Safe and sanitary drain valve and thermos bottle with same

Abstract

The utility model discloses a safe and sanitary drain valve which comprises a valve shell, a sealing ring and a first valve element assembly, and a drain channel is formed in the valve shell. The sealing ring is arranged at a water inlet of the sewer; the first valve element assembly comprises a first valve element and a first elastic piece, and the first valve element is movably arranged in the sewer channel. The first elastic piece is arranged in the sewer, and one end of the first elastic piece abuts against the first valve element; and under the elastic action of the first elastic piece, the first valve element can be driven to abut against the sealing ring so as to seal the water inlet. The valve shell and the first valve element are both hardware. Therefore, the valve shell and the first valve core in the drain valve are hardware, and when boiled water flows into a drain channel, no harmful substance is separated out, so that the safety and sanitation of the boiled water are ensured, and meanwhile, the risk of generating peculiar smell is also reduced. In addition, the utility model further provides a thermos bottle with the drain valve.

Description

A safe and hygienic drain valve and a thermos containing it. Technical Field

[0001] This utility model relates to the field of hot water bottles, specifically to a safe and hygienic drain valve and a hot water bottle having the same. Background Technology

[0002] This section provides only background information related to this application to enable those skilled in the art to understand this application more thoroughly and accurately, and it is not necessarily prior art.

[0003] Existing split-type hot water bottles require sealing not only the water outlet at the bottom of the inner liner but also the drain outlet at the bottom of the inner liner placement slot on the base when the inner liner is removed from the base. However, the valve body and valve core of the drain valves currently on the market are mainly made of plastic. When boiling water flows through the drain valve, the plastic material is prone to releasing harmful substances under the high temperature of the boiling water, which then dissolve into the boiling water, posing a significant safety hazard. In addition, the plastic material is also prone to producing odors, thus reducing the taste of the drink.

[0004] Therefore, improvements are needed to the drain valves currently on the market. Summary of the Invention

[0005] In order to overcome the defects of the prior art, the present invention provides a safe and hygienic drain valve and a hot water bottle having the same, which can solve the problems mentioned in the background art, such as the impact of plastic on health and the generation of odors.

[0006] The technical solution adopted by this utility model to solve its problem is:

[0007] A safe and hygienic drain valve, comprising:

[0008] The valve housing has a drainage channel inside.

[0009] A sealing ring is provided at the inlet of the drain channel;

[0010] The first valve core assembly includes a first valve core and a first elastic element. The first valve core is movably disposed within the drain channel. The first elastic element is disposed within the drain channel and one end of it abuts against the first valve core. Under the elastic force of the first elastic element, the first valve core can be driven to abut against the sealing ring to seal the water inlet.

[0011] Both the valve housing and the first valve core are metal parts.

[0012] As an optional implementation, it further includes a partition disposed within the drainage channel, the partition dividing the drainage channel into a first drainage channel and a second drainage channel, wherein:

[0013] The first valve core assembly is disposed within the first drain channel;

[0014] The partition is provided with a first through hole that connects the first drain channel and the second drain channel respectively. The second drain channel is provided with a second valve core assembly. The second valve core assembly can seal or open the first through hole to achieve isolation or connection between the first drain channel and the second drain channel.

[0015] The spacer is a metal component.

[0016] As an optional implementation, the second valve core assembly includes a second valve core movably disposed in the second drain channel and a second elastic member with one end abutting against the second valve core. Under the elastic force of the second elastic member, the second valve core can be driven to abut against the first through hole and seal it.

[0017] The other end of the first elastic element abuts against the second valve core, and the elastic force of the second elastic element is greater than that of the first elastic element;

[0018] When the first valve core is driven to overcome the elastic force of the first elastic element and move to disengage from the sealing ring, the inlet of the drain channel is opened; subsequently, when the first valve core continues to move and abuts against the second valve core to drive the second valve core to overcome the elastic force of the second elastic element and move, the first through hole is opened to connect the first drain channel and the second drain channel.

[0019] The second valve core is a silicone component.

[0020] As an optional implementation, it also includes a shaft disposed within the drain channel and fixedly connected to the valve housing, wherein:

[0021] The shaft body is disposed through the first through hole;

[0022] Both the first valve core and the second valve core are sleeved on the shaft and can move along the axial direction of the shaft.

[0023] The shaft is a hardware component.

