阅读说明：本技术 洗涤剂添加泵系统及其方法 (Detergent adding pump system and method thereof ) 是由 严峻 李春风 包英葛 斯敦·赫伯特 于 2020-12-31 设计创作，主要内容包括：本发明公开了一种洗涤剂添加泵系统及其方法,用于将容器中的洗涤剂自动输送至洗涤剂盒中。洗涤剂添加泵系统包括洗涤剂添加泵装置,该洗涤剂添加泵装置包括输送管道以及洗涤剂泵送机构,输送管道连接在容器与洗涤剂盒之间,所述的洗涤剂泵送机构为洗涤剂蠕动输送机构；洗涤剂蠕动输送机构包括动力机构以及动力传动机构；输送管道中,至少有一段管体为蠕动管；动力传动机构,能够将动力机构提供的动力,转换为推动蠕动管蠕动的推力,以将输送管道中的洗涤剂输送至洗涤机的洗涤剂盒中。由此可知,本发明采用易更换的蠕动软管输送系统,延长添加整个添加泵系统的寿命。(The invention discloses a detergent adding pump system and a detergent adding pump method, which are used for automatically conveying detergent in a container to a detergent box. The detergent adding pump system comprises a detergent adding pump device, the detergent adding pump device comprises a conveying pipeline and a detergent pumping mechanism, the conveying pipeline is connected between the container and the detergent box, and the detergent pumping mechanism is a detergent peristaltic conveying mechanism; the detergent peristaltic conveying mechanism comprises a power mechanism and a power transmission mechanism; in the conveying pipeline, at least one section of pipe body is a creeping pipe; and the power transmission mechanism can convert the power provided by the power mechanism into a thrust force for pushing the peristaltic tube to creep so as to convey the detergent in the conveying pipeline into a detergent box of the washing machine. Therefore, the invention adopts the peristaltic hose conveying system which is easy to replace, and prolongs the service life of the whole adding pump system.)

1. A detergent adds the pump system, is used for conveying the detergent in the container to the detergent box automatically, including adding the pump device of the detergent, the detergent adds the pump device and includes conveying pipeline and detergent pumping mechanism, the conveying pipeline connects between container and detergent box, characterized by that, the said detergent pumping mechanism is the peristaltic delivery mechanism of the detergent; the detergent peristaltic conveying mechanism comprises a power mechanism and a power transmission mechanism;

at least one section of pipe body in the conveying pipeline is a creeping pipe;

the power transmission mechanism can convert the power provided by the power mechanism into a pushing force for pushing the peristaltic tube to creep so as to convey the detergent in the conveying pipeline into a detergent box of the washing machine.

2. The detergent adding pump system according to claim 1, wherein the peristaltic tube is arranged in a circular arc shape, two ends of the peristaltic tube are respectively clamped and fixed by a first clamping component and a second clamping component, and an outer convex arc surface of the peristaltic tube can be supported and limited by the mounting shell;

the power transmission mechanism is arranged on the inner side of the peristaltic tube and comprises a connecting frame and an extrusion mechanism;

the extrusion mechanism comprises more than 1 roller, and each roller is distributed along the same circumference and positioned on the inner side of the peristaltic tube; each roller is positioned and supported on the connecting frame through a roller shaft, and the rolling surface of each roller is respectively abutted against the concave cambered surface of the peristaltic tube;

the power output end of the power mechanism is connected with the connecting frame;

the connecting frame is driven by power provided by the power mechanism to rotate, so that the rollers are driven to rotate to extrude the concave cambered surface of the peristaltic tube, and the fluid in the peristaltic tube is promoted to wriggle and output.

3. The detergent adding pump system according to claim 2, wherein the number of the rollers is 2, and the rollers are respectively a first roller and a second roller, the first roller is sleeved on the outer side of the first roller shaft and is supported on the connecting frame through the first roller shaft, and the second roller is sleeved on the outer side of the second roller shaft and is supported on the connecting frame through the second roller shaft;

the power mechanism is a driving motor, and the power output end of the driving motor is connected with the connecting frame through a driving shaft;

the axial directions of the first roller shaft and the second roller shaft are parallel to the axial direction of the driving shaft, and a connecting line between the axle center of the first roller shaft and the axle center of the driving shaft is vertical to a connecting line between the axle center of the second roller shaft and the axle center of the driving shaft.

4. The detergent adding pump system as claimed in claim 2, wherein said peristaltic tube comprises two, first and second peristaltic tubes; the first peristaltic tube and the second peristaltic tube are symmetrically distributed, and the power transmission mechanism is positioned between the first peristaltic tube and the second peristaltic tube;

the power transmission mechanism is provided with an extrusion mechanism for each creeping pipe.

