 100 further includes an access tube 160, the access tube 160 having a liquid-absorbing end 161 extending into the package 200 and a cartridge end 162 communicating with the access aperture 122; in the vertical direction, the insertion end 162 is higher than the liquid suction end 161. The design makes the liquid drawing hole 122 draw the detergent from the lower part, improves the setting position of the liquid drawing hole 122, reduces the processing difficulty of the air return bottle cap 100, simultaneously improves the extraction effect of the air return bottle cap 100 on the detergent in the packing box 200, effectively reduces the residual of the detergent in the packing box 200, and has simple structure and stable operation.

Further, the liquid pumping hole 122 is a stepped hole, and includes a third hole and a fourth hole that are mutually communicated, the aperture of the fourth hole is larger than that of the third hole, the insertion end 162 is inserted into the fourth hole, and the at least one elastic membrane 140 is sandwiched between the insertion end 162 and the bottom of the fourth hole. The structure design is simple and reliable, the positioning of the elastic membrane 140 in the liquid suction hole 122 is achieved by means of the arrangement of the stepped hole and the liquid suction pipe 160, the situation that the elastic membrane 140 is deviated in position is avoided, the risk that the liquid suction hole 122 malfunctions is reduced, the maintenance frequency of the air return bottle cap 100 is reduced, and the service life of the air return bottle cap 100 is prolonged.

In this embodiment, the middle portion of the elastic membrane 140 bulges in an arc shape toward one side, and the middle portion of the elastic membrane 140 has a cross-shaped or cross-shaped cutout. The above design makes the pressure to which the elastic diaphragm 140 is subjected on both sides different so that the force required to open the elastic diaphragm 140 from the concave side of the elastic diaphragm 140 is significantly smaller than the force required to open the elastic diaphragm 140 from the convex side of the elastic diaphragm 140. The design helps to realize accurate control of pressure difference at two sides of the elastic diaphragm 140, is convenient for planning the arrangement mode of the elastic diaphragm 140 in the air return hole 121 and the liquid suction hole 122, and helps to optimize the operation condition of the air return hole 121 and the liquid suction hole 122, so that the medium can flow in the air return hole 121 and the liquid suction hole 122 according to a preset track, and further the arrangement requirement of the air return bottle cap 100 is met.

In this embodiment, an elastic membrane 140 is installed in both the air return hole 121 and the liquid suction hole 122.

In other embodiments of the present embodiment, two elastic diaphragms 140 are installed in the air return hole 121 and the liquid suction hole 122, and the convex sides of the two elastic diaphragms 140 are disposed opposite to each other. The design makes the external force required by the communication of the air return hole 121 and the liquid suction hole 122 from two ends the same, and simultaneously improves the differential pressure required by the communication of the air return hole 121 and the liquid suction hole 122, thereby being beneficial to improving the leakage-proof capability of the air return hole 121 and the liquid suction hole 122.

Illustratively, the extractor 160 is an L-shaped tube with the liquid-absorbing end 161 opening vertically downward and the liquid-absorbing end 161 opening perpendicular to the cartridge end 162 opening. The structural design of the liquid suction pipe 160 ensures that the liquid suction hole 122 can draw the detergent from a low place, and simultaneously reduces the processing difficulty of the liquid suction pipe 160 and the space occupied by the air return bottle cap 100.

In this embodiment, one of the liquid sucking tube 160 and the bottle cap main body 120 is provided with a first fool-proof protrusion 163, and the other is provided with a first fool-proof groove 124, and the first fool-proof protrusion 163 can be matched and inserted with the first fool-proof groove 124. Specifically, the outer wall of the liquid suction tube 160 is convexly provided with a first fool-proof protrusion 163, and the bottle cap main body 120 is concavely provided with a first fool-proof groove 124. The above design ensures that the assembly position of the liquid suction pipe 160 on the bottle cap main body 120 is fixed, and the connection stability of the liquid suction pipe 160 and the bottle cap main body 120 is improved, thereby ensuring the determination of the opening of the liquid suction end 161, and enabling the liquid suction hole 122 to be capable of extracting the detergent from a low place.

In this embodiment, one of the bottle cap main body 120 and the opening tube 220 is provided with a second fool-proof protrusion 123, and the other is provided with a second fool-proof groove 221, and the second fool-proof protrusion 123 can be inserted into the second fool-proof groove 221 in a matching manner. Specifically, the bottle cap main body 120 is convexly provided with a second fool-proof protrusion 123, and the outer sidewall of the open tube 220 is concavely provided with a second fool-proof groove 221. The setting of the second fool-proof protrusion 123 and the second fool-proof groove 221 plays a fool-proof role, avoids the condition of misloading, determines the relative position relation between the bottle cap main body 120 and the opening pipe 220, ensures that the relative position relation between the air return hole 121 and the liquid suction hole 122 is determined, ensures the relative position determination of the delivery mechanism when the delivery mechanism is communicated with the extraction equipment, reduces the assembly difficulty of the delivery mechanism, is beneficial to improving the application environment of the delivery mechanism, ensures the stable operation of the air return hole 121 and the liquid suction hole 122, and improves the manufacturability of the delivery mechanism.