[0024] As an optional implementation, the valve housing includes a hollow cylinder open at both ends, an upper cover plate disposed above the top of the cylinder, and a lower cover plate disposed at the bottom of the cylinder, wherein:

[0025] There is a gap between the upper cover plate and the top of the cylinder to form an installation groove, and the sealing ring is installed in the installation groove; a second through hole is provided on the upper cover plate, and the second through hole, the inner side of the sealing ring and the top opening of the cylinder are all connected to form the water inlet;

[0026] The lower cover plate seals the bottom opening of the cylinder, and the lower cover plate has a water outlet hole that communicates with the inside of the cylinder; the bottom end of the shaft is fixed to the lower cover plate.

[0027] As an optional implementation, the first valve core includes a sleeve-shaped main body and a cover plate portion surrounding the outer periphery of the main body, wherein:

[0028] The main body is sleeved on the shaft; the first elastic element is sleeved on the main body and one end abuts against the cover plate.

[0029] The top edge of the cylinder is bent inward to form a first flange, and the bottom edge of the cover plate is bent outward to form a second flange in a bent shape. Under the elastic force of the first elastic member, the second flange can be driven to abut against the first flange to achieve limiting and fixing.

[0030] As an optional implementation, the bottom edge of the lower cover plate is bent outward to form a third flange, and the bottom of the cylinder and the bottom of the partition abut against the third flange to achieve limiting and fixing;

[0031] The middle part of the cylinder is recessed to form a limiting protrusion ring, which abuts against the spacer to limit and fix the spacer.

[0032] As an optional implementation, it also includes a lower shell that is fitted from bottom to top around the outer periphery of the cylinder, the bottom of the lower shell having a groove, and the bottom of the cylinder, the bottom of the spacer, and the third flange all being disposed within the groove.

[0033] As an optional implementation, it also includes an upper shell that is fitted from top to bottom around the outer periphery of the lower shell. The top of the upper shell is provided with a protruding edge, and the bottom edge of the upper cover plate is bent outward to form a fourth flange. The protruding edge abuts against the fourth flange to limit and fix the upper cover plate.

[0034] In addition, this utility model also provides a thermos, including a base and an inner liner, wherein:

[0035] The base has a receiving groove, and the inner liner can be detachably placed in the receiving groove;

[0036] A lower coupler is installed at the bottom of the receiving tank, and the aforementioned drain valve is installed inside the lower coupler.

[0037] In summary, the safe and hygienic drain valve and the thermos containing it provided by this utility model have the following beneficial effects:

[0038] (1) By setting the valve shell and the first valve core in the drain valve as hardware, no harmful substances are released when hot water flows into the drain channel, thus ensuring the safety and hygiene of the hot water and reducing the risk of odor.

[0039] (2) By setting the partition and shaft in the drain valve to be hardware parts and the second valve core to be silicone parts, the material in contact with boiling water is also guaranteed to be free of plastic material, thus ensuring the safety and hygiene of boiling water and reducing the generation of odor.

[0040] (3) By splitting the valve body into a cylinder, an upper cover plate and a lower cover plate, it is not only convenient to process the parts, but also convenient to replace and repair them individually when the parts are worn or aged. Attached Figure Description

[0041] Figure 1 is a schematic diagram of the structure of the water valve according to an embodiment of the present invention;

[0042] Figure 2 is an explosion diagram of the water valve according to an embodiment of this utility model;

[0043] Figure 3 is a schematic diagram of the structure of the first valve core in the water valve according to an embodiment of the present invention;

[0044] Figure 4 is a cross-sectional schematic diagram of the water valve according to an embodiment of the present invention;

[0045] Figure 5(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k) is a flowchart of the assembly process of the water valve in an embodiment of this utility model;

[0046] Figure 6 is a partial structural diagram of the hot water bottle according to Embodiment 2 of this utility model.

[0047] The meanings of the reference numerals in the attached figures are as follows:

[0048] 1. Drain valve; 11. Valve housing; 111. Cylinder; 1111. First flange; 1112. Limiting protrusion ring; 112. Upper cover plate; 1121. Fourth flange; 1122. Second through hole; 113. Lower cover plate; 1131. Water outlet; 1132. Third flange; 12. Sealing ring; 13. First valve core; 131. Main body; 132. Cover plate; 1321. Second flange; 14. First elastic element; 15. Spacer; 151. First through hole; 16. Second valve core; 17. Second elastic element; 18. Shaft; 191. Lower housing; 192. Upper housing; 1921. Protrusion edge; 2. Base; 21. Receiving groove; 22. Lower coupler. Detailed Implementation

[0049] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings.

