Cleaning liquid feeding pipeline assembly

Abstract

The utility model discloses a cleaning solution putting pipeline assembly which comprises a water inlet pipe connected with a water inlet end, a water outlet pipe connected with a water outlet end, and a high-pressure pipe and a low-pressure pipe which are connected between the water inlet pipe and the water outlet pipe, the high-pressure pipe is provided with a first valve and a first one-way valve, and the low-pressure pipe is provided with a second valve and a second one-way valve. The low-pressure pipe is connected with a feeding pipe, and the feeding pipe is provided with a third one-way valve, a feeding pump and a storage container used for storing cleaning liquid. According to the cleaning liquid feeding pipeline assembly, the high-pressure pipe and the low-pressure pipe are designed, the cleaning liquid feeding pipe is isolated from high-pressure tap water, the cleaning liquid feeding pump and the cleaning liquid storage container are connected with the low-pressure pipe, the tap water passes only when cleaning liquid is washed, and the pressure borne by the pipeline is far smaller than the pressure intensity of the tap water; the risk that a one-way valve in the throwing device breaks down due to connection of a high-pressure water path can be effectively reduced, tap water leakage is avoided, and cleaning liquid waste caused by the fact that tap water flows into a cleaning liquid storage container is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of cleaning liquid feeding pipeline assembly, belong to washing equipment technical field. BACKGROUND

[0002] With the progress of science and technology and the improvement of living standards, household appliances such as washing machines, dishwashers, etc. have widely realized the function of automatic cleaning liquid dispensing, greatly improving the convenience and quality of life of users. Among them, the external automatic cleaning liquid dispensing device has become a popular design. This device can be used with ordinary washing equipment without manual intervention to automatically and accurately dispense cleaning liquid, thereby simplifying the washing process and bringing great convenience to users.

[0003] In the existing external automatic cleaning liquid dispensing device, cleaning liquid is dispensed into the washing equipment through the dispensing pipeline. The design of the dispensing pipeline is usually connected to the water faucet at one end and to the washing equipment at the other end. The entire dispensing process is controlled by an electric control system. When the electric control system issues a command to dispense cleaning liquid, the dispensing pump starts working, drawing cleaning liquid from the storage container and injecting it into the dispensing pipeline. When tap water flows through the dispensing pipeline, it dilutes and flushes the cleaning liquid in the dispensing pipeline into the washing equipment, thereby achieving the function of automatic cleaning liquid dispensing.

[0004] Currently, the dispensing pipeline of the common automatic cleaning liquid dispensing device mostly adopts a single pipeline design, i.e. the cleaning liquid dispensing pipeline is directly connected to the municipal water supply pipeline. This design causes the dispensing pipeline to always bear the pressure of the municipal water supply system in the washing equipment. However, since the dispensing pump is connected to the dispensing pipeline, the precise valve body and other components inside the dispensing pump need to withstand the high pressure of the water supply pipeline for a long time. This long-term high pressure increases the wear and tear and risk of failure of the components. Even if a one-way valve is used as a separation device between the dispensing pump and tap water, once the one-way valve fails, the dispensing pump will be impacted by high-pressure tap water, which not only easily causes tap water leakage, but also may cause tap water to flow into the cleaning liquid storage container, thereby contaminating the cleaning liquid, causing loss of cleaning liquid and waste of water resources. SUMMARY

[0005] To solve the above problems, the utility model provides a cleaning liquid dispensing pipeline assembly that can avoid tap water leakage, prevent tap water from flowing into the cleaning liquid storage container and contaminating the cleaning liquid, thereby avoiding loss of cleaning liquid and waste of water resources.

[0006] The utility model provides a kind of cleaning liquid delivery pipeline assembly, including the water inlet pipe being connected with water inlet end, the water outlet pipe being connected with water outlet end, and high pressure pipe and low pressure pipe being connected between the water inlet pipe and the water outlet pipe, the high pressure pipe is equipped with first valve and first check valve, the low pressure pipe is equipped with second valve and second check valve, the low pressure pipe is connected with delivery pipe, the delivery pipe is equipped with third check valve, delivery pump and the storage container for storing cleaning liquid.