5. The detergent adding pump system as claimed in claim 4, wherein the power mechanism is a forward/reverse rotation driving motor, and a power output end of the forward/reverse rotation driving motor is linked with the connecting frame through a driving shaft;

when the forward and reverse rotation driving motor rotates forward, the first creeping pipe can creep under the extrusion thrust exerted by the self extrusion mechanism, and the detergent in the first creeping pipe is extruded and output to the detergent box; when the forward and reverse rotation driving motor rotates reversely, the second creeping pipe can creep under the extrusion thrust exerted by the self extrusion mechanism, and the detergent in the second creeping pipe is extruded and output to the detergent box.

6. The detergent adding pump system according to claim 4, wherein the front ends of the two peristaltic tubes are connected with the container sequentially through a one-to-two connector and a front end delivery pipe or respectively connected with the same container through a front end delivery pipe or respectively connected with the corresponding container through a front end delivery pipe, the rear ends of the two peristaltic tubes are connected with the liquid outlet tube through a two-in-one connector, and a check valve is arranged in each peristaltic tube in the two-in-one connector.

7. The detergent adding pump system according to claim 4, wherein the concave cambered surface of the first peristaltic tube is respectively in contact with the first roller and the second roller; the concave cambered surface of the second peristaltic tube is respectively contacted with the third roller and the fourth roller;

the first roller, the second roller, the third roller and the fourth roller are respectively sleeved on the peripheries of the first roller shaft, the second roller shaft, the third roller shaft and the fourth roller shaft in a one-to-one correspondence manner;

the first roller shaft, the second roller shaft, the third roller shaft and the fourth roller shaft are circumferentially distributed on the connecting frame in a cross shape, an included angle formed by the first roller shaft, the second roller shaft and the center of the connecting frame is 90 degrees, and an included angle formed by the third roller shaft, the fourth roller shaft and the center of the connecting frame is 90 degrees.

8. The detergent adding pump system as claimed in claim 2, wherein said mounting housing includes three sections, a first housing section, a second housing section and a third housing section; wherein:

the first shell split body and the second shell split body can be spliced into a whole in a snap fit mode, and a cavity formed by splicing the first shell split body and the second shell split body is provided with a space for installing a power mechanism;

the second shell split body and the third shell split body can be spliced into a whole in a snap fit mode, and a cavity formed by splicing the second shell split body and the third shell split body is provided with a space for mounting the creep pipe and the power transmission mechanism.

9. The detergent adding pump system as claimed in claim 8, wherein the first casing body comprises a first groove wall and a top cover sealing an upper end of the first groove wall;

the second shell body is divided into a plurality of parts, and the second shell body comprises a first sealing plate, a second groove wall arranged in the middle of the first sealing plate and a third groove wall arranged along the edge of the first sealing plate; an annular groove wall is arranged at the middle position of the back surface of the first sealing plate;

the third shell body is divided into a second sealing plate, a fourth groove wall arranged on the front surface of the second sealing plate and positioned in the middle of the second sealing plate, and a fifth groove wall arranged on the front surface of the second sealing plate and positioned along the edge of the second sealing plate;

the first groove wall and the second groove wall are spliced into a whole through a first clamping structure; the third groove wall and the fifth groove wall are spliced into a whole through a second clamping structure, and at the moment, the annular groove wall can be spliced with the fourth groove wall;

the power transmission mechanism is placed in a space formed by splicing the annular groove wall and the fourth groove wall, the peristaltic tube is placed in an annular gap between the power transmission mechanism and the fourth groove wall, the front end and the rear end of the peristaltic tube can penetrate through the fourth groove wall, meanwhile, a first buckle component at the front end of the peristaltic tube is spliced with a first bracket arranged at a corresponding position on the second sealing plate, so that the front end of the peristaltic tube is clamped and fixed through the first buckle component and the first bracket, a second buckle component at the rear end of the peristaltic tube is spliced with a second bracket arranged at a corresponding position on the second sealing plate, and the rear end of the peristaltic tube is clamped and fixed through the second buckle component and the second bracket;

power unit installs on first shrouding, and power unit's power take off end passes through behind the center of first shrouding, second shrouding in proper order through the drive shaft, is connected with the link linkage.

10. The detergent adding pump system according to claim 9, wherein the number of the peristaltic tubes is two, and the two peristaltic tubes are a first peristaltic tube and a second peristaltic tube which are symmetrically arranged, the front end of the first peristaltic tube is connected with the first container through a first front end delivery tube, the front end of the second peristaltic tube is connected with the second container through a second front end delivery tube, and the rear ends of the first peristaltic tube and the second peristaltic tube are both connected with the liquid outlet tube through a two-in-one connector;

the first front end conveying pipe, the first container, the second front end conveying pipe and the second container are all arranged on the back of the second sealing plate; and meanwhile, a connecting pipe is arranged on the fifth groove wall, and an outlet of the liquid outlet pipe is connected with the detergent box through the connecting pipe.

