Liquid guide structure of liquid storage box, additive feeding module and washing machine

Abstract

The application discloses a liquid guide structure of a liquid storage box, an additive feeding module and a washing machine. The liquid guide structure comprises a box body connecting unit installed at a feeding opening of the liquid storage box and used for closing the feeding opening in a normal state. A liquid guide plug-in unit is arranged on a plug-in groove for mounting the liquid storage box. After the liquid storage box is mounted in the plug-in groove, the liquid guide plug-in unit is plugged and matched with the box body connecting unit to open the feeding opening. An elastic sealing unit comprises an elastic member and a sealing member. The sealing member is tightly abutted against a matching gap between the liquid guide plug-in unit and the box body connecting unit under the action of the elastic member. Through the cooperation of the elastic member and the sealing member, the sealing member is tightly abutted against the matching gap between the liquid guide plug-in unit and the box body connecting unit, the overall sealing performance of the liquid guide structure is better, and the phenomenon that the additive leaks from the liquid storage box is effectively avoided. In addition, the elastic member can also apply a push-out force to the liquid storage box to assist the ejection of the liquid storage box, so that the liquid storage box is more easily and smoothly pulled out, and the use experience is better.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of laundry additive dispensing, in particular, relates to a liquid guiding structure of a liquid storage box, an additive dispensing module and a washing machine. BACKGROUND

[0002] The common additive dispensing methods of the existing washing machine, especially the impeller washing machine, include the following two kinds:

[0003] One is that the user directly puts the additive into the barrel of the washing machine, and the additive dispensing amount is inconvenient to control in this way. At the same time, since the additive is directly put into the barrel, the undiluted additive will directly contact with the clothes, which can easily cause the clothes to fade and other problems.

[0004] The other is to set a liquid storage box on the washing machine, and the user pre-dispenses the additive into the liquid storage box in advance, and uses the water inlet to flush the additive into the washing barrel to realize automatic dispensing of the additive. The above dispensing method can realize accurate control of the additive dispensing amount, and the additive can be fully mixed with the water inlet before being dispensed into the washing barrel.

[0005] For example, a washing machine with application number 201710684754.7 includes a control disc seat and an additive dispensing system arranged on the control disc seat. The additive dispensing system includes at least one dispensing unit, wherein one dispensing unit includes a sealed container for storing additives and an automatic dispensing mechanism for dispensing the additives into the washing barrel. The container is externally and detachably mounted above the control disc seat. The control disc seat is provided with a mounting part for placing the container and a liquid guiding connecting part for guiding the additives out of the container. The liquid guiding connecting part is connected with the automatic dispensing mechanism.

[0006] The liquid outlet of the container of the above-mentioned washing machine is provided with a liquid outlet structure, a one-way valve is arranged in the liquid outlet structure, the one-way valve includes a drainage channel and a piston arranged in the drainage channel, and the liquid guiding connecting part can extend into the drainage channel to open the piston and open the liquid outlet. When the liquid guiding connecting part opens the piston, the additives in the container will enter the liquid guiding cavity between the liquid guiding connecting part and the liquid outlet structure through the drainage channel. However, due to the ineffective sealing structure between the liquid guiding connecting part and the liquid outlet structure, the additives in the liquid guiding cavity will leak from the gap between the two, which affects the user experience.

[0007] Therefore, the present application is proposed. SUMMARY

[0008] The technical problem to be solved by the present application is to overcome the shortcomings of the prior art, and to provide a liquid guiding structure of a liquid storage box. By arranging an elastic sealing unit between the box body connecting unit and the liquid guiding plug-in unit, the sealing performance of the entire liquid guiding structure can be better, and the phenomenon of additive leakage during the dispensing process of the liquid storage box can be effectively avoided.

[0009] To solve the above technical problems, the basic idea of the technical solution of the present application is:

[0010] A liquid guide structure of a liquid storage box, comprising:

[0011] A box body connecting unit installed at a drop port of the liquid storage box, which normally closes the drop port;

[0012] A liquid guide plug-in unit arranged on a plug-in slot for installing the liquid storage box, which, after the liquid storage box is installed in the plug-in slot, plug-in cooperates with the box body connecting unit to open the drop port;

[0013] An elastic sealing unit, comprising an elastic member and a sealing member, which, under the action of the elastic member, tightly abuts and blocks the cooperation gap between the liquid guide plug-in unit and the box body connecting unit.

[0014] Further, the liquid guide plug-in unit comprises a plug-in part, the box body connecting unit has a flow guide channel, and the flow guide channel is provided with a valve body which is opened by the stop end of the plug-in part and closed in the normal state;

[0015] The sealing member, under the action of the elastic member, tightly abuts and blocks the cooperation gap between the outer peripheral wall of the plug-in part and the flow guide channel.

