CN217610436U - Filtering cup - Google Patents
Filtering cup Download PDFInfo
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- CN217610436U CN217610436U CN202221743890.1U CN202221743890U CN217610436U CN 217610436 U CN217610436 U CN 217610436U CN 202221743890 U CN202221743890 U CN 202221743890U CN 217610436 U CN217610436 U CN 217610436U
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- cup
- filter
- filter element
- elastic sealing
- water
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Abstract
The utility model relates to the technical field of living goods, in particular to a filtering water cup, which comprises a cup body and a filtering component; the top end of the cup body is a cup opening and is provided with a cup cover, and the bottom of the cup body is an inlet and is provided with a bottom cover; the filter assembly is arranged in the cup body and comprises an elastic sealing cylinder, a filter shell and a filter element in the filter shell, one end of the elastic sealing cylinder is arranged in the inlet, and the other end of the elastic sealing cylinder is sleeved on the periphery of the filter shell; the filter shell comprises a water inlet, a water outlet and a connecting piece; the force required for separating the connecting piece and the cup mouth when the connecting piece is matched with the cup mouth is larger than the maximum contraction force of the elastic sealing cylinder, and the pressure applied to the water inlet when the elastic sealing cylinder contracts is larger than the minimum pressure required when the filter element filters; the utility model ensures that raw water enters the filter element from the water inlet and then is discharged from the water outlet in the process of the contraction of the elastic sealing cylinder and the downward movement of the filter element filter shell under the gravity, and can be directly drunk from the cup mouth; the novel energy-saving environment-friendly sucker has a compact structure, does not need extra electric energy or needs to suck in the oral cavity, saves energy, protects environment and does not increase burden of a human body.
Description
Technical Field
The utility model relates to an articles for daily use technical field, concretely relates to filter drinking cup.
Background
The filtering cup purifies drinking water by using the filter element, thereby providing clean drinking water which is easy to carry about for consumers and being beneficial to human health. The filtering water cups in the market can be roughly divided into the following types according to different filtering modes:
1) Gravity type filters when adorning water, installs the filter core module in the rim of a cup below, forms the water storage district between filter core and the rim of a cup, has the breather pipe of a intercommunication water storage district and the interior cavity of filter core below cup in the middle of the filter core, pours water into the water storage district during dress water, then utilizes the gravity of water to see through the filter core, until filling up water with the cup. The filtering flow rate of the mode is mainly determined by the height of the water storage area, and is limited by the volumes of the water cup and the filter element, and the height of the water storage area is lower generally, so that the filtering flow rate is lower, and the user experience during water filling is influenced.
2) Push type filtration after the dress water, drinking cup include that shell and bottom install the inner bag of filter core (or the support of filter core is installed to the bottom), fill water earlier in the drinking cup shell during dress water, then with the filter core (together with inner bag or support) put the rim of a cup, down press filter core to the bottom of a cup, accomplish the filtration of whole cup of water. The filtering mode has the advantages of high filtering speed and the disadvantages of complex filtering operation, large integral volume of the filter element and influence on user experience.
3) Utilize the suction nozzle to filter when drinking water, the filter core of this kind of drinking cup is installed in the bowl cover, and there is a straw that leads to the bottom of cup filter core below, and the upper end of filter core forms the suction nozzle in rim of a cup department, and during dress water, the filter core is taken off along with the bowl cover, directly toward the bowl built-in water can, then screw on the bowl cover. When drinking, water enters the population through the suction pipe, the filter element and the suction nozzle by utilizing the sucking force. The filtering mode has the advantages of convenient water filling and the defect of labor waste during drinking and can only be sucked through a small opening.
