CN212455646U - Filter valve core - Google Patents
Filter valve core Download PDFInfo
- Publication number
- CN212455646U CN212455646U CN202020268723.0U CN202020268723U CN212455646U CN 212455646 U CN212455646 U CN 212455646U CN 202020268723 U CN202020268723 U CN 202020268723U CN 212455646 U CN212455646 U CN 212455646U
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- Prior art keywords
- pressure relief
- water
- screen
- pressure
- outlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 238000007789 sealing Methods 0.000 claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000000746 purification Methods 0.000 claims abstract description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 10
- 239000010935 stainless steel Substances 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 7
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 abstract description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052801 chlorine Inorganic materials 0.000 abstract description 3
- 239000000460 chlorine Substances 0.000 abstract description 3
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 3
- 150000002500 ions Chemical class 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- -1 stink Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Water Treatment By Sorption (AREA)
Abstract
The utility model provides a filter valve core, including the case body this internal pressure release chamber and the pressure release outlet of forming of case, the pressure release chamber with pressure release outlet intercommunication the pressure release intracavity is equipped with pressure relief device, pressure relief device includes seal assembly, elastic component and adjusting nut, wherein seal assembly with the pressure release outlet offsets, elastic component set up in seal assembly with between the adjusting nut. The size of the spring deflection can be adjusted through the adjusting nut, so that the size of a pressure relief value after pressure bearing in a waterway system is changed, and when the water pressure is greater than the pressure relief value, the sealing assembly opens the pressure relief water outlet to relieve the pressure. The first filter screen on the valve core can filter out large particle impurities in water; the second filter screen consists of inner layer water purification activated carbon, middle layer fine gauze and outer layer stainless steel mesh, and can effectively remove harmful substances such as odor, chlorine, cyanogen and various heavy metal ions.
Description
Technical Field
The utility model relates to a gas heater technical field, concretely relates to filter element.
Background
The filtering valve core is an important part of a water inlet valve in a gas water heater or an electric water heater and a gas heating furnace, and is directly connected with an external water channel, so that the quality of water in external pipelines is different and the filtering valve core is also influenced by the environment. For example, in areas with poor water quality, more stains and fine gravel are likely to block the water inlet, so that the water inlet flow is reduced, and the water inlet flow is lower than the starting flow in severe cases, so that the machine cannot be ignited and started, and the normal use of the machine is influenced. In addition, the blocked water inlet end easily forms torrent under the action of external water flow, a large amount of bubbles are generated, and the data acquisition accuracy of the water flow sensor is influenced.
The filter valve core arranged on the existing water inlet valve body only plays a role of discharging water, and the water inlet valve cannot complete pressure relief action and cannot complete water quality purification action when the water pressure is too high. Firstly make the internal component of machine take place the spalling damage easily, secondly will realize that water heater water quality filtration needs the external great bulky filter equipment, and the price is comparatively expensive, also influences simultaneously and decorates pleasing to the eye degree.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent, for this reason, the utility model aims to provide a filter element can carry out the pressure release when water pressure is too big.
The above purpose is realized by the following technical scheme:
the utility model provides a filter valve core, includes the case body form pressure release chamber and pressure release outlet in the case body, pressure release chamber with the pressure release outlet intercommunication be equipped with pressure relief device in the pressure release chamber, pressure relief device includes seal assembly, elastic component and adjusting nut, wherein seal assembly with the pressure release outlet offsets, elastic component set up in seal assembly with between the adjusting nut.
As a further improvement of the utility model, the seal assembly includes disk seat and seal valve, the seal valve set up in the disk seat, elastic component set up in the disk seat with between the adjusting nut, the seal valve is used for sealing or opens the pressure release outlet.
As a further improvement of the utility model the inner wall of the pressure relief cavity is provided with an internal thread, adjusting nut with the internal thread closes soon, and the accessible the internal thread axial is adjusted adjusting nut's position.
As a further improvement, the pressure relief water drainage opening is located still to be equipped with pressure relief filter screen screens and pressure relief mouth filter screen, pressure relief mouth filter screen is established on the pressure relief filter screen screens.
As a further improvement of the utility model, case body one end sets up the intake cavity, intake cavity with pressure release outlet intercommunication, the intake cavity is kept away from the one end of case body is equipped with the installed part.
As a further improvement of the present invention, the mounting member is provided with a first filter screen between the valve body, the first filter screen is in interference fit with the outer wall of the valve body, and in interference fit with the outer wall of the mounting member.
