One-way valve and thermos using same

Abstract

The utility model discloses a one-way valve and a kettle using the same. The problem that a water feeding structure of a conventional electric kettle is poor in sealing effect is mainly solved. The utility model relates to a water inlet pipe, which is characterized by further comprising an outlet (11) arranged on the water inlet pipe, an inlet (21) arranged on the water outlet pipe, a rod body (3) arranged on the water outlet pipe or the water inlet pipe, a sealing sheet (4) and an elastic sealing ring (41), wherein the surface of the rod body (3) is provided with a sealing surface (31) which is an arc-shaped surface or an inclined surface; and the sealing ring comprises a first position in sealing fit with the sealing surface and a second position which deforms to leave the sealing surface under the impact of water pressure. According to the one-way valve and the kettle applying the one-way valve, the sealing diaphragm and the rod body of the one-way valve are sealed in an inclined plane or arc-shaped plane mode, and the sealing effect is better.

Description

Technical Field

[0001] The utility model relates to the field of electric kettles, in particular to a one-way valve and a kettle using the one-way valve. Background Art

[0002] With the development of science and technology, speed, safety, convenience and full utilization of energy have gradually become the main features of electric kettles, and they are widely used in drinking tea, making coffee, beverages, etc.

[0003] As shown in Chinese patent publication number CN110419948A, the sealing structure of the conventional electric kettle thermostat mostly adopts a cap-shaped sealing film, and the bottom of the sealing film and the sealing surface are sealed in a horizontal plane. Due to reasons such as processing accuracy, such a sealing structure is not reliable. Utility Model Content

[0004] In order to overcome the shortcomings of the background technology, the utility model provides a one-way valve and a kettle using the one-way valve, which mainly solves the problem of poor sealing effect of the water supply structure of the conventional electric kettle.

[0005] The technical solution of the utility model is:

[0006] A one-way valve comprises a water inlet pipe and a water outlet pipe, and also comprises

[0007] An outlet provided on the water inlet pipe;

[0008] Inlet, provided on the outlet pipe;

[0009] The rod body is disposed on the outlet pipe or the inlet pipe, and has a sealing surface which is an arc surface or an inclined surface;

[0010] The sealing sheet has an elastic sealing ring, wherein the sealing ring is in a first position where it seals with the sealing surface and in a second position where it deforms and leaves the sealing surface under the impact of water pressure.

[0011] The water inlet pipe includes a first joint, the inner wall of which is provided with a plurality of radially arranged flat plates, an outlet is formed between adjacent flat plates, the tail end of the flat plate is connected to the circumferential outer wall of the rod body, and the rod body is circumferentially provided with an opening connected to the outlet.

[0012] The rod body is arranged at the center of the first joint.

[0013] The water inlet pipe is detachably connected to the water outlet pipe.

[0014] The water outlet pipe comprises a second joint, an inner tube is arranged on the second joint, the first joint comprises an outer tube, and part of the sealing sheet is arranged between the inner tube and the outer tube and is sealed with the inner tube and the outer tube.

[0015] The second joint is provided with a clamping ring, and the clamping ring is clamped and matched with the circumferential inner wall of the first joint.

[0016] The sealing surface is arranged on the circumferential outer wall of the rod body.

[0017] A hot water kettle comprises a shell, wherein the shell is provided with a main pipe and the shell is also provided with a one-way valve as described above.

[0018] The shell comprises a water storage cavity, the water outlet pipe is arranged in the water storage cavity, and the water inlet pipe is connected with the main pipe.

[0019] The beneficial effects of the utility model are as follows: the utility model provides a one-way valve and a hot water kettle using the one-way valve, wherein a sealing method of an inclined surface or an arc surface is adopted between the sealing diaphragm and the rod body, and the sealing effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of an embodiment of the utility model.

[0021] Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model.

[0022] Figure 3 The figure is an exploded schematic diagram of an embodiment of the utility model.

[0023] Figure 4 It is a three-dimensional schematic diagram of a water inlet pipe according to an embodiment of the utility model.

[0024] Figure 5 It is a three-dimensional schematic diagram of a kettle equipped with a one-way valve.

[0025] Figure 6 It is a cross-sectional schematic diagram of a kettle equipped with a one-way valve. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings: As shown in the figure, a one-way valve includes an inlet pipe 1 and an outlet pipe 2, and also includes an outlet 11, which is arranged on the inlet pipe; an inlet 21, which is arranged on the outlet pipe; a rod body 3, which is arranged on the outlet pipe or the inlet pipe, and has a sealing surface 31 which is an arc surface or an inclined surface on its surface; a sealing sheet 4, which has an elastic sealing ring 41, and the sealing ring includes a first position in which it is sealed with the sealing surface and a second position in which it is deformed and leaves the sealing surface under the impact of water pressure. Under normal conditions, the sealing ring is pressed tightly on the sealing surface under its own elastic force and the gravity of the water flow to form a seal, but when the water pressure of the water inlet is large enough, the sealing ring is pushed open to connect the inlet and the outlet to realize the passage, and the sealing surface provided on the outer wall of the rod body is an inclined surface or an arc surface, which is a structure with a small upper part and a large lower part, so that it can be better sealed after the sealing ring is set, and the inner wall of the sealing ring is sealed with the sealing surface, which can also be an inclined surface or an arc surface, and the processing accuracy requirements are also low.

