Bottom water outlet coupler capable of preventing water accumulation

Abstract

The bottom water outlet coupler comprises a heating disc and an upper connector connected to the bottom face of the heating disc, a water inlet valve is installed in the upper connector, the upper end and the lower end of the water inlet valve are provided with a water passing opening and a water inlet respectively, the heating disc is provided with an installation through hole corresponding to the water passing opening, and the installation through hole is communicated with the water passing opening. The top end of the water inlet valve is connected with a water outlet cover in a covering mode, the water outlet cover is embedded in the installation through hole in a sealed mode, a plurality of water passing openings are formed in the water outlet cover, and the horizontal height of the lower opening edge of each water passing opening is equal to or lower than the upper surface of the heating disc. When an electric hot water bottle on the market adopts the bottom water outlet coupler of the structure, water in a container of the electric hot water bottle can be completely pumped in the using process, the problem that water cannot be completely pumped is solved, the utilization efficiency of hot water is improved, and the problem that water is accumulated in the container is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electric connector, concretely is a bottom water outlet coupler of water accumulation prevention. BACKGROUND

[0002] At present, electric hot water bottle is more and more welcomed by general family users, but the bottom water outlet coupler structure of electric hot water bottle application in market is as the application number for: CN202210105000.2 " the modularization water supply structure of probe integration combination", wherein the top of water inlet pipe assembly is equipped with water inlet cover, and the water inlet hole is formed in the water inlet cover, the modularization water supply structure produces factory, mainly installs the bottom surface of heating disc, and makes the top of water inlet cover of the water inlet cover protrude the upside of heating disc to the container inner chamber water or pump water, but when water inlet pipe assembly realizes pumping water outward, because the horizontal height of water inlet hole is higher than the upper surface of heating disc, thus will lead to electric hot water bottle when using, and the water in the bottom is not clean, and there is the problem of water accumulation, so the coupler needs to be further improved. SUMMARY

[0003] The utility model discloses a kind of bottom water outlet couplers of water accumulation prevention, which is simple in structure and reasonable, and the main role is to make the water in electric hot water bottle container be completely pumped dry.

[0004] A kind of bottom water outlet coupler of water accumulation prevention, including heating disc and the upper connector connected in the bottom surface of heating disc, the upper connector is equipped with water inlet valve, and the upper end and lower end of water inlet valve are respectively equipped with water outlet and water inlet, the heating disc is equipped with installation through-hole corresponding water outlet, the top of water inlet valve is covered with water outlet cover, and water outlet cover is sealingly embedded in installation through-hole, and the water outlet cover is equipped with several water through holes, and the horizontal height of the lower lip of water through hole is equal to or lower than the upper surface of the heating disc.

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

[0006] As a more specific scheme, the water outlet cover includes a cover top wall and a cover side wall, a side inclined wall is connected between the cover top wall and the cover side wall, the cover wall is nested on the top of the water inlet valve, and the plurality of water through holes are equidistantly arranged on the side inclined wall in a circumferential direction.

[0007] As a further scheme, the lower lip of the water through hole is integrally connected with a water baffle formed by bending during stamping, and the water baffle extends horizontally or horizontally to the inside of the water outlet cover and covers the vertical projection plane of the water through hole.

[0008] As a further scheme, the horizontal height of the water baffle is equal to or lower than the height of the upper surface of the heating disc.

[0009] As a further scheme, the top wall of the cover is level with or slightly higher than the upper surface of the heating disc, and a plurality of uniformly distributed water outlet holes are formed in the top wall of the cover.

[0010] As a further scheme, the inner wall surface of the top of the cover is spaced apart from the water outlet, and the spacing distance is H1, and 0≤H1≤6mm; or / and, the protruding height of the cover relative to the upper surface of the heating disc is H2, and 0≤H2≤6mm.

[0011] As a further scheme, the annular surrounding edge extends downward on the heating disc, the annular surrounding edge defines a mounting through hole, and a sealing ring is tightly nested between the annular surrounding edge and the water outlet cover.

