CN222163671U - One-way valve and hot water kettle using the one-way valve - Google Patents

Abstract

A one-way valve and a thermos flask using the same. Mainly solves the problem of poor sealing effect of the water feeding structure of the conventional electric kettle. The water inlet pipe is characterized by further comprising an outlet (11), an inlet (21), a rod body (3) and a sealing plate (4), wherein the outlet is arranged on the water inlet pipe, the inlet is arranged on the water outlet pipe, the rod body (3) is arranged on the water outlet pipe or the water inlet pipe, the surface of the rod body is provided with a sealing surface (31) which is an arc surface or an inclined surface, the sealing plate (4) is provided with an elastic sealing ring (41), and the sealing ring comprises a first position in sealing fit with the sealing surface and a second position which is deformed away from the sealing surface under the impact of water pressure. The utility model provides a one-way valve and a thermos using the same, wherein a sealing mode of an inclined plane or an arc-shaped surface is adopted between a sealing diaphragm and a rod body, so that the sealing effect is better.

Description

One-way valve and kettle using same

Technical Field

The utility model relates to the field of electric kettles, in particular to a one-way valve and a kettle using the same.

Background

Along with the development of science and technology, the electric kettle has the main characteristics of being quick, safe, convenient and fully utilizing energy, and is widely applicable to drinking tea, making coffee, beverage and the like.

As shown in chinese patent publication No. CN110419948a, most of the sealing structures of conventional thermostats use cap-shaped sealing films, and the sealing manner between the bottom of the sealing film and the sealing surface is a horizontal plane, and such sealing structures are unreliable due to the reasons of processing precision and the like.

Disclosure of utility model

In order to overcome the defects of the background technology, the utility model provides a one-way valve and a hot water kettle using the same, and mainly solves the problem that the sealing effect of a water feeding structure of a conventional electric kettle is poor.

The technical proposal of the utility model is that,

A one-way valve comprises a water inlet pipe, a water outlet pipe and a valve body

The outlet is arranged on the water inlet pipe;

An inlet arranged on the water outlet pipe;

The rod body is arranged on the water outlet pipe or the water inlet pipe, and the surface of the rod body is provided with a sealing surface which is an arc surface or an inclined surface;

A sealing plate having an elastic sealing ring, said sealing ring comprising a first position in sealing engagement with said sealing surface and a second position deformed away from said sealing surface under the impact of water pressure.

The water inlet pipe comprises a first joint, a plurality of flat plates which are arranged along the radial direction are arranged on the inner wall of the first joint, an outlet is formed between every two adjacent flat plates, the tail end of each flat plate is connected with the circumferential outer wall of the rod body, and an opening communicated with the outlet is formed in the circumferential direction of the rod body.

The rod body is arranged at the center of the first joint.

The water inlet pipe is detachably connected with the water outlet pipe.

The water outlet pipe comprises a second joint, an inner pipe is arranged on the second joint, the first joint comprises an outer pipe, and part of the sealing sheet is arranged between the inner pipe and the outer pipe and is in sealing fit with the inner pipe and the outer pipe.

And the second connector is provided with a clamping ring, and the clamping ring is in clamping fit with the circumferential inner wall of the first connector.

The sealing surface is arranged on the circumferential outer wall of the rod body.

The hot water kettle comprises a shell, wherein the shell is provided with a main pipe, and the shell is also provided with the one-way valve.

The shell comprises a water storage cavity, the water storage cavity is internally provided with a water outlet pipe, and the water inlet pipe is communicated with the main pipe.

The utility model has the beneficial effects that the one-way valve and the kettle applying the one-way valve are provided, the sealing membrane and the rod body are sealed by adopting an inclined plane or arc-shaped surface, and the sealing effect is better.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present utility model.

FIG. 2 is a schematic cross-sectional view of one embodiment of the present utility model.

Fig. 3 is an exploded view of one embodiment of the present utility model.

Fig. 4 is a schematic perspective view of a water inlet pipe according to an embodiment of the utility model.

Fig. 5 is a perspective view of a thermos with a one-way valve.

Fig. 6 is a schematic cross-sectional view of a thermos with a one-way valve.

Detailed Description

The utility model will be further described with reference to the drawings, in which a one-way valve is shown, comprising a water inlet pipe 1 and a water outlet pipe 2, and further comprising an outlet 11 provided on said water inlet pipe, an inlet 21 provided on said water outlet pipe, a rod 3 provided on said water outlet pipe or said water inlet pipe, the surface of which has a sealing surface 31 which is an arcuate surface or an inclined surface, a sealing plate 4 having an elastic sealing ring 41 which comprises a first position in sealing engagement with said sealing surface and a second position which deforms away from said sealing surface under the influence of water pressure. Under the usual state, the sealing ring is tightly pressed on the sealing surface under the self elastic force and the gravity of water flow to form a seal, but when the water inflow pressure is high enough, the sealing ring is pushed open to enable the inlet to be communicated with the outlet to realize a passage, the sealing surface arranged on the outer wall of the rod body is an inclined surface or an arc-shaped surface, and the sealing surface is of a structure with a small upper part and a large lower part, so that the sealing ring can be better sealed after being sleeved, the inner wall of the sealing ring is in sealing fit with the sealing surface, and the sealing ring can also be an inclined surface or an arc-shaped surface, and has lower requirements on processing precision.