4) The existing water purifier can achieve the filtering and purifying effects only by pressure difference between a raw water end and a purified water end, so that the common water purifier needs tap water with the water pressure of more than 1kgf/cm 2 Or an electric pump is needed to raise the pressure of the raw water end to over 1kgf/cm 2 (ii) a The pressure difference between the raw water end and the purified water end can be met; therefore, the existing filtering water purifier is used in the sceneLimited to sites where tap water is necessary or where electrical energy can be provided; and some drinking cups adopt the combination of charging and electric pump to intake water, because battery, electric pump and filter core for the drinking cup is very heavy, and the practicality is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that: the filtering water cup capable of meeting the requirement of pressure difference without electric energy intervention is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a filtering water cup comprises a cup body and a filtering component;
the top end of the cup body is a cup opening and is provided with a cup cover, and the bottom of the cup body is an inlet and is provided with a bottom cover;
the filter component is arranged in the cup body and comprises an elastic sealing cylinder, a filter shell and a filter element, one end of the elastic sealing cylinder is sleeved in the inlet in a sealing manner, and the other end of the elastic sealing cylinder is sleeved on the periphery of the filter shell in a sealing manner; the filter element is arranged in the filter shell;
the filter shell comprises a water inlet arranged towards the inlet, a water outlet arranged towards the cup mouth and a connecting piece which can be matched and fixed with the cup mouth;
the force required for separating the connecting piece and the cup mouth when the connecting piece is matched with the cup mouth is larger than the maximum contraction force of the elastic sealing cylinder, and the pressure applied to the water inlet when the elastic sealing cylinder contracts is larger than the minimum pressure required by the filter element during filtering.
Further, the filter element comprises a first-stage filter element and a second-stage filter element;
the filter shell comprises an outer cavity and an inner cavity, the outer cavity is communicated with the water inlet, the inner cavity is communicated with the water outlet, a through hole is formed in the side wall of the inner cavity, and the outer cavity is communicated with the inner cavity through the through hole;
the first-stage filter element is arranged in the outer cavity, and the second-stage filter element is arranged in the inner cavity.
Furthermore, the inner cavity side wall is connected in the outer cavity through a detachable connecting structure, and the filter shell is divided into an inner cavity and an outer cavity through the inner cavity side wall.
Furthermore, the primary filter element is made of one of active carbon, ceramic and PP cotton.
Further, the secondary filter element is one of a hollow fiber, a reverse osmosis membrane, a mixed fiber microporous filter membrane, a polypropylene filter membrane, a polyether sulfone filter membrane, a polyvinylidene fluoride filter membrane, a polytetrafluoroethylene filter membrane and a nylon filter membrane.
Furthermore, the through hole is formed in one side, far away from the water outlet, of the side wall of the inner cavity.
Furthermore, the ratio of the maximum contraction force of the elastic sealing cylinder to the sectional area of the water inlet is more than or equal to 1kgf/cm 2 。
Furthermore, the filtering component also comprises a limiting ring, and the elastic sealing cylinder is connected to the inlet through the limiting ring;
the elastic sealing barrel comprises a silica gel sleeve and a spring, grooves matched with the spring are formed in the peripheries of the filter shell and the limiting ring, two ends of the spring are respectively matched with the grooves of the filter shell and the limiting ring, and the silica gel sleeve is sleeved outside the spring.
Furthermore, the connecting piece is an annular protrusion arranged on the water outlet, a plurality of grooves are formed in the annular protrusion, and the annular protrusion is in interference fit with the inner wall of the cup opening when being matched.
Furthermore, the cup cover and the bottom cover are connected with the cup body through a buckle or a thread.
The beneficial effects of the utility model reside in that: when the cup is used, the cup cover and the bottom cover are taken down firstly, the filter assembly is pushed to the cup opening, the cup cover and the bottom cover are matched with the cup opening through the connecting piece, the force required for separating the cup cover and the bottom cover when the connecting piece is matched with the cup opening is larger than the maximum contractive force when the elastic sealing cylinder is stretched, raw water is added into the water inlet firstly, then the bottom cover is covered (the minimum pressure of the filter element is larger than the pressure generated by the gravity at the water inlet when the elastic sealing cylinder is stretched to the maximum, namely, the filter element cannot permeate through the action of the gravity and water cannot leak after water is poured), the cup is placed, the cup cover is covered, the connecting piece is separated from the cup opening through the extrusion of the cup cover, the raw water enters the filter element from the water inlet and then is discharged from the water outlet in the process of the contraction of the elastic sealing cylinder and the downward movement of the filter element filter shell under the gravity (namely, the filter shell can move in the cup body), and the raw water can be directly drunk from the cup opening; compact structure does not need extra electric energy or needs the oral cavity to suck, and energy-concerving and environment-protective can not increase human burden simultaneously.