[0012] As a further scheme, the upper portion of the water inlet valve extends annularly to form a supporting ring, and the bottom of the water outlet cover is limited to be supported on the supporting ring; the sealing ring comprises a longitudinal portion and a transverse portion, the longitudinal portion is tightly nested between the annular surrounding edge and the water outlet cover, and the transverse portion is tightly nested between the heating disc and the supporting ring.

[0013] As a further scheme, the water inlet valve comprises a hollow valve body shell, the upper port and the lower port of the valve body shell form the water outlet and the water inlet 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, and the sealing steel ball is tightly abutted on the silica gel sealing sleeve through the steel ball pressure spring.

[0014] As a further scheme, the bottom of the silica gel sealing sleeve is integrally provided with an upwardly extending sealing flange, and the sealing flange and the lower portion of the silica gel sealing sleeve tightly wrap the bottom of the valve body shell.

[0015] The beneficial effects of the utility model are as follows:

[0016] The bottom water outlet coupler of the utility model can completely drain the water in the electric kettle container during use, solves the problem of incomplete water drainage, improves the utilization efficiency of hot water, and avoids the problem of water accumulation in the container. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The figure is a cross-sectional structure schematic view of an embodiment of the utility model.

[0018] Figure 2 The figure is a water outlet cover structure schematic view of the utility model.

[0019] Figure 3 The figure is a water outlet cover cross-sectional structure schematic view of the utility model.

[0020] Figure 4 It is an exploded structural schematic view of the upper connector in the utility model.

[0021] Figure 5 It is an enlarged structural schematic view of two places in the sectional view of the upper connector in the utility model. DETAILED DESCRIPTION

[0022] The utility model is further illustrated below in combination with the drawings and examples.

[0023] REFERENCE Figures 1 to 5 As shown in the figure, a water-accumulation-preventing bottom water outlet coupler comprises a heating disc 1 and an upper connector 2 connected to the bottom surface of the heating disc 1, a water inlet valve 3 is installed in the upper connector 2, and a water outlet 301 and a water inlet 302 are arranged at the upper end and the lower end of the water inlet valve 3 respectively, a mounting through hole 101 is arranged in the heating disc 1 corresponding to the water outlet 301, a water outlet cover 4 is connected to the top end of the water inlet valve 3, the water outlet cover 4 is sealingly embedded in the mounting through hole 101, and a plurality of water passing openings 401 are arranged on the water outlet cover 4, and the horizontal height of the lower opening of the water passing opening 401 is equal to or lower than the upper surface H of the heating disc 1.

[0024] When the electric kettle is used to fill water from the bottom, the water passing openings 401 serve as water outlets, and conversely, when the electric kettle is used to draw water from the bottom, the water passing openings 401 serve as water inlets. When the bottom water outlet coupler with the structure is used in the electric kettle on the market, the water in the electric kettle container can be completely drawn out during use, the problem of incomplete water drawing is solved, the utilization efficiency of hot water is improved, and the problem of water accumulation in the container is avoided.

[0025] In the embodiment, the horizontal height of the water passing openings 401 is equal to or lower than the upper surface H of the heating disc 1, and in the error of the actual assembly process, the horizontal height of the water passing openings 401 can also be slightly higher than the upper surface H of the heating disc 1.

[0026] The water outlet cover 4 comprises a cover top wall 41 and a cover side wall 42, a side inclined wall 43 is connected between the cover top wall 41 and the cover side wall 42, the cover wall is nested at the top end of the water inlet valve 3, and the plurality of water passing openings 401 are circumferentially and equidistantly arranged on the side inclined wall 43. The water passing openings 401 are arranged on the side inclined wall 43, which can realize lateral water outlet when filling water, prevent the water column from being directly sprayed upward, and also make the water outlet cover 4 not necessarily equal to or lower than the upper surface H of the heating disc 1 when drawing water, which is helpful to the sealing between the water outlet cover 4 and the heating disc 1.