[0016] Further, the elastic member is compressed between the outer side end wall of the liquid guide plug-in unit and the box body connecting unit, the plug-in part extends into the flow guide channel, and the front end has a stop end which cooperates with the valve body to open the drop port;

[0017] One end of the sealing member is sealingly connected to the peripheral wall of the plug-in part near the stop end, and the other end extends away from the stop end and is pressed against the outer side end wall of the box body connecting unit under the action of the elastic member to form a seal.

[0018] Further, the box body connecting unit comprises a connecting sleeve with one end located outside the liquid storage box and cooperating with the plug-in part and the other end extending into the liquid storage box, the connecting sleeve has a flow guide channel, and the plug-in part is a top rod with an outer diameter smaller than the inner diameter of the connecting sleeve;

[0019] The front end peripheral wall of the top rod is provided with a sealing groove, the sealing member comprises an annular sealing part extruded and limited in the sealing groove, an annular pressing part tightly abutting against the outer side end wall of the connecting sleeve under the action of the elastic member, and an annular blocking part connected between the annular sealing part and the annular pressing part;

[0020] Preferably, the annular sealing part, the annular blocking part and the annular pressing part are all made of rubber material.

[0021] Further, the annular blocking part is a curved stretching wall formed by at least one bending and connecting between the annular sealing part and the annular pressing part, which blocks the fitting gap between the outer peripheral wall of the top rod and the connecting sleeve.

[0022] Further, the annular blocking part comprises a first blocking wall in the shape of a cylinder matched with the outer periphery of the top rod, one end of the first blocking wall is fixedly connected with the annular sealing part, and the other end extends to the root of the top rod and reversely bends to form a second blocking wall;

[0023] The annular pressing part has a pressing body in the shape of a ring, the second blocking wall is connected to the pressing body, and the extension length of the first blocking wall is greater than the distance between the outer end wall of the connecting sleeve and the annular sealing part.

[0024] Preferably, the inner end surface of the pressing body abuts against the outer end wall of the connecting sleeve, the second blocking wall is connected to the inner peripheral wall surface of the pressing body close to the inner end surface, and the second blocking wall is gradually outwardly inclined from the end of the first blocking wall.

[0025] More preferably, the length of the second blocking wall in the horizontal direction is greater than the thickness of the pressing body.

[0026] Further, the annular pressing part comprises a pressing body in the shape of a ring and one or more sealing ribs connected to the inner end surface of the pressing body, the sealing ribs abut against the outer end wall of the connecting sleeve under the action of the elastic member.

[0027] Preferably, the sealing ribs are gradually outwardly inclined from the root.

[0028] Further, the liquid guiding plug-in unit further comprises a liquid guiding part fixedly arranged on the plug-in groove, the plug-in part is fixedly connected to the side wall of the liquid guiding part, one end of the elastic member is fixedly arranged on the liquid guiding part and / or the plug-in part, and the other end is compressively abutted against the sealing member.

[0029] Preferably, the elastic member is a spring compressively arranged between the liquid guiding part and the sealing member.

[0030] Further, the spring is sleeved outside the top rod and is compressively arranged between the liquid guiding part and the annular pressing part, the outer end surface of the annular pressing part close to the side of the spring is provided with an annular clamping groove, and the spring is limitingly arranged in the annular clamping groove.

[0031] Another object of the present application also provides an additive feeding module having at least one plug-in groove, a liquid storage box is arranged in the plug-in groove, and the liquid storage box has a closed chamber for storing additives.

[0032] The additive dispensing module further comprises a dispensing unit in communication with the dispensing opening of the liquid storage box through the above-mentioned liquid guide structure.

[0033] Another object of the present application also provides a washing machine, which realizes automatic dispensing of additives through the above-mentioned additive dispensing module.

[0034] Compared with the prior art, the present application has the following beneficial effects.

[0035] 1. Through cooperation of the elastic member and the sealing member, the sealing member is tightly blocked at the cooperation gap between the liquid guide plug-in unit and the box body connecting unit, so that the sealing property of the whole liquid guide structure is better, and the phenomenon of additive leakage during dispensing of the liquid storage box is effectively avoided.

[0036] 2. The sealing member in the present application is composed of a ring-shaped sealing part, a ring-shaped pressing part and a ring-shaped blocking part, wherein: the ring-shaped sealing part is extruded and limited in the sealing groove of the plug-in part to realize sealing between the sealing member and the plug-in part, the ring-shaped pressing part is pressed against the end face of the box body connecting unit under the action of the elastic member to realize sealing, and the ring-shaped blocking part blocks the gap between the plug-in part and the liquid guide channel. The sealing member in the present application can realize all-round sealing of the cooperation gap between the liquid guide plug-in unit and the elastic sealing unit through the above-mentioned structure, and the sealing effect is better.

