CN217041661U - Leading filter and electric water heater - Google Patents
Leading filter and electric water heater Download PDFInfo
- Publication number
- CN217041661U CN217041661U CN202120811653.3U CN202120811653U CN217041661U CN 217041661 U CN217041661 U CN 217041661U CN 202120811653 U CN202120811653 U CN 202120811653U CN 217041661 U CN217041661 U CN 217041661U
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- Prior art keywords
- filter
- shell
- cover
- wall
- upper shell
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 239000000463 material Substances 0.000 claims abstract description 52
- 238000011045 prefiltration Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 45
- 241000463219 Epitheca Species 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a leading filter and electric water heater. The pre-filter comprises an upper shell, the upper end of the upper shell is provided with a water outlet, one side of the upper shell is provided with a water inlet, and a first filter screen is arranged at the water outlet; the lower shell is detachably connected with the upper shell, and a filter element cavity is formed between the upper shell and the lower shell; the filter element assembly is arranged in the filter element cavity and comprises an upper cover, one end of the upper cover is abutted against the inner wall of the upper shell, and the middle part or the upper part of the outer side of the upper cover is over against the water inlet; the lower end of the lower cover is installed on the inner side of the lower shell, a water inlet gap is formed between the lower cover and the inner walls of the upper shell and the lower shell, the upper part of the lower cover is abutted against the inner side of the upper cover, and the upper shell, the first filter screen, the upper cover and the lower cover are enclosed to form a filter material cavity; and the filter material is arranged in the filter material cavity. The utility model provides an electric water heater includes foretell prefilter.
Description
Technical Field
The utility model relates to a water heater technical field especially relates to a leading filter and electric water heater.
Background
The tap water contains impurities such as silt, rust, colloid and the like, and dirt is easily deposited in the inner container of the electric water heater, so that the quality of the outlet water of the electric water heater is deteriorated, and the water health of a user is greatly influenced. In addition, tap water also contains calcium and magnesium ions, and compact water scale is easily formed on the surfaces of an inner container and a heating pipe of the electric water heater after the tap water is heated, so that the heating efficiency and the service life of the heating pipe are seriously influenced. The filter element assembly top of the prior pre-filter is generally provided with a blocking cover structure for avoiding the outflow of filter materials in the filter element assembly. The filter material that needs to be changed after the filter material in the filter element group spare consumes, and because this setting of keeping off the lid structure, the filter material can't pour from the filter element group spare, then need change whole filter element group spare this moment, and then has increased the cost of changing the filter material, also causes the waste of material simultaneously.
Therefore, a pre-filter is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the problems that exist among the prior correlation technique at least to a certain extent, for this reason, the utility model provides a leading filter, it can change the filter material in the filter element group spare alone, and the purifying effect of convection current is better.
The above purpose is realized by the following technical scheme:
a pre-filter, comprising:
the water outlet is formed in the upper end of the upper shell, a water inlet is formed in one side of the upper shell, and a first filter screen is arranged at the water outlet;
the lower shell is detachably connected with the upper shell, and a filter element cavity is formed between the upper shell and the lower shell;
the filter element subassembly sets up in the filter core cavity, the filter element subassembly includes:
one end of the upper cover is abutted against the inner wall of the upper shell, and the middle part or the upper part of the outer side of the upper cover is over against the water inlet;
the lower end of the lower cover is installed on the inner side of the lower shell, a water inlet gap is formed between the lower cover and the inner walls of the upper shell and the lower shell, the upper part of the lower cover is abutted against the inner side of the upper cover, and the upper shell, the first filter screen, the upper cover and the lower cover are enclosed to form a filter material cavity;
and the filter material is arranged in the filter material cavity.
Optionally, an upper end of the upper cover abuts an inner wall of the upper housing.
Optionally, the sealing device further comprises a first sealing ring, wherein the first sealing ring is arranged between the upper end of the upper cover and the inner wall of the upper shell and used for sealing a gap between the upper end of the upper cover and the inner wall of the upper shell.
Optionally, a second sealing ring is arranged between the upper part of the lower cover and the inner side of the upper cover, and is used for sealing a gap between the upper part of the lower cover and the inner side of the upper cover.
Optionally, the upper cover is arranged to be inclined from top to bottom towards a direction close to the inner wall of the upper shell.
Optionally, the lower cover is arranged obliquely from bottom to top towards the direction close to the inner wall of the upper shell.
