CN216497950U

CN216497950U - Filter equipment and water heater

Info

Publication number: CN216497950U
Application number: CN202122664190.5U
Authority: CN
Inventors: 向东; 尹晓斌; 王凡
Original assignee: Guangdong Wanhe Water Purification Equipment Co ltd
Current assignee: Guangdong Wanhe Water Purification Equipment Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-05-13
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a filtering device and a water heater, wherein the filtering device comprises an installation cylinder, an installation cover and a filter element assembly, and the top of the installation cylinder is provided with a first open hole; the mounting cover is connected to the first opening and is provided with a water inlet channel and a water outlet channel which are communicated with the inside of the mounting cylinder; the filter element assembly is arranged in the installation cylinder and comprises a filter element cylinder and a filter screen cylinder sleeved on the filter element cylinder, a filter material is arranged in the filter element cylinder, a first hollow-out part is arranged on the side wall of the filter element cylinder, a water outlet nozzle communicated with the inside of the filter element cylinder is formed in the top of the outer wall of the filter element cylinder in a protruding mode, and the water outlet nozzle penetrates through the water outlet channel; the protrusion of the inner wall top of filter element section of thick bamboo is formed with a plurality of protruding muscle, and the both ends of protruding muscle are connected to the bottom opening edge of faucet and the inside wall of filter element section of thick bamboo respectively, and the height dimension of protruding muscle diminishes gradually in the direction of the bottom opening edge of the inside wall of filter element section of thick bamboo toward the faucet, and the position department that is close to protruding muscle in the filter element section of thick bamboo installs first filter screen piece.

Description

Filter equipment and water heater

Technical Field

The utility model relates to the technical field of water treatment, in particular to a filtering device and a water heater.

Background

Leading filter is installed to the water inlet of most water heaters on the market at present, and leading filter is used for filtering large granule impurity such as silt, rust, worm's ovum, red worm in the running water, prevents that the impurity of aquatic from getting into the water heater inside and gathering, ensures the clean life who reaches the extension water heater of water heater. However, the filter element of the pre-filter can form a resistance to tap water, and after the pre-filter is used for a long time, the water inlet flow of the water heater can be reduced, so that part of water heaters (such as gas water heaters) with higher water inlet flow requirements can not be normally used easily, and the shower experience of users can be reduced certainly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a filtering device which can reduce the resistance of water passing through a filter element, effectively increase the water outlet flow and improve the shower experience. In addition, the utility model also aims to provide a water heater adopting the filtering device.

In order to achieve the above object, the present invention provides a filter device comprising:

the top of the mounting cylinder is provided with a first open hole;

the mounting cover is connected to the first opening, and is provided with a water inlet channel and a water outlet channel which are communicated with the inside of the mounting cylinder; and

the filter element assembly is arranged in the mounting cylinder and comprises a filter element cylinder and a filter screen cylinder sleeved on the filter element cylinder, a filter material is arranged in the filter element cylinder, a first hollow part is formed in the side wall of the filter element cylinder, a water outlet nozzle communicated with the inside of the filter element cylinder is formed in the top of the outer wall of the filter element cylinder in a protruding mode, and the water outlet nozzle penetrates through the water outlet channel; the filter element comprises a water outlet nozzle, a filter element cylinder and a water outlet nozzle, wherein the top of the inner wall of the filter element cylinder is convexly provided with a plurality of convex ribs, two ends of each convex rib are respectively connected to the bottom opening edge of the water outlet nozzle and the inner side wall of the filter element cylinder, the height of each convex rib is gradually reduced from the inner side wall of the filter element cylinder to the bottom opening edge of the water outlet nozzle, and a first filter screen piece is installed at a position close to each convex rib in the filter element cylinder.

In some embodiments, the filter element cartridge is formed with a mounting step on an inner sidewall thereof adjacent to the rib, and the first filter mesh sheet is welded to the mounting step.

In some embodiments, the bottom of the filter element cylinder is provided with a second open opening, the second open opening is connected with a bottom cover in a sealing manner, and the bottom cover is provided with a second hollow part.

In some embodiments, the filter further comprises a second filter mesh sheet welded to the bottom cover and covering the second hollow.

In some embodiments, the bottom of the mounting cylinder is provided with a sewage discharge hole.

In some embodiments, the bottom of the inner wall of the installation cylinder is provided with a limiting protrusion abutted to the bottom of the filter element cylinder.

In some embodiments, a first seal ring is disposed between the filter element cartridge and the screen cartridge.

In some embodiments, the spout is fitted with a second sealing ring.

In some embodiments, the mounting cylinder is threadably connected to the mounting cap.