11. The detergent adding pump system as claimed in claim 10, wherein said first container is fixed by a first container fixing portion provided on a rear surface of the second cover plate; the second container is fixed by a second container fixing part arranged on the back surface of the second sealing plate.

12. A detergent adding method, which is realized based on the detergent adding pump system as claimed in any one of claims 1 to 10, and is characterized in that the detergent in the first container and the detergent in the second container are delivered to the detergent box through the squeezing of the delivery pipes corresponding to the first container and the second container by controlling the forward and reverse rotation of the forward and reverse rotation driving motor, specifically:

when the forward and reverse rotation driving motor rotates forward, the first peristaltic tube and the second peristaltic tube can creep under the extrusion thrust exerted by the extrusion mechanism of the first peristaltic tube, so that the one-way valves at the front end and the rear end of the first peristaltic tube are in a communicated state, the one-way valves at the front end and the rear end of the second peristaltic tube are in a cut-off state, only the detergent in the first container can pass through the first peristaltic tube, and is extruded and output to the detergent box under the extrusion thrust of the extrusion mechanism of the second peristaltic tube, and the detergent in the second container is in a cut-off state; when the forward and reverse rotation driving motor rotates forward, the first creeping tube and the second creeping tube can creep under the extrusion thrust exerted by the self extrusion mechanism, so that the one-way valves at the front end and the rear end of the second creeping tube are in a communicated state, the one-way valves at the front end and the rear end of the first creeping tube are in a cut-off state, only the detergent in the second container can pass through the second creeping tube, the detergent box is extruded and output under the extrusion thrust of the self extrusion mechanism, and the detergent in the first container is in a cut-off state.

Technical Field

The invention relates to a detergent adding pump system and a detergent adding pump method.

Background

The adding system of the laundry detergent of the washing machine in the market at present conventionally adopts a piston pump and a gear pump system, and the laundry detergent is conveyed into a washing system of the washing machine from a laundry detergent box through the reciprocating action of a piston or the mechanical extrusion action of gears. The laundry detergent is sticky, and the liquid remained in the system for a long time is aged and solidified, so that the adding system is blocked, and the flow rate is reduced and the precision is poor; or the transmission mechanism friction increases, producing noise.

Disclosure of Invention

The invention provides a detergent adding pump system aiming at the defects of the prior art, and the detergent adding pump device of the detergent adding pump system is constructed based on the principle of a peristaltic pump. Therefore, the cleaning performance, the precision and the silencing effect are better. Meanwhile, the peristaltic hose conveying system which is easy to replace is adopted, and the service life of the whole adding pump system is prolonged.

In order to achieve the technical purpose, the invention adopts the following technical scheme:

a detergent adds the pump system, is used for conveying the detergent in the container to the detergent box automatically, including adding the pump device of the detergent, the detergent adds the pump device to include conveying pipe and detergent pumping mechanism, the conveying pipe is connected between container and detergent box, the said detergent pumping mechanism is the peristaltic delivery mechanism of the detergent; the detergent peristaltic conveying mechanism comprises a power mechanism and a power transmission mechanism;

at least one section of pipe body in the conveying pipeline is a creeping pipe;

the power transmission mechanism can convert the power provided by the power mechanism into a pushing force for pushing the peristaltic tube to creep so as to convey the detergent in the conveying pipeline into a detergent box of the washing machine.

Preferably, the peristaltic tube is arranged in a circular arc shape, two ends of the peristaltic tube are clamped and fixed through the first clamping component and the second clamping component respectively, and meanwhile, an outer convex arc surface of the peristaltic tube can be supported and limited through the mounting shell;

the power transmission mechanism is arranged on the inner side of the peristaltic tube and comprises a connecting frame and an extrusion mechanism;

the extrusion mechanism comprises more than 1 roller, and each roller is distributed along the same circumference and positioned on the inner side of the peristaltic tube; each roller is positioned and supported on the connecting frame through a roller shaft, and the rolling surface of each roller is respectively abutted against the concave cambered surface of the peristaltic tube;

the power output end of the power mechanism is connected with the connecting frame;

the connecting frame is driven by power provided by the power mechanism to rotate, so that the rollers are driven to rotate to extrude the concave cambered surface of the peristaltic tube, and the fluid in the peristaltic tube is promoted to wriggle and output.

