Detergent feeding device
By designing the outlet and extraction port as hollow column structures with an outer diameter of less than 8mm, and utilizing the cooperation of rubber caps and interlocking limiting components, the problem of detergent residue is solved, achieving efficient extraction of detergent with minimal residue and improving the user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-03-24
AI Technical Summary
In existing washing machine detergent dispensing devices, the interlocking of the outlet and the suction port can easily cause detergent residue, affecting the user experience.
The outlet and suction port are designed as hollow cylindrical structures with an outer diameter of less than 8mm. A circular hole of less than 8mm is set in the center of the rubber cap. With the interference seal of the rubber cap, the sealing fit is achieved by using the interlocking limiting component and C-angle guide, which reduces friction and detergent residue.
It effectively reduces detergent residue, improves the user experience, and has a simple structure that is easy to operate.
Smart Images

Figure CN224031310U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of washing machine auxiliary parts, concretely relates to a washing agent feeding device, and the liquid outlet or the liquid pumping outlet with the rubber cap is the hollow column structure with the outer diameter less than 8mm. BACKGROUND
[0002] At present, the high-end washing machines on the market generally have the function of automatic detergent dispensing. One common way is to pour the detergent into the liquid storage box and then install it on the docking liquid suction port. The liquid storage box is provided with a round hole passage type liquid outlet, and the liquid suction port is a hollow cylindrical passage, and a sealing ring is arranged on the outer periphery of the cylindrical passage. The liquid outlet and the liquid suction port are inserted and matched, and when the detergent is drawn out, the round hole passage of the liquid outlet is full of detergent; when the detergent box is pulled out to refill the detergent, the residual detergent in the round hole passage of the liquid outlet flows out, causing waste and affecting the experience. For example, a detergent dispensing system disclosed in Chinese patent 202410906488.8, comprising: a detergent box for storing detergent; a peristaltic pump connected to the detergent box for pumping detergent; a first pipeline connected to the peristaltic pump for conveying detergent; a pipe joint, the first inlet end of the pipe joint is connected to the first pipeline; a second pipeline connected to a water source for conveying washing water; the second pipeline is connected to the second inlet end of the pipe joint; and a third pipeline connected to the outlet end of the pipe joint for conveying a mixture of detergent and washing water, the detergent box has a first containing cavity and a second containing cavity; the first containing cavity is used to contain the first type of detergent, and the second containing cavity is used to contain the second type of detergent; the peristaltic pump comprises a first peristaltic channel and a second peristaltic channel, the first peristaltic channel communicates with the first containing cavity and the first pipeline; the detergent dispensing system further comprises a fourth pipeline, the second peristaltic channel connects the second containing cavity and the fourth pipeline; the fourth pipeline connects one of the pipe joint and the first pipeline, the detergent dispensing system further comprises a foamer, the foamer is connected to the third pipeline; the foamer is provided with a foaming body, the foaming body is provided with a plurality of foaming fins, the foaming body has an extension direction; the foaming body has a plurality of cross sections, the normal direction of the cross section is the extension direction; each cross section is provided with a plurality of foaming fins arranged along the circumferential direction of the cross section, the foaming body has a plurality of foaming bodies arranged in sequence along the water flow direction, the liquid inlet direction of the first pipeline is arranged at an acute angle with the water flow direction, the detergent dispensing system further comprises a fifth pipeline and a nozzle; the nozzle is connected to the foamer through the fifth pipeline; the nozzle is configured to spray the mixture of detergent and washing water into the washing drum of the washing equipment in a predetermined direction, the end of the nozzle away from the fifth pipeline is arc-shaped, and a plurality of spray holes are arranged on the arc-shaped structure, the detergent box is provided with a floating ring and a detection structure; the detection structure is configured to generate a prompt signal when the floating ring enters the detection range of the detection structure, for prompting the user to put detergent into the detergent box.The patent 202421311362.8 discloses a detergent dispenser, comprising: a detergent supply assembly having a detergent passage and a first drain, the detergent passage being in communication with an external space of the detergent dispenser; a liquid outlet waterway having a water inlet end and a water outlet end; a first waterway and a