CN110787526A - Filter equipment and use its gas heater - Google Patents
Filter equipment and use its gas heater Download PDFInfo
- Publication number
- CN110787526A CN110787526A CN201911101185.4A CN201911101185A CN110787526A CN 110787526 A CN110787526 A CN 110787526A CN 201911101185 A CN201911101185 A CN 201911101185A CN 110787526 A CN110787526 A CN 110787526A
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- Prior art keywords
- water
- filter
- filter element
- water valve
- hole
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 227
- 238000001914 filtration Methods 0.000 claims abstract description 63
- 239000012535 impurity Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 2
- 239000008399 tap water Substances 0.000 description 8
- 235000020679 tap water Nutrition 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- -1 this Chemical compound 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a filtering device, which is provided with at least one filtering device, and when at least two filtering devices are arranged, the two filtering devices are arranged in series and comprise a filter element assembly, a transparent shell and a water valve body, wherein the filter element assembly is arranged in the transparent shell, a gap for water circulation is reserved between the filter element assembly and the transparent shell, and the water valve body is arranged at the upper end of the transparent shell and is communicated with the filter element assembly; the invention also discloses a gas water heater. According to the invention, two or more than two filtering devices are installed in series, so that double-stage or multi-stage filtration is realized, the water purification effect is further improved, and the requirements of users on different water qualities are met; and, the setting up of transparent shell makes the state that the inside filter element group spare can be connected at any time to the user, in time changes.
Description
Technical Field
The invention belongs to the technical field of gas water heaters, and particularly relates to a filtering device and a gas water heater using the same.
Background
In order to realize the intellectuality of gas heater, all be provided with rivers induction element in gas heater generally, nevertheless because the filter screen of current water heater is comparatively simple, harmful substance such as tiny granule and worm's ovum in it can not effectively isolated tap water, lead to rivers induction element card to die easily like this to also make the filter screen jam easily, reduce the running water flow by a wide margin, influence water heater normal use.
Moreover, the existing filter screen is fixed inside the water inlet joint, so that whether the filter screen is blocked or not is inconvenient to observe, and the filter screen is very inconvenient to assemble, disassemble and clean.
Disclosure of Invention
In order to solve the above problems, the present invention provides a filtering apparatus, which realizes multi-stage filtering of impurities by serially connecting a plurality of filtering apparatuses, and enables a user to know the state of the filtering apparatus in real time by using a transparent housing.
Another object of the present invention is to provide a gas water heater.
The technical scheme adopted by the invention is as follows:
the utility model provides a filter equipment, this filter equipment sets up one at least, and when it sets up two at least, two filter equipment establishes ties and sets up, and it includes filter element group spare, transparent shell and water valve body, filter element group spare sets up and leaves the clearance that is used for the circulation of water inside transparent shell and between the two, the water valve body sets up in transparent shell upper end and communicates with filter element group spare.
Preferably, the filter element assembly comprises a bracket and a filter element, the bracket is a hollow shell with one open end and one closed end, and the filter element is arranged in the bracket; a plurality of through holes are uniformly formed in the periphery of the support, a water outlet is formed in one open end of the support, a positioning ring is arranged on the periphery of the water outlet, and a plurality of water inlets are formed in the positioning ring;
water flows into the gap through the water inlet on the positioning ring, flows to the filter element through the through hole for filtering, and then flows out from the water outlet.
Preferably, the filter element assembly further comprises a baffle plate arranged at the closed end of the bracket for fixing the filter element.
Preferably, the water valve body comprises a water valve outer ring hole, a water valve inner hole, a water inlet interface and a water outlet interface, the water valve outer ring hole and the water valve inner hole are coaxially and equidirectionally arranged, the water valve outer ring hole is communicated with the water inlet interface, and the water valve inner hole is communicated with the water outlet interface;
the water valve inner hole is connected with the water outlet in a matched mode, and the joint is sealed through a first sealing ring.
Preferably, the transparent shell is a hollow shell with an opening at one end and a closed end, the shape of the transparent shell is matched with that of the support, and a rib-shaped step for supporting the filter element assembly is arranged on the inner wall of the transparent shell; and a drain valve for discharging impurities is arranged at the closed end of the transparent shell.
Preferably, the filter element is formed by connecting filter screens with meshes not less than 60 meshes, and the filter screens are activated carbon or PP cotton.
Preferably, a plurality of through holes form a grid through hole, and the upper end and the lower end of the grid through hole are provided with second sealing rings.