Preferably, the number of the rollers is 2, and the rollers are respectively a first roller and a second roller, the first roller is sleeved on the outer side of the first roller shaft and is supported on the connecting frame through the first roller shaft, and the second roller is sleeved on the outer side of the second roller shaft and is supported on the connecting frame through the second roller shaft;

the power mechanism is a driving motor, and the power output end of the driving motor is connected with the connecting frame through a driving shaft;

the axial directions of the first roller shaft and the second roller shaft are parallel to the axial direction of the driving shaft, and a connecting line between the axle center of the first roller shaft and the axle center of the driving shaft is vertical to a connecting line between the axle center of the second roller shaft and the axle center of the driving shaft.

Preferably, the peristaltic tubes comprise two peristaltic tubes, namely a first peristaltic tube and a second peristaltic tube; the first peristaltic tube and the second peristaltic tube are symmetrically distributed, and the power transmission mechanism is positioned between the first peristaltic tube and the second peristaltic tube;

the power transmission mechanism is provided with an extrusion mechanism for each creeping pipe.

Preferably, the power mechanism is a forward and reverse rotation driving motor, and a power output end of the forward and reverse rotation driving motor is in linkage connection with the connecting frame through a driving shaft;

when the forward and reverse rotation driving motor rotates forward, the first creeping pipe can creep under the extrusion thrust exerted by the self extrusion mechanism, and the detergent in the first creeping pipe is extruded and output to the detergent box; when the forward and reverse rotation driving motor rotates reversely, the second creeping pipe can creep under the extrusion thrust exerted by the self extrusion mechanism, and the detergent in the second creeping pipe is extruded and output to the detergent box.

Preferably, the front ends of the two peristaltic tubes are connected with the container sequentially through a one-to-two connector and a front end conveying pipe or are respectively connected with the same container through a front end conveying pipe or are respectively connected with the corresponding containers through a front end conveying pipe, the rear ends of the two peristaltic tubes are connected with the liquid outlet pipe through a two-in-one connector, and each peristaltic tube in the two-in-one connector is provided with a one-way valve.

Preferably, the concave cambered surface of the first peristaltic tube is respectively contacted with the first roller and the second roller; the concave cambered surface of the second peristaltic tube is respectively contacted with the third roller and the fourth roller;

the first roller, the second roller, the third roller and the fourth roller are respectively sleeved on the peripheries of the first roller shaft, the second roller shaft, the third roller shaft and the fourth roller shaft in a one-to-one correspondence manner;

the first roller shaft, the second roller shaft, the third roller shaft and the fourth roller shaft are circumferentially distributed on the connecting frame in a cross shape, an included angle formed by the first roller shaft, the second roller shaft and the center of the connecting frame is 90 degrees, and an included angle formed by the third roller shaft, the fourth roller shaft and the center of the connecting frame is 90 degrees.

Preferably, the mounting shell comprises three split bodies, namely a first shell split body, a second shell split body and a third shell split body in sequence; wherein:

the first shell split body and the second shell split body can be spliced into a whole in a snap fit mode, and a cavity formed by splicing the first shell split body and the second shell split body is provided with a space for installing a power mechanism;

the second shell split body and the third shell split body can be spliced into a whole in a snap fit mode, and a cavity formed by splicing the second shell split body and the third shell split body is provided with a space for mounting the creep pipe and the power transmission mechanism.

Preferably, the first shell split body comprises a first groove wall and a top cover for sealing the upper end of the first groove wall;

the second shell body is divided into a plurality of parts, and the second shell body comprises a first sealing plate, a second groove wall arranged in the middle of the first sealing plate and a third groove wall arranged along the edge of the first sealing plate; an annular groove wall is arranged at the middle position of the back surface of the first sealing plate;

the third shell body is divided into a second sealing plate, a fourth groove wall arranged on the front surface of the second sealing plate and positioned in the middle of the second sealing plate, and a fifth groove wall arranged on the front surface of the second sealing plate and positioned along the edge of the second sealing plate;

the first groove wall and the second groove wall are spliced into a whole through a first clamping structure; the third groove wall and the fifth groove wall are spliced into a whole through a second clamping structure, and at the moment, the annular groove wall can be spliced with the fourth groove wall;

the power transmission mechanism is placed in a space formed by splicing the annular groove wall and the fourth groove wall, the peristaltic tube is placed in an annular gap between the power transmission mechanism and the fourth groove wall, the front end and the rear end of the peristaltic tube can penetrate through the fourth groove wall, meanwhile, a first buckle component at the front end of the peristaltic tube is spliced with a first bracket arranged at a corresponding position on the second sealing plate, so that the front end of the peristaltic tube is clamped and fixed through the first buckle component and the first bracket, a second buckle component at the rear end of the peristaltic tube is spliced with a second bracket arranged at a corresponding position on the second sealing plate, and the rear end of the peristaltic tube is clamped and fixed through the second buckle component and the second bracket;

power unit installs on first shrouding, and power unit's power take off end passes through behind the center of first shrouding, second shrouding in proper order through the drive shaft, is connected with the link linkage.