As a further improvement, the utility model also comprises a second filter screen, the mounting part is inboard to be equipped with the draw-in groove, the tip is embedded into under the second filter screen in the draw-in groove, with will the second filter screen with the draw-in groove is connected.
As a further improvement of the utility model, the first filter screen is made of stainless steel wires; the second filter screen comprises three layers, namely an outer layer, a middle layer and an inner layer, the outer layer and the middle layer wrap the inner layer inside, the outer layer is a stainless steel mesh, the middle layer is fine gauze, and the inner layer is water purification activated carbon.
As a further improvement of the utility model, a water outlet is arranged at the bottom of the mounting part, and water is discharged from the water outlet through the first filter screen and the second filter screen; and a water inlet is formed in the side wall of the mounting part, the water inlet is communicated with the water inlet cavity, and water enters the water inlet cavity from the first filter screen through the water inlet.
As a further improvement of the present invention, the diameter of the water outlet is larger than the diameter of the pressure relief outlet.
Compared with the prior art, the utility model discloses an at least including following beneficial effect:
1. the utility model provides a filter element is through the size of the adjustable spring deflection of adjusting nut to change the size of pressure release value behind the pressure-bearing among the water route system, when water pressure was greater than the pressure release value, seal assembly opened the pressure release outlet, carried out the pressure release.
2. The combination collocation of first filter screen and second filter screen can the filtering aquatic large granule thing impurity, and the water purification active carbon filter screen of configuration simultaneously can effectively detach harmful substance such as stink, chlorine, cyanogen and multiple heavy metal ion.
Drawings
Fig. 1 is a cross-sectional view of a filter cartridge in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a filter cartridge without first and second screens attached in accordance with an embodiment of the present invention;
fig. 3 is a schematic structural view of a second filter screen in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a filter cartridge according to an embodiment of the present invention.
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. 1-4, the filter cartridge of the present invention is shown, as shown in fig. 2 and fig. 3, including a cartridge body 1, a pressure relief cavity 2 and a pressure relief outlet 3 are formed in the cartridge body 1, the pressure relief cavity 2 is communicated with the pressure relief outlet 3, a pressure relief device 21 is disposed in the pressure relief cavity 2, the pressure relief device 21 includes a sealing assembly 211, an elastic member 212 and an adjusting nut 213, wherein the sealing assembly 211 abuts against the pressure relief outlet 3, and the elastic member 212 is disposed between the sealing assembly 211 and the adjusting nut 213. One end of the elastic member 212 abuts against the adjusting nut 213, the other end abuts against the sealing component 211, the sealing component 211 abuts against the pressure relief water outlet 3, the pressure relief water outlet 3 is sealed, at this time, the elastic pre-tightening force of the elastic member 212 is F1, when the pressure of the water path system is higher than the elastic pre-tightening force F1, the sealing component 211 is opened from the pressure relief water outlet 3, and the flowing water flows into the pressure relief cavity 2 from the pressure relief water outlet 3 and flows out through the pressure relief cavity 2 to relieve the pressure. When the pressure is relieved until the water pressure is smaller than the elastic pretightening force F1, the sealing component 211 is abutted against the pressure relief water outlet 3, and the pressure is not relieved. The sealing assembly 211 comprises a valve seat 2111 and a sealing valve 2112, the sealing valve 2112 is disposed in the valve seat 2111, the elastic member 212 is disposed between the valve seat 2111 and the adjusting nut 213, and the sealing valve 2112 is used for sealing or opening the pressure relief outlet 3. In this embodiment, the elastic member 212 is a spring.
The inner wall of the pressure relief cavity 2 is provided with an internal thread, the adjusting nut 213 is screwed with the internal thread, and the position of the adjusting nut 213 can be axially adjusted through the internal thread. The elastic pretightening force F1 can be adjusted by adjusting the position of the adjusting nut 213, when the adjusting nut 213 moves downwards, the deformation of the spring is increased, and the elastic pretightening force F1 is increased; when the adjusting nut 213 moves upward, the deformation of the spring decreases, and the elastic preload F1 decreases. Can be adjusted according to actual conditions.
The pressure relief outlet 3 is also provided with a pressure relief filter screen position location 31 and a pressure relief opening filter screen 32, and the pressure relief opening filter screen 32 is arranged on the pressure relief filter screen position location 31.
A water inlet cavity 4 is arranged at one end of the valve core body 1, the water inlet cavity 4 is communicated with the pressure relief water outlet 3, and an installation part 5 is arranged at one end, far away from the valve core body 1, of the water inlet cavity 4. The valve core body 1, the water inlet cavity 4 and the mounting piece 5 are integrally formed and formed by molding brass and then machining.
