CN110701358B - Inlet valve assembly and water heater - Google Patents
Inlet valve assembly and water heater Download PDFInfo
- Publication number
- CN110701358B CN110701358B CN201810756870.XA CN201810756870A CN110701358B CN 110701358 B CN110701358 B CN 110701358B CN 201810756870 A CN201810756870 A CN 201810756870A CN 110701358 B CN110701358 B CN 110701358B
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- valve body
- water
- water inlet
- scale inhibitor
- handle portion
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 163
- 239000002455 scale inhibitor Substances 0.000 claims abstract description 78
- 230000002093 peripheral effect Effects 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 230000005764 inhibitory process Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000002245 particle Substances 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The invention discloses a water inlet valve assembly and a water heater, wherein the water inlet valve assembly is used for being installed at a water inlet of the water heater, and comprises: the water inlet valve body comprises a valve body and a valve core, wherein the valve core is arranged on the valve body and used for controlling the valve body to be conducted or closed, and a mounting hole is formed in the peripheral wall of the valve body; the scale inhibitor comprises a shell and a scale inhibitor arranged in the shell, the shell stretches into the valve body from the mounting hole, the shell is in sealing connection with the valve body, a water passing hole is formed in the part of the shell, which is positioned in the valve body, and the water passing hole is used for releasing the scale inhibitor towards the valve body. According to the technical scheme, the water inlet valve and the scale inhibitor are assembled together, so that waste of water resources can be avoided when the scale inhibitor is added.
Description
Technical Field
The invention relates to the field of water heaters, in particular to a water inlet valve assembly and a water heater.
Background
During operation, the water heater often accumulates some impurities (such as large particles, dirt, etc.) in its liner. Generally, a scale inhibitor is often disposed in the inner container of the water heater, and the scale inhibitor performs a physical or chemical reaction with certain elements or substances or impurities in the water, so that the formation of scale in the water is reduced.
The prior scale inhibitor is generally directly arranged on the liner, namely, a mounting hole is generally formed on the liner independently, the scale inhibitor is put into the liner from the mounting hole, and then the mounting hole is sealed. However, since the scale inhibitor in the scale inhibitor is slowly consumed over time, the scale inhibitor needs to be frequently taken out to be replenished. In order to take out the scale inhibitor, the existing installation mode needs to open the installation hole of the liner, water is often filled in the liner, and water in the liner flows out to cause waste of water resources when the installation hole is opened.
Disclosure of Invention
The invention mainly aims to provide a water inlet valve assembly, which aims to install a scale inhibitor on a water inlet valve so as to avoid waste of water resources when adding the scale inhibitor.
In order to achieve the above object, the present invention provides a water inlet valve assembly for being installed at a water inlet of a water heater, the water inlet valve assembly comprising:
the water inlet valve body comprises a valve body and a valve core, wherein the valve core is arranged on the valve body and used for controlling the valve body to be conducted or closed, and a mounting hole is formed in the peripheral wall of the valve body; and
The scale inhibition device comprises a shell and a scale inhibitor arranged in the shell, wherein the shell stretches into the valve body from the mounting hole, the shell is in sealing connection with the valve body, a water passing hole is formed in the part of the shell, which is positioned in the valve body, and the water passing hole is used for releasing the scale inhibitor towards the valve body.
Optionally, the shell includes handle portion and stretches into the portion, the handle portion with stretch into the portion and all be the tube-shape setting, the one end of handle portion is closed, and the other end is open setting, it is open to stretch into portion one end, and the other end is equipped with the shielding piece, the open end of handle portion with stretch into the open end of portion and cup joint, the handle portion at least partially exposes outside the valve body, just the handle portion with the valve body can dismantle and be connected, stretch into the portion and stretch into in the valve body, just be equipped with on the perisporium of stretch into the portion the water hole.
Optionally, an external thread is provided on the outer peripheral surface of the handle portion, and an internal thread screwed with the external thread is provided on the wall of the mounting hole.
Optionally, the outer peripheral surface of the handle part is provided with a stop protrusion, and the stop protrusion is abutted with the outer peripheral surface of the valve body.
Optionally, a sealing ring is sleeved outside the handle part, and the sealing ring is in sealing abutting connection with the hole wall of the mounting hole.
