Bubble water machine with low-pressure mode

Abstract

The utility model discloses a sparkling water machine with a low-pressure mode. The sparkling water machine comprises a main machine, an air path main body, an exhaust cavity, a pressure feedback shutdown structure, an active exhaust valve body, an exhaust hole and an elastic sealing piece. After bubble water is prepared, carbon dioxide gas in the water bottle can be directly and completely exhausted through the active exhaust valve body, and therefore the water bottle can be directly taken out. If the user does not need to drink directly after preparation, active exhaust can be not performed through the active exhaust valve body, high-pressure carbon dioxide gas can jack up the elastic sealing piece through the exhaust hole so as to be exhausted, and finally the water bottle enters a low-pressure mode in which the carbon dioxide gas concentration is relatively low; due to the fact that certain carbon dioxide pressure is still kept in the water bottle, carbon dioxide in the bubble water is not prone to being separated out, the concentration of the bubble water can be guaranteed, and when drinking is needed, residual pressure can be discharged through the active exhaust valve body.

Description

Technical Field

[0001] The utility model relates to the field of sparkling water machines, in particular to a sparkling water machine provided with a low-pressure mode. Background Art

[0002] A sparkling water machine is a device for preparing sparkling water. Such products generally include a main body and a water bottle. Water is filled into the water bottle and then installed on the main body. A carbon dioxide gas cylinder and an air path main body are arranged in the main body. An air nozzle extending into the water bottle is arranged on the air path main body. By controlling the opening of the carbon dioxide gas cylinder, high-pressure carbon dioxide gas is injected into the water in the water bottle through the air nozzle. When injecting carbon dioxide gas, the inside of the water bottle is in a high-pressure state. Then, the excess carbon dioxide gas in the water bottle needs to be discharged before the water bottle can be removed. However, when users prepare sparkling water, they often do not need to drink the sparkling water immediately. If the high-pressure carbon dioxide gas in the water bottle is directly discharged after preparation, as time and temperature change, the carbon dioxide in the sparkling water in the water bottle will continuously precipitate, resulting in a low carbonic acid concentration and poor taste when it is time to drink. If the air is not exhausted after preparation but before drinking, it will cause the water bottle to be under excessive pressure all the time, requiring a high quality of the water bottle. Over time, the water bottle and its interface are likely to be damaged. Content of the Utility Model

[0003] To solve the above problems, the purpose of the utility model is to provide a sparkling water machine provided with a low-pressure mode, so that when the sparkling water machine is in a non-exhaust state, the carbon dioxide gas in the water bottle will gradually be discharged to a relatively low concentration.

[0004] The technical solution adopted by the utility model to solve the problem is: a sparkling water machine provided with a low-pressure mode, comprising:

[0005] A main body, on which an installation head and an air path main body located inside the installation head are arranged. An installation position and an air nozzle located inside the installation position are arranged on the air path main body. An exhaust cavity is arranged inside the air path main body. An exhaust passage located inside the installation position and communicating with the exhaust cavity is arranged on the air path main body. At least one exhaust hole communicating with the exhaust cavity is arranged on the surface of the air path main body. A pressure feedback shutdown structure and an active exhaust valve body are also arranged on the air path main body;

[0006] An elastic seal, which is arranged on the outer surface of the air path main body and covers the exhaust hole. The sealing air pressure of the elastic seal for the exhaust hole is less than the set air pressure value of the pressure feedback shutdown structure.

[0007] As a further improvement of the above technical solution, a cylinder is provided on the outer surface of the air path main body, the exhaust cavity is arranged inside the cylinder, the exhaust hole is arranged on the surface of the cylinder, and the elastic seal is an annular seal sleeve sleeved on the surface of the cylinder.

[0008] As a further improvement of the above technical solution, the pressure feedback shutdown structure includes:

[0009] A valve hole arranged at the end of the cylinder and communicating with the exhaust cavity;

[0010] A valve body arranged in the exhaust cavity, the valve body includes a sealing valve head and a driving valve rod at the end of the sealing valve head, the driving valve rod is located in the valve hole, a return spring for driving the valve body to move to control the sealing valve head to close the end of the exhaust passage is arranged in the exhaust cavity, and a seal is arranged on the valve body for sealing the valve hole;

[0011] An air inlet main body cooperating with a carbon dioxide gas cylinder is arranged in the main machine, a pressing thimble is arranged on the air inlet main body, a pressure lever is pivotally connected to the top of the air inlet main body and is located above the pressing thimble, the pressing thimble is pressed during the swinging process of the pressure lever, and a hook hole or a hook body is arranged at the front end of the air inlet main body;

[0012] An air filling buckle rod, the middle of the air filling buckle rod is pivotally connected inside the main machine, a hook body or a hook hole cooperating with the air inlet main body is arranged at the top of the air filling buckle rod, the hook body is used for hooking the hook hole, and the bottom of the air filling buckle rod is a control end, and the control end faces the valve hole.