[0027] The lower opening of the water passing opening 401 is connected with a water baffle 44 which is formed by bending when stamping, the water baffle 44 extends horizontally or transversely to the inner side of the water outlet cover 4 and covers the vertical projection surface of the water passing opening 401; since the water passing opening 401 is arranged on the side inclined wall 43, the water passing opening 401 is directly communicated with the inner cavity of the water outlet cover 4 in the vertical projection direction, and the water baffle 44 can avoid the water column from being directly sprayed upward along the vertical projection direction of the water passing opening 401, and the water baffle 44 helps to form a completely lateral water passing opening 401 or channel

[0028] The horizontal height of the water baffle 44 is equal to or lower than the height H of the upper surface of the heating disc 1, which helps the water in the electric heating flask to flow into the water inlet valve 3 through the water passing opening 401.

[0029] The cover top wall 41 is level with or slightly higher than the upper surface H of the heating disc 1, and a plurality of water outlet small holes 402 are arranged on the cover top wall 41; during water filling, the water outlet small holes 402 can share part of the responsibility of water outlet, and during water boiling, the air bubbles in the water outlet cover 4 can be discharged.

[0030] In the embodiment, the interval distance between the inner wall surface of the cover top of the water outlet cover 4 and the water outlet opening 301 is H1, and H1 is preferably between 1-4mm, and the protruding height of the water outlet cover 4 relative to the upper surface H of the heating disc 1 is H2, and H2 is also preferably between 1-4mm, and in other embodiments, H1 and H2 can be flexibly adjusted according to actual needs.

[0031] The annular surrounding edge 102 extends downward on the heating disc 1, the annular surrounding edge 102 defines the mounting through hole 101, and the sealing ring 5 is tightly nested between the annular surrounding edge 102 and the water outlet cover 4, and the sealing ring 5 is used for sealing the gap between the heating disc 1 and the water outlet cover 4.

[0032] The upper part of the water inlet valve 3 extends annularly to form a supporting ring 311, and the bottom of the water outlet cover 4 is limited and placed on the supporting ring 311, the supporting ring 311 can limit the installation depth of the water outlet cover 4, which is convenient for controlling the interval distance and the protruding height;

[0033] The sealing ring 5 includes a longitudinal part 51 and a transverse part 52, the longitudinal part 51 is tightly nested between the annular surrounding edge 102 and the water outlet cover 4, and the transverse part 52 is tightly nested between the heating disc 1 and the supporting ring 311; the longitudinal part 51 in the sealing ring 5 can form a first sealing structure, and the transverse part 52 can form a second sealing structure, so as to improve the sealing effect of the bottom water outlet coupler and avoid leakage.

[0034] The water inlet valve 3 comprises a hollow valve body shell 31, the upper and lower ports of the valve body shell 31 form a water outlet 301 and a water inlet 302 respectively, and a silica gel sealing sleeve 32, a sealing steel ball 33 and a steel ball pressure spring 34 are sequentially arranged in the valve body shell 31 from the water inlet 302 to the water outlet 301, the sealing steel ball 33 is tightly abutted on the silica gel sealing sleeve 32 through the steel ball pressure spring 34, the sealing steel ball 33 is contacted with the silica gel sealing sleeve 32 by the steel ball pressure spring 34, and the sealing effect is achieved;

[0035] The bottom of the silica gel sealing sleeve 32 is integrally provided with an upwardly extending sealing flange 35, the sealing flange 35 and the lower part of the silica gel sealing sleeve 32 tightly wrap the bottom of the valve body shell 31, the sealing flange 35 and the silica gel sealing sleeve 32 form a U-shaped wrapping plastic valve body shell 31, and the sealing effect is further improved, in addition, the water outlet valve is provided with a protection member 36, the protection member 36 is sleeved outside the valve body shell 31, the inner wall of the protection member 36 is tightly matched with the outer surface of the sealing flange 35, and water leakage is prevented.