Optionally, a limiting ring rib is arranged on the outer peripheral surface of the handle part, and a limiting ring groove matched with the limiting ring rib is arranged on the inner peripheral surface of the extending part.
Optionally, an anti-rotation rib is arranged on the outer peripheral surface of the extending part, an anti-rotation groove is correspondingly arranged on the inner wall of the valve body, and the anti-rotation rib is in fit and insertion with the anti-rotation groove.
Optionally, the extending part comprises two annular frameworks which are arranged at intervals, and a plurality of strip frameworks which are connected with the two annular frameworks, and the interval between two adjacent strip frameworks forms the water passing hole.
Optionally, a filter screen is further arranged in the extending part, and the filter screen covers the inner hole of the valve body.
Optionally, a limiting rib is arranged in the extending portion, the limiting rib extends along the axis of the extending portion and is close to the inner peripheral surface of the extending portion, the filter screen extends along the peripheral wall of the extending portion, and the filter screen is located between the limiting rib and the inner surface of the extending portion.
Optionally, the scale inhibition device further comprises a magnetic rod, and the magnetic rod is arranged in the shell.
The invention also provides a water heater, which comprises an inner container and a water inlet valve assembly, wherein the inner container is provided with a water inlet, the water inlet valve assembly is arranged at the water inlet, and the water inlet valve assembly comprises:
the water inlet valve body comprises a valve body and a valve core, wherein the valve core is arranged on the valve body and used for controlling the valve body to be conducted or closed, and a mounting hole is formed in the peripheral wall of the valve body; and
The scale inhibition device comprises a shell and a scale inhibitor arranged in the shell, wherein the shell stretches into the valve body from the mounting hole, the shell is in sealing connection with the valve body, a water passing hole is formed in the part of the shell, which is positioned in the valve body, and the water passing hole is used for releasing the scale inhibitor towards the valve body.
In the invention, the scale inhibitor is arranged on the valve body of the water inlet valve body, which is equivalent to integrating the scale inhibitor and the water inlet valve together to form a whole module, so that the valve body and the inner container of the water heater are only required to be arranged when the scale inhibitor is arranged, and the scale inhibitor and the water inlet valve are not required to be independently arranged, thereby simplifying the installation steps of the water inlet valve body and the scale inhibitor and the water heater. In addition, because the scale inhibitor is integrated on the water inlet valve and is positioned outside the inner container of the water heater, when the scale inhibitor is required to be added, the connection between the water inlet valve and the inner container is unchanged, and only the scale inhibitor is required to be removed from the water inlet valve without the whole part being pulled away from the inner container, so that the abrasion between the water inlet valve assembly and the inner container can be reduced, and the sealing reliability between the water inlet valve assembly and the inner container is ensured. Furthermore, when the scale inhibitor is taken down, the water inlet valve is closed, and water in the liner cannot flow out, so that a user cannot be wetted, and the waste of water resources cannot be caused.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of a fill valve assembly of the present invention;
FIG. 2 is a cross-sectional view of the fill valve assembly of FIG. 1;
FIG. 3 is a schematic view of the handle portion of FIG. 1;
FIG. 4 is a schematic cross-sectional view of the handle portion of FIG. 3;
FIG. 5 is a schematic cross-sectional view of the housing of FIG. 2;
FIG. 6 is a schematic view of the housing of FIG. 2;
FIG. 7 is a schematic view of the structure of the protrusion in FIG. 2;
FIG. 8 is a schematic cross-sectional view of the protrusion of FIG. 7;
fig. 9 is a schematic plan view of the projecting portion in fig. 7.
Reference numerals illustrate:
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a water heater, in particular to a water heater which can be an electric water heater, a gas water heater or a solar water heater and the like.
In the embodiment of the invention, the water heater can comprise an inner container, wherein the inner container is provided with a water inlet and a water outlet, the water inlet is provided with a water inlet valve assembly, and the water outlet is provided with a water outlet valve assembly. As shown in fig. 1, in an embodiment of the present invention, a water inlet valve assembly includes a water inlet valve body 10 and a scale inhibitor 20.