second waterway for conveying fluid, the first waterway being in communication with a water source, the detergent passage, the first drain and the water inlet end of the liquid outlet waterway; the second waterway being in communication with the water source and the water inlet end of the liquid outlet waterway; the fluid in the first waterway converges with the fluid in the second waterway in the liquid outlet waterway, the fluid in the first waterway being a detergent mixed solution, the outlet pressure of the second waterway being greater than the outlet pressure of the first waterway, the first drain being higher than the water inlet end of the liquid outlet waterway in the direction of gravity, so that the detergent mixed solution in the first waterway converges with the fluid in the second waterway in the liquid outlet waterway under the action of gravity, the water outlet end of the second waterway is provided with a reduced section, so that the flow rate of the water outlet end of the second waterway is increased, the end of the reduced section forms the water outlet end of the second waterway; or, the end of the reduced section is also connected with an equal-diameter section and / or an expanded section, the equal-diameter section and / or the expanded section form the water outlet end of the second waterway, the equal-diameter section and the expanded section along the extension length of the second waterway are less than or equal to the extension length of the reduced section along the second waterway, the detergent dispenser further comprises a turbulent structure, the turbulent structure is arranged in the second waterway and is used for providing a circumferential velocity component to the fluid in the second waterway, the turbulent structure comprises one or more spiral blades, the spiral blades are used for guiding the spiral motion of the fluid, the outer edge of the spiral blade along the spiral direction is connected with the inner wall of the second waterway, the inner edge of the spiral blade along the spiral direction is arranged in a spaced manner with the inner wall of the second waterway, the reduced section is located downstream of the turbulent structure, the detergent supply assembly further has an overflow cavity and a second drain, the overflow cavity is used for containing the detergent mixed solution overflowing from the detergent passage, the second drain is used for discharging the detergent mixed solution in the overflow cavity, the detergent supply assembly comprises a detergent box and a distributor box arranged in the detergent box, the distributor box has a detergent dispensing cavity, the detergent box has a mixing cavity and an overflow cavity, the mixing cavity and the overflow cavity are located below the distributor box, the mixing cavity is used for containing the detergent mixed solution flowing through the detergent dispensing cavity, the first drain is arranged on the cavity wall of the mixing cavity, the overflow cavity is used for containing the detergent mixed solution overflowing from the mixing cavity, the detergent dispenser comprises a first pipeline and a second pipeline, one end of the first pipeline is introduced into a water source, the other end of the first pipeline is connected with the detergent supply assembly; one end of the second pipeline is connected with the first drain, the other end of the second pipeline is in communication with the liquid outlet waterway, the detergent dispenser comprises a third pipeline, one end of the third pipeline is introduced into a water source, the other end of the third pipeline is in communication with the liquid outlet waterway; the space in the third pipeline independently defines the second waterway, or the space in the third pipeline defines a part of the second waterway.The utility model discloses a quantitative detergent feeding device, including the liquid storage tank for storing and automatic quantitative feeding of disinfectant and the half gear for realizing power differentiation, the liquid storage tank is close to hand and holds the one end for handheld end and draws, and the liquid storage tank is inserted in the washing machine and carries out the liquid discharge one end for liquid outlet end, the rotatory installation of stirring shaft is arranged in the liquid storage tank, and the surface cooperation of stirring shaft is provided with the stirring blade for the intermittent stirring of disinfectant in the liquid storage tank, realizes the stirring of disinfectant of long -time storage before use, and the one end of stirring shaft is rotatably connected in the handheld end in -sides wall in the liquid storage tank, and the other end of stirring shaft penetrates the liquid outlet end in -sides wall in the liquid storage tank and is fixedly connected half gear for providing power source for the intermittent rotation of stirring shaft, and the surface of half gear is connected with servo motor, and servo motor is installed in the in -sides wall of liquid storage tank with bolt, and the intermittent meshing of half gear below is connected with adjusting gear, and adjusting gear is close to the one side of liquid storage tank handheld end and is rotatably inserted in the center position of outer barrel with transmission rod and is fixedly connected with inner barrel, and