CN218262031U - Balance water tank and instant heating type drinking equipment thereof - Google Patents
Balance water tank and instant heating type drinking equipment thereof Download PDFInfo
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- CN218262031U CN218262031U CN202221763574.0U CN202221763574U CN218262031U CN 218262031 U CN218262031 U CN 218262031U CN 202221763574 U CN202221763574 U CN 202221763574U CN 218262031 U CN218262031 U CN 218262031U
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Abstract
The utility model relates to the field of water outlet equipment, and discloses a balance water tank and an instant heating type drinking water device thereof, wherein the balance water tank comprises a water tank and an end cover, and the water tank is provided with a water inlet flow passage and a water outlet flow passage; a piston is installed in the water tank, the upper end of the piston and the inner wall of the water tank form a water storage cavity through a sealing element, the lower end of the piston is lifted in the water inlet flow channel and controls the water inlet flow channel and the water storage cavity to be switched on and off, and an air hole communicated with the piston is formed in the end cover. The RO membrane filter element is communicated with a water inlet flow passage of the balance water tank, and the water pump is communicated with a water outlet flow passage of the balance water tank. The water storage cavity in the balance water tank is not directly communicated with the atmosphere, a relatively closed space is formed between the piston and the water tank, the breeding of bacteria in the water tank is reduced, and the peculiar smell in the air is prevented from being dissolved in the water. The piston is communicated with the atmosphere through the vent hole, when the water pump drives the water tank to discharge water, the water storage cavity can form negative pressure, the atmosphere acts on the piston and enables the piston to move downwards, the water inlet flow channel is communicated with the water storage cavity, and the RO membrane filter element conveys purified water into the water storage cavity.
Description
Technical Field
The utility model relates to a water outlet device field especially relates to a balance tank and instant heating type drinking water equipment thereof.
Background
When a consumer needs to take hot water, the flow of the water pump can be controlled by the electric control program of the machine according to the power of the heating unit, the temperature of the inlet water and the temperature of the water required by the consumer. The lower water pressure is crucial to accurately controlling the outlet water temperature.
The household under-kitchen water purifier is connected with a tap water pipe network, and the filtered water can be directly drunk or heated for drinking. However, the water produced by the water purifier has a certain water pressure, which is related to the water source, the water temperature and the performance of the filter element, and the range of the water pressure is usually 0-1MPa. Therefore, the water produced by the water purifier usually needs to pass through a pressure reduction device to be used by the instant heating drinking water device. Such as a water tank (CN 212415495U) with a float switch, which is communicated with the atmosphere and is easy to grow bacteria and dissolve peculiar smell in the air. Besides, CN210266048U has a relatively complex structure and a relatively high cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides a shortcoming among the prior art provides a balance tank and instant heating type drinking water equipment thereof.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
a balance water tank comprises a water tank and an end cover covering the water tank, wherein a water inlet flow passage and a water outlet flow passage are arranged on the water tank; the water tank is internally provided with a piston which can move up and down, the upper end part of the piston forms a water storage cavity with the inner wall of the water tank through a sealing element, the lower end part of the piston moves up and down in the water inlet flow channel and controls the connection and disconnection of the water inlet flow channel and the water storage cavity, and the end cover is provided with an air vent communicated above the piston. The water storage cavity in this balanced water tank can not direct and atmosphere intercommunication, forms a comparatively inclosed space between piston and the water tank, reduces breeding of bacterium in the water tank, avoids the peculiar smell in the air to dissolve to the aquatic. The piston is communicated with the atmosphere through the vent hole, when the water tank discharges water, the water storage cavity can form negative pressure, the atmosphere acts on the piston and enables the piston to move downwards, and the water inlet flow channel is communicated with the water storage cavity and supplies water to the water storage cavity.
Preferably, the piston comprises a plug body and a plug rod, the plug body is lifted in the water tank, and the plug rod extends into the water inlet flow passage. The integral type piston dismouting is efficient, and the cock stem is along with the break-make of the lift high efficiency control rivers of cock body.
Preferably, the water inlet channel comprises a sealing section and a communicating section, a sealing ring is arranged at the end part of the plug rod, and when the plug rod drives the sealing ring to be positioned at the sealing section, the water storage cavity is separated from the water inlet channel; when the plug rod drives the sealing ring to be positioned at the communicating section, the water tank is communicated with the water inlet flow passage. The plug rod drives the sealing ring to lift, so that the sealing ring is positioned at different sections of the water inlet channel, and the water inlet channel is communicated with the water storage cavity.