A gas water heater comprises the filtering device, a gas water heater body, a water inlet joint, a water outlet joint and a water pipe, wherein the water pipe penetrates through the gas water heater body, the water inlet joint is arranged at the inlet of the water pipe, the water outlet joint is arranged at the outlet of the water pipe, the filtering device is arranged on the outer side of the gas water heater body, and a water valve body is connected with the water inlet joint;
the filter device is provided with at least one filter, when the filter device is provided with at least two filter, the adjacent water valve bodies are connected, and the water valve body far away from the water pipe is connected with the water inlet connector.
Preferably, a one-way valve which is consistent with the flow direction of tap water is arranged at the water outlet interface of the water valve body.
Preferably, when at least two filter devices are arranged, the material of the filter element of each filter device is different.
Compared with the prior art, when the water purifier is used, two or more than two filtering devices are connected in series to realize two-stage or multi-stage filtration, so that the water purifying effect is further improved, and the requirements of users on different water qualities are met; and, the setting up of transparent shell makes the state that the inside filter element group spare can be connected at any time to the user, in time changes.
Drawings
FIG. 1 is a schematic view of the internal structure of a filtration apparatus according to example 1 of the present invention;
FIG. 2 is an exploded view of a filter device according to example 1 of the present invention;
FIG. 3 is a schematic view of a filter device according to example 1 of the present invention;
FIG. 4 is a schematic view showing the structure of a holder in a filter device according to example 1 of the present invention;
FIG. 5 is a schematic view of the structure inside the filter element assembly in the filter device according to example 1 of the present invention;
FIG. 6 is a schematic view of a filter device according to embodiment 1 of the present invention, wherein the water inlet and the water outlet are coaxial;
FIG. 7 is a schematic structural diagram of a filtering apparatus provided in embodiment 1 of the present invention, in which an included angle is formed between a water inlet port and a water outlet structure;
FIG. 8 is a schematic view showing a configuration in which a drain valve is provided in a filter device according to example 1 of the present invention;
FIG. 9 is a schematic structural diagram of a gas water heater provided in embodiment 2 of the present invention;
FIG. 10 is an enlarged view of a portion of FIG. 9 at A;
FIG. 11 is a schematic structural diagram of a gas water heater with a check valve according to embodiment 2 of the present invention;
FIG. 12 is a partial method diagram at B in FIG. 11;
FIG. 13 is a schematic structural view of a gas water heater with a filter device removed according to embodiment 2 of the present invention;
FIG. 14 is a schematic structural diagram of a gas water heater provided in embodiment 2 of the present invention when two filter devices are provided;
fig. 15 is a partial enlarged view at C in fig. 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "vertical", "lateral", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not mean that the device or member to which the present invention is directed must have a specific orientation or position, and thus, cannot be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
thus, by adopting the structure, two or more than two filtering devices of the embodiment are installed together in series, so that double-stage or multi-stage filtration is realized, the water purifying effect is further improved, and the requirements of users on different water qualities are met;
and, the setting of transparent shell 2 makes the state that the user can connect inside filter element group spare 1 at any time, in time changes.
As shown in fig. 2-4, the filter element assembly 1 comprises a support 11 and a filter element 12, wherein the support 11 is a hollow shell with one open end and one closed end, and the filter element 12 is arranged in the support 11; a plurality of through holes 111 are uniformly formed in the periphery of the support 11, a water outlet 112 is formed in one opened end of the support 11, a positioning ring 113 is arranged on the periphery of the water outlet 112, and a plurality of water inlets 114 are formed in the positioning ring 113;
thus, with the above structure, water flows into the gap through the water inlet 114 of the positioning ring 113, flows to the filter element 12 through the through hole 111 for filtering, and then flows out from the water outlet 112.
Wherein the holder 1 can be injection molded from plastic.
The filter element assembly 1 further comprises a baffle 13, and the baffle 13 is arranged at the closed end of the bracket 11 and used for fixing the filter element 12.
The water valve body 3 comprises a water valve outer ring hole 31, a water valve inner hole 32, a water inlet interface 33 and a water outlet interface 34, the water valve outer ring hole 31 and the water valve inner hole 32 are coaxially and equidirectionally arranged, the water valve outer ring hole 31 is communicated with the water inlet interface 33, and the water valve inner hole 32 is communicated with the water outlet interface 34;
specifically, the arrangement modes of the water valve outer ring hole 31, the water valve inner hole 32, the water inlet interface 33 and the water outlet interface 34 include the following three conditions:
in the first case:
as shown in fig. 1 to 3, the water inlet 33 of the water valve body 3 is perpendicular to the central axis of the water valve inner hole 32, and the water outlet 34 of the water valve body 3 is coaxially communicated with the water valve inner hole 32.
