Water treatment device and water supply equipment

Abstract

The utility model belongs to the technical field of water treatment, and particularly discloses a water treatment device and water supply equipment. The water treatment device comprises a mounting joint, an outer shell, an inner shell and a positioning cylinder; the mounting joint is provided with a first channel, a filtering mounting cavity and a second channel which are sequentially communicated; the first end of the shell is open, the second end is closed, and the first end of the shell is hermetically mounted at the mounting port; the inner shell is arranged in the outer shell at intervals and is provided with a water containing cavity, the water containing cavity is used for containing water treatment substances, the first end of the inner shell is inserted into the filter mounting cavity and is provided with a first water hole, the second end of the inner shell is provided with a second water hole, the first water hole is directly communicated with the first channel, and the water containing cavity is communicated with the second channel through the second water hole; the two ends of the positioning cylinder are fixedly inserted into the first water hole and the first channel correspondingly, and water flow can penetrate through the positioning cylinder. According to the water treatment device and the water supply equipment disclosed by the utility model, the water outlet quantity of the water treatment device can be ensured, and the disassembly and assembly convenience and the assembly accuracy of the water treatment device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment, in particular to a water treatment device and water supply equipment. Background Art

[0002] Water supply equipment such as water heaters and direct drinking water machines have certain requirements for water quality. Although the tap water supplied to ordinary households has undergone preliminary purification in the water plant, the calcium and magnesium ions, carbonate ions, etc. contained in the water will precipitate and form scale after heating, which is not conducive to the long-term use of water supply equipment.

[0003] In order to better achieve the water quality of the water supply equipment, a filter device is usually arranged in the water inlet pipeline of the water supply equipment in the prior art. The filter device includes a mounting joint and a filter assembly, the mounting joint has a water inlet, a filter mounting cavity and a water outlet which are connected in sequence; the filter assembly includes an outer shell and an inner shell which is spaced and sleeved inside the outer shell, the outer shell is installed at the open end of the filter mounting cavity and its inner cavity is connected with the filter mounting cavity, the first end of the inner shell is inserted into the filter mounting cavity, and a water inlet through hole is provided on a side wall of the inner shell facing the water inlet, and a water outlet through hole is provided on the side wall of the inner shell facing the water outlet, and a scale inhibitor is arranged inside the inner shell. When water flows into the water inlet, it flows to the filter mounting cavity and flows to the inside of the inner shell through the water inlet through hole, so that the scale inhibitor in the inner cavity of the inner shell is partially dissolved and released in the water, and the water carrying the scale inhibitor flows out of the inner shell through the water outlet through hole and then flows out of the water outlet.

[0004] The filter device provided by the prior art needs to keep the water outlet hole facing the water outlet so that the water in the inner shell can flow to the water outlet through the water outlet hole. However, since the inner shell is a cylindrical structure, during assembly, it is easy for the water outlet hole and the water outlet to be misaligned due to the rotation of the inner shell relative to the mounting joint, or after assembly, the inner shell may be deflected relative to the mounting joint due to the impact of water flow, thereby causing the water outlet and the water outlet hole to be misaligned, affecting the water flow rate of the water outlet, and further affecting the water flow rate of the filter device, thereby reducing the reliability of the filter device. Utility Model Content

[0005] One of the technical problems solved by the utility model is to provide a water treatment device, which can effectively solve the problem in the prior art that the water outlet flow rate is affected due to the deflection of the inner shell relative to the installation joint, and improve the water outlet smoothness of the water treatment device.

[0006] The second technical problem solved by the present invention is to provide a water supply device, which can effectively solve the problem of insufficient water supply flow of the water supply device caused by the reduced water flow of the water treatment device, and improve the reliability of the use of the water supply device.

[0007] The first technical problem mentioned above is solved by the following technical solution:

[0008] A water treatment device, comprising:

[0009] The installation joint has a first channel, a filter installation cavity and a second channel which are connected in sequence, the filter installation cavity has an installation opening which passes through the installation joint, one of the first channel and the second channel is a water inlet channel, and the other is a water outlet channel;

[0010] A housing, the first end of which is open and the second end of which is closed, wherein the first end of the housing is sealed and mounted in the mounting opening;

[0011] An inner shell is arranged inside the outer shell and has a water containing cavity, the water containing cavity is used to contain water treatment substances, the first end of the inner shell is inserted into the filter installation cavity and is provided with a first water hole, the second end of the inner shell is provided with a second water hole, the first water hole is directly connected with the first channel, and the water containing cavity is connected with the second channel through the second water hole;

[0012] The two ends of the positioning tube are respectively fixedly inserted in the first water hole and the first channel, and the positioning tube can allow water to pass through.