Optionally, the sealing device further comprises a third sealing ring, wherein the third sealing ring is arranged between the upper shell and the lower shell and used for sealing a gap between the upper shell and the lower shell.
Optionally, the outer side of the lower cover is wrapped with a second sieve.
Optionally, still include the coupling nut subassembly, the coupling nut subassembly with the lateral wall of delivery port passes through the jump ring to be connected, the coupling nut subassembly includes:
a connecting nut body;
the clamp spring is fixedly arranged on the outer side of the side wall of the water outlet, and the connecting nut body is arranged on the outer side of the side wall of the water outlet through the clamp spring;
sealing gasket, the setting is in it is internal to connect the screw parent for the terminal surface of sealed leading filter and water heater erection joint, sealing gasket sets up the first filter screen outside and with first filter screen integrated into one piece.
The utility model also provides an electric water heater, including electric water heater body and foretell leading filter, leading filter with the water inlet of electric water heater body is connected for filter from outside pipeline entering this internal water of electric water heater.
Compared with the prior art, the utility model discloses an at least including following beneficial effect:
the utility model provides a leading filter is through setting up filter element group spare into epitheca and inferior valve and setting up at the epitheca, the filter material of the filter material intracavity that the upper cover and lower cover enclose and establish into, and set up the middle part or the upper portion in the outside of upper cover into just to the water inlet, on the one hand, can avoid rivers from the water inlet get into behind the water clearance, directly flow out from the delivery port via the upper portion of lower cover, and lead to rivers can't be complete with the filter material contact of filter material intracavity, and then cause rivers to purify inadequately, the poor problem of purifying effect, the water purification effect has been guaranteed. On the other hand, after the upper shell and the lower shell are disassembled, the filter material cavity can be directly opened to replace the filter material, the whole filter material assembly does not need to be replaced, and the use cost is effectively saved.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a prefilter according to an embodiment of the present invention.
In the figure:
11. an upper shell; 12. a lower case;
2. a first seal ring;
3. a water inlet; 31. an external thread;
4. a water outlet;
5. a third seal ring;
6. a filter element assembly; 60. a filter material cavity; 61. an upper cover; 62. a lower cover; 63. a second filter screen; 64. a second seal ring; 65. a fourth seal ring;
7. a connecting nut component; 71. a connecting nut body; 72. a screen seal; 73. and a clamp spring.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.
Referring to fig. 1, the present invention provides a pre-filter. The pre-filter comprises an upper shell 11, a lower shell 12 and a filter element assembly 6. The upper end of the upper shell 11 is provided with a water outlet 4, a first filter screen is arranged at the water outlet 4, and a water inlet 3 is arranged on one side of the upper shell 11. Inferior valve 12 and epitheca 11 can be dismantled and be connected, form the filter core cavity between epitheca 11 and the inferior valve 12. Filter element group spare 6 sets up in the filter core cavity and with the inner wall of epitheca 11 reaches be provided with into water clearance between the inner wall of inferior valve 12, filter element group spare 6 includes upper cover 61, lower cover 62 and filter material. One end of the upper cover 61 is abutted against the inner wall of the upper shell 11, and the middle part or the upper part of the outer side of the upper cover 61 is opposite to the water inlet 3. The lower end of the lower cover 62 is attached to the inside of the lower case 12, and the upper part of the lower cover 62 abuts the inside of the upper cover 61. The upper shell 11, the first filter material net, the upper cover 61 and the lower cover 62 enclose a filter material cavity 60. The filter media is disposed within the filter media chamber 60.
The utility model provides a leading filter is through setting up filter element group spare 6 to epitheca 11 and inferior valve 12 and setting up at the epitheca 11, the filter material in the filter material chamber 60 that upper cover 61 and lower cover 62 enclose and establish, and set up the middle part or the upper portion in the outside of upper cover 61 to just to water inlet 3, on the one hand, can avoid rivers from 3 entering into behind the water inlet clearance, directly flow from delivery port 4 via the upper portion of lower cover 62, and lead to rivers can't be complete with the filter material contact in the filter material chamber 60, and then cause rivers to purify inadequately, the poor problem of purifying effect, the water purification effect has been guaranteed. On the other hand, after the upper shell 11 and the lower shell 12 are disassembled, the filter material chamber 60 can be directly opened to replace the filter material, and the whole filter material assembly does not need to be replaced, so that the use cost is effectively saved.