The front end of the first peristaltic tube is connected with the first container through a first front end conveying pipe, the front end of the second peristaltic tube is connected with the second container through a second front end conveying pipe, and the rear ends of the first peristaltic tube and the second peristaltic tube are connected with the liquid outlet pipe through two-in-one connectors;

the first front end conveying pipe, the first container, the second front end conveying pipe and the second container are all arranged on the back of the second sealing plate; and meanwhile, a connecting pipe is arranged on the fifth groove wall, and an outlet of the liquid outlet pipe is connected with the detergent box through the connecting pipe.

The first container is fixed by a first container fixing part arranged on the back surface of the second sealing plate; the second container is fixed by a second container fixing part arranged on the back surface of the second sealing plate.

Another technical object of the present invention is to provide a detergent adding method, which is implemented based on the above detergent adding pump system, and controls the forward and reverse rotation driving motors to rotate in forward and reverse directions, so that the detergents in the first and second containers are squeezed and conveyed into the detergent box through the corresponding conveying pipes, specifically:

when the forward and reverse rotation driving motor rotates forward, the first peristaltic tube and the second peristaltic tube can creep under the extrusion thrust exerted by the extrusion mechanism of the first peristaltic tube, so that the one-way valves at the front end and the rear end of the first peristaltic tube are in a communicated state, the one-way valves at the front end and the rear end of the second peristaltic tube are in a cut-off state, only the detergent in the first container can pass through the first peristaltic tube, and is extruded and output to the detergent box under the extrusion thrust of the extrusion mechanism of the second peristaltic tube, and the detergent in the second container is in a cut-off state; when the forward and reverse rotation driving motor rotates forward, the first creeping tube and the second creeping tube can creep under the extrusion thrust exerted by the self extrusion mechanism, so that the one-way valves at the front end and the rear end of the second creeping tube are in a communicated state, the one-way valves at the front end and the rear end of the first creeping tube are in a cut-off state, only the detergent in the second container can pass through the second creeping tube, the detergent box is extruded and output under the extrusion thrust of the self extrusion mechanism, and the detergent in the first container is in a cut-off state.

According to the technical scheme, compared with the prior art, the method has the following beneficial effects:

1. the peristaltic hose conveying system is easy to replace, and the service life of the whole adding pump system is prolonged;

2. the independent conveying pipeline is used, the laundry detergent is not contacted with other accessories of the pump, and the system is kept clean;

3. two different laundry detergents/softeners are added into a cleaning system of the washing machine by a driving system by utilizing a forward and reverse rotating motor, so that energy is saved;

4. the hose is extruded through the rollers to transmit liquid, mechanical structures such as gears and pistons are omitted, and noise cannot be generated in the system.

5. The laundry detergent is extruded by the hose with the fixed diameter and conveyed, the flow is accurate, and the laundry detergent cannot be changed due to system abrasion.

6. And regularly performing backwashing on the system by using machine clean water to clean the residual laundry detergent.

Drawings

FIG. 1 is a schematic perspective view of a detergent adding pump system according to the present invention;

FIG. 2 is a schematic perspective view of the detergent addition pump system of the present invention in another orientation;

FIG. 3 is an exploded view of the detergent addition pump system of the present invention;

in the figure: 1-a first housing split; 2-the second housing split; 3-a third shell split body; 4-detergent addition pump means; 5-driving a motor; 6-capacitance;

FIG. 4 is a schematic structural view of the first housing split of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the second housing split of FIG. 3 according to the present invention;

FIG. 6 is a schematic view of the second housing split of FIG. 3 in another orientation according to the present invention;

FIG. 7 is a schematic view showing the construction of a detergent addition pump device (excluding a driving motor) according to claim 3 of the present invention;

FIG. 8 is a schematic view showing the construction of a detergent addition pump device (excluding a driving motor) in claim 3 of the present invention in another direction;

FIG. 9 is a schematic structural view of the third housing split body of FIG. 3 according to the present invention;

FIG. 10 is a schematic view of the third housing split of FIG. 3 in another orientation according to the present invention;

in fig. 1 to 10: 11-a top cover; 12-wire hooking; 13-a first slot wall; 14-a first snap-fit portion; 15-first incision;

21-a first closing plate; 22-a second slot wall; 221-a first gap; 222-a second latch; 23-a third slot wall; 231-a second gap; 232-third snap-fit portion; 233-second incision; 234-third gap; 235-a link top cover; 236-first drive shaft aperture; 237-a first reinforcing rib;

411-a first container; 412-a second container; 421-a first delivery pipe; 422-a second delivery pipe; 431-a first peristaltic tube; 432-a second peristaltic tube; 441-a first snap member; 442-a second snap member; 451-a connecting frame; 452 — a second drive shaft aperture; 453-a drive shaft; 454-a roller; 46-two-in-one connector; 47-a liquid outlet pipe;

31-a fourth slot wall; 311-bracket; 312-positioning the shaft; 32-fifth slot wall; 321-a fourth buckling part; 322-a bracket; 323-pipe through holes; 324-a connecting tube; 325-a first container holding portion; 326-second container holding portion; 327-first pipe strap; 328-a second pipe strap; 329-cover trough; 33-positioning columns.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The relative arrangement of the components and steps, expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may also be oriented in other different ways (rotated 90 degrees or at other orientations).

