Water outlet valve device of electric hot water bottle

Abstract

The utility model relates to a water outlet valve device of an electric hot water bottle, which comprises a hollow valve body shell, a water outlet and a water inlet are respectively arranged at the upper end and the lower end of the valve body shell, and a silica gel sealing sleeve, a sealing steel ball and a steel ball pressure spring are sequentially arranged in the valve body shell from the water inlet to the water outlet. The sealing steel ball tightly abuts against the silica gel sealing sleeve through a steel ball pressure spring, a sealing turnup edge extending upwards is integrally arranged at the bottom of the silica gel sealing sleeve, and the sealing turnup edge and the lower portion of the silica gel sealing sleeve tightly wrap the bottom of the valve body shell. According to the water outlet valve device, the steel ball pressure spring abuts against the sealing steel ball to make contact with the silica gel sealing sleeve, the sealing effect is achieved, the sealing flange and the silica gel sealing sleeve form a U-shaped valve body shell wrapping plastic, and the sealing effect is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electric connector, concretely is a water outlet valve device of electric thermos. BACKGROUND

[0002] At present, the existing water outlet valve device is similar to "a water inlet and outlet temperature controller and a drinking water equipment applying the temperature controller" of application number CN202220490306.X, wherein the valve core assembly includes a water inlet sleeve, the bottom of the water inlet sleeve is further provided with a valve body formed of silica gel, is used for sealing the gap between the valve body and the water inlet sleeve, and the structure only utilizes the close contact of the inner wall surface and the outer wall surface to realize sealing. However, the sealing mode is not good in sealing performance during use, resulting in the problem of water seepage during use, and therefore needs to be further improved. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the above-mentioned problems of the prior art, and provides a water outlet valve device of electric thermos, which has a simple and reasonable structure and mainly serves to improve the sealing performance of the water outlet valve device.

[0004] A water outlet valve device of electric thermos, which comprises a hollow valve body shell, a water outlet and a water inlet are arranged at the upper end and the lower end of the valve body shell respectively, and a silica gel sealing sleeve, a sealing steel ball and a steel ball pressure spring are sequentially arranged in the valve body shell from the water inlet to the water outlet direction, the sealing steel ball is tightly abutted on the silica gel sealing sleeve through the steel ball pressure spring, the bottom of the silica gel sealing sleeve is integrally provided with a sealing flange extending upward, and the sealing flange and the lower part of the silica gel sealing sleeve tightly wrap the bottom of the valve body shell.

[0005] The purpose of the utility model can also be solved by the following technical measures:

[0006] As a more specific scheme, an outer wall groove is formed on the valve body shell and surrounds the bottom of the valve body shell, the depth of the outer wall groove is close to the thickness of the sealing flange, and the sealing flange is tightly matched with the groove wall of the outer wall groove.

[0007] As a further scheme, a guide inclined bottom surface is arranged at the bottom of the joint between the silica gel sealing sleeve and the sealing flange.

[0008] As a further scheme, a protection member is further included, the protection member is at least nested on the outer side of the lower part of the valve body shell, and the inner wall of the protection member is tightly matched with the outer wall of the valve body shell and the outer surface of the sealing flange.

[0009] As a further scheme, a guide corner flange is bent inward at the bottom of the protection member, and the guide corner flange is tightly abutted on the guide inclined bottom surface.

[0010] As a further solution, the guide angle flange is arranged upwardly inclined to the extending square and matches with the guide inclined bottom surface, and the extending length of the guide angle flange exceeds the inner side of the bottom edge of the valve body shell.

[0011] As a further solution, the inner wall of the silica gel sealing sleeve is integrally provided with an elastic sealing sleeve extending upwardly; the elastic sealing sleeve is in a trumpet structure with the upper part being wide and the lower part being narrow, and the sealing steel ball is movably abutted against the inner wall surface of the elastic sealing sleeve.

[0012] As a further solution, the top end cover of the valve body shell is connected with a water outlet cover, and the water outlet cover is provided with a water outlet structure communicated with the water outlet;

[0013] The part of the water outlet cover exceeding the water outlet is in a circular truncated cone structure, the side wall of the circular truncated cone structure is provided with a plurality of water outlet openings in the circumferential direction, and the top wall of the circular truncated cone structure is uniformly provided with a plurality of water outlet holes, and the plurality of water outlet holes and the plurality of water outlet openings form the water outlet structure.

[0014] As a further solution, the spring support is arranged at the water outlet, and a plurality of limiting protrusions are arranged on the lower side of the spring support; one end of the steel ball pressure spring is abutted against the spring support and located between the plurality of limiting protrusions, and the other end of the steel ball pressure spring is abutted against the surface of the sealing steel ball.

[0015] As a further solution, the upper connector is further provided, and a coupling cavity is formed in the upper connector; a plurality of concentric and non-diameter conductive copper rings are arranged in the coupling cavity, and the innermost conductive copper ring constitutes the protection member.