Drawings
FIG. 1 is a schematic structural view of a filtering cup according to an embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic structural view of a filter housing of a filtering cup according to an embodiment of the present invention;
description of reference numerals: 1. a cup body; 2. a cup cover; 3. a bottom cover; 4. a filter shell; 5. a connecting member; 6. a water inlet; 7. a water outlet; 8. a first-stage filter element; 9. a secondary filter element; 10. a sidewall of the inner cavity; 11. a through hole; 12. a limiting ring; 13. a silica gel sleeve; 14. a spring; 15. and (6) a groove.
Detailed Description
In order to explain the technical contents, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, a filtering cup comprises a cup body 1 and a filtering component;
the top end of the cup body 1 is a cup opening and is provided with a cup cover 2, and the bottom of the cup body is an inlet and is provided with a bottom cover 3;
the filter assembly is arranged in the cup body 1 and comprises an elastic sealing cylinder, a filter shell 4 and a filter element, one end of the elastic sealing cylinder is sleeved in the inlet in a sealing manner, and the other end of the elastic sealing cylinder is sleeved on the periphery of the filter shell 4 in a sealing manner; the filter element is arranged in the filter shell 4;
the filter shell 4 comprises a water inlet 6 arranged towards an inlet, a water outlet 7 arranged towards a cup opening and a connecting piece 5 which can be matched and fixed with the cup opening;
the force required for separating the connecting piece 5 and the cup mouth when the connecting piece is matched with the cup mouth is larger than the maximum contraction force of the elastic sealing cylinder, and the pressure applied to the water inlet when the elastic sealing cylinder contracts is larger than the minimum pressure required when the filter element filters.
As can be seen from the above description, when the cup is used, the cup cover 2 and the bottom cover 3 are taken down, the filter assembly is pushed to the cup mouth, the cup mouth and the cup cover are fixed to each other through the matching of the connecting piece 5 and the cup mouth, the force required for separating the cup mouth and the cup cover is larger than the maximum contraction force when the elastic sealing cylinder is stretched through the matching of the connecting piece 5 and the cup mouth, the raw water is firstly added into the inlet, then the bottom cover 3 is covered (the minimum pressure of the filter element is larger than the pressure generated by the gravity at the water inlet 6 when the elastic sealing cylinder is stretched to the maximum, namely, after water is poured, the filter element cannot permeate through the action of gravity and cannot leak out), the cup is placed, the cup cover 2 is covered, the connecting piece 5 is separated from the cup mouth through the extrusion of the cup cover 2, the raw water enters the filter element from the water inlet 6 and then is discharged from the water outlet 7 in the processes of the contraction of the elastic sealing cylinder and the filter element filter shell 4 moving downwards under the gravity, and the raw water can be directly drunk from the cup mouth; compact structure does not need extra electric energy or needs the oral cavity to suck, and energy-concerving and environment-protective can not increase human burden simultaneously.
Further, the filter element comprises a first-stage filter element 8 and a second-stage filter element 9;
the filter shell 4 comprises an outer cavity and an inner cavity, the outer cavity is communicated with the water inlet 6, the inner cavity is communicated with the water outlet 7, a through hole 11 is formed in the side wall 10 of the inner cavity, and the outer cavity is communicated with the inner cavity through the through hole 11;
the first-stage filter element 8 is arranged in the outer cavity, and the second-stage filter element 9 is arranged in the inner cavity.
As can be seen from the above description, the filtering effect can be ensured by the arrangement of the primary filter element 8 and the secondary filter element 9.
Further, the inner cavity side wall 10 is connected in the outer cavity through a detachable connection structure, and the filter housing 4 is divided into an inner cavity and an outer cavity through the inner cavity side wall 10.
Further, the primary filter element 8 is made of one of active carbon, ceramic and PP cotton.
Further, the secondary filter element 9 is one of a hollow fiber, a reverse osmosis membrane, a mixed fiber microporous filter membrane, a polypropylene filter membrane, a polyether sulfone filter membrane, a polyvinylidene fluoride filter membrane, a polytetrafluoroethylene filter membrane and a nylon filter membrane.
Furthermore, the through hole 11 is disposed on a side of the inner cavity sidewall 10 away from the water outlet 7.