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, for the purpose of convenience of description, the vertical direction, the transverse direction and the longitudinal direction are perpendicular to each other, and the two directions in the vertical direction are up and down directions respectively.

As shown in fig. 1 and fig. 2, the detergent adding pump system of the present invention mainly comprises two parts, wherein one part is a main structure of the present invention: a detergent adding pump device 4, which can automatically deliver the detergent contained in the container to the detergent box according to the preset metering quantity, and the other part is an auxiliary structure of the invention: the mounting case, which can mount, position and support the components of the detergent adding pump device 4 according to the preset arrangement, is an essential part of the industrialization of the detergent adding pump device 4 of the present invention.

Specifically, as shown in fig. 3, the detergent addition pump device 4 of the present invention is constructed based on the principle of a peristaltic pump, specifically, comprises a container and a detergent peristaltic delivery mechanism, wherein: the container is filled with detergent, the peristaltic detergent conveying mechanism comprises a power mechanism and a conveying pipeline connected between the container and a detergent box, at least one section of pipe body (for convenience of description, the section of pipe body is defined as a peristaltic pipe) in the conveying pipeline can creep under the condition of providing power by the power mechanism, so that the detergent in the conveying pipeline is conveyed to the detergent box, and the power mechanism adopted by the peristaltic conveying mechanism is a driving motor 6. Therefore, the creeping tube is connected with the power output end of the power mechanism by a specific power transmission structure, so that the power provided by the power mechanism can be converted into the thrust capable of pushing the creeping tube to creep. Therefore, the creep pipe is arranged in a circular arc shape, and the two ends of the creep pipe are respectively clamped and fixed by the first clamping component 441 and the second clamping component 442, meanwhile, the present invention provides a power transmission structure, comprising a connecting frame 451 and an extruding mechanism, the extrusion mechanism comprises more than 1 roller 454, the connecting frame 451 is provided with a second motor shaft hole which can ensure that a motor shaft of the driving motor 5 passes through to be linked and connected with the motor shaft of the driving motor 5, each roller 454 is axially positioned and supported on the connecting frame 451 through one roller 454, and the rollers 454 are distributed along the circumferential direction outside the second motor shaft hole, namely, the connecting line of the axle center of each roller 454 relative to the axle center of the second motor shaft hole is equal, and in addition, each roller 454 is positioned on the inner side of the peristaltic tube and is respectively abutted against the concave cambered surface of the peristaltic tube; the outer cambered surface of the peristaltic tube can be supported and positioned by the mounting shell, and the inner cambered surface of the peristaltic tube can be deformed under the extrusion of each roller 454. In the drawing, the number of the rollers 454 is 2, which are respectively a first roller and a second roller, the first roller is sleeved on the outer side of the first roller shaft and is supported on the connecting frame 451 through the first roller shaft, the second roller is sleeved on the outer side of the second roller shaft and is supported on the connecting frame 451 through the second roller shaft, and a connecting line between the shaft center of the first roller shaft and the shaft center of the second motor shaft hole is perpendicular to a connecting line between the shaft center of the second roller shaft and the shaft center of the second motor shaft hole. The first roller and the second roller are located on the inner side of the peristaltic tube and are abutted to the concave cambered surface of the peristaltic tube respectively, the convex cambered surface of the peristaltic tube can be supported and positioned through the mounting shell, and the concave cambered surface of the peristaltic tube can deform under the extrusion of the first roller and the second roller, so that the detergent in the conveying pipeline can be extruded and conveyed. In addition, in order to facilitate the arrangement of the conveying pipeline, the conveying pipeline is divided into three sections, the three sections sequentially comprise a front-end conveying pipe, a creeping pipe and a liquid outlet pipe 47 according to the flow direction of fluid, one end of the front-end conveying pipe is connected with the container, the other end of the front-end conveying pipe is connected with the liquid outlet pipe 47 through the creeping pipe, and a one-way valve is arranged on a pipe body between the creeping pipe and the liquid outlet pipe 47. Thus, the detergent in the container can flow into the detergent box along the conveying pipe in one direction by the pressing and conveying of the peristaltic pipe under the driving of the power provided by the driving motor 5.