[0016] The beneficial effects of the utility model are as follows:

[0017] The water outlet valve device of the electric heating thermos bottle has the advantages that the sealing steel ball is pressed against the silica gel sealing sleeve by the steel ball pressure spring, so that the sealing effect is achieved, the sealing flange and the silica gel sealing sleeve form a U-shaped wrapping around the plastic valve body shell, the sealing effect is further improved, the water outlet valve is provided with a protection member, the protection member is closely matched with the water outlet valve, and water leakage is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a cross-sectional structure schematic view of an embodiment in the utility model.

[0019] Figure 2 It is a cross-sectional structure schematic view of the water outlet valve device in the utility model.

[0020] Figure 3 It is Figure 2 It is an enlarged structure schematic view of A in the utility model.

[0021] Figure 4 It is a water outlet cover structure schematic view in the utility model.

[0022] Figure 5 It is the schematic diagram of the cooperation structure of the steel ball pressure spring and the limiting protruding block in the utility model. DETAILED DESCRIPTION

[0023] The utility model is further explained below in combination with the drawings and examples.

[0024] Reference Figures 1 to 5 As shown in the figure, a water outlet valve device of an electric hot water bottle, including hollow valve body shell 1, the upper end and the lower end of valve body shell 1 are respectively provided with water outlet 101 and water inlet 102, and the valve body shell 1 is sequentially provided with silica gel sealing sleeve 2, sealing steel ball 3 and steel ball pressure spring 4 from water inlet 102 to water outlet 101 direction in it, sealing steel ball 3 is tightly abutted on silica gel sealing sleeve 2 by steel ball pressure spring 4, the bottom of silica gel sealing sleeve 2 is integrally provided with the sealing flanging 5 extending upwards, the sealing flanging 5 and the lower part of silica gel sealing sleeve 2 tightly wrap the bottom of valve body shell 1.

[0025] This water outlet valve device utilizes steel ball pressure spring 4 to push sealing steel ball 3 to contact with silica gel sealing sleeve 2, reaches sealing effect.

[0026] The outer wall groove 103 around the bottom of valve body shell 1 is formed on the valve body shell 1, the depth of outer wall groove 103 is preferably slightly less than the thickness of sealing flanging 5 (after installing the protection piece 6, the crimping effect is better), the sealing flanging 5 and the groove wall of outer wall groove 103 are closely matched, and the sealing flanging 5 and silica gel sealing sleeve 2 form a U-shaped wrapping plastic valve body shell 1, further improving the sealing effect.

[0027] The bottom of the joint between silica gel sealing sleeve 2 and sealing flanging 5 is provided with a guide inclined bottom surface 201, and when the upper connector 8 and the lower connector are coupled, the guide inclined bottom surface 201 can serve as a water inlet pipe in the lower connector to guide during coupling.

[0028] It also includes a protection piece 6, the protection piece 6 is at least nested on the lower outer side of valve body shell 1, the inner wall of protection piece 6 is closely matched with the outer wall of valve body shell 1 and the outer surface of sealing flanging 5, the protection piece 6 can protect the water outlet valve device, and the protection piece 6 is closely matched with the sealing flanging 5, which can prevent water from leaking out.

[0029] The bottom of the protection piece 6 is bent inwardly to have a guide corner flange 61, the guide corner flange 61 is closely abutted on the guide inclined bottom surface 201, the guide corner flange 61 can support the sealing flanging 5 and the silica gel sealing sleeve 2, and improve the wrapping effect of the bottom of the valve body shell 1, and in other examples, the guide corner flange 61 structure can be omitted.

[0030] The guide angle flange 61 is arranged upwardly inclinedly in an extended square shape and matches with the guide inclined bottom surface 201, and the extension length of the guide angle flange 61 exceeds the inner side of the bottom edge of the valve body shell 1; the inclined guide angle flange 61 can also play a guiding role as a water inlet pipe in the lower connector when coupled.

[0031] The inner wall of the silica gel sealing sleeve 2 is integrally provided with an elastic sealing sleeve 21 extending upwardly; the elastic sealing sleeve 21 is in a horn-shaped structure with a wide upper side and a narrow lower side, and the sealing steel ball 3 is movably abutted against the inner wall surface of the elastic sealing sleeve 21; the elastic sealing sleeve 21 is arranged spaced apart from the silica gel sealing sleeve 2, so that the deformation range is larger, and the elastic sealing sleeve 21 is flexibly contracted or expanded under the action of the sealing steel ball 3, so as to ensure close contact with the sealing steel ball 3 and improve the sealing effect.