Referring to fig. 2 in combination, the water inlet valve body 10 includes a valve body 11 and a valve core 12, wherein the valve core 12 is mounted on the valve body 11 for controlling the valve body 11 to be turned on or off. The valve body 11 is provided in a substantially cylindrical shape for water to pass through. The water inlet end of the valve body 11 is communicated with the water inlet pipe, for example, threads can be arranged on the water inlet end of the valve body 11 for connecting the water inlet pipe; the water outlet end of the valve body 11 is connected with the water inlet of the inner container or the water inlet end of the heat exchange pipeline. The valve core 12 may be a manual valve core or an electric valve core, that is, the water inlet valve body 10 may be a manual valve or a solenoid valve. The valve core 12 can control the valve body 11 to be conducted or closed so as to control the passing of water flow.
The scale inhibitor 20 comprises a housing 21 (as shown in fig. 5) and a scale inhibitor 213 arranged in the housing 21, wherein a mounting hole (not shown in the figure) is arranged on the peripheral wall of the valve body 11, the housing 21 extends into the valve body 11 from the mounting hole, and the housing 21 is in sealing connection with the valve body 11 so as to prevent water in the valve body 11 from leaking out from the joint of the housing 21 and the valve body 11. The portion of the housing 21 located in the valve body 11 is provided with water passing holes 212a (as shown in fig. 7), and the water passing holes 212a are used for releasing the small-particle scale inhibitor 213 into the valve body 11, so that when water flows into the housing 21 through the water passing holes 212a on the housing 21, the scale inhibitor 213 is soaked by the water, and slowly releases the small-particle scale inhibitor 213, and the small-particle scale inhibitor 213 is dissolved in the water, flows out from the water passing holes 212a along with the water, and flows to the water outlet end of the valve body 11. The scale inhibitor 213 is capable of physically or chemically reacting with certain elements or substances or impurities in the water, thereby reducing scale formation in the water.
In the embodiment of the invention, a valve core 12 is arranged at the water outlet end of a valve body 11, and a scale inhibitor 20 is arranged at the water inlet end of the valve body 11; of course, the scale inhibitor 20 may also be mounted at the water outlet end of the valve body 11.
In the invention, the scale inhibitor 20 is arranged on the valve body 11 of the water inlet valve body 10, which is equivalent to that the scale inhibitor 20 and the water inlet valve are integrated to form a whole module, so that the water inlet valve body 10 and the scale inhibitor 20 can be simply arranged with the water heater without arranging the water inlet valve body 10 and the scale inhibitor 20 on the water heater inner container independently when arranging the water inlet valve body 11 and the water heater inner container. In addition, because the scale inhibitor 20 is integrated on the water inlet valve and is positioned outside the inner container of the water heater, when the scale inhibitor 213 is required to be added, the connection between the water inlet valve and the inner container is unchanged, and only the scale inhibitor 20 is required to be removed from the water inlet valve, and the whole part is not required to be pulled away from the inner container, so that the abrasion between the water inlet valve assembly and the inner container can be reduced, and the sealing reliability between the water inlet valve assembly and the inner container is ensured. Furthermore, when the scale inhibitor 20 is removed, the water inlet valve is closed, and water in the liner cannot flow out, so that a user cannot be wetted, and water resources are not wasted.
In this embodiment, the housing 21 includes a handle portion 211 and an extending portion 212, the handle portion 211 and the extending portion 212 are both in a tubular shape, one end of the handle portion 211 is closed, the other end is in an open shape, one end of the extending portion 212 is open, the other end is provided with a shielding member, and the open end of the handle portion 211 is sleeved with the open end of the extending portion 212. Specifically, the scale inhibitor 213 may be first placed in the handle 211 or the inner space of the extending portion 212, and then the handle 211 and the extending portion 212 are sleeved together to prevent the scale inhibitor 213 from falling out. The shielding member is disposed at the other end of the extending portion 212, so as to prevent the scale inhibitor 213 from falling out, and the shielding member may be a plurality of shielding ribs 2124 (as shown in fig. 7) disposed in a staggered manner, or the shielding member may be a shielding cover, and is disposed to completely cover the other end of the extending portion 212. In this embodiment, the extending portion 212 is used as a water passing element, so the extending portion 212 extends into the valve body 11, and the peripheral wall of the extending portion 212 is provided with water passing holes 212a. The handle portion 211 serves as a gripping member, so that the handle portion 211 is at least partially exposed outside the valve body 11 for gripping by a user. The handle portion 211 is sealingly connected to the valve body 11 to prevent water from flowing out, while one end of the handle portion 211 is closed to also prevent water from flowing out of the valve body 11. In other embodiments, the housing 21 may include a cover plate and a cylinder with one end open and the other end closed, the cover plate being disposed at the open end of the cylinder.