[0037] 3. The ring-shaped blocking part in the present application adopts a curved tensile wall structure formed by one or more times of bending, so that the ring-shaped blocking part has better tensile property and expansion space, can adapt to different gap distances between the outer peripheral wall of the plug-in part and the box body connecting unit, and has high self-adaptability. Moreover, the ring-shaped blocking part can also adapt to forward and backward movement of the box body connecting unit through the curved tensile wall structure, and can ensure good sealing between the liquid guide plug-in unit regardless of insertion, extraction or pushing and pulling of the liquid storage box.

[0038] 4. The plug-in part and the liquid guide channel in the present application are not in interference fit, and there is a gap between them without damping force, so that the liquid storage box can be inserted or extracted more easily and smoothly. When the liquid storage box is replaced, the elastic member can also apply a pushing and pulling force to the liquid storage box to assist its ejection, so that the user can easily and smoothly extract the liquid storage box by providing a small initial pushing force during pushing and pulling unlocking, thereby improving the user's experience.

[0039] The specific embodiments of the present application are described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0040] The accompanying drawings, which are part of this application, serve to further understand the present application, and the illustrative embodiments of the present application and their descriptions serve to explain the present application, but do not constitute undue limitations on the present application. Obviously, the drawings in the following description are only some embodiments, and other drawings can be obtained from these drawings without creative labor for those skilled in the art.

[0041] In the drawings:

[0042] Figure 1 is a structural schematic diagram of the additive feeding module in the embodiment of the present application;

[0043] Figure 2 is an enlarged view of A of Figure 1

[0044] Figure 3 is a partial sectional view of the additive feeding module in the embodiment of the present application;

[0045] Figure 4 is an enlarged view of B of Figure 3

[0046] Figure 5 is a structural schematic diagram of the sealing member in the embodiment of the present application.

[0047] In the drawings:

[0048] 1, liquid storage box;

[0049] 2, liquid guiding plug-in unit; 21, plug-in part; 211, sealing groove; 22, liquid guiding part; 23, first sealing ring;

[0050] 3, box body connecting unit; 3a, outer side end wall;

[0051] 31, connecting sleeve; 32, valve body; 33, second spring; 34, second sealing ring;

[0052] 4, elastic sealing unit;

[0053] 41, elastic member;

[0054] 42, sealing member; 421, annular sealing part; 422, annular blocking part; 4221, first blocking wall; 4222, second blocking wall;

[0055] 423, annular pressing part; 4231, sealing rib; 4232, annular clamping groove;

[0056] 5, additive feeding module; 51, plug-in groove.

[0057] ​​It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the invention in any way, but rather to illustrate the concept of the invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0058] To make the objectives, 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 accompanying drawings. The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0059] In the description of this invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0060] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0061] The present invention will be further described in detail below with reference to the embodiments.

[0062] like Figures 1 to 5 As shown, this embodiment of the invention provides a liquid guiding structure for a liquid storage box. The liquid guiding structure includes: a box body connecting unit 3, which is installed at the dispensing port of the liquid storage box 1 and normally closes the dispensing port; and a liquid guiding insertion unit 2, which is disposed on the insertion slot 51 for installing the liquid storage box 1. After the liquid storage box 1 is installed in the insertion slot 51, the liquid guiding insertion unit 2 and the box body connecting unit 3 are inserted and cooperated to open the dispensing port for dispensing.

[0063] In the above solution, the liquid guiding insertion unit 2 can be integrated into the insertion groove 51. For example, the liquid guiding insertion unit 2 can be integrally injection molded into the insertion groove 51. Alternatively, the liquid guiding insertion unit 2 can also be fixedly installed in the insertion groove 51 by a connecting structure. For example, the liquid guiding insertion unit 2 can be fixedly installed in the insertion groove 51 by screws, clips, adhesives, etc.

[0064] Further, the liquid guide structure of the liquid storage box in the embodiment further comprises an elastic sealing unit 4, which comprises an elastic member 41 and a sealing member 42. The sealing member 42 is tightly abutted against the cooperation gap between the liquid guide plug-in unit 2 and the box body connecting unit 3 under the action of the elastic member 41.

[0065] In the embodiment, the cooperation of the elastic member 41 and the sealing member 42 can make the sealing member 42 tightly abut against the cooperation gap between the liquid guide plug-in unit 2 and the box body connecting unit 3, so that the overall sealing performance of the liquid guide structure is better, and the phenomenon of additive leakage of the liquid storage box 1 is effectively avoided.