A first filter screen 6 is arranged between the mounting part 5 and the valve core body 1, and the first filter screen 6 is in interference fit with the outer wall of the valve core body 1 and is in interference fit with the outer wall of the mounting part 5. The first filter screen 6 is convenient to install and detach.
Still include second filter screen 7 5 inboards are equipped with the draw-in groove of installed part, the tip is embedded into under the second filter screen 7 in the draw-in groove, with will second filter screen 7 with the draw-in groove is connected. Second filter screen 7 is in first filter screen 6, just second filter screen 7 bottom is equipped with the flange of outside extension, the flange imbeds in the draw-in groove. When second filter screen 7 need be changed or maintained, dismantle first filter screen 6 after, can dismantle second filter screen 7, it is convenient to dismantle, and the user of being convenient for uses.
A water outlet 51 is arranged at the bottom of the mounting piece 5, and water is discharged from the water outlet 51 through the first filter screen 6 and the second filter screen 7; be equipped with inlet opening 52 on 5 lateral walls of installed part, inlet opening 52 with intake cavity 4 intercommunication, water from first filter screen 6 gets into through inlet opening 52 gets into in the intake cavity 4. The diameter of the water outlet 51 is greater than that of the pressure relief water outlet 3, in this embodiment, the diameter of the water outlet 51 is greater than that of the pressure relief water outlet 3, so that after flowing water enters from the first filter screen 6, most of the flowing water is discharged from the water outlet 51 through the second filter screen 7, and the rest of the flowing water enters into the water inlet cavity 4 from the water inlet on the side wall of the mounting member 5 and reaches the pressure relief water outlet 3, and when the water pressure is less than the elastic pre-tightening force F1, the sealing valve 2112 is not opened; when the water pressure is greater than the elastic pretightening force F1, the sealing valve 2112 is opened, and the running water can be discharged through the pressure relief cavity 2.
The flowing water flowing through the filtering valve core is filtered through the first filter screen 6 and the second filter screen 7, so that the water inlet is prevented from being blocked by dirt and fine gravel in the flowing water, the water inlet flow is reduced, and the water inlet flow is lower than the starting flow to cause the machine to be incapable of being ignited and started when the water inlet flow is serious, so that the normal use of the machine is influenced.
The pressure relief outlet 3 is provided with a pressure relief port filter screen 32, and flowing water is discharged from the pressure relief cavity 2 through the first filter screen 6 and the pressure relief port filter screen 32, and is filtered twice, so that impurities in the flowing water can be filtered, and the pressure relief cavity 2 is prevented from being blocked by the impurities in the flowing water. The normal use of the valve core is ensured.
The first filter screen 6 is made of stainless steel wires and is cylindrical, and can filter large particle impurities in water; as shown in fig. 3, the second filter screen 7 includes three layers, which are an outer layer 71, a middle layer 72, and an inner layer 73, the inner layer 73 is wrapped inside the outer layer 71 and the middle layer 72, the outer layer 71 is a stainless steel net, the middle layer 72 is a fine gauze, and the inner layer 73 is water purification activated carbon. The outer layer 71 is made of stainless steel net and the middle layer 72 is made of fine gauze, so that the inner layer 73 is coated with water purification activated carbon particles to prevent overflow.
In this embodiment, the number of the first filter screen 6 is set to 60 meshes, the filter screen is made of stainless steel, the allowable value of the passing diameter of particles is 2800 μm, and meanwhile, the arrangement of the outer arc surface can prevent large particles from entering the inner channel of the valve core to the maximum extent, and the large particles can flow along the wall along the arc surface of the side section of the filter screen through the outer arc surface, so that the large particles are not easy to attach to the filter screen to affect the area of the water inlet channel, and meanwhile, the filter screen also has a buffering effect on water flow, and bubbles and noise of water flow caused by torrent are reduced.
The mesh number of the stainless steel mesh on the outer layer 71 of the second filter screen 7 is 60-70 meshes, the particle diameter can be 2800-. The capillary tube has strong adsorption capacity, and the surface area and the gaps of the carbon particles are developed, so the capillary tube can be fully contacted with impurities, and the filtering and purifying effect is excellent. Because impurity in the water is filtered by the first filter screen 6, the first round of filtration is carried out, and the water purification active carbon is columnar particles, has large specific surface area, developed micropores, high mechanical strength, high adsorption speed, high purification degree, difficult powder removal and long service life. The second filter screen 7 can effectively remove harmful substances such as odor, chlorine, cyanogen and various heavy metal ions. The utility model provides a filter element can realize quality of water purification filtration, also can realize the inside superpressure guard action of machine, has characteristics such as installation dismantlement convenience, practicality are strong.