[0032] The top end cover of the valve body shell 1 is connected with a water outlet cover 7, and the water outlet cover 7 is provided with a water outlet structure communicated with the water outlet 101;

[0033] The part of the water outlet cover 7 protruding from the water outlet 101 is in a circular truncated cone structure, the side wall of the circular truncated cone structure is circumferentially provided with a plurality of water outlet openings 71, and the top wall of the circular truncated cone structure is uniformly provided with a plurality of water outlet holes 72; the plurality of water outlet holes 72 and the plurality of water outlet openings 71 form the water outlet structure; the total area of the plurality of water outlet openings 71 is greater than the total area of the plurality of water outlet holes 72, so that water can be laterally sprayed into the inner cavity of the container, and the upward spraying of water flow is avoided to be too high to cause water splashing or overflow.

[0034] The spring bracket 104 is arranged at the water outlet 101, and a plurality of limiting protrusions 105 are circumferentially arranged on the lower side of the spring bracket 104; one end of the steel ball pressure spring 4 is abutted against the spring bracket 104 and located between the plurality of limiting protrusions 105, and the other end of the steel ball pressure spring 4 is abutted against the surface of the sealing steel ball 3; the plurality of limiting protrusions 105 abut against one end of the steel ball pressure spring 4, so as to ensure that one end of the steel ball pressure spring 4 is kept centered and does not swing left and right, thereby improving the stability.

[0035] The upper connector 8 is further provided, and the coupling cavity 801 is arranged in the upper connector 8; a plurality of concentric but not diametered conductive copper rings 9 are arranged in the coupling cavity 801, and the innermost conductive copper ring 9 constitutes the protection piece 6; so that the conductive copper ring 9 plays a role of electrode and can also protect the water outlet valve at the same time.

[0036] The above is the preferred scheme of the utility model, and the basic principle, main features and advantages of the utility model are displayed and described. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only for the purpose of illustrating the principle of the utility model. The utility model can have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed, and the scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electric water outlet valve device of a thermos flask, comprising a hollow valve body shell, the upper end and the lower end of the valve body shell are respectively provided with a water outlet and a water inlet, and a silica gel sealing sleeve, a sealing steel ball and a steel ball pressure spring are sequentially arranged in the valve body shell from the water inlet to the water outlet direction, the sealing steel ball is tightly abutted on the silica gel sealing sleeve through the steel ball pressure spring, characterized in that: The bottom of the silica gel sealing sleeve is integrally provided with an upwardly extending sealing flange, which tightly wraps the bottom of the valve body shell. ​ 2. The electrically heated flask outlet valve device according to claim 1, characterized in that: The valve body shell is provided with an outer wall groove around the bottom thereof, the depth of the outer wall groove being similar to the thickness of the sealing flange, and the sealing flange tightly fits the groove wall of the outer wall groove.

3. The electrically heated flask outlet valve assembly of claim 1 wherein: The bottom of the joint between the silica gel sealing sleeve and the sealing flange is provided with a guiding inclined bottom surface.

4. A water outlet valve assembly for an electrically heated flask as claimed in claim 3, wherein: A protection member is further included, which is at least nested on the lower outer side of the valve body shell, and the inner wall of the protection member tightly fits the outer wall of the valve body shell and the outer surface of the sealing flange.

5. An electrically heated flask outlet valve assembly according to claim 4, wherein: The bottom of the protection member is inwardly bent with a guiding corner flange, which tightly abuts on the guiding inclined bottom surface.

6. A water outlet valve assembly for an electrically heated flask as claimed in claim 5, wherein: The guiding corner flange is upwardly and obliquely arranged in an extending square shape and matches the guiding inclined bottom surface, and the extending length of the guiding corner flange exceeds the inner side of the bottom edge of the valve body shell.

7. The electrically heated water bottle outlet valve device according to claim 1, characterized in that: The inner wall of the silica gel sealing sleeve is integrally provided with an upwardly extending elastic sealing sleeve; the elastic sealing sleeve is in a horn structure with a wide upper side and a narrow lower side, and the sealing steel ball movably abuts on the inner wall surface of the elastic sealing sleeve.

8. The electrically heated water bottle outlet valve device according to claim 1, characterized in that: The top end cover of the valve body shell is connected with a water outlet cover, and the water outlet cover is provided with a water outlet structure communicating with the water outlet; The part of the water outlet cover above the water outlet is in a circular truncated cone structure, the side wall of the circular truncated cone structure is circumferentially provided with a plurality of water outlet openings, and the top wall of the circular truncated cone structure is uniformly provided with a plurality of water outlet holes, and the plurality of water outlet holes and the plurality of water outlet openings form the water outlet structure.

9. The electrically heated water bottle outlet valve device according to claim 1, characterized in that: The water outlet is provided with a spring support, and the lower side of the spring support is circumferentially provided with a plurality of limiting protrusions; one end of the steel ball pressure spring abuts on the spring support and is located between the plurality of limiting protrusions, and the other end of the steel ball pressure spring abuts on the surface of the sealing steel ball.

10. The electrically heated water bottle outlet valve device according to claim 4, characterized in that: An upper connector is further included, and a coupling cavity is formed in the upper connector, a plurality of concentric but not diametered conductive copper rings are arranged in the coupling cavity, and the innermost conductive copper ring constitutes the protection member.

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