Specifically, in the vertical direction, the return air hole 121 is higher than the liquid suction hole 122.

Illustratively, the package 200 encloses a receiving cavity for receiving a detergent; the packing box 200 is provided with a diversion protrusion 210, the diversion protrusion 210 forms a diversion trench communicated with the accommodating cavity, and the liquid suction hole 122 is communicated with the diversion trench; in the vertical direction, the guiding gutter is lower than the accommodation chamber. The setting of guiding gutter has played the effect of collecting the detergent, and cooperation drawing liquid hole 122 intercommunication guiding gutter's design can be as far as possible with the detergent extraction in the packing carton 200 clean, reduces the residual of detergent, avoids appearing extravagant condition, promotes the degree of environmental protection. Specifically, the liquid suction end 161 extends into the channel.

In this embodiment, the locking cap 110 is penetrated with an avoidance through hole 111, and the bottle cap main body 120 partially penetrates out of the avoidance through hole 111, and the outer wall surface of the locking cap 110 is provided with a first anti-slip layer 112 for anti-slip; the outer wall surface of the packing bottle cap 300 is provided with a second anti-slip layer 310 for preventing slip.

The embodiment also provides a throwing device, which comprises a containing box, a drawing device and the throwing mechanism, wherein the throwing mechanism is detachably arranged in the containing box, the drawing device is communicated with a liquid drawing hole 122 on the throwing mechanism, and the drawing device is used for drawing liquid. According to the design, the liquid in the throwing mechanism can be extracted by the extracting device, the relative position of the extracting device and the throwing mechanism is ensured to be determined by the setting of the containing box, the risk that the throwing device is invalid due to accidents is reduced, and the maintenance frequency of the throwing device is reduced.

The embodiment also provides washing equipment, which comprises a main body and the throwing device, wherein the throwing device is arranged on the main body. According to the design, the detergent can be automatically thrown into the main body of the machine body by the throwing device.

Example two

As shown in fig. 1 to 7, the air return bottle cap 100 of the second embodiment is basically the same as the first embodiment, and is different in that two openings of the package boxes 200 are provided, two bottle cap bodies 120 are provided, the two bottle cap bodies 120 are detachably connected to the openings of the two package boxes 200, at least one air return hole 121 is provided on one bottle cap body 120, and at least one liquid suction hole 122 is provided on the other bottle cap body 120.

The mode that the air return hole 121 and the liquid suction hole 122 are respectively arranged on the two bottle cap main bodies 120 is adopted, so that the layout adjustment of the air return hole 121 and the liquid suction hole 122 is realized, the flexibility of the throwing mechanism is improved, the throwing mechanism can be applied to different working environments, the application range of the throwing mechanism is expanded, and the space occupied by the throwing mechanism is optimized.

In this embodiment, a first split cover body 410 is inserted into one opening of the package box 200, a return air hole 121 is perforated on the first split cover body 410, a first split membrane 420 is arranged in the return air hole 121, and a first split locking cover 430 is covered on the first split cover body 410 and is in locking connection with the package box 200; the other opening of the packing box 200 is inserted with a second split cover main body 510, the second split cover main body 510 is penetrated with a liquid suction hole 122, a second split membrane 520 is arranged in the liquid suction hole 122, and a second split locking cover 530 covers the second split cover main body 510 and is in locking connection with the packing box 200.

The connection between the bottle cap main body 120 and the package box 200 is substantially the same as that of the first embodiment, and the plugging design between the bottle cap main body 120 and the package box 200 and the cover design of the locking cover 110 are suitable for the above description, and the description thereof will be omitted herein for the sake of brevity.

In this embodiment, since two openings are provided in the packing boxes 200, one packing bottle cap 300 is detachably connected to each opening of the packing boxes 200. Two guide protrusions 210 are provided on the packing box 200, and each guide protrusion 210 corresponds to an opening of one packing box 200. The design can achieve the design purpose of communicating with the diversion trench no matter the bottle cap main body 120 with the liquid suction hole 122 is arranged on any opening of the packing box 200. The design ensures that the detergent in the packaging box 200 can be extracted completely, improves the suitability of the air return bottle cap 100 and the packaging box 200, reduces the assembly difficulty of the air return bottle cap 100 and the packaging box 200, greatly reduces the risk of assembly errors, and further improves the assembly efficiency.