[0066] Further, the outer periphery of the box body connecting unit 3 is sealingly installed in the pouring opening. The box body connecting unit 3 has a first flow channel inside, which is in communication with the inside of the liquid storage box 1. The liquid guide plug-in unit 2 comprises a plug-in part 21. The box body connecting unit 3 has a first flow channel inside. A valve body 32 is arranged in the first flow channel and is opened by the stop action of the plug-in part 21 to open the pouring opening and is closed in a normal state.

[0067] Specifically, as shown in Figure 2 and Figure 4 , the first flow channel is divided into two parts, comprising a first channel and a second channel which are in communication with each other. The inner diameter of the second channel is smaller than that of the first channel. The plug-in part 21 is plug-in matched with the first channel. The second channel forms a valve cavity for installing the valve body 32. The valve body 32 is arranged in the second channel and closes the second channel in a normal state. The second channel is in communication with the inside of the liquid storage box 1. A ring-shaped sealing boss is arranged on the inner peripheral wall of the second channel close to the side of the first channel.

[0068] The valve body 32 comprises a valve plug and a second spring 33. The second spring 33 is compressed and arranged in the second channel. One end of the second spring 33 abuts against the valve plug, and the other end is compressed and abuts against a limiting boss in the second channel. In a normal state, the valve plug can abut against the ring-shaped sealing boss under the action of the second spring 33 to form a seal and prevent the additive in the liquid storage box 1 from overflowing from the first flow channel.

[0069] Preferably, a second sealing ring 34 is arranged at the position where the valve plug cooperates with the ring-shaped sealing boss. The second sealing ring 34 is arranged to further ensure the sealing performance of the valve cavity inside the second channel and prevent the additive in the second channel from overflowing between the outer peripheral wall of the valve plug and the sealing boss in a normal state, so that the entire liquid storage box 1 forms a closed sealed chamber.

[0070] In the pouring state, as shown in Figure 1 and Figure 3As shown, after the liquid storage box 1 is inserted into the insertion slot 51, the insertion part 21 extends into the first channel. The stop end at the front end of the insertion part 21 pushes open the valve body 32, so that a gap is formed between the valve body 32 and the annular sealing boss, allowing the additive in the second channel to flow into the first channel. The insertion part 21 has a second guide channel connected to the first channel. Under the suction action of the dispensing unit, the additive flowing into the first channel is guided out through the second guide channel of the insertion part 21 for dispensing.

[0071] Since there is a certain gap between the first channel and the insertion part 21, the additive that enters the first channel is very easy to leak from the gap between the two. Therefore, the liquid guiding structure provided in this example is provided with a sealing member 42 that, under the action of the elastic member 41, tightly abuts against and seals the fitting gap between the outer peripheral wall of the insertion part 21 and the first guiding channel.

[0072] In this embodiment, the liquid storage box 1 has a dispensing port on its side wall, and an installation interface structure is integrally injection molded around the outer circumference of the dispensing port. One end of the box body connecting unit 3 is sealed and connected to the installation interface structure, and the other end extends into the interior of the liquid storage box 1.

[0073] In this embodiment, the housing connection unit 3 can be threaded or snapped into the mounting interface structure.

[0074] Preferably, such as Figures 1 to 4 As shown, in this embodiment, the box connecting unit 3 and the installation interface structure are connected and fixed by a snap-fit ​​method. The installation interface structure is formed by extending horizontally outward from the circumferential edge of the dispensing port.

[0075] The box-body connecting unit 3 has a cylindrical body. The outer end wall 3a of the box-body connecting unit 3, which is close to the mounting interface structure, extends a certain distance in the outward direction and then bends in the opposite direction to form a folded snap-fit ​​wall. The folded snap-fit ​​wall and the peripheral wall of the box-body connecting unit 3 form a limiting groove that snaps onto the mounting interface structure. The mounting interface structure snaps into the limiting groove. The snap-fit ​​cooperation between the two restricts the displacement of the box-body connecting unit 3 in the vertical direction and improves the stability of the cooperation between the two.

[0076] Preferably, the inner peripheral wall of the folding snap-fit ​​wall is provided with one or more snap-fit ​​ribs, and the outer peripheral wall of the mounting interface structure is correspondingly provided with its snap-fit ​​mating ribs. The snap-fit ​​mating of the snap-fit ​​ribs and mating ribs further ensures the stability of the fit between the box connecting unit 3 and the mounting interface structure, while limiting the axial displacement of the box connecting unit 3 and also providing a certain sealing effect.

[0077] More preferably, a first sealing ring 23 is provided between the inner peripheral wall of the mounting interface structure and the box connecting unit 3. Specifically, an annular mounting groove for installing the first sealing ring 23 is provided on the peripheral wall of the box connecting unit 3, and the first sealing ring 23 is pressed between the annular mounting groove and the inner peripheral wall of the mounting interface structure. The first sealing ring 23 ensures the sealing between the box connecting unit 3 and the dispensing port, preventing the additive in the liquid storage box 1 from leaking out through the gap between them.