Preferably, the lower end part of the plug rod is provided with a third sealing groove, the sealing ring is arranged in the third sealing groove, and the radial cross section of the plug rod above the third sealing groove is in a shape like a Chinese character 'yi', a 'cross' or a 'meter'. The third seal groove is used for installing a seal ring, and the seal ring can be guaranteed to lift along with the plug rod. The different shapes of the cross section of the plug rod ensure that the external water can flow into the water storage cavity through the plug rod.
Preferably, the outer side wall of the plug body is provided with a first sealing groove, and the sealing element is installed in the first sealing groove and is connected with the water tank in a sealing mode.
Preferably, the sealing element is a diaphragm type sealing element, the sealing element comprises an inner sealing ring, an outer sealing ring and a diaphragm, the diaphragm is arranged between the inner sealing ring and the outer sealing ring, the inner sealing ring is arranged in the first sealing groove, and the outer sealing ring is arranged between the end cover and the water tank. Diaphragm type sealing member makes the water storage chamber form a comparatively sealed cavity, and diaphragm type sealing member has certain elasticity, and it can be along with the piston goes up and down and takes place to warp, and this kind of sealing member can make the piston need not design into with the general size of water tank inner chamber, material saving reduces the manufacturing cost of piston.
Preferably, an upper sealing groove is formed in the outer edge of the end cover, a lower sealing groove is formed in the port of the water tank, when the end cover covers the water tank, the upper sealing groove and the lower sealing groove form a second sealing groove, and the outer sealing ring is installed in the second sealing groove. The sealing member is pressed tightly on the water tank through the end cover, and the sealing effect is good.
Preferably, the upper end face of the plug body is provided with a groove, the vent hole is communicated with the groove, and the projection shape of the outer contour of the plug body is square or circular. The groove enables the piston to have a larger area to be in contact with the outside atmosphere, and the smoothness of downward movement of the piston is guaranteed.
Preferably, the bottom of the water tank is respectively provided with a water inlet joint and a water outlet joint, the water inlet channel is arranged on the water inlet joint, and the water outlet channel is arranged on the water outlet joint. The water inlet connector and the water outlet connector are convenient for connecting the balance water tank with external equipment.
Instant heating type drinking water equipment, including RO membrane filter core and water pump, still include balance tank, RO membrane filter core and balance tank's water inlet flow way intercommunication, water pump and balance tank's play water flow way intercommunication.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect:
the water storage cavity in the balance water tank is not directly communicated with the atmosphere, a relatively closed space is formed between the piston and the water tank, the breeding of bacteria in the water tank is reduced, and the peculiar smell in the air is prevented from being dissolved in the water. The piston is communicated with the atmosphere through the vent hole, when the water pump drives the water tank to discharge water, the water storage cavity can form negative pressure, the atmosphere acts on the piston and enables the piston to move downwards, the water inlet flow channel is communicated with the water storage cavity, and the RO membrane filter element conveys purified water into the water storage cavity.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic sectional structure of fig. 1.
Fig. 3 is a schematic view of the piston of fig. 2.
Fig. 4 is a schematic view of the structure of the sealing member of fig. 2.
Fig. 5 is a schematic structural view of the end cap of fig. 1.
Fig. 6 is a schematic view of the structure of the water tank of fig. 1.
The names of the parts designated by the numerical references in the above figures are as follows:
1-water tank, 11-water inlet flow passage, 12-water outlet flow passage, 13-lower sealing groove, 14-water inlet joint, 15-water outlet joint, 111-sealing section and 112-communicating section
2-end cap, 21-vent hole, 22-upper sealing groove
3-piston, 31-plug body, 32-plug rod, 311-first sealing groove, 312-groove, 321-third sealing groove
4-sealing element, 41-inner sealing ring, 42-outer sealing ring, 43-diaphragm
5-sealing ring
100-water storage chamber
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1-6 and examples.
