CN215328869U

CN215328869U - Valve, pump and dispensing system for supplying materials

Info

Publication number: CN215328869U
Application number: CN202120542044.2U
Authority: CN
Inventors: 殷立威; 王小强
Original assignee: Jiangsu Leili Motor Co Ltd
Current assignee: Jiangsu Leili Motor Co Ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-12-28
Anticipated expiration: 2031-03-16

Abstract

The utility model provides a valve, a pump and a feeding system for supplying materials, wherein the valve for supplying materials comprises a discharge guide part and a sealing part, the sealing part is sleeved on a liquid outlet pipe and is in sealing connection with the outer wall of the liquid outlet pipe, and a sealing ring is arranged on any one of the peripheral surface or the end surface of the sealing part. The utility model provides a valve, a pump and a feeding system for supplying materials, wherein after the pump and a feeding outer box of the feeding system are installed in place and sufficiently fastened, the valve arranged on a liquid outlet pipe of the pump can realize three seals, so that water flow in a water channel is prevented from flowing backwards.

Description

Valve, pump and dispensing system for supplying materials

Technical Field

The utility model relates to a valve, a pump and a dispensing system for supplying materials, and belongs to the technical field of automatic liquid adding systems of washing machines.

Background

At present, in most automatic liquid adding systems of washing machines, a liquid outlet of a feeding pump for feeding detergent is communicated with a water inlet pipeline of the washing machine. If the pipeline design of the automatic liquid adding system of the washing machine is not reasonable, or due to specific reasons (such as switching water way throwing, water flow pressurization foaming and the like), the phenomenon of pressure trapping or pressurization exists at the joint of the throwing pump and the pipeline.

Under the condition, a liquid outlet of the pump needs to bear higher water pressure from a pipeline, in order to prevent water in a water inlet pipeline from entering the liquid storage box after flowing backwards through a liquid outlet of a feeding pump, a feeding pump in the prior art is provided with a one-way sealing system in a pump cavity, the water in the water inlet pipeline directly impacts the one-way sealing system arranged in the pump cavity after flowing backwards through the liquid outlet of the feeding pump, if the one-way sealing system arranged in the pump cavity does not bear the water pressure, the conduction of the liquid inlet and the liquid outlet of the pump can be caused, water flow is caused to flow backwards into the detergent liquid storage box, and the risk of polluting the detergent liquid storage box after the water inlet flows backwards still exists in the one-way sealing system arranged in the pump cavity.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and provides a valve, a pump and a throwing system for supplying materials.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the valve for supplying materials comprises a discharging guide part and a sealing part, wherein the sealing part is sleeved on a liquid outlet pipe and is in sealing connection with the outer wall of the liquid outlet pipe, and a sealing ring is arranged on any one of the outer peripheral surface or the end surface of the sealing part.

Furthermore, the peripheral face of sealing portion sets up one at least second sealing washer, the terminal surface of sealing portion is provided with one at least first sealing washer.

Furthermore, the upper part of the discharge guide part is a flexible flat valve nozzle structure, the lower part of the discharge guide part is a cylindrical pipe orifice structure, and the valve nozzle structure is communicated with the pipe orifice structure through a flat cone-shaped transition structure.

Further, the first sealing ring is of an arc-shaped protruding structure.

Further, the second sealing ring is of a lip edge structure, and three sealing rings are arranged on the second sealing ring.

Furthermore, the inner peripheral surface of the sealing part is provided with a convex limiting structure for installation and positioning.

A pump characterised in that it comprises a discharge pipe and a valve for feeding material.

Further, the periphery of drain pipe is provided with annular mounting groove, annular mounting groove and the limit structure cooperation joint of sealing part inner peripheral surface.

A delivery system, characterized by: it is including putting in outer box and pump, put in and be provided with the outer box hole with the drain pipe matched with of pump on the outer box.

Further, the inner hole of the outer box comprises an inner end surface and an inner peripheral surface, the inner end surface is in sealing connection with the first sealing ring of the sealing part, and the inner peripheral surface is in sealing connection with the second sealing ring of the sealing part.