[0078] In this embodiment, the elastic element 41 is compressed and disposed between the outer end wall 3a of the liquid guiding insertion unit 2 and the box body connecting unit 3. The insertion part 21 extends into the first flow guiding channel, and its front end has a stop-top that cooperates with the stop-top of the valve body 32 to open the dispensing port. The sealing element 42 is ring-shaped. One end of the sealing element 42 is sealed and connected to the peripheral wall of the insertion part 21 near the stop-top, and the other end extends away from the stop-top and is pressed against the outer end wall 3a of the box body connecting unit 3 under the action of the elastic element 41 to form a seal.

[0079] Since the insertion part 21 and the first flow channel are connected by a plug-in joint, a certain amount of clearance is required between them to facilitate the removal of the liquid storage box 1 for replacement or the addition of additives. The sealing element 42 has a certain degree of elasticity, with one end sealed to the front peripheral wall of the insertion part 21, and the other end pressed and sealed against the outer end wall 3a of the box body connecting unit 3 under the action of the elastic element 41. Compared with directly setting a sealing ring for compression sealing between the first flow channel and the insertion part 21, there is no damping force between them, making it easier and smoother to insert or remove the liquid storage box 1.

[0080] Furthermore, the box body connecting unit 3 includes a connecting sleeve 31 with one end located outside the liquid storage box 1 and cooperating with the plug-in part 21, and the other end extending into the liquid storage box 1. The connecting sleeve 31 has a first flow channel inside. The connecting sleeve 31 includes a first connecting tube and a second connecting tube with a reduced inner diameter. A first channel is formed inside the first connecting tube, and a second channel is formed inside the second connecting tube.

[0081] like Figure 3 and Figure 4 As shown, the insertion part 21 is a push rod with an outer diameter smaller than the inner diameter of the connecting sleeve 31. The push rod has a second flow channel that communicates with the first channel. The front end of the push rod is provided with a stop protrusion. The stop protrusion cooperates with the valve plug to push open the valve plug, open the first flow channel, and thus open the dispensing port for dispensing.

[0082] Specifically, the extension direction of the top rod is consistent with the extension direction of the first flow guide channel, the top rod is a transversely arranged cylindrical rod, the top rod has a horizontal interface, the horizontal interface is located above the horizontal plane where the central axis of the top rod is located, the horizontal interface divides the top rod into an upper half and a lower half, and the second flow guide channel is arranged in the upper half of the top rod along the length direction of the top rod. The top rod is fixedly arranged on the end of the lower half of the top rod close to the valve body 32, and the top rod is a boss protruding from the end of the top rod. The boss is in abutment with the valve body 32 to open the valve body 32 and achieve the pouring.

[0083] In the embodiment, as shown in Figure 2 、 Figure 4 、 Figure 5 The front end peripheral wall of the top rod is provided with a sealing groove 211, the sealing member 42 includes an annular sealing portion 421 extruded and limited in the sealing groove 211, an annular pressing portion 423 abutting against the outer end wall 3a of the connecting sleeve 31 under the action of the elastic member 41, and an annular blocking portion 422 connected between the annular sealing portion 421 and the annular pressing portion 423.

[0084] The sealing member 42 in the embodiment of the application is composed of the annular sealing portion 421, the annular pressing portion 423 and the annular blocking portion 422, and the cooperation gap between the liquid guide plug-in connection unit 2 and the elastic sealing unit 4 can be sealed in all directions by adopting the above structure, and the sealing effect is better.

[0085] Preferably, the annular sealing portion 421, the annular blocking portion 422 and the annular pressing portion 423 are all made of rubber material, the sealing member 42 made of rubber material has good sealing performance and low cost, and the annular sealing portion 421, the annular blocking portion 422 and the annular pressing portion 423 are integrally formed.

[0086] In an embodiment, the annular blocking portion 422 is a curved stretching wall connected between the annular sealing portion 421 and the annular pressing portion 423 and formed by at least one bending, and the curved stretching wall blocks the cooperation gap between the peripheral wall of the top rod and the connecting sleeve 31. In the embodiment, the annular blocking portion 422 is a curved stretching wall formed by one or more bendings, so that the annular blocking portion 422 has good stretching performance, has a large stretching space, can adapt to different gap distances between the peripheral wall of the top rod and the connecting sleeve 31, can block even if the gap is large, ensures the sealing effect, and has high self-adaptability.

[0087] Since the box connecting unit 3 moves forward and backward relative to the plug-in part 21 during the plug-in process, the curved and stretched wall structure of the annular sealing part 422 in the embodiment of the application can adapt to the forward and backward movement of the box connecting unit 3, and can ensure good sealing between the liquid guide plug-in unit 2 and the liquid storage box 1 during the insertion, removal or push-pull of the liquid storage box 1.