In one embodiment of the present embodiment, the bottle cap main body 120 having the liquid suction hole 122 is provided with the second fool-proof protrusion 123, and each of the open tubes 220 is provided with the second fool-proof groove 221. In another embodiment of the present embodiment, the bottle cap main body 120 having the liquid suction hole 122 is provided with a second fool-proof groove 221, and each opening tube 220 is provided with a second fool-proof protrusion 123. The above design enables the bottle cap main body 120 having the liquid suction hole 122 to be surely positioned with respect to the packing box 200 regardless of being mounted on any one of the openings of the packing box 200. Thereby ensuring that the liquid suction hole 122 can be accurately communicated with the diversion trench, ensuring that the detergent in the packaging box 200 can be completely extracted, and further reducing the risk of assembly errors.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (13)

1. The air return bottle cap is detachably connected to an opening of the packaging box (200) and is characterized by comprising a bottle cap main body (120), wherein the bottle cap main body (120) is detachably connected to the opening of the packaging box (200), a communication hole is formed in the bottle cap main body (120) in a penetrating mode, at least one elastic membrane (140) is arranged in the communication hole, and the opening and the closing of the elastic membrane (140) are controlled through pressure difference at two sides of the elastic membrane (140);

the communication hole comprises an air return hole (121), and the air return hole (121) selectively communicates the packaging box (200) with the external environment; and/or, the communication hole comprises a liquid suction hole (122), and the liquid suction hole (122) selectively communicates the packaging box (200) with suction equipment.

2. The air return bottle cap according to claim 1, wherein the air return hole (121) is a stepped hole, and comprises a first hole and a second hole which are communicated with each other, the aperture of the second hole is larger than that of the first hole, an air inlet pipe (150) is installed in the second hole, and at least one elastic membrane (140) is clamped between the air inlet pipe (150) and the hole bottom of the second hole.

3. The air return bottle cap according to claim 1, further comprising an extraction tube (160), the extraction tube (160) having a liquid suction end (161) extending into the package (200) and a plug-in end (162) communicating with the extraction aperture (122); in the vertical direction, the insertion end (162) is higher than the liquid suction end (161).

4. A bottle cap according to claim 3, wherein the liquid-extracting hole (122) is a stepped hole, and comprises a third hole and a fourth hole which are communicated with each other, the aperture of the fourth hole is larger than that of the third hole, the insertion end (162) is inserted into the fourth hole, and at least one elastic membrane (140) is clamped between the insertion end (162) and the bottom of the fourth hole.

5. A bottle cap according to claim 3, wherein the liquid suction pipe (160) is an L-shaped pipe, the opening direction of the liquid suction end (161) is vertically downward, and the opening direction of the liquid suction end (161) is perpendicular to the opening direction of the insertion end (162).

6. A closure according to claim 3, wherein one of the liquid extraction tube (160) and the closure body (120) is provided with a first fool-proof protrusion (163) and the other is provided with a first fool-proof recess (124), the first fool-proof protrusion (163) being matably insertable with the first fool-proof recess (124).

7. The dispensing mechanism is characterized by comprising a packaging box (200) and the return air bottle cap according to any one of claims 1-6, wherein the packaging box (200) is formed by removing a packaging bottle cap (300) from a packaged liquid product, and the packaging bottle cap (300) is detachably connected to an opening of the packaging box (200).

8. The delivery mechanism according to claim 7, wherein an opening pipe (220) is arranged at the opening of the packaging box (200), an inserting ring groove (125) is concavely arranged on the bottle cap main body (120), and one end of the opening pipe (220) far away from the box body of the packaging box (200) is matched and inserted into the inserting ring groove (125); the air return bottle cap further comprises a locking cap (110), the locking cap (110) is arranged on the bottle cap main body (120) in a covering mode, the inner side wall of the locking cap (110) can be tightly attached to the outer side wall of the opening pipe (220), and the bottle cap main body (120) is clamped between the opening pipe (220) and the locking cap (110).

9. The dispensing mechanism according to claim 8, wherein one of the bottle cap body (120) and the opening tube (220) is provided with a second fool-proof protrusion (123), and the other is provided with a second fool-proof groove (221), and the second fool-proof protrusion (123) can be matched and inserted with the second fool-proof groove (221).

10. The dispensing mechanism of claim 7, wherein the package (200) encloses a receiving cavity for receiving a liquid; a diversion protrusion (210) is arranged on the packaging box (200), the diversion protrusion (210) forms a diversion trench communicated with the accommodating cavity, and the liquid suction hole (122) is communicated with the diversion trench; in the vertical direction, the diversion trench is lower than the accommodating cavity.

11. The dispensing mechanism according to claim 7, wherein two openings of the packing box (200) are provided, two bottle cap bodies (120) are provided, and the two bottle cap bodies (120) are detachably connected to the two openings of the packing box (200), one bottle cap body (120) is provided with at least the air return hole (121), and the other bottle cap body (120) is provided with at least the liquid suction hole (122).

12. The dispensing device is characterized by comprising a containing box, an extracting device and the dispensing mechanism of any one of claims 7-11, wherein the dispensing mechanism is detachably arranged in the containing box, the extracting device is communicated with the liquid extracting hole (122) on the dispensing mechanism, and the extracting device is used for extracting the liquid.

13. Washing apparatus comprising a main body and the dispensing device of claim 12, said dispensing device being mounted to said main body.