[0050] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the module or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0051] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0052] Example 1

[0053] Referring to Figures 1-5, this utility model provides a safe and hygienic drain valve 1, including a valve housing 11, a sealing ring 12, and a first valve core assembly. The valve housing 11 has a drain channel formed inside. The sealing ring 12 is disposed at the top inlet of the drain channel. The first valve core assembly includes a first valve core 13 and a first elastic member 14. The first valve core 13 is movably disposed in the drain channel. The first elastic member 14 is disposed in the drain channel and one end of it abuts against the first valve core 13. Under the elastic force of the first elastic member 14, the first valve core 13 can be driven to abut against the sealing ring 12 to seal the inlet. When the first valve core 13 is driven to overcome the elastic force of the first elastic member 14 and move until the first valve core 13 disengages from the sealing ring 12, the inlet of the drain channel is opened.

[0054] Both the valve housing 11 and the first valve core 13 are metal parts. Preferably, both the valve housing 11 and the first valve core 13 are made of stainless steel.

[0055] Therefore, by setting the valve shell 11 and the first valve core 13 in the drain valve 1 as hardware components, no harmful substances are released when hot water flows into the drain channel, thus ensuring the safety and hygiene of the hot water and reducing the risk of odor generation.

[0056] Referring again to Figures 2-4, the system also includes a partition 15 disposed within the drain channel. This partition 15 divides the drain channel into a first drain channel and a second drain channel arranged vertically. The first valve core assembly is disposed within the first drain channel. The partition 15 has a first through hole 151 that connects the first drain channel and the second drain channel respectively. The second drain channel contains a second valve core assembly, which can seal or open the first through hole 151 to achieve isolation or connection between the first drain channel and the second drain channel.

[0057] Preferably, the partition 15 is a bottom cover, and the bottom cover is a hardware component; preferably, the bottom cover is made of stainless steel.

[0058] More specifically, the second valve core assembly includes a second valve core 16 movably disposed within the second drain channel and a second elastic member 17 with one end abutting against the second valve core 16. Under the elastic force of the second elastic member 17, the second valve core 16 can be driven to abut against the first through hole 151 and seal it. Preferably, the first elastic member 14 is a spring, with one end abutting against the first valve core 13 and the other end abutting against the top of the second valve core 16; the second elastic member 17 is also a spring, with one end abutting against the bottom of the second valve core 16, wherein the elastic force of the second elastic member 17 is greater than the elastic force of the first elastic member 14, so that the second valve core 16 can abut against the first through hole 151 under the action of the elastic force.

[0059] Therefore, when the first valve core 13 is driven to overcome the elastic force of the first elastic member 14 and move to disengage from the sealing ring 12, the inlet of the drain channel is opened; subsequently, when the first valve core 13 continues to move and abuts against the second valve core 16 to drive the second valve core 16 to overcome the elastic force of the second elastic member 17 and move, the first through hole 151 is opened to connect the first drain channel and the second drain channel.

[0060] The second valve core 16 is a silicone pad.

[0061] In addition, it also includes a shaft 18 disposed in the drain channel and fixedly connected to the valve housing 11, the shaft 18 being disposed through the first through hole 151; the first valve core 13 and the second valve core 16 are both sleeved on the shaft 18 and can move along the axial direction of the shaft 18.

[0062] The shaft 18 is a hardware component; preferably, the shaft 18 is made of stainless steel.

[0063] Therefore, by making the partition 15 and shaft 18 in the drain valve 1 into metal parts and the second valve core 16 into silicone parts, it is ensured that the materials in contact with boiling water are free of plastic materials, thus ensuring the safety and hygiene of boiling water and reducing the generation of odors.

[0064] Referring again to Figures 2-4, the valve housing 11 includes a hollow cylinder 111 with openings at both ends, an upper cover plate 112 disposed above the top of the cylinder 111, and a lower cover plate 113 disposed at the bottom of the cylinder 111. There is a gap between the upper cover plate 112 and the top of the cylinder 111 to form a mounting groove, and the sealing ring 12 is installed in the mounting groove. The upper cover plate 112 has a second through hole 1122, which is connected to the inner side of the sealing ring 12 and the top opening of the cylinder 111 to form a water inlet. The lower cover plate 113 seals the bottom opening of the cylinder 111, and the lower cover plate 113 has a water outlet hole 1131 that connects to the inside of the cylinder 111. The bottom end of the shaft 18 is fixed to the lower cover plate 113.