[0088] Further, as shown in Figure 4 、 Figure 5 The annular sealing part 422 includes a first sealing wall 4221 in the shape of a cylinder matched with the outer periphery of the top rod, one end of the first sealing wall 4221 is fixedly connected with the annular sealing part 421, and the other end extends to the root of the top rod and then reversely bends to form a second sealing wall 4222, and the first sealing wall 4221 and the second sealing wall 4222 together form the curved and stretched wall.

[0089] In the embodiment, the annular sealing part 421 is a sealing protruding ring protruding on the inner peripheral wall of the first sealing wall 4221 close to the valve body 32 side, the sealing protruding ring is extruded and limited in the sealing groove 211 provided on the front end peripheral wall of the top rod, and forms a sealed connection with the top rod.

[0090] In the embodiment, the annular pressing part 423 has a ring-shaped pressing body, the end of the second sealing wall 4222 is fixedly connected on the pressing body, and the extension length of the first sealing wall 4221 is greater than the distance between the outer end wall 3a of the connecting sleeve 31 and the annular sealing part 421, so as to ensure that the annular sealing part 422 has a larger stretching space and can block the cooperation gap between the top rod and the first channel, and is not affected by the movement of the liquid storage box 1.

[0091] Preferably, the inner side end face of the pressing body abuts against the outer end wall 3a of the connecting sleeve 31, the second sealing wall 4222 is connected on the inner peripheral wall face of the pressing body close to the inner side end wall face, the second sealing wall 4222 is gradually outwardly inclined from the end of the first sealing wall 4221, and the second sealing wall 4222 is in the shape of a circular truncated cone.

[0092] More preferably, the length of the second sealing wall 4222 in the horizontal direction is greater than the thickness of the pressing body, so that the overlapping part of the second sealing wall 4221 and the second sealing wall 4222 is longer, the stretching space is larger, and the self-adaptive sealing capability is higher.

[0093] In another more preferred embodiment, as shown in Figure 2 、 Figure 4As shown, the annular pressing part 423 comprises an annular pressing body and one or more sealing ribs 4231 connected to the inner side end face of the pressing body, which sealing ribs 4231 are tightly pressed against the outer side end wall 3a of the connecting sleeve 31 under the action of the elastic member 41.

[0094] By providing the sealing ribs 4231 on the inner side end face of the pressing body, which sealing ribs 4231 are pressed against the outer side end wall 3a of the connecting sleeve 31, the sealing property between the annular pressing part 423 and the outer side end wall 3a of the connecting sleeve 31 can be further improved.

[0095] Preferably, the sealing ribs 4231 are gradually outwardly inclined from the root, and by the above arrangement, the lower wall surface of the sealing ribs 4231 can more easily and closely fit on the outer wall surface of the outer side end wall 3a of the connecting sleeve 31 under the action of external force, so as to form a better sealing effect.

[0096] As shown in Figure 1 , Figure 3 In this embodiment, the liquid guiding plug-in unit 2 further comprises a liquid guiding part 22 fixedly arranged on the plug-in groove 51, one end of the plug-in part 21 is fixedly connected to the side wall of the liquid guiding part 22 on the side of the liquid storage box 1, the liquid guiding part 22 and the plug-in part 21 are in communication with each other, the liquid guiding part 22 is vertically arranged, the plug-in part 21 is horizontally arranged, and the extension direction of the plug-in part 21 is consistent with the extension direction of the first flow channel.

[0097] Specifically, the additive feeding module is provided with a plug-in groove 51 for pulling and installing the liquid storage box 1, and the liquid guiding part 22 is an extraction pipeline fixedly arranged in the plug-in groove 51. One end of the extraction pipeline is connected to the inlet of the feeding unit of the additive feeding module, and the other end is connected to the inside of the liquid storage box 1 through the plug-in part 21 and the box body connecting unit 3, so that the feeding unit can automatically feed the additive in the liquid storage box 1 into the washing tub.

[0098] In one embodiment, the extraction pipeline is a vertical pipeline fixedly arranged in the plug-in groove 51, and the inlet of the extraction pipeline is arranged on the side wall of the extraction pipeline close to the liquid storage box 1.

[0099] In another embodiment, the liquid guiding part 22 further comprises a control valve arranged on the extraction pipeline, which controls the communication between the liquid guiding plug-in unit 2 and the feeding unit. In this embodiment, the feeding unit is a suction pump or a Venturi tube.

[0100] In the embodiment, the liquid guide part 22 can be fixed on the bottom wall or the side wall of the insertion slot 51 in a detachable manner, or can be integrally arranged on the bottom wall or the side wall of the insertion slot 51. The liquid guide part 22 and the insertion part 21 can be integrally injection molded, or the liquid guide part 22 and the insertion part 21 can be fixed and connected integrally through an assembly structure.