outer barrel is fixedly installed in the liquid outlet end in the liquid storage tank, and the inner barrel is independent with the outer barrel, and the outer barrel is fixed, and the inner barrel can rotate, and the cavity is formed in the outer barrel and is symmetrically provided with recess hole for discharging liquid on the upper and lower sides, and the through -hole for discharging disinfectant is formed in the position of the inner barrel and is matched with recess hole, and the outer barrel is hollow and is closed at both ends and is rotatably connected with the inner barrel in the outer barrel through damping bearing, and the outer barrel is rotatably connected in the inside of the liquid outlet end of liquid storage tank through damping bearing, and the surface handheld end of liquid storage tank is provided with telescopic pipe one end is inserted in the top of liquid storage tank and the other end is connected with feeding port, and the feeding port is used for adding disinfectant in the liquid storage tank, and the clamping plate for blocking the feeding port is rotatably installed in both ends of the feeding port, and the one end of clamping plate is rotatably connected with bearing in the feeding port, and the other end of clamping plate is rotatably connected in the in -sides wall of feeding port through limiting gear, and the top rod for limiting the rotating direction of limiting gear is connected with the outer abutment of limiting gear, and the one end of top rod is inserted in the gear slot of limiting gear, and the other end of top rod is rotatably connected in the in -sides wall of feeding port through torsion spring pivot, and the one end of torsion spring pivot penetrates the outside of feeding port and is fixedly connected with the lever, and the lever is fixedly and synchronously rotatable between torsion spring pivot and top rod, and torsion spring pivot only provides rotation and reset effect to the lever and top rod inserted in the in -sides wall position of feeding port, and the outer surface of top rod is connected with the in -sides wall of feeding port through reset spring for the automatic reset of top rod, and the sealing ring for providing sealing effect is sleeved between the in -sides of outer barrel and the outer -sides wall of inner barrel, and the capacity scale of transparent appearance for directly observing the capacity of disinfectant in the inside of liquid storage tank is arranged on both sides of liquid storage tank, and the sealing pad for providing sealing effect is arranged on the closed end of two sets of clamping plates. SUMMARY
[0003] The utility model discloses a purpose at overcoming the shortcoming of prior art, research and development design a detergent delivery device, realize the minimum of detergent extraction path, avoid the detergent residual.
[0004] In order to realize the above-mentioned purpose, the main body structure principle schematic diagram of the utility model relates to the detergent delivery device as Fig. 1-2 The outlet of the liquid storage box is provided with the liquid outlet, the liquid outlet is connected with the liquid suction port, and the periphery of the liquid outlet and the liquid suction port is provided with the plug-in limiting part, wherein the liquid outlet or the liquid suction port is provided with the rubber cap, and the center of the rubber cap is provided with the round hole.
[0005] In addition, the liquid storage box and the liquid suction port are arranged on the mounting seat of the washing machine.
[0006] The liquid outlet or the liquid suction port is a hollow column structure with an outer diameter less than 8mm, and the top end of the hollow column is provided with a C corner. Fig. 3
[0007] The rubber cap is in interference sealing cooperation with the liquid outlet or the liquid suction port.
[0008] The diameter of the round hole is less than 8mm, the inner diameter is less than or equal to the outer diameter of the hollow column, and the wall thickness of the lip edge of the round hole is less than the wall thickness of the periphery of the round hole. Fig. 4
[0009] Compared with the prior art, the utility model discloses that the liquid outlet or the liquid suction port is arranged as a hollow column structure with an outer diameter less than 8mm, the center of the rubber cap arranged on the liquid suction port or the liquid outlet has a round hole with a diameter less than 8mm, the channel through which the detergent flows is narrowed, the inner diameter of the center round hole of the rubber cap is less than or equal to the outer diameter of the hollow column, the sealing cooperation can be realized when plugging, the wall thickness of the lip edge of the center round hole of the rubber cap is less than the wall thickness of the periphery of the round hole, the elastic deformation of the lip edge of the rubber cap is facilitated when plugging, interference sealing can be realized, and great friction force cannot be generated, the plug-in limiting part arranged around the liquid suction port and the liquid outlet can avoid the inclination of plugging, and the top end of the hollow column is chamfered, which is convenient for guiding when plugging. ACCURACY OF DRAWINGS
[0010] Fig. 1 It is the main body structure principle schematic diagram of the utility model.