[0013] Compared with the background technology, the water treatment device described in the utility model has the following beneficial effects: by arranging a first water hole connected to the first channel at the first end of the inner shell, and arranging a second water hole connected to the second channel at the second end of the inner shell, when the first channel is a water inlet channel, water flows through the first channel, the first water hole, the water containing cavity, the second water hole and the second channel in sequence before flowing out; when the second channel is a water inlet channel, water flows through the second channel, the second water hole, the water containing cavity, the first water hole and the first channel in sequence before flowing out, thereby allowing the water flow entering the water containing cavity to flow from one end to the other end along the extension direction of the inner shell and then flow out of the inner shell, extending the flow path of the water flow in the inner shell, increasing the residence time of the water flow in the inner shell, thereby increasing the contact time between the water flow and the water treatment substance in the inner shell, prompting more water treatment substances to dissolve under the flushing action of the water flow, thereby increasing the amount of water substances involved in water treatment, and improving the water treatment effect of the water treatment device on water; at the same time, by A positioning cylinder is provided, and the two ends of the positioning cylinder are fixedly inserted in the first water hole and the first channel respectively, so that the first water hole and the first channel can always remain opposite under the insertion cooperation of the positioning cylinder, thereby ensuring the assembly position accuracy of the inner shell and the mounting joint in the circumferential direction of the inner shell, avoiding the problem of relative misalignment of the first water hole and the first channel caused by the rotation of the inner shell relative to the mounting joint during the installation process or under the scouring of water flow, thereby increasing the water flow resistance and reducing the water flow rate, thereby ensuring the assembly efficiency and assembly accuracy of the water treatment device and ensuring the water outlet flow rate of the water treatment device; furthermore, this arrangement enables, when the positioning cylinder is pulled out and the positioning cylinder is pulled out of the first water hole, the inner shell can be removed from the mounting port by removing the outer shell from the mounting joint, and during assembly, the inner shell is inserted from the mounting port into the filter mounting cavity and then the positioning cylinder is inserted, thereby realizing the assembly between the inner shell and the mounting joint, effectively simplifying the disassembly and assembly of the water treatment device and improving the disassembly and assembly convenience and disassembly efficiency of the water treatment device.

[0014] In one embodiment, the positioning tube has an interference fit with one of the first channel and the first water hole, and has a clearance fit with the other of the first channel and the first water hole.

[0015] In one embodiment, the first channel includes a connected interface channel and a connecting channel, the connecting channel is connected between the interface channel and the filter installation cavity, the aperture of the connecting channel is smaller than the aperture of the interface channel, and one end of the positioning tube is inserted into the connecting channel.

[0016] In one embodiment, the positioning cylinder includes a cylinder with two ends penetrating therethrough and a water filter screen disposed at the end or inside of the cylinder, and the two ends of the cylinder are respectively inserted into the first water hole and the first channel;

[0017] And / or, the positioning tube is a mesh structure.

[0018] In one embodiment, the outer wall of the first end of the inner shell has a boss portion protruding toward the first channel, and the first water hole passes through the boss portion.

[0019] In one embodiment, the outer shell of the inner shell is provided with a filter net, the outer wall of the outer shell is provided with a long drainage groove, the bottom of the drainage groove is provided with the second water hole, and the filter net covers the notch of the drainage groove.

[0020] In one embodiment, a plurality of the drainage grooves are arranged at intervals along the circumference of the inner shell, and a plurality of the second water holes are arranged at the bottom of each drainage groove;

[0021] And / or, the drainage groove extends along the length direction of the inner shell, and the second water hole extends out of the drainage groove along the circumference of the inner shell.

[0022] In one of the embodiments, the drainage groove has a guide groove wall facing the filter installation cavity, and the guide groove wall extends obliquely from the groove bottom to the groove opening of the drainage groove toward the first end of the inner shell.

[0023] In one embodiment, the first end of the inner shell is open and is arranged to fit into the bottom of the filter installation cavity, and the second end of the outer shell has a pressing component inside, and the pressing component presses the second end of the inner shell.

[0024] The above second technical problem is solved by the following technical solution:

[0025] A water supply equipment comprises the water treatment device as described above.

[0026] Compared with the background technology, the water supply equipment described in the utility model has the following beneficial effects: by adopting the above-mentioned water treatment device, the water intake amount of the water supply equipment can be guaranteed, thereby ensuring the water supply amount of the water supply equipment, and at the same time, the water treatment effect of the water supply equipment can be enhanced, the water quality of the water supply equipment can be better improved, and the user experience of the water supply equipment can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of the disassembled structure of a water treatment device provided in an embodiment of the utility model;

[0028] Figure 2 A cross-sectional view of a water treatment device provided by an embodiment of the utility model;

[0029] Figure 3 for Figure 2 A partial enlarged view of point I in the middle;

[0030] Figure 4A schematic diagram of the water flow direction of a water treatment device provided by an embodiment of the utility model;

[0031] Figure 5 A schematic structural diagram of an inner shell provided in an embodiment of the utility model.