[0101] One end of the elastic member 41 is fixed on the liquid guide part 22 and / or the insertion part 21, and the other end is compressed and abuts on the sealing member 42. In one scheme, a limiting boss is arranged at the root position of the insertion part 21 close to the liquid guide part 22, and the elastic member 41 is compressed and arranged between the limiting boss and the sealing member 42.

[0102] Alternatively, in another scheme, the elastic member 41 is compressed and arranged between the liquid guide part 22 and the sealing member 42, and preferably, the elastic member 41 is a first spring compressed and arranged between the liquid guide part 22 and the sealing member 42.

[0103] Further, the first spring is sleeved outside the top rod and is compressed and arranged between the liquid guide part 22 and the annular pressing part 423, the annular pressing part 423 is provided with an annular clamping groove 4232 on the outer side face close to the spring side, and one end of the first spring is limitingly arranged in the annular clamping groove 4232. In the embodiment, by limitingly arranging the end of the first spring close to the sealing member 42 in the annular clamping groove 4232, the stability of the cooperation between the elastic member 41 and the sealing member 42 is enhanced.

[0104] In the embodiment, an additive feeding module 5 is also provided, which has at least one insertion slot 51, the insertion slot 51 is provided with a liquid storage box 1, the liquid storage box 1 has a closed chamber for storing additives; the additive feeding module 5 further comprises a feeding unit, and the feeding unit is in communication with the feeding port of the liquid storage box 1 through the above-mentioned liquid guide structure.

[0105] In the above scheme, the feeding unit comprises a suction pump or a Venturi tube, the suction pump or the Venturi tube is connected with the liquid guide part 22 of the liquid guide insertion unit 2, and the additives in the liquid storage box 1 are sucked into the water supply waterway through the liquid guide structure for feeding.

[0106] In the embodiment, a washing machine is also provided, and the automatic feeding of additives is realized through the above-mentioned additive feeding module.

[0107] In one scheme, the additive dispensing module 5 described in the embodiment can be installed in the control disc seat of the washing machine, the water supply channel is integrally arranged inside the bottom wall of the body of the additive dispensing module 5, and the dispensing unit arranged in the body of the additive dispensing module 5 dispenses the additive into the water supply channel. By integrally arranging the water supply channel on the bottom wall of the dispensing module, the water channel is arranged below the dispensing unit, so that the dispensing water channel can directly flow out from below the additive dispensing module 5 and be dispensed into the washing tub, thereby realizing rational arrangement of the dispensing module and improving the water pressure of the dispensing module.

[0108] Alternatively, in another scheme, the additive dispensing module 5 described in the embodiment can also be installed on the water inlet channel between the water inlet valve and the water inlet joint of the washing machine, and the dispensing unit sucks the additive in the liquid storage box 1 to the water inlet channel through the above-mentioned liquid guiding structure and dispenses it into the washing tub along with the water inlet of the washing machine. The additive dispensing module 5 is arranged outside the washing machine, and the washing machine and the dispensing module are two independent modules that do not interfere with each other. The additive dispensing module 5 is arranged externally and does not occupy the internal space of the washing machine, thereby improving the space utilization rate of the washing machine.

[0109] In the embodiment, the additive dispensing module 5 is further provided with a locking unit and a push-and-pop unlocking structure. After the liquid storage box 1 is installed into the plug-in slot 51, the liquid storage box 1 is locked in the plug-in slot 51 by the locking unit. When the user needs to replace or clean the liquid storage box 1, the liquid storage box 1 is pulled out by unlocking the push-and-pop unlocking unit.

[0110] In the embodiment, the liquid storage box 1 adopts the above-mentioned liquid guiding structure. When the user replaces the liquid storage box 1, the elastic member 41 can also apply a push-and-pop force to the liquid storage box 1 to assist the pop-out of the liquid storage box 1. When the push-and-pop unlocking is performed, the user only needs to provide a small initial pushing force to easily and smoothly pull out the liquid storage box 1, thereby improving the user experience.

[0111] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application, and equivalent embodiments with equivalent changes are equivalent. Any simple modification, equivalent change and modification of the above-mentioned embodiments based on the technical essence of the present application are still within the scope of the present application.