[0013] As a further improvement of the above technical solution, the aperture size of the end of the exhaust passage is one-half to one-sixth of the aperture size of the exhaust cavity.

[0014] As a further improvement of the above technical solution, the cylinder includes a main part integrally formed on the air path main body, the exhaust cavity is arranged inside the main part, the end of the main part is an installation hole communicating with the exhaust cavity, an end cover is detachably screwed on the installation hole, and the valve hole is arranged on the end cover.

[0015] As a further improvement of the above technical solution, the sealing pressure of the elastic seal on the exhaust hole is 0.2 Mpa - 0.5 Mpa.

[0016] As a further improvement of the above technical solution, the area of the exhaust hole is less than 10 square millimeters.

[0017] The beneficial effects of the present utility model are as follows: Through the pressure feedback shutdown structure, during the process of preparing sparkling water, when the pressure inside the water bottle reaches the set value, the gas injection operation stops. After the sparkling water is prepared, the carbon dioxide gas inside the water bottle can be completely discharged directly through the active exhaust valve body, so that the water bottle can be removed after the user finishes preparation. If the user does not need to drink directly after preparation, the active exhaust can be not carried out through the active exhaust valve body. The high-pressure carbon dioxide gas inside the water bottle will push up the elastic seal through the exhaust hole, so the excess carbon dioxide gas will be discharged. Eventually, the water bottle enters a low-pressure mode with a relatively low carbon dioxide concentration. Since a certain carbon dioxide pressure is still maintained inside the water bottle at this time, the carbon dioxide in the sparkling water is not easily precipitated, thus ensuring the concentration of the sparkling water. When it is necessary to drink, the remaining residual pressure can be discharged through the active exhaust valve body again. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present utility model will be further explained below in conjunction with the description of the drawings and the specific embodiments.

[0019] Figure 1 is a schematic structural diagram of a preferred embodiment of the present utility model;

[0020] Figure 2 is Figure 1 a cross-sectional structural diagram taken along the A-A direction of

[0021] Figure 3 a schematic structural diagram of the gas path main body;

[0022] Figure 4 is an exploded view of the gas path main body. SPECIFIC EMBODIMENTS

[0023] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The role of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be construed as a limitation on the protection scope of the present utility model.

[0024] In the description of the present utility model, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc., is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the present utility model.

[0025] In the description of the present utility model, the meaning of "several" is one or more, the meaning of "multiple" is more than two, and understandings such as "greater than", "less than", and "exceeding" do not include the corresponding number, while understandings such as "above", "below", and "within" include the corresponding number. If there is a description of "first" and "second", it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0026] In the description of the present utility model, unless otherwise clearly defined, words such as "set", "installed", and "connected" should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.

[0027] Referring to Figures 1 to 4 , a sparkling water machine provided with a low-pressure mode, comprising:

[0028] A main body 10, on which there is an installation head and an air path main body 20 located inside the installation head. An installation position 22 and a gas nozzle 21 located inside the installation position 22 are provided on the air path main body 20. An exhaust cavity 24 is provided inside the air path main body 20. An exhaust passage 241 located inside the installation position 22 and communicating with the exhaust cavity 24 is provided on the air path main body 20. At least one exhaust hole 231 communicating with the exhaust cavity 24 is provided on the surface of the air path main body 20. A pressure feedback shutdown structure and an active exhaust valve body are also provided on the air path main body 20;

[0029] An elastic seal, which is arranged on the outer surface of the air path main body 20 to cover the exhaust hole 231, and the sealing air pressure of the elastic seal for the exhaust hole 231 is less than the set air pressure value of the pressure feedback shutdown structure.

[0030] Through the pressure feedback shutdown structure, during the process of preparing sparkling water, when the pressure in the water bottle reaches the set value, the gas filling operation will stop. After the sparkling water is prepared, the carbon dioxide gas in the water bottle can be directly discharged completely through the active exhaust valve body, so that the water bottle can be removed after the user finishes preparation. If the user does not need to drink directly after preparation, the active exhaust can be not carried out through the active exhaust valve body. At this time, the high-pressure carbon dioxide gas in the water bottle will push up the elastic seal through the exhaust hole 231 to discharge the excess carbon dioxide gas, and finally the water bottle enters the low-pressure mode with a relatively low carbon dioxide gas concentration (the low here is compared with the standard value when the sparkling water is prepared in the water bottle). At the same time, since a certain carbon dioxide pressure is still maintained in the water bottle, the carbon dioxide in the sparkling water is not easy to precipitate, so as to ensure the concentration of the sparkling water. When it is needed to drink, the remaining residual pressure can be discharged through the active exhaust valve body.