As shown in fig. 1, an external thread 11 is provided on the outer wall of the valve core body 1 for installing the valve core in the water inlet valve. The outer wall of the valve core body 1 is also provided with an annular mounting groove, the annular mounting groove is provided with an O-shaped sealing ring, and when the valve core is arranged in the water inlet valve, the O-shaped sealing ring prevents water leakage.
The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.
Claims (10)
1. The utility model provides a filter valve core, its characterized in that includes case body (1), form pressure release chamber (2) and pressure release outlet (3) in case body (1), pressure release chamber (2) with pressure release outlet (3) intercommunication be equipped with pressure relief device (21) in pressure release chamber (2), pressure relief device (21) include seal assembly (211), elastic component (212) and adjusting nut (213), wherein seal assembly (211) with pressure release outlet (3) offset, elastic component (212) set up in seal assembly (211) with between adjusting nut (213).
2. A filter cartridge according to claim 1, wherein the sealing assembly (211) comprises a valve seat (2111) and a sealing valve (2112), the sealing valve (2112) being arranged in the valve seat (2111), the resilient member (212) being arranged between the valve seat (2111) and the adjustment nut (213), the sealing valve (2112) being arranged to seal or open the pressure relief drain (3).
3. A filter cartridge according to claim 1, wherein an internal thread is provided on the inner wall of the pressure relief chamber (2), the adjusting nut (213) being screwed into the internal thread and the position of the adjusting nut (213) being axially adjustable by means of the internal thread.
4. The filter cartridge of claim 1, wherein a pressure relief screen detent (31) and a pressure relief opening screen (32) are further disposed at the pressure relief outlet (3), and the pressure relief opening screen (32) is disposed on the pressure relief screen detent (31).
5. The filter cartridge according to any one of claims 1 to 4, wherein a water inlet cavity (4) is formed at one end of the cartridge body (1), the water inlet cavity (4) is communicated with the pressure relief water outlet (3), and a mounting part (5) is arranged at one end of the water inlet cavity (4) far away from the cartridge body (1).
6. A filter cartridge according to claim 5, wherein a first screen (6) is provided between the mounting member (5) and the cartridge body (1), the first screen (6) being in interference fit with the outer wall of the cartridge body (1) and in interference fit with the outer wall of the mounting member (5).
7. A filter cartridge according to claim 6, further comprising a second screen (7), wherein a clamping groove is provided inside the mounting member (5), and a lower end portion of the second screen (7) is inserted into the clamping groove to connect the second screen (7) with the clamping groove.
8. A filter cartridge according to claim 7, wherein the first screen (6) is of stainless steel wire; the second filter screen (7) comprises three layers, namely an outer layer (71), a middle layer (72) and an inner layer (73), wherein the outer layer (71) and the middle layer (72) are used for wrapping the inner layer (73) in the inner part, the outer layer (71) is a stainless steel net, the middle layer (72) is fine gauze, and the inner layer (73) is water purification activated carbon.
9. A filter cartridge according to claim 7, wherein a water outlet (51) is provided at the bottom of the mounting member (5), water being discharged from the water outlet (51) via the first screen (6) and the second screen (7); be equipped with inlet opening (52) on installed part (5) lateral wall, inlet opening (52) with intake cavity (4) intercommunication, water is followed first filter screen (6) get into the warp intake opening (52) enter into in intake cavity (4).
10. A filter cartridge according to claim 9, characterised in that the diameter of the outlet (51) is greater than the diameter of the relief vent (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020268723.0U CN212455646U (en) | 2020-03-06 | 2020-03-06 | Filter valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020268723.0U CN212455646U (en) | 2020-03-06 | 2020-03-06 | Filter valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212455646U true CN212455646U (en) | 2021-02-02 |
Family
ID=74480000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020268723.0U Active CN212455646U (en) | 2020-03-06 | 2020-03-06 | Filter valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212455646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062706A (en) * | 2021-04-06 | 2021-07-02 | 中南大学 | Coal seam gas extraction system and method |
-
2020
- 2020-03-06 CN CN202020268723.0U patent/CN212455646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062706A (en) * | 2021-04-06 | 2021-07-02 | 中南大学 | Coal seam gas extraction system and method |
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