Claims

1. A liquid guide structure of a liquid storage cartridge, characterized by comprising: The utility model relates to a liquid guide structure of liquid storage box, including: Box body connecting unit, install at the delivery port of liquid storage box, normal state under the closed delivery port; Liquid guide plug-in unit, set up in the plug-in groove for liquid storage box installation, after liquid storage box installs in the plug-in groove, the liquid guide plug-in unit and box body connecting unit plug-in cooperation open delivery port; Elastic sealing unit, including elastic member and sealing piece, the sealing piece is tightly blocked under the action of elastic member the cooperation gap of liquid guide plug-in unit and box body connecting unit; The liquid guide plug-in unit includes the plug-in part, the box body connecting unit includes the connecting sleeve pipe of one end is located the outside of liquid storage box and cooperation with the plug-in part, the other end stretches into in the liquid storage box, the connecting sleeve pipe has the flow guide channel in, and the flow guide channel is provided with the valve body that is opened the delivery port under the stop end of plug-in part, normal state under the closed delivery port, the plug-in part is the top rod of the outside diameter less than the inner diameter of connecting sleeve pipe; The sealing piece is tightly blocked under the action of elastic member the cooperation gap between the outer peripheral wall of plug-in part and flow guide channel; The front end peripheral wall of top rod is equipped with sealing groove, the sealing piece includes extruding and limiting annular sealing part in sealing groove, and the annular pressing part that is tightly abutted on the end wall of connecting sleeve pipe outside under the action of elastic member, and the annular blocking part that is connected between annular sealing part and annular pressing part; The annular blocking part includes the first blocking wall that is the barrel shape with the outer periphery of top rod is adapted, one end of first blocking wall is fixedly connected with annular sealing part, and the other end extends to the root direction of top rod after a certain length and then reversely bends and extends to form second blocking wall; The annular pressing part has the ring-shaped pressing body, and second blocking wall is connected on the pressing body, and the extension length of first blocking wall is greater than the distance between the end wall of connecting sleeve pipe and annular sealing part.

2. The liquid guide structure of the liquid storage box according to claim 1, wherein: The elastic member is compressed between the outside end wall of the liquid guide plug-in unit and the box body connecting unit, the plug-in part extends into the flow guide channel, and the front end has a stop end that cooperates with the valve body to open the delivery port; One end of the sealing piece is sealingly connected to the peripheral wall of the plug-in part near the stop end, and the other end extends away from the stop end and is pressed against the outside end wall of the box body connecting unit under the action of the elastic member to form a seal.

3. The liquid guide structure of the liquid storage box according to claim 1, wherein: The annular sealing part, the annular blocking part, and the annular pressing part are all made of rubber material.

4. The liquid guide structure of the liquid storage box according to claim 3, wherein: The annular blocking part is a curved stretching wall formed by at least one bending between the annular sealing part and the annular pressing part, and the curved stretching wall blocks the cooperation gap between the peripheral wall of the top rod and the connecting sleeve pipe.

5. The liquid guide structure of the liquid storage box according to claim 3 or 4, wherein: The inside end surface of the pressing body is tightly abutted against the outside end wall of the connecting sleeve pipe, the second blocking wall is connected to the inside peripheral wall surface of the pressing body near the inside end surface, and the second blocking wall is gradually outwardly inclined from the end of the first blocking wall.

6. The liquid guide structure of the liquid storage box according to claim 5, characterized in that: the length of the second blocking wall in the horizontal direction is greater than the thickness of the pressing body.

7. The liquid guide structure of the liquid storage box according to claim 3 or 4, characterized in that: the annular pressing part comprises an annular pressing body and one or more sealing ribs connected to the inner side end surface of the pressing body, and the sealing ribs are tightly pressed against the outer side end wall of the connecting sleeve under the action of the elastic member.

8. The liquid guide structure of the liquid storage box according to claim 7, characterized in that: the sealing ribs are gradually inclined outward from the root.

9. The liquid guide structure of the liquid storage box according to claim 3 or 4, characterized in that: the liquid guide plug-in unit further comprises a liquid guide part fixedly arranged on the plug-in slot, the plug-in part is fixedly connected to the side wall of the liquid guide part, one end of the elastic member is fixed to the liquid guide part and / or the plug-in part, and the other end is compressed and abuts against the sealing member.

10. The liquid guide structure of the liquid storage box according to claim 9, characterized in that: the elastic member is a spring compressed between the liquid guide part and the sealing member.

11. The liquid guide structure of the liquid storage box according to claim 10, characterized in that: the spring is sleeved outside the top rod and is compressed between the liquid guide part and the annular pressing part, an annular clamping groove is arranged on the outer side end surface close to the side of the spring of the annular pressing part, and the spring is limitingly installed in the annular clamping groove.

12. An additive dispensing module, comprising at least one plug-in slot, a liquid storage box is installed in the plug-in slot, and a closed chamber for storing additives is arranged in the liquid storage box, characterized in that: a dispensing unit is further included, and the dispensing unit is in communication with the dispensing opening of the liquid storage box through the liquid guide structure according to any one of claims 1-11.

13. A laundry washing machine characterized in that: The washing machine realizes automatic dispensing of additives through the additive dispensing module according to claim 12.

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