Compared with the prior art, the filter device has the beneficial effects that:

a plurality of protruding muscle with the relative interval in order to form hollow out construction in the inner wall top of first filter screen piece and filter screen section of thick bamboo, simultaneously the height dimension of protruding muscle certainly the inside wall of filter element section of thick bamboo toward diminish in the direction of the bottom opening edge of faucet gradually for this hollow out construction is hourglass hopper-shaped, and filterable water flows into outlet passage through first filter screen piece, hollow out construction and faucet in proper order, when rivers through hollow out construction, because hollow out construction is hourglass hopper-shaped, the cross sectional area that leads to rivers is littleer and more, thereby increased the water yield of rivers velocity of flow in order to improve outlet passage, in order to satisfy the user demand of water heater (for example gas heater), also promote simultaneously that the shower of user experiences and feels.

In addition, in order to achieve the purpose, the utility model also provides a water heater, which comprises a water inlet and a water outlet, wherein the filter device is arranged at the water inlet.

Drawings

FIG. 1 is a schematic diagram of the construction of a filtration apparatus according to some embodiments of the present invention;

FIG. 2 is an exploded schematic view of FIG. 1;

FIG. 3 is a schematic structural view of a filter element assembly according to some embodiments of the utility model;

FIG. 4 is an exploded schematic view of FIG. 3;

FIG. 5 is a schematic half-section view of FIG. 3;

FIG. 6 is a schematic structural view of a filter cartridge according to some embodiments of the utility model;

FIG. 7 is a schematic view of the structure of FIG. 6 in partial cutaway;

FIG. 8 is a schematic half-section view of FIG. 6;

FIG. 9 is a schematic view of the structure of FIG. 6 from another perspective;

FIG. 10 is a schematic structural view of a mounting cartridge of some embodiments of the present invention;

FIG. 11 is a schematic structural view of a bottom cover of some embodiments of the utility models;

in the figure, the position of the upper end of the main shaft,

1. mounting the cylinder; 11. a limiting bulge; 12. a sewage draining hole;

2. installing a cover; 21. a water inlet channel; 22. a water outlet channel;

3. a filter element assembly; 31. a filter element cartridge; 311. a first hollow-out section; 312. a water outlet nozzle; 313. a rib is protruded; 314. mounting a step; 32. a screen cylinder;

4. a first screen sheet;

5. a bottom cover; 51. a second hollowed-out portion;

6. a second filter mesh sheet;

7. a first seal ring;

8. and a second seal ring.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-11, an embodiment of the present invention provides a filter device, which includes an installation cylinder 1, an installation cover 2, and a filter element assembly 3; the mounting cylinder 1 is hollow inside, and the top of the mounting cylinder 1 is provided with a first open mouth; the mounting cover 2 is connected to the first opening, and the mounting cover 2 is provided with a water inlet channel 21 and a water outlet channel 22 which are communicated with the inside of the mounting cylinder 1; the filter element assembly 3 is arranged in the installation cylinder 1, the filter element assembly 3 comprises a filter element cylinder 31 and a filter screen cylinder 32 sleeved on the filter element cylinder 31, the filter element cylinder 31 is hollow inside, two ends of the filter element cylinder 31 are sealed structures, a filter material is arranged in the filter element cylinder 31, the filter material is a commonly used filter material, such as sponge or a porous ceramic rod, and the like, a first hollow part 311 is arranged on the side wall of the filter element cylinder 31, a water outlet nozzle 312 communicated with the inside of the filter element cylinder 31 is formed in a protruding mode at the top of the outer wall of the filter element cylinder 31, and the water outlet nozzle 312 is arranged in the water outlet channel 22 in a penetrating mode; the protruding a plurality of protruding muscle 313 that are formed with of inner wall top of filter core section of thick bamboo 31, the both ends of protruding muscle 313 are connected to the bottom opening edge of faucet 312 and the inside wall of filter core section of thick bamboo 31 respectively, and the height dimension of protruding muscle 313 diminishes gradually in the direction of the bottom opening edge of faucet 312 from the inside wall of filter core section of thick bamboo 31, and the position department that is close to protruding muscle 313 in the filter core section of thick bamboo 31 installs first filter screen piece 4.

It can be understood that the tap water firstly enters the installation cylinder 1 from the water inlet channel 21, then enters the filter element cylinder 31 through the first hollow part 311 after being primarily filtered by the filter element cylinder 32, then is secondarily filtered by the filter material in the filter element cylinder 31, and finally flows into the water outlet channel 22 from the water outlet nozzle 312 after being filtered by the first filter element 4, so that the tap water is filtered and purified. The filter screen cylinder 32 and the first filter screen sheet 4 are both of the conventional common filter screen structure, and are made of stainless steel, for example, and have the function of filtering large-particle impurities such as silt, rust, ova, red worms and the like in water.