Since the scale inhibitor 213 is slowly released, it is necessary to frequently add the scale inhibitor 213 or replace the scale inhibitor 20, so in this embodiment, the handle portion 211 is detachably connected to the valve body 11, the handle portion 211 can be removed, the extending portion 212 is connected to the handle portion 211, and can be removed together with the extending portion 212, and after the scale inhibitor 20 is completely removed, the handle portion 211 and the extending portion 212 are separated, and the scale inhibitor 213 is added to the scale inhibitor 20.
Referring to fig. 3 and 4 in combination, there are various ways in which the handle portion 211 is detachably connected to the valve body 11, for example, in some embodiments, an outer peripheral surface of the handle portion 211 is provided with an external thread 2111, and a hole wall of the mounting hole is provided with an internal thread (not shown) screwed with the external thread 2111. After the handle portion 211 and the extending portion 212 are assembled, the extending portion 212 is extended into the valve body 11, and the handle portion 211 is rotated so that the internal threads and the external threads 2111 are screwed together. To prevent slipping during rotation, cleats may be provided on the outer peripheral surface of the handle portion 211. In other embodiments, two or more lugs may be provided on the outer peripheral surface of the handle portion 211, screw holes may be provided on the lugs, and studs may be provided on the outer peripheral surface of the valve body 11, the screw holes on the lugs being in abutment with the screw holes on the studs and being locked by screws.
Further, the handle 211 is sleeved with a sealing ring 214, and the sealing ring 214 is in sealing contact with the wall of the mounting hole so as to prevent water leakage of the valve body 11. In order to prevent the seal ring 214 from moving in the axial direction of the handle portion 211, a housing ring groove 211a is provided on the outer peripheral surface of the handle portion 211, and the seal ring 214 is provided in the housing ring groove 211a, so that the groove wall of the housing ring groove 211a has a blocking effect on the seal ring 214 and can restrict the movement of the seal ring 214.
In order to prevent the handle portion 211 from moving excessively toward the inside of the valve body 11 and pressing the inner peripheral wall of the valve body 11, the stopper protrusion 2112 is provided on the outer peripheral surface of the handle portion 211, and the stopper protrusion 2112 abuts against the outer peripheral surface of the valve body 11, so that the handle portion 211 can be prevented from continuing to move inward and pressing the inner peripheral wall of the valve body 11 after the stopper protrusion 2112 abuts against the outer peripheral surface of the valve body 11 during the inward rotation of the handle portion 211. The stop protrusion 2112 may be annular, or the stop protrusion 2112 may be plural, the plural stop protrusions 2112 being provided at intervals along the circumferential direction of the handle portion 211, for example, the stop protrusion 2112 may be two, four, five, or the like.
Referring to fig. 4 to 8, in the embodiment of the invention, the handle portion 211 and the extending portion 212 are detachably connected, so that the addition of the scale inhibitor 213 is more convenient. Specifically, the outer peripheral surface of the handle portion 211 is provided with a retainer ring rib 2113, and the inner peripheral surface of the extending portion 212 is provided with a retainer ring groove 212b that mates with the retainer ring rib 2113. The engagement of stop collar ribs 2113 and stop collar groove 212b can limit the axial outward movement of handle portion 211 along extension 212 out of engagement with extension 212. In order to facilitate the stop collar rib 2113 to slide into or slide out of the stop collar groove 212b, the opening of the stop collar groove 212b is gradually widened, so that the groove wall of the stop collar groove 212b forms a guide surface, and the stop collar rib 2113 can slide along the guide surface; in addition, the thickness of the retainer ring bead 2113 becomes gradually smaller in the protruding direction along the retainer ring bead 2113, i.e., the thickness of the end of the retainer ring bead 2113 near the handle portion 211 is greater than the thickness of the end distant from the handle portion 211. In addition, the positions of the stop collar rib 2113 and the stop collar groove 212b may be interchanged, that is, the stop collar rib 2113 is provided at the projecting portion 212 and the stop collar groove 212b is provided at the handle portion 211.