[0011] Fig. 2 It is the main body structure principle schematic diagram of the plug-in limiting part related to the utility model.
[0012] Fig. 3 The utility model relates to a main body structure principle schematic drawing of liquid outlet.
[0013] Fig. 4 The utility model relates to a main body structure principle schematic drawing of rubber cap. DETAILED DESCRIPTION
[0014] The utility model will be further explained in connection with the specific embodiment and the accompanying drawings.
[0015] Embodiment 1
[0016] The main body structure of the detergent feeding device of the embodiment includes liquid storage box 1, liquid outlet 2, liquid suction port 3, plug-in limiting piece 4, rubber cap 5, round hole 6 and C angle 7; the outlet of liquid storage box 1 is provided with liquid outlet 2, liquid outlet 2 is connected with plug-in to liquid suction port 3, and plug-in limiting piece 4 is arranged around liquid outlet 2 and liquid suction port 3; rubber cap 5 is arranged at liquid outlet 2 and is in interference sealing cooperation with liquid outlet 2; the center of rubber cap 5 is provided with round hole 6;
[0017] Liquid storage box 1 and liquid suction port 3 are arranged on the mounting seat 10 of the washing machine.
[0018] Liquid suction port 3 is a hollow column structure with an outer diameter less than 8mm, and the top end of the hollow column is provided with C angle 7; the diameter of round hole 6 is less than 8mm, and the inner diameter is less than or equal to the outer diameter of the hollow column; and the wall thickness of the lip edge 8 of round hole 6 is less than the wall thickness of the periphery of round hole 6.
[0019] Embodiment 2
[0020] The main body structure of the detergent feeding device of the embodiment includes liquid storage box 1, liquid outlet 2, liquid suction port 3, plug-in limiting piece 4, rubber cap 5, round hole 6 and C angle 7; the outlet of liquid storage box 1 is provided with liquid outlet 2, liquid outlet 2 is connected with plug-in to liquid suction port 3, and plug-in limiting piece 4 is arranged around liquid outlet 2 and liquid suction port 3; rubber cap 5 is arranged at liquid suction port 3 and is in interference sealing cooperation with liquid suction port 3; the center of rubber cap 5 is provided with round hole 6;
[0021] Liquid storage box 1 and liquid suction port 3 are arranged on the mounting seat 10 of the washing machine.
[0022] Liquid outlet 2 is a hollow column structure with an outer diameter less than 8mm, and the top end of the hollow column is provided with C angle 7; the diameter of round hole 6 is less than 8mm, and the inner diameter is less than or equal to the outer diameter of the hollow column; and the wall thickness of the lip edge 8 of round hole 6 is less than the wall thickness of the periphery of round hole 6.
Claims
1. A detergent dispensing device, the main body structure comprising a liquid storage box and a liquid outlet arranged on the liquid storage box, and a mounting seat and a liquid suction outlet arranged on the mounting seat, characterized in that, The liquid outlet or the liquid suction port is a hollow column structure with an outer diameter less than 8 mm, and a rubber cap is arranged at the liquid outlet or the liquid suction port, and the center of the rubber cap has a circular hole with a diameter less than 8 mm.
2. A detergent dispensing device according to claim 1, characterized in that The rubber cap is in interference sealing fit with the liquid suction port or the liquid outlet, and the inner diameter of the circular hole at the center of the rubber cap is less than or equal to the outer diameter of the hollow column.
3. A detergent dispensing device according to claim 2, wherein The lip wall thickness at the circular hole at the center of the rubber cap is less than the wall thickness around the circular hole.
4. A detergent dispensing device according to claim 3, wherein The top end of the hollow column is provided with a C corner.
5. A detergent dispensing device according to any one of claims 1-4, characterized in that A plug-in limiting part is arranged around the liquid suction port and the liquid outlet.
Citation Information
Patent Citations
Quantitative detergent feeding device
CN118345606A
Detergent putting system and laundry equipment
CN118773888A
Detergent putting device and clothes treatment equipment
CN222499742U