In this embodiment, as shown in the drawing, the water inlet pipe includes a first joint 12, the inner wall of the first joint is provided with a plurality of flat plates 121 arranged along the radial direction, an outlet is formed between two adjacent flat plates, the tail end of each flat plate is connected with the circumferential outer wall of the rod body, and an opening 30 communicated with the outlet is circumferentially arranged on the rod body. The first joint is internally provided with a bottom plate 120, the bottom plate is provided with the flat plate, the rod body is arranged in the center of the bottom plate, and water flows out from the circumferential opening of the rod body after entering the outlet and then is blocked by the sealing piece. Of course, this bottom plate may be the bottom inner wall of the first joint.

In this embodiment, as shown in the drawing, the rod body is disposed at the center of the first joint. The device is more suitable for installing a sealing structure.

In this embodiment, as shown in the figure, the water inlet pipe is detachably connected to the water outlet pipe. The assembly and disassembly are convenient, and the assembly and disassembly can be realized through screw installation or clamping connection and other modes.

In this embodiment, as shown in the drawing, the water outlet pipe includes a second joint 22, an inner pipe 221 is disposed on the second joint, the first joint includes an outer pipe 122, and a part of the sealing piece is disposed between and in sealing fit with the inner pipe and the outer pipe. The first connector and the second connector are mutually spliced, sealing is formed between the inner pipe and the outer pipe, the sealing effect is improved, the water outlet is arranged in the outer pipe, the inlet is arranged in the inner pipe, and the top of the sealing piece is pressed by the inner wall of the second connector.

In this embodiment, as shown in the figure, the second connector is provided with a snap ring 23, and the snap ring is in clamping fit with the circumferential inner wall of the first connector. The second connector is used for fixing by being provided with a clamping ring, and particularly a concave clamping groove can be formed in the first connector, so that the second connector is convenient to assemble and disassemble.

In this embodiment, as shown in the figure, the sealing surface is provided on the circumferential outer wall of the rod body. The top of the rod body can be hemispherical, and the sealing surface is a circumferential surface provided with the rod body.

In this embodiment, as shown, a water kettle comprises a housing 301 provided with a manifold 310, the housing also being provided with a one-way valve as described above. The manifold may be provided on the coupler as in the chinese patent CN110419948a, and in addition, the manifold may be provided integrally with the water inlet pipe.

In this embodiment, as shown, the housing includes a water storage chamber 32 in which the water outlet pipe is disposed, and the water inlet pipe communicates with the manifold. The water storage cavity is arranged in the water kettle and is used for storing water normally, a second water outlet is arranged in the water storage cavity, and the second water outlet is arranged on the water outlet pipe.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The embodiments described with reference to the drawings are exemplary and intended to be illustrative of the utility model and should not be construed as limiting the utility model. The examples should not be construed as limiting the utility model, but any modifications based on the spirit of the utility model should be within the scope of the utility model.

Claims (9)

1. A one-way valve comprises a water inlet pipe (1) and a water outlet pipe (2), and is characterized by further comprising

An outlet (11) provided on the inlet pipe;

an inlet (21) arranged on the water outlet pipe;

The rod body (3) is arranged on the water outlet pipe or the water inlet pipe, and the surface of the rod body is provided with a sealing surface (31) which is an arc surface or an inclined surface;

A sealing plate (4) having an elastic sealing ring (41) which is comprised in a first position in sealing engagement with the sealing surface and in a second position deformed away from the sealing surface under the impact of water pressure.

2. A one-way valve as set forth in claim 1 wherein said inlet tube comprises a first joint (12) having a plurality of radially disposed plates (121) on an inner wall thereof, an outlet being formed between adjacent plates, a trailing end of said plates being connected to a circumferential outer wall of said rod, said rod being circumferentially provided with openings (30) communicating with said outlet.

3. A one-way valve as in claim 2 wherein said stem is centered within said first connector.

4. A one-way valve as in claim 1 wherein said inlet tube is removably connected to said outlet tube.

5. A one-way valve as set forth in claim 2 wherein said outlet tube includes a second connector (22) having an inner tube (221) disposed thereon, said first connector includes an outer tube (122), and a portion of said sealing sheet is disposed between and sealingly engaged with said inner and outer tubes.

6. A one-way valve as in claim 5 wherein said second connector is provided with a snap ring (23) which snap engages the circumferential inner wall of said first connector.

7. A one-way valve as in claim 1 wherein said sealing surface is provided on a circumferential outer wall of said stem.

8. A hot water kettle comprising a housing (301) provided with a manifold (310), characterized in that the housing is further provided with a one-way valve according to any one of claims 1-7.

9. A hot water kettle according to claim 8 wherein said housing comprises a water storage chamber (32) having said outlet pipe disposed therein, said inlet pipe communicating with said manifold.