Optionally, the upper end of upper cover 61 and the inner wall butt of epitheca 11 to with epitheca 11, form filter material chamber 60 between first filter material net and the lower cover 62, and can avoid the filter material in the filter material chamber 60 to drop to the intake clearance under the effect of gravity, then flow out via water inlet 3, also can avoid flowing water that gets into in the flowing water clearance from water inlet 3 directly to flow out to delivery port 4 via the clearance between upper cover 61 and the epitheca 11, and lead to the unable problem of filter material complete contact with in the filter material chamber 60 of flowing water.
Alternatively, in the present embodiment, the upper shell 11 and the lower shell 12 are connected by threads, so as to realize the detachable connection between the upper shell 11 and the lower shell 12. Of course, in other embodiments, the upper shell 11 and the lower shell 12 may be detachably connected by a snap, which is not limited herein.
Optionally, the filter material filtering device further comprises a first sealing ring 2, the first sealing ring 2 is arranged between the upper end of the upper cover 61 and the inner wall of the upper shell 11, and is used for sealing a gap between the upper end of the upper cover 61 and the inner wall of the upper shell 11, so as to further avoid that the filter material falls into the water inlet gap, and further avoid that flowing water entering the flowing water gap from the water inlet 3 directly flows out to the water outlet 4 through the gap between the upper covers 61, so that the flowing water cannot completely contact with the filter material in the filter material cavity 60.
Optionally, a second sealing ring 64 is disposed between the upper portion of the lower cover 62 and the inner side of the upper cover 61, and is used for sealing a gap between the upper portion of the lower cover 62 and the inner side of the upper cover 61, so as to prevent the filter material from falling into the water inlet gap between the upper cover 61 and the lower cover 62 and then flowing out through the water inlet 3, and also prevent the flowing water entering the water flowing gap from the water inlet 3 from directly flowing out to the water outlet 4 through the gap between the upper portion of the upper cover 61 and the inner side of the upper cover 61, which results in the problem that the flowing water cannot completely contact with the filter material in the filter material chamber 60.
Optionally, the upper cover 61 is disposed to be inclined from top to bottom toward a direction close to the inner wall of the upper housing 11, so as to guide the flowing water flowing into the water inlet gap from the water inlet 3, so that the flowing water can flow downward to the lower portion of the lower cover 62, then enter the filter material chamber 60 from the lower portion of the lower cover 62, and flow out to the water outlet 4 after being fully contacted with the filter material in the filter material chamber 60.
Optionally, the lower cover 62 is disposed obliquely from bottom to top toward the inner wall of the upper housing 11, so that the lower cover 62 is disposed in a barrel shape to facilitate placing the filter material.
Optionally, a third sealing ring 5 is further included, and the third sealing ring 5 is disposed between the upper shell 11 and the lower shell 12, and is used for sealing a gap between the upper shell 11 and the lower shell 12 to prevent water from flowing out of the pre-filter in the water inlet gap.
In order to ensure the sealing effect of the first sealing ring 2, the second sealing ring 64 and the third sealing ring 5, optionally, a plurality of first sealing rings 2, second sealing rings 64 and third sealing rings 5 can be provided.
Optionally, the outside of the lower cover 62 is wrapped with a second screen 63. By wrapping the second screen 63 on the outside of the lower cover 62, larger particles of dirt in the flowing water can be first screened by the second screen 63, so as to further improve the purifying effect of the screen assembly on the flowing water.
Optionally, the cartridge assembly 6 further comprises a fourth sealing ring 65. The fourth sealing ring 65 is disposed between the second filter screen 63 and the lower cover 62, and is used for sealing a gap between the second filter screen 63 and the lower cover 62, so as to prevent larger particles of dirt from entering the filter material chamber 60 from between the second filter screen 63 and the lower cover 62.
Optionally, a connecting nut assembly 7 is further included, and the connecting nut assembly 7 is connected with the side wall of the water outlet 4 through a clamp spring 73 so as to be connected with a water inlet pipe set of the electric water heater. The coupling nut assembly 7 includes a coupling nut body 71, a snap spring 73, and a gasket. The clamp spring 73 is fixedly arranged on the outer side of the side wall of the water outlet 4, and the connecting nut body 71 is arranged on the outer side of the side wall of the water outlet 4 through the clamp spring 73. The sealing gasket is arranged in the connecting nut body 71 and is used for sealing the end face of the pre-filter which is connected with the electric water heater in an installing way so as to prevent purified water flow from flowing out of a gap between the connecting nut body 71 and the outer side of the side wall of the water outlet 4. Sealing gasket sets up in the first filter screen outside and with first filter screen integrated into one piece to sealing gasket and first filter screen's installation.