In the second case:
as shown in fig. 6, the water inlet 33 of the water valve body 3 is perpendicular to the central axis of the water valve inner hole 32, and the water outlet 34 of the water valve body 3 is coaxial with the water inlet 33.
In the third case:
as shown in fig. 7, the water inlet 33 and the water outlet 34 of the water valve body 3 are both perpendicular to the central axis of the water valve inner hole 32, and the water outlet 34 of the water valve body forms an included angle with the water inlet 33.
In addition, the water valve inner hole 32 is connected with the water outlet 112 in a matching way, and the joint is sealed by a first sealing ring 35.
And the outer water valve ring hole 31 is provided with internal threads 38 for connecting the transparent shell 2, the outer water valve ring hole 31 is provided with an outer flange 36, and the outer flange 36 is provided with a mounting hole 37 for connecting a shell of the gas water heater.
The water valve body 3 can be formed by die casting of metal (preferably copper alloy) or injection molding of high-strength plastic, and the requirement of water pressure resistance is met.
The transparent shell 2 is a hollow shell with an opening at one end and a closed end, the shape of the shell is matched with that of the support 11, and a rib-shaped step 21 for supporting the filter element assembly 1 is arranged on the inner wall of the shell; a drain valve 22 for discharging impurities is arranged at one closed end of the transparent shell 2;
thus, the drain valve 22 is arranged at the closed end of the transparent shell 2, the drain valve 22 is opened, then the tap water inlet valve is opened, impurities and dirt attached to the outer surface of the filter element 12 are washed away by water flow, and the water is discharged from the drain valve 22, so that the filter element 12 is convenient to clean.
Further, the open end of the transparent shell 2 is provided with an external thread 23, and the external thread 23 is connected with the internal thread 38 in a matching way and sealed by a sealing ring 24.
Wherein, transparent shell 2 can be by high strength transparent plastic injection moulding, satisfies the water pressure resistant requirement to be convenient for inspect the in service behavior of filter element group spare 1.
The filter element 12 is formed by connecting filter screens with the mesh number not less than 60 meshes, and the filter screens are made of active carbon or PP cotton.
A plurality of the through holes 111 form a grid through hole, and second seal rings 115 are arranged at the upper end and the lower end of the grid through hole.
The using method comprises the following steps:
when the filtering device of the embodiment is used for filtering, tap water flows in from the water inlet port 33 of the water valve body 3, flows into the inner cavity of the transparent shell 2 through the water valve outer ring hole 31 and the water inlet hole 114, is filtered by the filter element 12, and finally flows out from the filter element outlet 112 and the water outlet port 34, and the whole process is simple and easy to implement; moreover, a user can observe the state of the filter element component 1 in real time through the transparent shell 2, so that the filter element component is prevented from being blocked to influence the filtering efficiency;
when the two filtering devices are provided, the water outlet 33 of the filtering device (defined as first-stage filtering) which is arranged in advance is connected with the water inlet 33 of the filtering device (defined as second-stage filtering) which is arranged behind the first-stage filtering, tap water flows into the inner cavity of the transparent shell 2 through the water valve outer annular hole 31 and the water inlet hole 114 after passing through the water inlet structure 33 of the first-stage filtering, and finally flows into the water inlet 33 of the second-stage filtering from the filter element outlet 112 and the water outlet 34 after being filtered by the filter element 12, and in the second-stage filtering, water flows into the inner cavity of the transparent shell 2 through the water valve outer annular hole 31 and the water inlet hole 114 and finally flows out from the filter element outlet 112 and the water outlet 34 after being filtered by the filter element 12, so that double-stage filtering is realized.
In the embodiment, two or more than two filtering devices are installed in series, so that double-stage or multi-stage filtration is realized, the water purifying effect is further improved, and the requirements of users on different water qualities are met; moreover, the transparent shell enables a user to connect the state of the internal filter element component at any time and replace the internal filter element component in time; the arrangement of the drain valve is convenient for flushing and removing the dirt attached to the surface of the filter element, and the use is convenient.
Example 2
the filtering device 4 is provided with at least one, when at least two filtering devices are arranged, the adjacent water valve bodies 3 are connected, and the water valve body 3 far away from the water pipe 8 is connected with the water inlet joint 6.