[0065] Therefore, by disassembling the valve housing 11 into the cylinder 111, the upper cover plate 112, and the lower cover plate 113, it is not only convenient to process the parts, but also convenient to replace and repair them individually when they wear out or age.

[0066] The first valve core 13 includes a sleeve-shaped main body 131 and a cover plate 132 surrounding the main body 131. The main body 131 is sleeved on the shaft 18. The first elastic member 14 is sleeved on the main body 131 and one end abuts against the cover plate 132. The top edge of the cylinder 111 is bent inward to form a first flange 1111, and the bottom edge of the cover plate 132 is bent outward to form a bent second flange 1321. Under the elastic force of the first elastic member 14, the second flange 1321 can be driven to abut against the first flange 1111 to achieve limiting and fixing.

[0067] Furthermore, the bottom edge of the lower cover plate 113 is bent outward to form a third flange 1132, and the bottom of the cylinder 111 and the bottom of the spacer 15 abut against the third flange 1132 to achieve limiting and fixing; wherein, the middle part of the cylinder 111 is concave to form a limiting protrusion ring 1112, and the limiting protrusion ring 1112 abuts against the spacer 15 to limit and fix the spacer 15.

[0068] Additionally, it includes a lower shell 191 that is fitted around the outer periphery of the cylinder 111 from bottom to top. The bottom of the lower shell 191 is provided with a groove, and the bottom of the cylinder 111, the bottom of the partition 15, and the third flange 1132 are all disposed in the groove. Furthermore, it includes an upper shell 192 that is fitted around the outer periphery of the lower shell 191 from top to bottom. The top of the upper shell 192 is provided with an inclined protruding edge 1921. The bottom edge of the upper cover plate 112 is bent outward to form a fourth flange 1121. The protruding edge 1921 abuts against the fourth flange 1121 to limit and fix the upper cover plate 112.

[0069] Referring to Figures 5(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k), the assembly process of the drain valve 1 is as follows:

[0070] First, remove the lower housing 191. Then, rivet and fix the shaft 18 to the lower cover plate 113 as a whole, and insert it from top to bottom into the groove of the lower housing 191 to achieve limiting and fixing. Next, put the second elastic element 17, the second valve core 16, and the spacer 15 on the shaft 18. The bottom of the spacer 15 abuts against the third flange 1132 to achieve limiting. Next, put the first elastic element 14 and the first valve core 13 on the shaft 18. Then, insert the cylinder 111 into the lower housing 191 until the bottom of the cylinder 111 abuts against the third flange 1132 to achieve limiting. At this time, the cylinder 111... The first flange 1111 can abut against the second flange 1321 of the first valve core 13 to limit and fix the first valve core 13. At the same time, the limiting protrusion ring 1112 on the cylinder 111 can abut against the spacer 15 to limit and fix the spacer 15. Then, the sealing ring 12 is sleeved on the outer periphery of the first valve core 13, and then the upper cover plate 112 is placed on the sealing ring 12. Finally, the upper housing 192 is sleeved on the outer periphery of the lower housing 191 from top to bottom, and the protrusion 1921 abuts against the fourth flange 1121 of the upper cover plate 112 to limit and fix the upper cover plate 112. The assembly is thus completed.

[0071] Example 2

[0072] Referring to Figure 6, this utility model also provides a thermos, including a base 2 and an inner liner. The base 2 has a receiving groove 21, and the inner liner can be detachably placed in the receiving groove 21. A lower coupler 22 is installed at the bottom of the receiving groove 21, and the drain valve 1 of the above embodiment 1 is provided in the middle of the lower coupler 22.

[0073] In summary, the safe and hygienic drain valve 1 and the hot water bottle containing it provided by this utility model have the following beneficial effects:

[0074] (i) By setting the valve shell 11 and the first valve core 13 in the drain valve 1 as hardware, no harmful substances are released when hot water flows into the drain channel, thus ensuring the safety and hygiene of the hot water and reducing the risk of odor.

[0075] (ii) By setting the partition 15 and shaft 18 in the drain valve 1 to be hardware parts and the second valve core 16 to be silicone parts, the material in contact with boiling water is also guaranteed to be free of plastic material, thus ensuring the safety and hygiene of boiling water and reducing the generation of odor.

[0076] (iii) By disassembling the valve body 11 into a cylinder 111, an upper cover plate 112 and a lower cover plate 113, it is not only convenient to process the parts, but also convenient to replace and repair them individually when the parts are worn or aged.

[0077] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on the other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.

[0078] It should be understood that the terms "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the module or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0079] Furthermore, in the description of this utility model, "multiple" and "several" mean two or more, unless otherwise explicitly specified.