[0007] In an embodiment of the utility model, the water inlet end is connected to a tap water joint, and the water outlet end is connected to a washing device.

[0008] In an embodiment of the utility model, the water inlet pipe is equipped with a flow meter.

[0009] In an embodiment of the utility model, the first valve is a normally open solenoid valve.

[0010] In an embodiment of the utility model, the second valve is a normally closed solenoid valve.

[0011] In an embodiment of the utility model, the second check valve is installed on the low pressure pipe between the second valve and the delivery pipe.

[0012] In an embodiment of the utility model, the storage container is installed on the end of the delivery pipe, and the delivery pump is installed on the delivery pipe between the storage container and the third check valve.

[0013] In an embodiment of the utility model, a cleaning liquid detection probe is further included, and the cleaning liquid detection probe is installed on the low pressure pipe between the delivery pipe and the water outlet pipe.

[0014] In an embodiment of the utility model, the two ends of the high pressure pipe are respectively connected to the two ends of the low pressure pipe, and a fourth check valve is installed on the end of the low pressure pipe close to the high pressure pipe.

[0015] In an embodiment of the utility model, the first check valve is installed on the end of the high pressure pipe close to the low pressure pipe.

[0016] The utility model has the following beneficial effects:

[0017] The utility model provides a kind of cleaning liquid delivery pipeline assembly, by the high-pressure pipe and low-pressure pipe of design, cleaning liquid delivery pipe is isolated with high-pressure tap water, cleaning liquid delivery pump and cleaning liquid storage container are connected with low-pressure pipe, only when flushing cleaning liquid, tap water passes, the pressure that pipeline bears is far less than tap water pressure, the risk of one-way valve failure in delivery device caused by connecting high-pressure waterway can be effectively reduced, so that delivery pump is exempted from the impact of high-pressure tap water, the risk of delivery pump damage and failure caused by long-term high-pressure effect can be effectively reduced, avoid tap water leakage, avoid that tap water flows into cleaning liquid storage container and pollutes cleaning liquid, to avoid the loss of cleaning liquid and water resource waste. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides the structure schematic diagram of cleaning liquid delivery pipeline assembly.

[0019] In the drawing: 10, water inlet end;101, water inlet pipe;102, flowmeter;20, high-pressure pipe;201, first valve;202, first one-way valve;30, low-pressure pipe;301, second valve;302, second one-way valve;303, third one-way valve;304, delivery pump;305, storage container;306, cleaning liquid detection probe;307, fourth one-way valve;308, delivery pipe;40, water outlet end;401, water outlet pipe. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] In the utility model, unless another explicit provision and limitation, the terms "connected", "connected", "fixed" should be broad understanding, for example, can be fixed connection, can be detachable connection, or integral;Can be mechanical connection, can be electrical connection;Can be directly connected, can be indirectly connected through intermediate medium, can be the communication or mutual action relationship of two elements inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0022] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include first and second features direct contact, also can include first and second features not direct contact but contact through additional feature between them.Moreover, first feature is in second feature "on", "above" and "on" include first feature is in second feature directly above and obliquely above, or just indicate first feature horizontal height is higher than second feature.First feature is in second feature "under", "below" and "under" include first feature is in second feature directly below and obliquely below, or just indicate first feature horizontal height is less than second feature.

[0023] As Figure 1 The utility model provides a kind of cleaning liquid delivery pipeline assembly, including the water inlet pipe 101 being connected with water inlet end 10, the water outlet pipe 401 being connected with water outlet end 40, and high pressure pipe 20 and low pressure pipe 30 being connected between the water inlet pipe 101 and the water outlet pipe 401, the first valve 201 and the first check valve 202 are installed in the high pressure pipe 20, the second valve 301 and the second check valve 302 are installed in the low pressure pipe 30, the delivery pipe 308 is connected with the low pressure pipe 30, the third check valve 303, delivery pump 304 and the storage container 305 for storing cleaning liquid are installed in the delivery pipe 308.