Further, the external diameter of the second sealing ring of the sealing part is D1, the external diameter of the bottom of the second sealing ring of the sealing part is D2, the aperture of the outer box inner hole on the throwing outer box is D3, and then:

D1＞D3＞D2。

by adopting the technical scheme, the utility model has the following beneficial effects:

1. the utility model forms three seals for the liquid outlet pipe of the pump, and solves the problem that the water channel high-pressure water is prevented from flowing backwards only by the one-way conduction structure in the pump cavity in the prior art.

2. The utility model adds a protective structure on the basis of the original pump, prolongs the service life of the throwing pump, improves the stability of the product by double protection, and eliminates potential safety hazards.

3. The utility model optimizes the structure that the pump and the throwing outer box are also required to be connected in a sealing way through the sealing ring in the prior art, increases the pressure-resistant function, does not add new parts, does not cause obvious cost change, and greatly improves the stability of the system.

Drawings

FIG. 1 is a schematic view of a valve for feeding materials according to the present invention;

FIG. 2 is a perspective view of a valve for feeding material in accordance with the present invention;

FIG. 3 is a schematic view of the connection of a valve for feeding material to the outlet pipe of the pump according to the present invention;

FIG. 4 is a schematic view of the internal structure of the inner hole of the outer box of the present invention;

FIG. 5 is a schematic view showing the connection of a valve, a pump and an input casing for supplying materials according to the present invention;

FIG. 6 is a perspective view of a delivery system of the present invention;

fig. 7 is an exploded view of fig. 6.

Detailed Description

In order that the present invention may be more readily and clearly understood, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

Example one

As shown in fig. 1 to 4, a valve for supplying materials includes a discharging guide portion 1 and a sealing portion 2, the sealing portion 2 is sleeved on a liquid outlet pipe 31 of a pump 3 and is connected with an outer wall of the liquid outlet pipe 31 in a sealing manner, a sealing ring is disposed on either an outer peripheral surface or an end surface of the sealing portion 2, in this embodiment, at least one second sealing ring 22 is disposed on an outer peripheral surface of the sealing portion 2, and at least one first sealing ring 21 is disposed on an end surface of the sealing portion 2.

As shown in fig. 1, the upper portion of the discharge guide portion 1 is a flexible flat valve nozzle structure 11, the lower portion of the discharge guide portion 1 is a cylindrical nozzle structure 12, and the valve nozzle structure 11 is communicated with the nozzle structure 12 through a flat cone-shaped transition structure 13. The discharging guide part 1 extends into a shower water channel of an inner cavity of an upper cover of an outer box body of the throwing system and directly bears the pressure of water flow in the water channel communicated with an inner hole 41 of the outer box body of the throwing system.

As shown in fig. 1 and 3, the first sealing ring 21 is an arc-shaped protrusion structure, which has elasticity, and after the valve is assembled into the outer box inner hole 41 on the dropping outer box 4 of the dropping system, the elastic arc-shaped protrusion structure is compressed and tightly matched with the inner end surface 411 of the outer box inner hole 41 to form a first seal.

As shown in fig. 1 and 3, the second seal ring 22 is of a lip structure, three second seal rings 22 are provided on the outer peripheral surface of the valve sealing portion 2, and the second seal rings 22 form second seals with the inner peripheral surface 412 of the outer casing inner hole 41 of the dispensing system. The outer diameter of the second seal ring 22 of the sealing portion 2 is D1, the outer diameter of the bottom of the second seal ring 22 of the sealing portion 2 is D2, and the aperture of the outer box inner hole 41 of the throw-in outer box 4 is D3, there are: d1 > D3 > D2.

As shown in fig. 1 and 3, the inner peripheral surface of the sealing part 2 is provided with a protruding limiting structure 23 for installation and positioning. This limit structure 23 cooperatees with annular mounting groove 311 on the drain pipe 31 of pump 3, realizes that sealing portion 2 fixes firmly on the drain pipe 31 of

pump

3, and 2 inner peripheral surfaces of sealing portion of valve and the outer wall of the drain pipe 31 of pump 3 form the third and seal.