Optionally, an external thread 31 is further provided outside the sidewall of the water inlet 3, so that an external pipeline can be screwed with the sidewall of the water inlet 3.
The utility model also provides an electric water heater. The electric water heater comprises an electric water heater body and the pre-filter, wherein the pre-filter is connected with a water inlet of the electric water heater body and is used for filtering water entering the electric water heater body from an external pipeline.
What has been described above is merely some embodiments of the present invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (10)
1. A pre-filter, comprising:
the water inlet device comprises an upper shell (11), wherein the upper end of the upper shell (11) is provided with a water outlet (4), one side of the upper shell (11) is provided with a water inlet (3), and a first filter screen is arranged at the water outlet (4);
the lower shell (12) is detachably connected with the upper shell (11), and a filter element cavity is formed between the upper shell (11) and the lower shell (12);
filter element group spare (6), set up in the filter element cavity and with the inner wall of epitheca (11) reaches be provided with into water clearance between the inner wall of inferior valve (12), filter element group spare (6) includes:
one end of the upper cover (61) is abutted against the inner wall of the upper shell (11), and the middle part or the upper part of the outer side of the upper cover (61) is over against the water inlet (3);
a lower cover (62), the lower end of which is mounted on the inner side of the lower shell (12), the upper part of the lower cover (62) is abutted against the inner side of the upper cover (61), and the upper shell (11), the first filter screen, the upper cover (61) and the lower cover (62) enclose a filter material cavity (60);
a filter material disposed within the filter material chamber (60).
2. The pre-filter according to claim 1, characterised in that the upper end of the upper cover (61) abuts against the inner wall of the upper shell (11).
3. The pre-filter according to claim 2, further comprising a first sealing ring (2), the first sealing ring (2) being disposed between an upper end of the upper cover (61) and an inner wall of the upper housing (11) for sealing a gap between the upper end of the upper cover (61) and the inner wall of the upper housing (11).
4. The pre-filter according to claim 1, characterised in that a second sealing ring (64) is provided between the upper part of the lower cover (62) and the inside of the upper cover (61) for sealing the gap between the upper part of the lower cover (62) and the inside of the upper cover (61).
5. The pre-filter according to claim 1, characterised in that the upper cover (61) is inclined from top to bottom towards the inner wall of the upper casing (11).
6. The pre-filter according to claim 1, characterised in that the lower cover (62) is arranged inclined from bottom to top in a direction close to the inner wall of the upper casing (11).
7. A pre-filter according to any of claims 1-6, characterised in that it further comprises a third sealing ring (5), which third sealing ring (5) is arranged between the upper shell (11) and the lower shell (12) for sealing the gap between the upper shell (11) and the lower shell (12).
8. Prefilter according to any one of claims 1 to 6, wherein the outside of said lower cover (62) is covered with a second sieve (63).
9. The pre-filter according to any one of claims 1-6, further comprising a connection nut assembly (7), wherein the connection nut assembly (7) is connected with the side wall of the water outlet (4) through a clamp spring (73), and the connection nut assembly (7) comprises:
a coupling nut body (71);
the clamp spring (73) is fixedly arranged on the outer side of the side wall of the water outlet (4), and the connecting nut body (71) is arranged on the outer side of the side wall of the water outlet (4) through the clamp spring (73);
the sealing gasket is arranged in the connecting nut body (71) and used for sealing the end face of the installation connection between the front filter and the electric water heater, and the sealing gasket is arranged on the outer side of the first filter screen and integrally formed with the first filter screen.
10. An electric water heater comprising an electric water heater body, characterized by comprising the pre-filter of any one of claims 1-9, connected to the water inlet of the electric water heater body for filtering water entering the electric water heater body from an external pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120811653.3U CN217041661U (en) | 2021-04-20 | 2021-04-20 | Leading filter and electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120811653.3U CN217041661U (en) | 2021-04-20 | 2021-04-20 | Leading filter and electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217041661U true CN217041661U (en) | 2022-07-26 |
Family
ID=82464949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120811653.3U Active CN217041661U (en) | 2021-04-20 | 2021-04-20 | Leading filter and electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217041661U (en) |
-
2021
- 2021-04-20 CN CN202120811653.3U patent/CN217041661U/en active Active
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