Furthermore, the ratio of the maximum contraction force of the elastic sealing cylinder to the sectional area of the water inlet 6 is more than or equal to 1kgf/cm 2 。
As is apparent from the above description, the ratio of the maximum contractive force by the elastic sealing cylinder to the sectional area of the water inlet 6 is 1kgf/cm or more 2 The pressure difference can meet the requirement of the pressure difference required by the filtration of the secondary filter element 9; this ratio may be the total of the maximum retraction force of the resilient sealing cylinder + the self-weight of the resilient sealing cylinder + the weight of the filter cartridge (the latter two, either or both of which may be used), although this calculation is too complicated.
Furthermore, the filtering component also comprises a limiting ring 12, and the elastic sealing cylinder is connected to the inlet through the limiting ring 12;
the elastic sealing cylinder comprises a silica gel sleeve 13 and a spring 14, grooves 15 matched with the spring 14 are formed in the peripheries of the filter shell 4 and the limiting ring 12, two ends of the spring 14 are respectively matched with the grooves 15 of the filter shell 4 and the limiting ring 12, and the silica gel sleeve 13 is sleeved outside the spring 14.
Furthermore, the connecting piece 5 is an annular protrusion arranged on the water outlet 7, a plurality of grooves are formed in the annular protrusion, and the annular protrusion is in interference fit with the inner wall of the cup opening when being matched.
As can be seen from the above description, through the arrangement of the plurality of slots, the annular protrusion can be elastically deformed when being matched, and then the annular protrusion can be clamped with the inner wall of the cup opening (at this time, the distance between the annular protrusions divided by the slots becomes smaller, and the annular protrusion has a movement tendency of expanding outwards, so that clamping is realized); i.e. the connecting element is an elastic snap.
Furthermore, the cup cover 2 and the bottom cover 3 are connected with the cup body 1 through a buckle or a thread.
Example one
A filtering water cup comprises a cup body and a filtering component;
the top end of the cup body is a cup opening and is provided with a cup cover, and the bottom of the cup body is an inlet and is provided with a bottom cover;
the filter component is arranged in the cup body and comprises an elastic sealing cylinder, a filter shell and a filter element, one end of the elastic sealing cylinder is sleeved in the inlet in a sealing manner, and the other end of the elastic sealing cylinder is sleeved on the periphery of the filter shell in a sealing manner; the filter element is arranged in the filter shell;
the filter shell comprises a water inlet arranged towards the inlet, a water outlet arranged towards the cup mouth and a connecting piece which can be matched and fixed with the cup mouth;
the force required for separating the connecting piece and the cup mouth when the connecting piece is matched with the cup mouth is larger than the maximum contraction force of the elastic sealing cylinder, and the contraction force of the elastic sealing cylinder is larger than the maximum pressure required for water to pass through the filter element.
The filtering component also comprises a limiting ring, and the elastic sealing cylinder is connected to the inlet through the limiting ring;
the elastic sealing barrel comprises a silica gel sleeve and a spring, grooves matched with the spring are formed in the peripheries of the filter shell and the limiting ring, two ends of the spring are respectively matched with the grooves of the filter shell and the limiting ring, and the silica gel sleeve is sleeved outside the spring.
The connecting piece is an annular protrusion arranged on the water outlet, a plurality of grooves are formed in the annular protrusion, and the annular protrusion is in interference fit with the inner wall of the cup opening when being matched.
The cup cover and the bottom cover are connected with the cup body through buckles or threads.
Example two
A filtering cup, the same parts as the first embodiment are not repeated, wherein
The filter element comprises a first-stage filter element and a second-stage filter element;
the filter shell comprises an outer cavity and an inner cavity, the outer cavity is communicated with the water inlet, the inner cavity is communicated with the water outlet, a through hole is formed in the side wall of the inner cavity, and the outer cavity is communicated with the inner cavity through the through hole;
the first-stage filter element is arranged in the outer cavity, and the second-stage filter element is arranged in the inner cavity.
The inner cavity side wall is connected in the outer cavity through a detachable connecting structure, and the filter shell is divided into an inner cavity and an outer cavity through the inner cavity side wall.
The first-stage filter element is made of one of active carbon, ceramic and PP cotton.