[0031] For further optimization, preferably, a cylinder 23 is provided on the outer surface of the air passage main body 20, the exhaust cavity 24 is arranged inside the cylinder 23, the exhaust hole 231 is arranged on the surface of the cylinder 23, and the elastic seal is an annular seal sleeve 30 sleeved on the surface of the cylinder 23, so that the whole structure is simpler and more stable.

[0032] For further optimization, preferably, the pressure feedback shutdown structure is combined with the exhaust cavity 24, so that the overall structure is simpler.

[0033] The pressure feedback shutdown structure includes:

[0034] A valve hole arranged at the end of the cylinder 23 and communicating with the exhaust cavity 24;

[0035] A valve body arranged in the exhaust cavity 24, the valve body includes a sealing valve head 25 and a driving valve stem 26 located at the end of the sealing valve head 25, the driving valve stem 26 is located in the valve hole, a return spring for driving the valve body to move to control the sealing valve head 25 to close the end of the exhaust passage 241 is arranged in the exhaust cavity 24, and a seal is arranged on the valve body for sealing the valve hole;

[0036] An air intake main body cooperating with a carbon dioxide gas cylinder is arranged in the main machine 10, a pressing thimble is arranged on the air intake main body, a pressing air pressure lever 40 located above the pressing thimble is pivotally connected to the top of the air intake main body, the pressing air pressure lever 40 presses the pressing thimble during the swinging process, and a hook hole 41 or a hook body 51 is arranged at the front end of the air intake main body;

[0037] An air filling buckle lever 50, the middle part of the air filling buckle lever 50 is pivotally connected inside the main machine 10, a hook body 51 or a hook hole 41 cooperating with the air intake main body is arranged at the top of the air filling buckle lever 50, the hook body 51 is used for hooking the hook hole 41, and the bottom of the air filling buckle lever 50 is a control end 52, and the control end 52 faces the valve hole.

[0038] In this solution, preferably, the aperture size of the end of the exhaust passage 241 is one-half to one-sixth of the aperture size of the exhaust cavity 24, so that there is a large difference between the starting pressure for pushing the valve body and the pressure when the valve body moves to the end point.

[0039] In this solution, preferably, the sealing pressure of the elastic seal on the exhaust hole 231 is 0.2 Mpa - 0.5 Mpa.

[0040] Illustrate the above structure with data: In a design state of this solution, when refueling, the inlet pressure lever 40 presses down, causing the ejector pin to open the carbon dioxide gas cylinder for inlet operation. At this time, the hook hole 41 on the inlet pressure lever 40 engages with the hook body 51 on the refueling buckle lever 50, enabling continuous inlet. When the pressure in the water bottle reaches 0.2 Mpa, the valve stem has been pushed to release the seal of the exhaust passage 241. At this time, the exhaust hole 231 is already in a state of being connected to the exhaust passage 241. When the pressure in the water bottle reaches 0.8 Mpa, it means that the sparkling water preparation is completed. The carbon dioxide gas pressure of 0.8 Mpa is transmitted to the exhaust cavity, completely pushing the valve body, causing the driving valve stem 26 to fully extend outside the valve hole and then pressing the refueling buckle lever 50. At this time, the hook body 51 disengages from the hook hole 41, and the inlet pressure lever 40 resets, causing the pressing ejector pin to no longer open the carbon dioxide gas cylinder, thus stopping the inlet. At this time, the air pressure in the water bottle is 0.8 Mpa, and the sealing pressure of the annular seal 30 on the exhaust hole 231 is 0.4 Mpa. Therefore, the air pressure in the water bottle will continuously lift the annular seal 30 to facilitate the discharge of excess carbon dioxide gas. After the exhaust hole 231 completes the exhaust, the air pressure in the water bottle is in the carbon dioxide gas pressure of 0.4 Mpa. At this time, the pressure on the water bottle is relatively small, and the carbonic acid concentration in the sparkling water can also be maintained.

[0041] For further optimization, it is preferably that the column body includes a main part integrally formed on the gas path main body. The exhaust cavity 24 is arranged inside the main part. The end of the main part is an installation hole connected to the exhaust cavity 24. A end cover is detachably screwed on the installation hole, and the valve hole is arranged on the end cover, which is convenient for assembly.