Referring to fig. 7 again, in order to prevent the extending portion 212 from rotating in the valve body 11, an anti-rotation rib 2121 is disposed on an outer peripheral surface of the extending portion 212, and an anti-rotation groove (not labeled) is correspondingly disposed on an inner wall of the valve body 11, where the anti-rotation rib 2121 is adapted to be inserted into the anti-rotation groove. When the handle 211 rotates, the limit ring rib 2113 on the handle 211 rotates in the limit ring groove 212b on the extending part 212, and the limit ring rib 2113 is always clamped in the limit ring groove 212 b; since the anti-rotation rib 2121 is caught in the anti-rotation groove, the projecting portion 212 does not rotate, and the projecting portion 212 merely moves outward or inward with the handle portion 211, so that the handle portion 211 brings the projecting portion 212 away or into the valve body 11. In addition, the anti-rotation ribs 2121 and the anti-rotation grooves can also play a role in positioning so that the projecting portion 212 can be installed at an angle required by the user. Optionally, the anti-rotation bar 2121 is disposed near the open end of the extension 212, so that the anti-rotation groove is located near the mounting hole, and the anti-rotation groove is more conveniently machined. In this embodiment, two anti-rotation ribs 2121 are provided on the outer peripheral surface of the extending portion 212, and the two anti-rotation ribs 2121 are distributed at intervals along the circumferential direction of the extending portion 212. Of course, in other embodiments, the number of anti-rotation bars 2121 may be one or more. The rotation preventing ribs 2121 and the rotation preventing grooves are provided in the outer peripheral surface of the extending portion 212 so that the rotation preventing grooves are provided, and the rotation preventing ribs 2121 are provided on the inner wall of the valve body 11.
In the embodiment of the present invention, the extending portion 212 is hollowed to form a plurality of water holes 212a, so that the blocking effect of the scale inhibitor 20 on the water flow can be reduced. Specifically, the extending portion 212 includes two annular skeletons 2122 disposed at intervals, and a plurality of bar skeletons 2123 connecting the two annular skeletons 2122, and the water passing holes 212a are formed at intervals between the adjacent two bar skeletons 2123. For example, the number of the bar frames 2123 may be four, so that the interval between two adjacent bar frames 2123 is larger, which is more beneficial to the water flow. In this embodiment, by arranging the extending portion 212 in a skeleton structure, the structure strength of the extending portion 212 can be ensured, the aperture of the water passing hole 212a can be increased, and the blocking to water flow can be reduced, compared with the structure in which the extending portion 212 is arranged in a sieve tube shape. In addition, the scale inhibitor 213 can be formed into a large block shape or a cylindrical shape, so that the leakage of the block-shaped scale inhibitor 213 can be prevented. Further, the extending portion 212 is further provided with a plurality of arc-shaped frameworks 2125, and the plurality of arc-shaped frameworks 2125 are arranged at intervals along the axial direction of the extending portion 212 and are connected with two adjacent strip-shaped frameworks 2123. Specifically, a plurality of arc-shaped frameworks 2125 may be disposed between any two adjacent strip-shaped frameworks 2123 to entirely enclose the scale inhibitor 213 therein, that is, the arc-shaped frameworks 2125 may also be annular and sequentially connect all the strip-shaped frameworks 2123. Of course, a plurality of arc-shaped skeletons 2125 may be provided only on the surface of the extending portion 212 facing the water inlet end of the valve body 11, and the plurality of arc-shaped skeletons 2125 may be provided at intervals in the axial direction of the extending portion 212 and connected to two adjacent bar-shaped skeletons 2123. The provision of the arc-shaped skeleton 2125 can reduce the aperture of the water passing hole 212a, and thus can prevent the scale inhibitor 213 in a block shape from leaking out from the surface of the extending portion 212 facing the water inlet end of the valve body 11. In other embodiments, the protrusion 212 may also be provided in a screen cylinder shape.