[0024] In some embodiments, the water inlet end 10 connects tap joint, and the water outlet end 40 connects the water inlet valve of washing equipment.Tap water enters the water inlet end 10 from tap joint, and the water outlet of the cleaning liquid delivery pipeline assembly enters washing equipment through the water outlet pipe 401 and the water outlet end 40.

[0025] In some embodiments, the water inlet pipe 101 is installed with flowmeter 102.The water flow in the water inlet pipe 101 is detected by flowmeter 102.

[0026] In some embodiments, the first valve 201 is normally open solenoid valve, to control the water flow in high pressure pipe 20.

[0027] In some embodiments, the second valve 301 is normally closed solenoid valve, to control the water flow in low pressure pipe 30.

[0028] In some embodiments, the second check valve 302 is installed on the low pressure pipe 30 between the second valve 301 and the delivery pipe 308.The negative pressure generated in the low pressure pipe 30 due to the closing of the second valve 301 can be balanced by the second check valve 302, to avoid the cleaning liquid from being sucked out of the storage container 305.

[0029] In some embodiments, the storage container 305 is installed at the end of the delivery pipe 308, and the delivery pump 304 is installed on the delivery pipe 308 between the storage container 305 and the third one-way valve 303. The third one-way valve 303 allows the cleaning liquid drawn out of the storage container 305 by the delivery pump 304 to enter the low-pressure pipe 30, and prevents the tap water in the low-pressure pipe 30 from entering the storage container 305 in the delivery pipe 308.

[0030] Optionally, the delivery pump 304 can be a piston pump, a peristaltic pump, or a gear pump.

[0031] In some embodiments, a cleaning liquid detection probe 306 is further included, which is installed on the low-pressure pipe 30 between the delivery pipe 308 and the water outlet pipe 401. The cleaning liquid detection probe 306 detects whether the cleaning liquid in the low-pressure pipe 30 has been flushed clean by the tap water.

[0032] In some embodiments, the two ends of the high-pressure pipe 20 are respectively connected to the two ends of the low-pressure pipe 30, and the low-pressure pipe 30 is installed with a fourth one-way valve 307 near one end of the high-pressure pipe 20. The fourth one-way valve 307 can prevent the tap water in the high-pressure pipe 20 from flowing into the low-pressure pipe 30.

[0033] In some embodiments, the first one-way valve 202 is installed at the end of the high-pressure pipe 20 near the low-pressure pipe 30. The first one-way valve 202 can prevent the mixture of tap water and cleaning liquid in the low-pressure pipe 30 from flowing back into the high-pressure pipe 20.

[0034] The working process of the cleaning liquid delivery pipeline assembly provided by the utility model includes:

[0035] Step 1, the user selects whether to need automatic delivery of cleaning liquid;

[0036] Step 2, after the washing machine is started, the water inlet valve is opened to allow water to enter;

[0037] Step 3, the flow meter 101 detects the change in water flow;

[0038] Step 31, if the user selects the need for automatic dispensing of cleaning fluid in step 1, the dispensing device closes the first valve 201 in the high-pressure pipe 20, the second valve 301 in the low-pressure pipe 30 remains closed, and the dispensing pump 304 starts dispensing cleaning fluid; when the dispensing pump 304 runs for a set time, the second valve 301 is turned on, and the tap water enters the low-pressure pipe 30 to dilute the cleaning fluid and then flows into the washing machine through the water outlet pipe 401; when the cleaning fluid detection probe 306 detects that there is no cleaning fluid left, the second valve 301 is powered off to restore the normally closed state, and the first valve 201 is powered off to restore the normally open state; the automatic dispensing process of the cleaning fluid is completed;

[0039] Step 32, if the user does not select automatic dispensing of cleaning fluid in step 1, the dispensing device will not have any action; tap water enters the washing equipment through the first valve 201 in the high-pressure pipe 20 and the water outlet pipe 401;

[0040] Step 4, after the washing machine water inlet valve is closed, the high-pressure pipe 20 of the dispensing device bears the pressure of the municipal water supply pipeline; the low-pressure pipe 20 is protected by the normally closed second valve 301 and the fourth one-way valve 307.