And, the water valve body 3 is fixed with the water heater casing screw connection through the mounting hole 37 of outer flange 36, and filter equipment 4's transparent shell 2 is located the water heater casing outside, can directly wash or change filter element group spare 1 through unscrewing transparent shell 2, convenient and fast.
Tap water flows in from the water inlet connector 33 of the water valve body 3, flows into the inner cavity of the transparent shell 2 through the water valve outer ring hole 31 and the water inlet hole 114, is filtered by the filter element 12, and finally flows out from the filter element outlet 112 and the water outlet connector 34;
the filter element 12 is filled in the whole support 11, has large area and is not easy to block, and the requirement of large flow is met.
As shown in fig. 11-12, a check valve 9 is disposed at the water outlet 34 of the water valve body 3 and has the same flow direction as the tap water;
as shown in fig. 13, when the transparent casing 2 is unscrewed to replace the filter element, the check valve 9 can prevent the water stored in the water heater from flowing backwards and overflowing, and wetting the surrounding environment.
When at least two filter devices 4 are arranged, the material of the filter element 12 of each filter device 4 is different; in this way, filtration of different impurities can be achieved.
When two filtering devices 4 are arranged, as shown in fig. 14-15, it is defined that the filtering device 4 arranged first is a first-stage filtering device, the filtering device 4 arranged later is a second-stage filtering device, the water outlet 33 of the first-stage filtering device is connected with the water inlet 33 of the second-stage filtering device, tap water flows into the inner cavity of the transparent shell 2 through the water valve outer annular hole 31 and the water inlet hole 114 after passing through the water inlet structure 33 of the first-stage filtering device, and flows into the water inlet 33 of the second-stage filtering device from the filter element outlet 112 and the water outlet 34 after being filtered by the filter element 12, and in the second-stage filtering device, water flows into the inner cavity of the transparent shell 2 through the water valve outer annular hole 31 and the water inlet hole 114, and flows out from the filter element outlet 112 and the water outlet 34 after being filtered by the filter element 12, so as to realize two-stage;
in the device, the filter screen is adopted to one-level filter equipment's filter core, and second grade filter equipment's filter core adopts the active carbon, like this, can realize the filtration to different impurity through the filter core of difference, further promote the water purification effect, satisfy the user to the demand of different quality of water.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a filter equipment, its characterized in that, this filter equipment sets up one at least, and when it sets up two at least, two filter equipment establishes ties and sets up, and it includes filter element group spare (1), transparent shell (2) and water valve body (3), filter element group spare (1) sets up and leaves the clearance that is used for the circulation of water inside transparent shell (2) and between the two, water valve body (3) set up in transparent shell (2) upper end and with filter element group spare (1) intercommunication.
2. The filter device according to claim 1, characterized in that the filter cartridge assembly (1) comprises a support (11) and a filter cartridge (12), the support (11) being a hollow casing open at one end and closed at one end, the filter cartridge (12) being arranged inside the support (11); a plurality of through holes (111) are uniformly formed in the periphery of the support (11), a water outlet (112) is formed in one open end of the support (11), a positioning ring (113) is arranged on the periphery of the water outlet (112), and a plurality of water inlets (114) are formed in the positioning ring (113);
water flows into the gap through a water inlet (114) on the positioning ring (113), flows to the filter element (12) through the through hole (111) for filtering, and then flows out from a water outlet (112).
3. A filter device as claimed in claim 2, wherein the cartridge assembly (1) further comprises a baffle (13), the baffle (13) being provided at the closed end of the holder (11) for securing the cartridge (12).
4. The filtering device according to claim 3, wherein the water valve body (3) comprises a water valve outer ring hole (31), a water valve inner hole (32), a water inlet interface (33) and a water outlet interface (34), the water valve outer ring hole (31) and the water valve inner hole (32) are coaxially and equidirectionally arranged, the water valve outer ring hole (31) is communicated with the water inlet interface (33), and the water valve inner hole (32) is communicated with the water outlet interface (34);
the water valve inner hole (32) is matched and connected with the water outlet (112), and the joint is sealed through a first sealing ring (35).
5. A filter device as claimed in claim 4, wherein the transparent casing (2) is a hollow shell open at one end and closed at one end, and has a shape matching that of the support (11), and on the inner wall of which there are rib-like steps (21) for supporting the filter element assembly (1); and a drain valve (22) for discharging impurities is arranged at the closed end of the transparent shell (2).