In order to enable the delivery of different types of detergents (such as cleaning agents and softeners), the peristaltic tubes are arranged into two, meanwhile, each peristaltic tube is internally provided with a pressing mechanism, the front ends of the two peristaltic tubes can be connected with a container sequentially through a one-to-two connector and a front end delivery tube, can be connected with the same container respectively through a front end delivery tube, and can be connected with the corresponding container respectively through a front end delivery tube. The rear ends of the two peristaltic tubes are connected with a liquid outlet pipe 47 through a two-in-one connector 46 in sequence. The two peristaltic tubes are symmetrically arranged relative to the center line of the second motor shaft hole, meanwhile, the front ends of the two peristaltic tubes are clamped and positioned through the first clamping component 441, the rear ends of the two peristaltic tubes are clamped and positioned through the second clamping component 442, the two-in-one connector 46 is located at the rear end of the second clamping component 442, and a one-way valve is arranged in each peristaltic tube in the two-in-one connector 46. The squeezing mechanisms arranged on the inner side of each peristaltic tube are symmetrically arranged relative to the central line of the second motor shaft hole. More specifically, in the present invention, the two peristaltic tubes are a first peristaltic tube 431 and a second peristaltic tube 432, a front end of the first peristaltic tube 431 is connected to the first container 411 through a first front end delivery tube, a front end of the second peristaltic tube 432 is connected to the second container 412 through a second front end delivery tube, and rear ends of the first peristaltic tube 431 and the second peristaltic tube 432 are both connected to the drain tube 47 through the two-in-one connector 46. The connecting frame 451 is crossed, 4 roller shafts are circumferentially distributed, namely a first roller shaft, a second roller shaft, a third roller shaft and a fourth roller shaft, the peripheries of the first roller shaft, the second roller shaft, the third roller shaft and the fourth roller shaft are respectively sleeved with the first roller, the second roller, the third roller and the fourth roller in a one-to-one correspondence mode, an included angle formed by the first roller shaft, the second roller shaft and the center of the connecting frame 451 is 90 degrees, and an included angle formed by the third roller shaft, the fourth roller shaft and the center of the connecting frame 451 is 90 degrees; the first roller and the second roller are in contact with the concave cambered surface of the first peristaltic tube 431, and the third roller and the fourth roller are in contact with the concave cambered surface of the second peristaltic tube 432.

The mounting shell comprises three split bodies: the first shell split body 1, the second shell split body 2 and the third shell split body 3 are arranged from top to bottom in sequence; wherein:

the first shell body split body 1 is a shell with a closed upper end and an opened lower end as shown in fig. 1-4, and comprises a first groove wall 13 and a top cover 11 for sealing the upper end of the first groove wall 13; the first groove wall 13 is provided with a plurality of first buckling parts 14 on the wall surface close to the open end, and meanwhile, the first groove wall 13 is provided with a plurality of first notches 15 penetrating through the end surface of the open end at the position close to the open end, so that when the open end of the first shell split body 1 is sleeved on the periphery of the second shell split body 2, the first slot wall has adjusting allowance, and the installation is convenient. In addition, the outer wall surface of the first groove wall 13 is provided with a wire hook 12.

The second casing body 2, as shown in fig. 1-3 and 5-6, includes a first sealing plate 21, a second groove wall 22 disposed at a middle position of the first sealing plate 21 and extending toward an upper side of the first sealing plate 21, a third groove wall 23 disposed along an edge of the first sealing plate 21 and extending toward a lower side of the first sealing plate 21, and a connecting frame top cover 235 disposed at a middle position of the first sealing plate 21 and extending toward a lower side of the first sealing plate 21, wherein: the second groove wall 22 is arranged in a circular ring shape, the size of the second groove wall 22 is matched with that of the first groove wall 13, the first groove wall 13 is provided with a first notch 221, so that an outer boss on the side wall of the first groove wall 13 can be directly placed on the surface of the first closing plate 21 through the first notch 221, the outer wall of the second groove wall 22 is provided with second clamping parts 222 corresponding to the positions of the first clamping parts 14 one by one, and the first clamping parts 14 and the second clamping parts 222 at the corresponding positions form a first clamping structure in a convex-concave matching mode. The third groove wall 23 is rectangular, and the third groove wall 23 is provided with second notches 231 at each corner position, and a plurality of second notches 233 are arranged along the groove wall, so that adjustment allowance is provided when the third groove wall 23 is sleeved with the third shell body split 3. Meanwhile, the third groove wall 23 is provided with a third notch 234 and a plurality of second locking portions 222. First shrouding 21 sets up first motor shaft hole along middle part position department, is provided with annular groove wall simultaneously at the back of first shrouding 21, the periphery in first motor shaft hole, and the circular face that the annular groove wall enclose to connect the formation is the link top cap 235 promptly, and the face of the first shrouding 21 in the annular groove wall outside is provided with a plurality of first strengthening ribs 237. The driving motor 5 is installed on the motor supporting part, and the power output end of the driving motor 5 passes through the first motor shaft hole and then is matched with the second motor shaft hole on the connecting frame 451, so that the linkage between the driving motor and the connecting frame is realized.