Referring to fig. 5 again, further, a filter screen 215 is disposed in the extending portion 212, and the filter screen 215 is disposed to cover the inner hole of the valve body 11, so as to filter all water flowing through the valve body 11. And the filter screen 215 is arranged, so that the massive scale inhibitor 213 can be prevented from leaking out of the filter screen 215. Optionally, the filter screen 215 extends along the peripheral wall of the extending portion 212 and is disposed in an arc shape, and the filter screen 215 is disposed on one side of the extending portion 212 near the water outlet end of the valve body 11, so as to block the massive scale inhibitor 213 from flowing to the water outlet end of the valve body 11; the arc-shaped skeleton 2125 is located at a side of the extending portion 212 near the water inlet end of the valve body 11, so as to block the block-shaped scale inhibitor 213 from flowing to the water inlet end of the valve body 11. Of course, the filter 215 may be cylindrical, and the arc frame 2125 may not be provided for blocking.
Referring to fig. 7 to 9, a limit rib 2126 is disposed in the extending portion 212, and the limit rib 2126 extends along an axis of the extending portion 212 and is disposed near an inner peripheral surface of the extending portion 212 and is spaced from the inner peripheral surface of the extending portion 212. In this embodiment, two ends of the limiting rib 2126 are correspondingly connected to two annular skeletons 2122, or one end of the limiting rib 2126 is connected to the shielding rib 2124, and the other end is connected to the annular skeletons 2122. The filter screen 215 extends along the perisporium of stretching into portion 212, and filter screen 215 is located between spacing muscle 2126 and the internal surface of stretching into portion 212, and spacing muscle 2126's setting can carry out spacingly to filter screen 215, prevents that filter screen 215 from following the axial displacement of valve body 11 under the impact of rivers.
The scale inhibitor 213 may be cylindrical, block-shaped, etc., so that the block-shaped scale inhibitor 213 is generally larger in order to prevent the scale inhibitor 213 from directly falling out of the water passing holes 212a of the extending portion 212. Generally, the scale inhibitor 213 is porous in shape, and is capable of flowing water from the inside of the scale inhibitor 213, and is capable of flowing along with the water flow when the scale inhibitor 213 becomes small particles to be dissolved in the water, so as to reduce scale formation in the water.
Referring again to fig. 2, further, the scale inhibitor 20 further includes a magnetic rod 216, and the magnetic rod 216 is disposed in the housing 21. In this embodiment, the magnetic rod 216 extends along the axial direction of the housing 21. By providing the magnetic rod 216, the magnetic rod 216 may absorb impurities in the water so that the water source is purified. The number of the magnetic bars 216 is not limited, and may be set according to the user's need and the size of the protruding portion 212.
The outer peripheral wall of the valve body 11 is provided with the extension flange 111, the mounting hole is arranged on the extension flange 111, and the arrangement of the extension flange 111 can prolong the length of the hole wall of the mounting hole and increase the contact area between the handle part 211 and the hole wall of the mounting hole, so that the mounting stability between the handle part 211 and the hole wall of the mounting hole is improved.
The inner peripheral wall of the valve body 11 is provided with a recess 10a at a position facing the mounting hole, and a projection 112 is provided at a position corresponding to the recess 10a on the outer peripheral wall of the valve body 11. The extending portion 212 can extend into the recessed portion 10a, and the end of the extending portion 212 abuts against the surface of the recessed portion 10a facing the mounting hole, so that water can be prevented from flowing out of the gap between the end of the extending portion 212 and the inner peripheral wall of the valve body 11 without flowing through the scale inhibitor 213. In this embodiment, the diameter of the extending portion 212 may be the same as the inner diameter of the valve body 11, so that the outer peripheral surface of the extending portion 212 can be abutted against the inner peripheral surface of the valve body 11, so that all water flows can flow into the extending portion 212 first, contact with the scale inhibitor 213 and then flow out of the extending portion 212, not only can the scale inhibitor 213 be fully mixed with the water flow be ensured, but also all water flows can carry the small-particle scale inhibitor 213, and the scale inhibition effect of the scale inhibitor 213 on the water flow is enhanced.
The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).