[0042] In other embodiments, the pressure feedback shutdown structure may include: a pressure measurement cavity arranged on the gas path main body 20 for communicating with the water bottle. A pressure sensor is arranged in the pressure measurement cavity. In this embodiment, the main engine inlet is controlled by a motor, and the motor is electrically connected to the pressure sensor. Thus, when the pressure sensor senses that the air pressure in the water bottle reaches the standard value, the motor is controlled to reset to stop the inlet.

[0043] The pressure feedback shutdown structure is a standard structure on the sparkling water machine, and its purpose is to control the inlet volume of the sparkling water machine. Therefore, it will not be elaborated in detail in this solution.

[0044] In this solution, for further optimization, it is preferably that the area of the exhaust hole 231 is less than 10 square millimeters, so that the exhaust process is relatively slow.

[0045] The above are only the preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structural transformation made under the inventive concept of the present utility model by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, is included in the patent protection scope of the present utility model.

Claims

1. A sparkling water machine provided with a low-pressure mode, characterized in that, Comprising: A main body (10), on which there is an installation head and an air path main body (20) located inside the installation head. On the air path main body (20), there is an installation position (22) and an air nozzle (21) located inside the installation position (22). An exhaust cavity (24) is arranged inside the air path main body (20). An exhaust passage (241) which is located inside the installation position (22) and communicates with the exhaust cavity (24) is arranged on the air path main body (20). At least one exhaust hole (231) which communicates with the exhaust cavity (24) is arranged on the surface of the air path main body (20). A pressure feedback shutdown structure and an active exhaust valve body are also arranged on the air path main body (20); An elastic seal, which is arranged on the outer surface of the air path main body (20) and covers the exhaust hole (231), and the sealing air pressure of the elastic seal on the exhaust hole (231) is less than the set air pressure value of the pressure feedback shutdown structure.

2. A bubble water machine with a low-pressure mode as described in claim 1, characterized in that: A cylinder body (23) is arranged on the outer surface of the air path main body (20). The exhaust cavity (24) is arranged inside the cylinder body (23). The exhaust hole (231) is arranged on the surface of the cylinder body (23). The elastic seal is an annular seal sleeve (30) sleeved on the surface of the cylinder body (23).

3. A bubble water machine with a low-pressure mode as described in claim 2, characterized in that: The pressure feedback shutdown structure includes: A valve hole arranged at the end of the cylinder body (23) and communicating with the exhaust cavity (24); A valve body arranged inside the exhaust cavity (24). The valve body includes a sealing valve head (25) and a driving valve rod (26) located at the end of the sealing valve head (25). The driving valve rod (26) is located in the valve hole. A return spring for driving the valve body to move so as to control the sealing valve head (25) to close the end of the exhaust passage (241) is arranged inside the exhaust cavity (24). A sealing member is arranged on the valve body to seal the valve hole; An air intake main body for cooperating with a carbon dioxide gas cylinder is arranged inside the main body (10). A pressing thimble is arranged on the air intake main body. An air intake pressure lever (40) located above the pressing thimble is pivotally connected to the top of the air intake main body. During the swinging process of the air intake pressure lever (40), the pressing thimble is pressed. A hook hole (41) or a hook body (51) is arranged at the front end of the air intake main body; An air filling buckle lever (50), the middle part of which is pivotally connected inside the main body (10). A hook body (51) or a hook hole (41) for cooperating with the air intake main body is arranged at the top of the air filling buckle lever (50). The hook body (51) is used to hook the hook hole (41). The bottom of the air filling buckle lever (50) is a control end (52), and the control end (52) is opposite to the valve hole.

4. A bubble water machine with a low-pressure mode as described in claim 3, characterized in that: The aperture size of the end of the exhaust passage (241) is one-half to one-sixth of the aperture size of the exhaust cavity (24).

5. A bubble water machine with a low-pressure mode as described in claim 3, characterized in that: The cylinder body includes a main part integrally formed on the gas path main body. The exhaust cavity (24) is arranged inside the main part. The end of the main part is an installation hole communicating with the exhaust cavity (24). A end cover is detachably screwed on the installation hole, and the valve hole is arranged on the end cover.

6. The bubble water machine with a low-pressure mode as described in claim 1, wherein: The sealing pressure of the elastic seal for the exhaust hole (231) is 0.2 Mpa - 0.5 Mpa.

7. The bubble water machine with a low-pressure mode as described in claim 1, wherein: The area of the exhaust hole (231) is less than 10 square millimeters.

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