Example 1
A balance water tank comprises a water tank 1 and an end cover 2 covering the water tank 1, wherein the end cover 2 is fixedly connected with the water tank 1 through screws. The water tank 1 is provided with a water inlet flow passage 11 and a water outlet flow passage 12, purified water can flow into the water tank 1 through the water inlet flow passage 11, and the water outlet flow passage 12 discharges the purified water in the water tank 1. The water storage device is characterized in that a piston 3 capable of ascending and descending is installed in the water tank 1, the upper end of the piston 3 and the inner wall of the water tank 1 form a water storage cavity 100 through a sealing element 4, the lower end of the piston 3 is lifted in the water inlet flow channel 11 and controls the connection and disconnection of the water inlet flow channel 11 and the water storage cavity 100, an air vent 21 communicated to the upper portion of the piston 3 is formed in the end cover 2, and the air vent 21 enables a cavity between the piston 3 and the end cover 2 to be communicated. When in use, the water inlet flow passage 11 is connected with a water purifier or other water sources with the water pressure range of 0-1MPa. If the device needs no water (the water outlet channel 12 does not flow water), the volume of the water storage cavity 100 of the balance water tank is increased, the piston 3 ascends, and the connection between the water storage cavity 100 and the water inlet channel 11 is closed. When water is needed, the water pump works, the water storage cavity 100 generates negative pressure, the piston 3 moves downwards to be communicated with the water inlet channel 11 and the water storage cavity 100, so that water in the water inlet channel 11 enters the water storage cavity 100, and a gap is reserved between the lower end face of the piston 3 and the bottom face of the water storage cavity 100, wherein the gap can be caused by a bulge or the shape of the lower end face of the piston 3.
The piston 3 is an integrated piston, the piston 3 comprises a plug body 31 and a plug rod 32, the plug body 31 is lifted in the water tank 1, and the plug rod 32 extends into the water inlet flow passage 11.
The water inlet channel 11 includes a sealing section 111 and a communicating section 112, the sealing section 111 is a cylindrical channel, and the port width of the communicating section 112 is greater than the inner diameter of the sealing section 111. The end of the plug rod 32 is provided with a sealing ring 5, and when the plug rod 32 drives the sealing ring 5 to be positioned at the sealing section 111, the water storage cavity 100 is isolated from the water inlet runner 11; when the plug rod 32 drives the sealing ring 5 to the communicating section 112, the water storage cavity 100 is communicated with the water inlet channel 11.
The lower end of the plug rod 32 is provided with a third sealing groove 321, the sealing ring 5 is arranged in the third sealing groove 321, and the radial cross section of the plug rod 32 above the third sealing groove 321 is in a shape of a Chinese character 'yi'.
The outer side wall of the plug body 31 is provided with a first sealing groove 311, the sealing element 4 is installed in the first sealing groove 311 and is connected with the water tank 1 in a sealing manner, and the sealing element 4 of the embodiment is directly sealed on the side wall of the water tank 1.
The upper end surface of the plug body 31 is provided with a groove 312, the groove 312 is a square groove, the vent hole 21 is communicated with the groove 312, the projection shape of the outer contour of the plug body 31 is square in the embodiment, and the outer contour of the plug body 31 can be designed to be round in other embodiments.
The bottom of the water tank 1 is respectively provided with a water inlet joint 14 and a water outlet joint 15, the water inlet flow passage 11 is arranged on the water inlet joint 14, and the water outlet flow passage 12 is arranged on the water outlet joint 15. The water inlet joint 14 and the water outlet joint 15 are convenient for connecting the balance water tank with external equipment.
Example 2
Example 3
Embodiment 3 has substantially the same features as embodiment 1 except that the stopper rod 32 above the third seal groove 321 has a radial cross-sectional shape of a "m" shape.
Example 4
Embodiment 4 has substantially the same features as embodiment 1, 2 or 3, except that the sealing member 4 is a diaphragm type sealing member made of rubber material, the sealing member 4 is formed integrally, the sealing member 4 is annular, the sealing member 4 includes an inner sealing ring 41, an outer sealing ring 42 and a diaphragm 43, the diaphragm 43 is arranged between the inner sealing ring 41 and the outer sealing ring 42, the diaphragm 43 is in a square horn shape, the inner sealing ring 41 is arranged at a small port of the diaphragm 43, and the outer sealing ring 42 is arranged at a large port of the diaphragm 43. An inner sealing ring 41 is installed in the first sealing groove 311, and an outer sealing ring 42 is installed between the head cover 2 and the water tank 1. The diaphragm type sealing element enables the water storage cavity 100 to form a relatively sealed cavity body, the diaphragm type sealing element has certain elasticity, the diaphragm type sealing element can deform along with the lifting of the piston 3, the sealing element 4 enables the piston 3 not to be designed into the size similar to that of the inner cavity of the water tank 1, materials are saved, and the manufacturing cost of the piston 3 is reduced.
The 2 outward flanges of end cover are equipped with upper seal groove 22, and 1 port department of water tank is equipped with lower seal groove 13, and upper seal groove 22 and lower seal groove 13 all are the ring channel, and when 2 lids of end cover closed on water tank 1, upper seal groove 22 and lower seal groove 13 formed the second seal groove, and outer seal ring 42 is installed in the second seal groove, and outer seal ring compresses tightly on water tank 1 through end cover 2, and is sealed effectual.