Claims (11)
1. A water inlet valve assembly for installation in a water inlet of a water heater, the water inlet valve assembly comprising:
the water inlet valve body comprises a valve body and a valve core, wherein the valve core is arranged on the valve body and used for controlling the valve body to be conducted or closed, and a mounting hole is formed in the peripheral wall of the valve body; and
The scale inhibition device is arranged at the water inlet end or the water outlet end of the valve body and comprises a shell and a scale inhibitor arranged in the shell, the shell extends into the valve body from the mounting hole and is in sealing connection with the valve body, a water passing hole is formed in the part of the shell, which is positioned in the valve body, and the water passing hole is used for releasing the scale inhibitor into the valve body;
The shell includes handle portion and stretches into the portion, the handle portion with stretch into the portion and all be the tube-shape setting, the one end of handle portion is closed, and the other end is open setting, stretch into portion one end and open, the other end is equipped with the shielding piece, the open end of handle portion with stretch into the open end of portion and cup joint, the handle portion is at least partly exposed outside the valve body, just the handle portion with the valve body can dismantle the connection, stretch into the portion stretches into in the valve body, just be equipped with on the perisporium of stretch into the portion the water hole.
2. The assembly of claim 1 wherein the outer peripheral surface of the handle portion is provided with external threads and the wall of the mounting hole is provided with internal threads that threadably engage the external threads.
3. The fill valve assembly as recited in claim 1, wherein an outer peripheral surface of the handle portion is provided with a stop protrusion that abuts an outer peripheral surface of the valve body.
4. The fill valve assembly as recited in claim 1 wherein said handle portion is externally sleeved with a gasket, said gasket being in sealing abutment with the wall of said mounting hole.
5. The assembly of any one of claims 1 to 4 wherein the outer peripheral surface of the handle portion is provided with a retaining ring rib and the inner peripheral surface of the extension portion is provided with a retaining ring groove which mates with the retaining ring rib.
6. The water inlet valve assembly as recited in claim 5, wherein an anti-rotation rib is provided on an outer circumferential surface of the extending portion, an anti-rotation groove is provided on an inner wall of the valve body, and the anti-rotation rib is adapted to be inserted into the anti-rotation groove.
7. The assembly of claim 5 wherein the inlet includes two annular frames spaced apart from each other and a plurality of strip frames connecting the two annular frames, the spacing between adjacent ones of the strip frames defining the water passage.
8. The inlet valve assembly of claim 1, wherein a filter screen is further disposed within the extension, the filter screen being disposed to cover the internal bore of the valve body.
9. The assembly of claim 8, wherein the inlet valve assembly includes a stop rib disposed within the inlet portion, the stop rib extending along an axis of the inlet portion and disposed adjacent an inner peripheral surface of the inlet portion, the filter screen extending along a peripheral wall of the inlet portion, and the filter screen being positioned between the stop rib and the inner surface of the inlet portion.
10. The fill valve assembly as recited in claim 1 wherein said scale inhibiting means further comprises a magnetic rod disposed within said housing.
11. A water heater comprising a liner and a water inlet valve assembly according to any one of claims 1 to 10, wherein the liner is provided with a water inlet, and the water inlet valve assembly is mounted at the water inlet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810756870.XA CN110701358B (en) | 2018-07-09 | Inlet valve assembly and water heater | |
| PCT/CN2019/090422 WO2020010976A1 (en) | 2018-07-09 | 2019-06-06 | Scale inhibition device, water inlet valve assembly and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810756870.XA CN110701358B (en) | 2018-07-09 | Inlet valve assembly and water heater |
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| CN110701358A CN110701358A (en) | 2020-01-17 |
| CN110701358B true CN110701358B (en) | 2024-06-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2597471Y (en) * | 2003-02-12 | 2004-01-07 | 胡相礼 | Scale-proof device for water heater |
| CN208381437U (en) * | 2018-07-09 | 2019-01-15 | 芜湖美的厨卫电器制造有限公司 | Water inlet valve module and water heater |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2597471Y (en) * | 2003-02-12 | 2004-01-07 | 胡相礼 | Scale-proof device for water heater |
| CN208381437U (en) * | 2018-07-09 | 2019-01-15 | 芜湖美的厨卫电器制造有限公司 | Water inlet valve module and water heater |
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