[0027] In this embodiment, as shown in the figure, the water inlet pipe includes a first joint 12, the inner wall of the first joint is provided with a plurality of radially arranged flat plates 121, an outlet is formed between adjacent flat plates, the tail end of the flat plate is connected to the circumferential outer wall of the rod body, and the rod body is circumferentially provided with an opening 30 connected to the outlet. A bottom plate 120 is provided in the first joint, the flat plate is provided on the bottom plate, and the rod body is provided at the center of the bottom plate. After the water flows in, it flows out from the circumferential opening of the rod body into the outlet and is then blocked by the seal. Of course, this bottom plate can be the bottom inner wall of the first joint.

[0028] In this embodiment, as shown in the figure, the rod body is arranged at the center of the first joint, which is more suitable for installing the sealing structure.

[0029] In this embodiment, as shown in the figure, the water inlet pipe and the water outlet pipe are detachably connected, which is convenient for disassembly and assembly, and can be installed by threaded installation or clamping.

[0030] In this embodiment, as shown in the figure, the water outlet pipe includes a second joint 22, an inner tube 221 is provided on the second joint, the first joint includes an outer tube 122, and part of the sealing sheet is provided between the inner tube and the outer tube and is sealed with the inner tube and the outer tube. The first joint and the second joint are plugged into each other, and a seal is also formed between the inner tube and the outer tube to increase the sealing effect. The water outlet is provided in the outer tube, and the inlet is provided in the inner tube. The top of the sealing sheet is pressed by the inner wall of the second joint.

[0031] In this embodiment, as shown in the figure, the second joint is provided with a clamping ring 23, and the clamping ring is engaged with the circumferential inner wall of the first joint. The second joint includes a clamping ring for fixing, and specifically, a concave clamping groove can be provided on the first joint, which is convenient for disassembly and assembly.

[0032] In this embodiment, as shown in the figure, the sealing surface is arranged on the circumferential outer wall of the rod body. The top of the rod body can be hemispherical, and the sealing surface is arranged on the circumferential surface of the rod body.

[0033] In this embodiment, as shown in the figure, a kettle comprises a housing 301, the housing is provided with a main pipe 310, and the housing is also provided with a one-way valve as described above. The main pipe can be provided on the coupler, as in the Chinese patent CN110419948A, and the main pipe can also be provided integrally with the water inlet pipe.

[0034] In this embodiment, as shown in the figure, the housing includes a water storage chamber 32, the water storage chamber is provided with the water outlet pipe, and the water inlet pipe is connected to the main pipe. In a spring-like kettle, the water storage chamber is provided in the kettle for normal water storage, and a second water outlet is provided in the water storage chamber, and the second water outlet is provided on the water outlet pipe.

[0035] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0037] The embodiments described with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention. The embodiments should not be regarded as limiting the present invention, but any improvements based on the spirit of the present invention should be within the scope of protection of the present invention.

Claims

1. A one-way valve, comprising a water inlet pipe (1) and a water outlet pipe (2), characterized in that: Also includes An outlet (11) is provided on the water inlet pipe; Inlet (21), provided on the outlet pipe; The rod body (3) is disposed on the water outlet pipe or the water inlet pipe, and has a sealing surface (31) which is a curved surface or an inclined surface; The sealing sheet (4) has an elastic sealing ring (41), wherein the sealing ring comprises a first position in which it is in sealing cooperation with the sealing surface and a second position in which it is deformed and separated from the sealing surface under the impact of water pressure.

2. A one-way valve according to claim 1, characterized in that: The water inlet pipe comprises a first joint (12), the inner wall of the first joint being provided with a plurality of radially arranged flat plates (121), an outlet being formed between adjacent flat plates, the tail ends of the flat plates being connected to the circumferential outer wall of the rod body, and the circumference of the rod body being provided with an opening (30) communicating with the outlet.

3. A one-way valve according to claim 2, characterized in that: The rod body is arranged at the center of the first joint.

4. A one-way valve according to claim 1, characterized in that: The water inlet pipe is detachably connected to the water outlet pipe.

5. A one-way valve according to claim 2, characterized in that: The water outlet pipe comprises a second joint (22), an inner tube (221) is provided on the second joint, the first joint comprises an outer tube (122), and part of the sealing sheet is provided between the inner tube and the outer tube and is in sealing cooperation with the inner tube and the outer tube.

6. A one-way valve according to claim 5, characterized in that: The second joint is provided with a clamping ring (23), and the clamping ring is clamped and matched with the circumferential inner wall of the first joint.

7. A one-way valve according to claim 1, characterized in that: The sealing surface is arranged on the circumferential outer wall of the rod body.

8. A hot water kettle, comprising a housing (301), wherein the housing is provided with a main pipe (310), characterized in that: The housing is also provided with a one-way valve as described in any one of claims 1-7.

9. A kettle according to claim 8, characterized in that: The shell comprises a water storage chamber (32), the water outlet pipe is arranged in the water storage chamber, and the water inlet pipe is connected to the main pipe.

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