[0041] When the second valve 301 is suddenly closed, negative pressure will be generated in the low-pressure pipe 30, and the second one-way valve 302 will be opened to balance the pressure in the low-pressure pipe 30, so that the cleaning fluid in the storage container 305 is not sucked into the low-pressure pipe 30.

[0042] In summary, the cleaning fluid dispensing pipeline assembly provided by the utility model separates the cleaning fluid dispensing pipe 308 from the high-pressure tap water by designing the high-pressure pipe 20 and the low-pressure pipe 30, and connects the cleaning fluid dispensing pump 304 and the cleaning fluid storage container 305 with the low-pressure pipe 30, so that only tap water flows through the pipeline when flushing cleaning fluid, the pressure borne by the pipeline is much smaller than the tap water pressure, the risk of failure of the one-way valve in the dispensing device caused by connection with the high-pressure water pipeline can be effectively reduced, the dispensing pump 304 is protected from the impact of high-pressure tap water, the risk of damage and failure of the dispensing pump 304 caused by long-term high-pressure action can be effectively reduced, tap water leakage is avoided, tap water flowing into the cleaning fluid storage container 305 to pollute the cleaning fluid is avoided, and the loss of cleaning fluid and the waste of water resources are avoided.

[0043] The principle and implementation mode of the present application are described by using specific embodiments, and the above embodiment is only used for helping to understand the method and core idea of the present application. It should be pointed out that, for ordinary skilled persons in the technical field, without departing from the principle of the present application, the present application can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A cleaning fluid dispensing pipeline assembly, characterized in that, The water inlet pipe (101) is connected with the water inlet end (10), the water outlet pipe (401) is connected with the water outlet end (40), the high-pressure pipe (20) and the low-pressure pipe (30) are connected between the water inlet pipe (101) and the water outlet pipe (401), the first valve (201) and the first one-way valve (202) are installed on the high-pressure pipe (20), the second valve (301) and the second one-way valve (302) are installed on the low-pressure pipe (30), the delivery pipe (308) is connected with the low-pressure pipe (30), the third one-way valve (303), the delivery pump (304) and the storage container (305) for storing cleaning liquid are installed on the delivery pipe (308).

2. A clean fluid delivery line assembly according to claim 1, wherein, The water inlet end (10) is connected with a water tap, and the water outlet end (40) is connected with a washing device.

3. A clean fluid delivery line assembly according to claim 1, wherein, The water inlet pipe (101) is provided with a flow meter (102).

4. The clean fluid dispensing line assembly of claim 1, wherein, The first valve (201) is a normally open electromagnetic valve.

5. A clean fluid delivery line assembly according to claim 1 wherein, The second valve (301) is a normally closed electromagnetic valve.

6. A clean fluid delivery line assembly according to claim 1 wherein, The second one-way valve (302) is installed on the low-pressure pipe (30) between the second valve (301) and the delivery pipe (308).

7. A clean fluid dispensing line assembly according to claim 1 wherein, The storage container (305) is installed at the end of the delivery pipe (308), and the delivery pump (304) is installed on the delivery pipe (308) between the storage container (305) and the third one-way valve (303).

8. A clean fluid dispensing line assembly according to claim 1 wherein, A cleaning liquid detection probe (306) is further provided, which is installed on the low-pressure pipe (30) between the delivery pipe (308) and the water outlet pipe (401).

9. A clean fluid dispensing line assembly according to claim 1 wherein, The two ends of the high-pressure pipe (20) are connected with the two ends of the low-pressure pipe (30), and the fourth one-way valve (307) is installed on the low-pressure pipe (30) close to one end of the high-pressure pipe (20).

10. A clean fluid delivery line assembly according to claim 9, wherein, The first one-way valve (202) is installed on one end of the high-pressure pipe (20) close to the low-pressure pipe (30).

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