The third casing body 3, as shown in fig. 1-3 and 9-10, includes a second sealing plate, a fourth groove wall 31 disposed on the front surface of the second sealing plate and located at the middle position of the second sealing plate, and a fifth groove wall 32 disposed on the front surface of the second sealing plate and located along the edge of the first sealing plate 21; the fourth groove wall 31 is annularly arranged, and the size of the fourth groove wall is consistent with that of the annular groove wall, so that the lower end of the annular groove wall can be directly overlapped at the upper end of the fourth groove wall 31, and the space formed by the fourth groove wall 31 and the fifth groove wall 32 in a surrounding manner can meet the requirement of the installation space of the connecting frame 451. The front surface of the second sealing plate is provided with a positioning shaft 312 at the middle position, and a shaft hole arranged at the lower end of the connecting frame 451 can be sleeved on the periphery of the positioning shaft 312 to realize the positioning of the lower end of the connecting frame 451. The fourth groove wall 31 is provided with a bracket 311 at a position corresponding to the front end and the rear end of each peristaltic tube, so that the two peristaltic tubes can be arranged through the fourth groove wall 31, and at the same time, a bracket 322 is arranged on the second sealing plate outside each bracket 311, so that the first buckling member 441 and the second buckling member 442 can be butted with the respective corresponding bracket 322, and the clamping and positioning of the front end and the rear end of each peristaltic tube can be realized. On the outer side of each bracket 322, the second sealing plate is provided with a pipeline passing hole 232, so that the front ends of the first peristaltic pipe 431 and the second peristaltic pipe 432 respectively pass through the second sealing plate through the pipeline passing hole 232 at the corresponding position and then are connected with the front end delivery pipe arranged on the back of the second sealing plate, and the rear ends of the first peristaltic pipe 432 and the second peristaltic pipe 432 respectively pass through the pipeline passing hole 232 at the corresponding position and then pass through the second sealing plate and are communicated with the liquid outlet pipe 47 arranged on the back of the second sealing plate. A first container fixing portion 325 is provided on the rear surface of the second sealing plate to fix the first container 411; a second container fixing part 326 is provided to fix the second container 412, and a first pipe clamp is provided to clamp the second front end delivery pipe; set up the second pipe clamp to centre gripping drain pipe 47, the second shrouding sets up reference column 33 all around simultaneously to support the whole installation shell of assembling formation, set up the lid groove, in order to with two unification connectors 46 sealing-in. The outer wall of the fifth groove wall 32 is provided with a plurality of fourth fastening parts 321 to form a plurality of second fastening structures in one-to-one matching with the third fastening parts 232, so that the third groove wall 23 can be fixed by the second fastening structures when being sleeved outside the fifth groove wall 32. In addition, the fifth groove walls 32 are provided with an outwardly convex arc structure at the corner position to match with the second notch 231. The fifth slot wall 32 is provided with a connecting pipe 324 at a position corresponding to the third notch 234, one end of the connecting pipe 324 can be in butt joint communication with the liquid outlet pipe 47, and the other end can be in communication with the detergent box.

Based on the above detergent adding pump system, the technical principle of the present invention can be seen as follows:

the forward and reverse rotation of the driving motor 5 is controlled, so that the detergent in the first container and the detergent in the second container are extruded and conveyed into the detergent box through the corresponding conveying pipelines, specifically:

when the forward and reverse rotation driving motor 5 rotates forward, the first creeping tube 432 and the second creeping tube 432 can creep under the extrusion thrust exerted by the self extrusion mechanism, so that the check valves at the front end and the rear end of the first creeping tube 431 are in a communicated state, the check valves at the front end and the rear end of the second creeping tube 432 are in a cut-off state, only the detergent in the first container 411 can pass through the first creeping tube 431, and is extruded and output to the detergent box under the extrusion thrust of the self extrusion mechanism, and the detergent in the second container 412 is in a cut-off state; when the forward and reverse rotation driving motor 5 rotates forward, the first and second peristaltic tubes 432 can also creep under the extrusion thrust exerted by the self extrusion mechanism, so that the check valves at the front and rear ends of the second peristaltic tube 432 are in a communicated state, while the check valves at the front and rear ends of the first peristaltic tube 431 are in a cut-off state, at this time, only the detergent in the second container 412 can be extruded and output to the detergent box through the second peristaltic tube 432 under the extrusion thrust of the self extrusion mechanism, while the detergent in the first container 411 is in a cut-off state.