[0036] The protection member 36 can be a conductive copper ring in the upper connector 2.

[0037] The above is the preferred scheme of the utility model, the basic principle, the main features and the advantages of the utility model are displayed and described, the person skilled in the art should understand that the utility model is not limited by the above examples, the above examples and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, these changes and improvements all fall into the range of the utility model to be protected, the protection scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A bottom-outlet water coupler for preventing water accumulation, comprising a heating plate and an upper connector connected to the bottom surface of the heating plate, wherein a water inlet valve is installed in the upper connector, and the upper and lower ends of the water inlet valve are respectively provided with a water outlet and a water inlet, and the heating plate has a mounting through hole corresponding to the water outlet, characterized in that: The top end cover of the water inlet valve is connected with a water outlet cover, the water outlet cover is sealingly embedded in the installation through hole, and a plurality of water outlet openings are formed in the water outlet cover, and the horizontal height of the lower edge of the water outlet opening is equal to or lower than the upper surface of the heating disc.

2. The water-accumulation-preventing bottom water outlet coupler according to claim 1, characterized in that: The water outlet cover comprises a cover top wall and a cover side wall, a side inclined wall is connected between the cover top wall and the cover side wall, the cover wall is nested in the top end of the water inlet valve, and the plurality of water outlet openings are equidistantly formed on the side inclined wall in the circumferential direction.

3. The water-accumulation-preventing bottom water outlet coupler according to claim 2, characterized in that: The lower edge of the water outlet opening is integrally connected with a water baffle formed by bending during stamping, the water baffle extends transversely or horizontally to the inner side of the water outlet cover and covers the vertical projection plane of the water outlet opening.

4. The water-accumulation-preventing bottom water outlet coupler according to claim 3, characterized in that: The horizontal height of the water baffle is equal to or lower than the height of the upper surface of the heating disc.

5. The water-accumulation-preventing bottom water outlet coupler according to claim 2, characterized in that: The cover top wall is flush with the upper surface of the heating disc or slightly higher than the upper surface of the heating disc, and a plurality of uniformly distributed water outlet small holes are formed in the cover top wall.

6. The water-accumulation-preventing bottom water outlet coupler according to claim 1, characterized in that: The inner wall surface of the cover top of the water outlet cover is spaced apart from the water outlet opening, the spacing distance is H1, and 0≤H1≤6mm; or / and, the protruding height of the water outlet cover relative to the upper surface of the heating disc is H2, and 0≤H2≤6mm.

7. The water-accumulation-preventing bottom water outlet coupler according to claim 1, characterized in that: The heating disc extends downwardly with an annular surrounding edge, the annular surrounding edge defines an installation through hole, and a sealing ring is tightly nested between the annular surrounding edge and the water outlet cover.

8. The water-accumulation-preventing bottom water outlet coupler according to claim 7, characterized in that: The upper portion of the water inlet valve extends with a supporting ring in the circumferential direction, and the bottom of the water outlet cover is limited and supported on the supporting ring; the sealing ring comprises a longitudinal portion and a transverse portion, the longitudinal portion is tightly nested between the annular surrounding edge and the water outlet cover, and the transverse portion is tightly nested between the heating disc and the supporting ring.

9. The water-accumulation-preventing bottom water outlet coupler according to claim 1, characterized in that: The water inlet valve comprises a hollow valve body shell, the upper port and the lower port of the valve body shell form a water outlet opening and a water inlet opening 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 opening to the water outlet opening, and the sealing steel ball is tightly abutted on the silica gel sealing sleeve by the steel ball pressure spring.

10. The water-accumulation-preventing bottom water outlet coupler according to claim 9, characterized in that: The bottom of the silica gel sealing sleeve is integrally provided with an upwardly extending sealing flange, and the sealing flange and the lower portion of the silica gel sealing sleeve tightly wrap the bottom of the valve body shell.

Images