The secondary filter element is one of a hollow fiber, a reverse osmosis membrane, a mixed fiber microporous filter membrane, a polypropylene filter membrane, a polyether sulfone filter membrane, a polyvinylidene fluoride filter membrane, a polytetrafluoroethylene filter membrane and a nylon filter membrane.
The through hole is arranged on one side of the side wall of the inner cavity, which is far away from the water outlet.
The ratio of the maximum contraction force of the elastic sealing cylinder to the sectional area of the water inlet is more than or equal to 1kgf/cm 2 。
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. A filtering water cup is characterized by comprising a cup body and a filtering component;
the top end of the cup body is a cup opening and is provided with a cup cover, and the bottom of the cup body is an inlet and is provided with a bottom cover;
the filter component is arranged in the cup body and comprises an elastic sealing cylinder, a filter shell and a filter element, one end of the elastic sealing cylinder is sleeved in the inlet in a sealing manner, and the other end of the elastic sealing cylinder is sleeved on the periphery of the filter shell in a sealing manner; the filter element is arranged in the filter shell;
the filter shell comprises a water inlet arranged towards the inlet, a water outlet arranged towards the cup mouth and a connecting piece which can be matched and fixed with the cup mouth;
the force required for separating the connecting piece and the cup mouth when the connecting piece is matched with the cup mouth is larger than the maximum contraction force of the elastic sealing cylinder, and the pressure applied to the water inlet when the elastic sealing cylinder contracts is larger than the minimum pressure required by the filter element during filtering.
2. The filter cup of claim 1, wherein the filter element comprises a primary filter element and a secondary filter element;
the filter shell comprises an outer cavity and an inner cavity, the outer cavity is communicated with the water inlet, the inner cavity is communicated with the water outlet, a through hole is formed in the side wall of the inner cavity, and the outer cavity is communicated with the inner cavity through the through hole;
the first-stage filter element is arranged in the outer cavity, and the second-stage filter element is arranged in the inner cavity.
3. The filtering cup of claim 2 wherein said inner chamber sidewall is connected within said outer chamber by a detachable connection, said filter housing being divided into an inner chamber and an outer chamber by said inner chamber sidewall.
4. The filter cup of claim 2, wherein the primary filter element is one of activated carbon, ceramic, and PP wool.
5. The filtering water cup as claimed in claim 2, wherein the secondary filter element is one of a hollow fiber, a reverse osmosis membrane, a mixed fiber microporous filter membrane, a polypropylene filter membrane, a polyethersulfone filter membrane, a polyvinylidene fluoride filter membrane, a polytetrafluoroethylene filter membrane, and a nylon filter membrane.
6. The filtering cup of claim 2, wherein the through hole is disposed on a side of the sidewall of the cavity away from the water outlet.
7. The filtering water cup as claimed in claim 1, wherein the ratio of the maximum contraction force of the elastic sealing cylinder to the sectional area of the water inlet is 1kgf/cm or more 2 。
8. The filtering cup of claim 1, wherein the filter assembly further comprises a stop collar, the resilient sealing cartridge being connected to the inlet by the stop collar;
the elastic sealing barrel comprises a silica gel sleeve and a spring, grooves matched with the spring are formed in the peripheries of the filter shell and the limiting ring, two ends of the spring are respectively matched with the grooves of the filter shell and the limiting ring, and the silica gel sleeve is sleeved outside the spring.
9. The filtering cup as claimed in claim 1, wherein the connecting member is an annular protrusion disposed on the water outlet, the annular protrusion having a plurality of slots formed therein, the annular protrusion being in interference fit with the inner wall of the cup mouth.
10. The filter cup of claim 1, wherein the lid and the bottom lid are snap-fit or threaded to the cup body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221743890.1U CN217610436U (en) | 2022-07-08 | 2022-07-08 | Filtering cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221743890.1U CN217610436U (en) | 2022-07-08 | 2022-07-08 | Filtering cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217610436U true CN217610436U (en) | 2022-10-21 |
Family
ID=83632919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221743890.1U Active CN217610436U (en) | 2022-07-08 | 2022-07-08 | Filtering cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217610436U (en) |
-
2022
- 2022-07-08 CN CN202221743890.1U patent/CN217610436U/en active Active
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