6. The filtering device according to any one of claims 2 to 5, characterized in that the filter element (12) is formed by connecting filter screens with mesh number not less than 60 meshes, and the filter screens are activated carbon or PP cotton.
7. The filtering device according to claim 2, wherein the plurality of through holes (111) form a grid through hole, and second sealing rings (115) are arranged at the upper end and the lower end of the grid through hole.
8. A gas water heater is characterized by comprising the filtering device (4) as claimed in any one of claims 1 to 7, a gas water heater body (5), a water inlet connector (6), a water outlet connector (7) and a water pipe (8), wherein the water pipe (8) penetrates through the gas water heater body (5), the water inlet connector (6) is arranged at the inlet of the water pipe, the water outlet connector (7) is arranged at the outlet of the water pipe, the filtering device (4) is arranged on the outer side of the gas water heater body (5), and the water valve body (3) is connected with the water inlet connector (6);
the filtering device (4) is provided with at least one, when the filtering device is at least provided with two filtering devices, the adjacent water valve bodies (3) are connected, and the water valve body (3) far away from the water pipe (8) is connected with the water inlet connector (6).
9. The gas water heater as claimed in claim 8, wherein a one-way valve (9) which is consistent with the running water flow direction is arranged at the water outlet port (34) of the water valve body (3).
10. A gas water heater according to claim 8 or 9, characterized in that, when at least two filtering devices (4) are provided, the material of the filter element (12) of each filtering device (4) is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101185.4A CN110787526A (en) | 2019-11-12 | 2019-11-12 | Filter equipment and use its gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101185.4A CN110787526A (en) | 2019-11-12 | 2019-11-12 | Filter equipment and use its gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110787526A true CN110787526A (en) | 2020-02-14 |
Family
ID=69444043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911101185.4A Pending CN110787526A (en) | 2019-11-12 | 2019-11-12 | Filter equipment and use its gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110787526A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238026A (en) * | 2020-02-28 | 2020-06-05 | 华帝股份有限公司 | Multi-stage water purification integrated device, zero-cold-water gas water heater and control method thereof |
| CN112358068A (en) * | 2020-11-18 | 2021-02-12 | 慈溪市夏蒙电器有限公司 | Filter element with waterproof and breathable device and water filtering kettle with filter element |
| CN113101719A (en) * | 2021-03-04 | 2021-07-13 | 华帝股份有限公司 | Filter equipment and hanging stove |
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| WO2011155660A1 (en) * | 2010-06-11 | 2011-12-15 | Kim Ki Ho | Antibacterial sealed dispenser system having a check valve |
| CN105841341A (en) * | 2016-05-17 | 2016-08-10 | 广东威博电器有限公司 | Water-purifying electric water heater |
| CN206881243U (en) * | 2017-04-12 | 2018-01-16 | 海宁市水享净水设备有限公司 | A kind of fore filter |
| CN207667244U (en) * | 2017-10-24 | 2018-07-31 | 苏明忠 | A kind of fore filter |
| CN212141724U (en) * | 2019-11-12 | 2020-12-15 | 华帝股份有限公司 | Filter equipment and use its gas heater |
-
2019
- 2019-11-12 CN CN201911101185.4A patent/CN110787526A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011155660A1 (en) * | 2010-06-11 | 2011-12-15 | Kim Ki Ho | Antibacterial sealed dispenser system having a check valve |
| CN105841341A (en) * | 2016-05-17 | 2016-08-10 | 广东威博电器有限公司 | Water-purifying electric water heater |
| CN206881243U (en) * | 2017-04-12 | 2018-01-16 | 海宁市水享净水设备有限公司 | A kind of fore filter |
| CN207667244U (en) * | 2017-10-24 | 2018-07-31 | 苏明忠 | A kind of fore filter |
| CN212141724U (en) * | 2019-11-12 | 2020-12-15 | 华帝股份有限公司 | Filter equipment and use its gas heater |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238026A (en) * | 2020-02-28 | 2020-06-05 | 华帝股份有限公司 | Multi-stage water purification integrated device, zero-cold-water gas water heater and control method thereof |
| CN112358068A (en) * | 2020-11-18 | 2021-02-12 | 慈溪市夏蒙电器有限公司 | Filter element with waterproof and breathable device and water filtering kettle with filter element |
| CN113101719A (en) * | 2021-03-04 | 2021-07-13 | 华帝股份有限公司 | Filter equipment and hanging stove |
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Application publication date: 20200214 |
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