A plurality of ribs 313 may be circumferentially disposed along the bottom opening edge of the spout 312. The ribs 313 may be formed by a plurality of intermittent bumps.

Based on above-mentioned technical scheme, a plurality of protruding muscle 313 with the relative interval of inner wall top of first filter screen piece 4 and filter screen section of thick bamboo 32 in order to form hollow out construction, simultaneously protruding muscle 313's height dimension diminishes gradually in the direction of the bottom opening edge of faucet 312 from the inside wall of filter element section of thick bamboo 31, make this hollow out construction be hourglass hopper-shaped, filterable water passes through first filter screen piece 4 in proper order, hollow out construction and faucet 312 flow in outlet channel 22, when rivers were through hollow out construction, because hollow out construction is hourglass hopper-shaped, lead to the cross sectional area of rivers littleer and smaller, thereby increased the water flow velocity in order to improve outlet channel 22's the discharge, in order to satisfy the user demand of water heater (for example gas heater), also promote user's shower experience simultaneously and feel.

Specifically, because the hollow out construction between the inner wall top of first filter screen piece 4 and filter screen cylinder 32 is hourglass hopper-shaped, hollow out construction's cross sectional area diminishes gradually from first filter screen piece 4 towards faucet 312's direction, according to the velocity of flow formula: when the same flow passes through the hollow structure, the cross-sectional area is reduced, and the flow velocity is increased, so that the flow velocity of the water outlet nozzle 312 is increased, and the water yield of the water outlet channel 22 is increased.

In some embodiments, in order to improve the installation stability of the first screen sheet 4 in the filter element cylinder 31, an installation step 314 is formed on the inner side wall of the filter element cylinder 31 near the rib 313, and the first screen sheet 4 is welded on the installation step 314. For example, the first screen sheet 4 is welded to the mounting step 314 by ultrasonic welding, so that the connection is stable and is difficult to loosen, and the use stability is improved.

In some embodiments, in order to improve the filtering efficiency, the bottom of the filter element cylinder 31 is opened with a second open port, the second open port is connected with the bottom cover 5 in a sealing manner, and the bottom cover 5 is opened with a second hollow part 51. The water in the installation cylinder 1 can directly enter the filter element cylinder 31 through the second hollow part 51 to be filtered by the filter material, so that the filtering efficiency is further improved.

In some embodiments, the filtration device of the present invention further comprises a second screen sheet 6, the second screen sheet 6 being mounted on the bottom cover 5 and covering the second hollowed-out portion 51. For example, the second filter screen sheet 6 is welded to the outer side of the bottom cover 5 by ultrasonic welding technology, so that the connection is stable and is difficult to loosen, and the use stability is improved.

Further, in order to clean the dirt on the first filter screen piece 4, the second filter screen piece 6 or the filter screen cylinder 32 conveniently, the bottom of the mounting cylinder 1 is provided with a sewage discharge hole 12. When dirt on the first filter screen piece 4 or the second filter screen piece 6 or the filter screen cylinder 32 needs to be cleaned, tap water flows in from the water outlet channel 22, the water inlet channel 31 is closed at the moment, and water washes the first filter screen piece 4, the second filter screen piece 6 and the filter screen cylinder 32 under the action of gravity, so that the cleaning purpose is achieved, the trouble of detaching and cleaning the first filter screen piece 4 or the second filter screen piece 6 or the filter screen cylinder 32 is avoided, and the use convenience is improved. In addition, the drainage hole 12 may be sealed off with a sealing member, such as a threaded fastener, when the filter device is in normal use.

In some embodiments, the bottom of the inner wall of the mounting cylinder 1 is provided with a limiting protrusion 11 abutting against the bottom of the filter element cylinder 31. The number of the limiting protrusions 11 can be multiple, and the limiting protrusions 11 are arranged along the circumferential direction of the installation cylinder 1 at intervals. After the filter element assembly 3 is installed in the installation cylinder 1, the limiting bulge 11 is abutted to the bottom of the filter element cylinder 31, and the purpose of installation and positioning is achieved.

In some embodiments, a first sealing ring 7 is provided between the filter element cylinder 31 and the filter screen cylinder 32. For example, the number of the first sealing rings 7 is two, and the two ends of the filter element cylinder 31 are sleeved with the two first sealing rings 7, so that the sleeving stability between the filter element cylinder 31 and the filter screen cylinder 32 is improved, the water sealing effect is better, and water leakage is prevented.

In some embodiments, the spout 312 is fitted with a second sealing ring 8. The second sealing ring 8 is used for filling a gap between the water outlet nozzle 312 and the water outlet channel 22, and plays a role in waterproof sealing.