Example 5
The embodiment 5 is basically the same as the embodiment 1 or 2 or 3 or 4 in characteristics, and is different from the embodiment in that the instant heating type drinking equipment comprises an RO membrane filter element and a water pump, and further comprises a balance water tank, wherein the RO membrane filter element is communicated with a water inlet flow channel 11 of the balance water tank, and the water pump is communicated with a water outlet flow channel 12 of the balance water tank.
Claims (10)
1. A balance water tank comprises a water tank (1) and an end cover (2) covered on the water tank (1), wherein a water inlet flow passage (11) and a water outlet flow passage (12) are arranged on the water tank (1); the method is characterized in that: the water storage device is characterized in that a piston (3) capable of ascending and descending up and down is installed in the water tank (1), the upper end of the piston (3) forms a water storage cavity (100) with the inner wall of the water tank (1) through a sealing piece (4), the lower end of the piston (3) ascends and descends in the water inlet flow channel (11) and controls the water inlet flow channel (11) and the water storage cavity (100) to be switched on and off, and an air vent (21) communicated with the upper portion of the piston (3) is formed in the end cover (2).
2. The balance tank as claimed in claim 1, wherein: the piston (3) comprises a plug body (31) and a plug rod (32), the plug body (31) is lifted in the water tank (1), and the plug rod (32) extends into the water inlet flow passage (11).
3. The balance tank as claimed in claim 2, wherein: the water inlet flow channel (11) comprises a sealing section (111) and a communicating section (112), a sealing ring (5) is installed at the end part of the plug rod (32), and when the plug rod (32) drives the sealing ring (5) to be located at the sealing section (111), the water storage cavity (100) is isolated from the water inlet flow channel (11); when the plug rod (32) drives the sealing ring (5) to be positioned at the communicating section (112), the water storage cavity (100) is communicated with the water inlet runner (11).
4. The balance tank as claimed in claim 2, wherein: the lower end part of the plug rod (32) is provided with a third sealing groove (321), a sealing ring (5) is arranged in the third sealing groove (321), and the radial cross section of the plug rod (32) above the third sealing groove (321) is in a shape like a Chinese character 'yi', a cross 'or a meter'.
5. The balance tank as claimed in claim 2, wherein: the outer side wall of the plug body (31) is provided with a first sealing groove (311), and the sealing element (4) is installed in the first sealing groove (311) and is in sealing connection with the water tank (1).
6. The balance tank as claimed in claim 5, wherein: the sealing element (4) is a diaphragm type sealing element, the sealing element (4) comprises an inner sealing ring (41), an outer sealing ring (42) and a diaphragm (43), the diaphragm (43) is arranged between the inner sealing ring (41) and the outer sealing ring (42), the inner sealing ring (41) is arranged in a first sealing groove (311), and the outer sealing ring (42) is arranged between the end cover (2) and the water tank (1).
7. The balance tank as claimed in claim 6, wherein: end cover (2) outward flange is equipped with upper seal groove (22), and water tank (1) port department is equipped with down seal groove (13), and when end cover (2) lid closed on water tank (1), upper seal groove (22) and lower seal groove (13) formed the second seal groove, and outer seal ring (42) are installed in the second seal groove.
8. A balance tank as claimed in any one of claims 2 to 7 wherein: the upper end face of the plug body (31) is provided with a groove (312), the vent hole (21) is communicated with the groove (312), and the projection shape of the outer contour of the plug body (31) is square or circular.
9. A balance tank as defined in any of claims 2 to 7 wherein: the bottom of the water tank (1) is respectively provided with a water inlet joint (14) and a water outlet joint (15), a water inlet flow passage (11) is arranged on the water inlet joint (14), and a water outlet flow passage (12) is arranged on the water outlet joint (15).
10. Instant heating type drinking water equipment, including RO membrane filter core and water pump, its characterized in that: the balance water tank of any one of claims 1 to 9, wherein the RO membrane filter cartridge is communicated with a water inlet flow passage (11) of the balance water tank, and the water pump is communicated with a water outlet flow passage (12) of the balance water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221763574.0U CN218262031U (en) | 2022-07-06 | 2022-07-06 | Balance water tank and instant heating type drinking equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221763574.0U CN218262031U (en) | 2022-07-06 | 2022-07-06 | Balance water tank and instant heating type drinking equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218262031U true CN218262031U (en) | 2023-01-10 |
Family
ID=84760810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221763574.0U Active CN218262031U (en) | 2022-07-06 | 2022-07-06 | Balance water tank and instant heating type drinking equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218262031U (en) |
-
2022
- 2022-07-06 CN CN202221763574.0U patent/CN218262031U/en active Active
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