[0080] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A safe and hygienic drain valve, characterized in that, include: The valve housing has a drainage channel inside. A sealing ring is provided at the inlet of the drain channel; The first valve core assembly includes a first valve core and a first elastic element. The first valve core is movably disposed within the drain channel. The first elastic element is disposed within the drain channel and one end of it abuts against the first valve core. Under the elastic force of the first elastic element, the first valve core can be driven to abut against the sealing ring to seal the water inlet. Both the valve housing and the first valve core are metal parts.

2. The drain valve according to claim 1, characterized in that, It also includes a partition disposed within the drain channel, the partition dividing the drain channel into a first drain channel and a second drain channel, wherein: the first valve core assembly is disposed within the first drain channel; the partition has a first through hole respectively connecting the first drain channel and the second drain channel, the second drain channel is provided with a second valve core assembly, the second valve core assembly can seal or open the first through hole to achieve isolation or connection between the first drain channel and the second drain channel; wherein, the partition is a hardware component.

3. The drain valve according to claim 2, characterized in that, The second valve core assembly includes a second valve core movably disposed within the second drain channel and a second elastic member with one end abutting against the second valve core. Under the elastic force of the second elastic member, the second valve core can be driven to abut against the first through hole and seal it. The other end of the first elastic member abuts against the second valve core, and the elastic force of the second elastic member is greater than that of the first elastic member. When the first valve core is driven to overcome the elastic force of the first elastic member and move to disengage from the sealing ring, the inlet of the drain channel is opened. Subsequently, when the first valve core continues to move and abut against the second valve core to drive the second valve core to overcome the elastic force of the second elastic member and move, the first through hole is opened to connect the first drain channel and the second drain channel. The second valve core is a silicone component.

4. The drain valve according to claim 3, characterized in that, It also includes a shaft disposed in the drain channel and fixedly connected to the valve housing, wherein: the shaft passes through the first through hole; the first valve core and the second valve core are both sleeved on the shaft and can move along the axial direction of the shaft; the shaft is a hardware component.

5. The drain valve according to claim 4, characterized in that, The valve housing includes a hollow cylinder with openings at both ends, an upper cover plate disposed above the top of the cylinder, and a lower cover plate disposed at the bottom of the cylinder, wherein: there is a gap between the upper cover plate and the top of the cylinder to form a mounting groove, and the sealing ring is installed in the mounting groove; a second through hole is provided on the upper cover plate, and the second through hole, the inner side of the sealing ring, and the top opening of the cylinder are all connected to form the water inlet; the lower cover plate seals the bottom opening of the cylinder, and a water outlet hole communicating with the interior of the cylinder is provided on the lower cover plate; the bottom end of the shaft is fixed on the lower cover plate.

6. The drain valve according to claim 5, characterized in that, The first valve core includes a sleeve-shaped main body and a cover plate portion surrounding the main body. The main body is sleeved on the shaft. The first elastic element is sleeved on the main body and one end abuts against the cover plate portion. The top edge of the cylinder is bent inward to form a first flange, and the bottom edge of the cover plate portion is bent outward to form a bent second flange. Under the elastic force of the first elastic element, the second flange can be driven to abut against the first flange to achieve limiting and fixing.

7. The drain valve according to claim 5, characterized in that, The bottom edge of the lower cover plate is bent outward to form a third flange. The bottom of the cylinder and the bottom of the partition abut against the third flange to achieve limiting and fixing. The middle part of the cylinder is concave to form a limiting protrusion ring. The limiting protrusion ring abuts against the partition to limit and fix the partition.

8. The drain valve according to claim 7, characterized in that, It also includes a lower shell that is fitted around the outer periphery of the cylinder from bottom to top. The bottom of the lower shell is provided with a groove, and the bottom of the cylinder, the bottom of the partition, and the third flange are all disposed in the groove.

9. The drain valve according to claim 8, characterized in that, It also includes an upper shell that is fitted from top to bottom around the outer periphery of the lower shell. The top of the upper shell has a protruding edge, and the bottom edge of the upper cover plate is bent outward to form a fourth flange. The protruding edge abuts against the fourth flange to limit and fix the upper cover plate.

10. A thermos, characterized in that, The device includes a base and an inner liner, wherein: a receiving groove is provided in the base, and the inner liner is detachably placed in the receiving groove; a lower coupler is installed at the bottom of the receiving groove, and a drain valve as described in any one of claims 1-9 is provided in the lower coupler.

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