In some embodiments, the mounting cylinder 1 is screwed to the mounting cap 2. Specifically, for example, the outer side surface of the mounting cylinder 1 is provided with an external thread structure, and the inner side surface of the mounting cover 2 is provided with a corresponding internal thread structure; or the inner side surface of the mounting cylinder 1 is provided with an internal thread structure, and the outer side surface of the mounting cover 2 is provided with a corresponding external thread structure. The installation cylinder 1 and the installation cover 2 are connected in a detachable mode through threads, and are convenient to disassemble and wash. Further, in order to improve the sealing and waterproof performance of the connection between the installation cylinder 1 and the installation cover 2, a sealing ring slot is arranged at the bottom of the installation cylinder 1 and used for installing a sealing ring to achieve the waterproof purpose.

In some embodiments, the cross-sectional area of the inlet channel 21 is different from the cross-sectional area of the outlet channel 22, for example, the cross-sectional area of the inlet channel 21 is smaller than the cross-sectional area of the outlet channel 22, and similarly, the cross-sectional area of the nozzle 312 is larger than the cross-sectional area of the inlet channel 21, so that the nozzle 312 can be quickly inserted into the outlet channel 22 by using the dimensional fit relationship, thereby improving the assembly efficiency.

To sum up, the embodiment of the present invention provides a filtering apparatus, wherein a plurality of ribs 313 relatively space the top of the inner wall of the first filter screen 4 and the filter screen cylinder 32 to form a hollow structure, and the height dimension of the ribs 313 gradually decreases from the inner side wall of the filter element cylinder 31 to the bottom opening edge of the water outlet nozzle 312, so that the hollow structure is funnel-shaped, the filtered water sequentially flows into the water outlet channel 22 through the first filter screen 4, the hollow structure and the water outlet nozzle 312, when the water flows through the hollow structure, the cross-sectional area of the water flow decreases due to the funnel-shaped hollow structure, thereby increasing the flow rate of the water flow to increase the water output of the water outlet channel 22, so as to meet the use requirement of a water heater (e.g., a gas water heater), and simultaneously improve the shower experience of a user.

In addition, the utility model also provides a water heater, which comprises a water inlet and a water outlet (not shown in the figure), wherein the water inlet is provided with the filtering device. The structure of the filtering device is the same as that of the filtering device, and thus the description is omitted here.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A filter device, comprising:

the top of the mounting cylinder is provided with a first open hole;

the filter element assembly is arranged in the mounting cylinder and comprises a filter element cylinder and a filter screen cylinder sleeved on the filter element cylinder, a filter material is arranged in the filter element cylinder, a first hollow part is formed in the side wall of the filter element cylinder, a water outlet nozzle communicated with the inside of the filter element cylinder is formed in the top of the outer wall of the filter element cylinder in a protruding mode, and the water outlet nozzle penetrates through the water outlet channel; the inner wall top protrusion of filter element section of thick bamboo is formed with a plurality of protruding muscle, the both ends of protruding muscle are connected to respectively the bottom opening edge of faucet reaches the inside wall of filter element section of thick bamboo, the height dimension of protruding muscle certainly the inside wall of filter element section of thick bamboo is past diminish in the direction at the bottom opening edge of faucet gradually, be close to in the filter element section of thick bamboo the position department of protruding muscle installs first filter screen piece.

2. The filtration apparatus of claim 1, wherein said cartridge includes a mounting step formed on an inner sidewall thereof adjacent said ribs, said first screen segment being welded to said mounting step.

3. The filtering device according to claim 1, wherein a second open opening is formed at a bottom of the filter element cylinder, a bottom cover is connected to the second open opening in a sealing manner, and a second hollow portion is formed in the bottom cover.

4. The filtration device of claim 3, further comprising a second screen sheet welded to the bottom cover and covering the second hollowed-out portion.

5. The filter device according to claim 4, wherein the bottom of the mounting cylinder is provided with a sewage discharge hole.

6. The filter device as claimed in claim 1, wherein the bottom of the inner wall of the mounting cylinder is provided with a limiting protrusion abutting against the bottom of the filter cartridge cylinder.

7. The filter device according to any one of claims 1 to 6, wherein a first sealing ring is provided between the cartridge and the screen cylinder.

8. A filter device as claimed in any one of claims 1 to 6, wherein the nozzle is provided with a second sealing ring.

9. The filter apparatus of any of claims 1-6, wherein the mounting cartridge is threadably coupled to the mounting cap.

10. A water heater comprising a water inlet and a water outlet, wherein the water inlet is provided with a filter device as claimed in any one of claims 1 to 9.