The three seals prevent water flow in the water channel from overflowing, and the discharge guide part 1 extending into the water channel is tightly closed under the action of water pressure of the water channel, so that the water flow in the water channel is prevented from flowing backwards into the pump 3 and then being filled into the liquid storage box to pollute the washing liquid; when pump 3 puts in solution, stop into water in the water course, the 1 backpressure of ejection of compact guide part of valve disappears, and pump 3 can easily open ejection of compact guide part 1 through the pressure of pump 3 self to realize the function of pump sending solution.

Example two

Referring to fig. 3 to 7, a pump 3 includes a liquid outlet pipe 31 and a valve for supplying a material in the first embodiment. The periphery of drain pipe 31 of pump 3 is provided with annular mounting groove 311, and annular mounting groove 311 cooperates the joint with limit structure 23 of sealing part 2 inner peripheral surface.

EXAMPLE III

As shown in fig. 3 to 7, a dispensing system includes a dispensing outer box 4 and a pump in the second embodiment, wherein an outer box inner hole 41 matched with the liquid outlet pipe 31 of the pump 3 is disposed on the dispensing outer box 4.

As shown in fig. 3, the outer box inner hole 41 includes an inner end surface 411 and an inner peripheral surface 412, the inner end surface 411 is connected to the first seal ring 21 of the sealing part 2 in a sealing manner, and the inner peripheral surface 412 is connected to the second seal ring 22 of the sealing part 2 in a sealing manner.

The technical problems, technical solutions and advantages of the present invention have been described in detail with reference to the above embodiments, and it should be understood that the above embodiments are merely exemplary and not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A valve for feeding material, characterized by: it includes ejection of compact guide part (1) and sealing (2), sealing (2) suit on drain pipe (31) and with the outer wall sealing connection of drain pipe (31), the outer peripheral face of sealing (2) sets up one at least second sealing washer (22), the terminal surface of sealing (2) is provided with one at least first sealing washer (21).

2. A valve for feeding material according to claim 1, characterised in that: the upper portion of ejection of compact guide part (1) is flexible platykurtic valve mouth structure (11), the lower part of ejection of compact guide part (1) is cylindrical mouth of pipe structure (12), through flat pyramidal transition structure (13) intercommunication between valve mouth structure (11) and mouth of pipe structure (12).

3. A valve for feeding material according to claim 1, characterised in that: the first sealing ring (21) is of an arc-shaped protruding structure.

4. A valve for feeding material according to claim 1, characterised in that: the second sealing ring (22) is of a lip edge structure, and three sealing rings are arranged on the second sealing ring (22).

5. A valve for feeding material according to claim 1, characterised in that: the inner peripheral surface of the sealing part (2) is provided with a convex limiting structure (23) for mounting and positioning.

6. A pump, characterized by: comprising a liquid outlet pipe (31) and a valve for feeding material according to any of claims 1-5.

7. A pump according to claim 6, wherein: the periphery of drain pipe (31) is provided with annular mounting groove (311), annular mounting groove (311) and limit structure (23) cooperation joint of sealing portion (2) inner peripheral surface.

8. A delivery system, characterized by: it comprises an outer casting box (4) and a pump according to any one of claims 6 to 7, wherein an outer casting inner hole (41) matched with the liquid outlet pipe (31) of the pump (3) is arranged on the outer casting box (4).

9. A delivery system according to claim 8, wherein: outer box hole (41) include interior terminal surface (411), interior terminal surface (411) and the first sealing washer (21) sealing connection of sealing part (2).

10. A delivery system according to claim 8, wherein: the inner hole (41) of the outer box further comprises an inner circumferential surface (412), and the inner circumferential surface (412) is connected with the second sealing ring (22) of the sealing part (2) in a sealing mode.

11. A delivery system according to claim 8, wherein: the external diameter of second sealing washer (22) of sealing member (2) is D1, the external diameter of the bottom of second sealing washer (22) of sealing member (2) is D2, the aperture of throwing in outer box hole (41) on outer box (4) is D3, then has:

D1＞D3＞D2。