[0032] Description of labels:

[0033] 1. Installation joint; 11. First channel; 111. Interface channel; 112. Communication channel; 12. Filter installation cavity; 13. Second channel; 14. Joint pipe; 15. Installation pipe;

[0034] 2. Shell; 21. Main shell; 211. Water passage cavity; 22. Positioning convex portion; 23. Pressing component;

[0035] 3. Inner shell; 31. Shell body; 311. Drainage groove; 3111. Guide groove wall; 312. Second water hole; 32. Boss portion; 321. First water hole; 33. Flange portion; 34. Water chamber;

[0036] 4. Positioning cylinder; 41. Cylinder body; 42. Water filter screen plate;

[0037] 5. Filter; 6. Sealing ring. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0039] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0040] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0041] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0042] The utility model provides a water treatment device, which can be applied to water supply equipment to treat the water quality of the water supply equipment, reduce the probability of scaling inside the water supply equipment, better ensure the water supply flow of the water supply equipment, and improve the reliability of the use of the water supply equipment.

[0043] like Figures 1 to 4 As shown, in this embodiment, the water treatment device includes a mounting joint 1, an outer shell 2, an inner shell 3 and a positioning cylinder 4. The mounting joint 1 has a first channel 11, a filter mounting cavity 12 and a second channel 13 that are connected in sequence, the filter mounting cavity 12 has a mounting port that passes through the mounting joint 1, one of the first channel 11 and the second channel 13 is a water inlet channel, and the other is a water outlet channel; the first end of the outer shell 2 is open and the second end is closed, the first end of the outer shell 2 is sealed and installed at the mounting port and the second end is located outside the mounting joint 1; the inner shell 3 is arranged inside the outer shell 2 at intervals and has a water containing cavity 34, the first end of the inner shell 3 is inserted in the filter mounting cavity 12 and is provided with a first water hole 321, the second end of the inner shell 3 is provided with a second water hole 312, the first water hole 321 and the first channel 11 are connected in a facing manner, and the water containing cavity 34 is connected with the second channel 13 through the second water hole 312; the two ends of the positioning cylinder 4 are fixedly inserted in the first water hole 321 and the first channel 11, respectively, and the positioning cylinder 4 can allow water to flow through.

[0044] The water treatment device provided in this embodiment provides a first water hole 321 connected to the first channel 11 at the first end of the inner shell 3, and a second water hole 312 connected to the second channel 13 at the second end of the inner shell 3. When the first channel 11 is a water inlet channel, the water flows through the first channel 11, the first water hole 321, the water containing cavity 34, the second water hole 312 and the second channel 13 in sequence and then flows out. When the second channel 13 is a water inlet channel, the water flows through the second channel 13, the second water hole 312, the water containing cavity 34, the first ... The water flows out after the hole 321 and the first channel 11, thereby allowing the water flow entering the water chamber 34 to flow from one end to the other end along the extension direction of the inner shell 3 and then flow out of the inner shell 3, extending the flow path of the water flow in the inner shell 3, increasing the residence time of the water flow in the inner shell 3, thereby increasing the contact time between the water flow and the water treatment material in the inner shell 3, prompting more water treatment materials to dissolve under the flushing action of the water flow, thereby increasing the amount of water materials participating in the water treatment, and improving the water treatment effect of the water treatment device on water; at the same time, by setting the positioning The first water hole 321 and the first channel 11 are fixedly inserted into the first water hole 321 and the first channel 11 respectively, so that the first water hole 321 and the first channel 11 can always be aligned with each other under the insertion and cooperation of the positioning tube 4, thereby ensuring the assembly position accuracy of the inner shell 3 and the mounting joint 1 in the circumferential direction of the inner shell 3, avoiding the problem of relative misalignment between the first water hole 321 and the first channel 11 caused by the rotation of the inner shell 3 relative to the mounting joint 1 during the installation process or under the scouring of water flow, thereby increasing the water flow resistance and reducing the water flow, and ensuring the water treatment The assembly efficiency and assembly accuracy of the water treatment device are improved, and the water outlet flow rate of the water treatment device is guaranteed; furthermore, this arrangement makes it possible to remove the outer shell 2 relative to the mounting joint 1 when pulling out the positioning cylinder 4 and to realize the withdrawal of the inner shell 3 from the mounting port, and during assembly, the inner shell 3 is inserted from the mounting port into the filter mounting cavity 12 and then the positioning cylinder 4 is inserted, so that the assembly between the inner shell 3 and the mounting joint 1 can be realized, thereby effectively simplifying the disassembly and assembly of the water treatment device and improving the convenience and efficiency of disassembly and assembly of the water treatment device.

[0045] It is worth noting that the water treatment material can be a scale inhibitor or other granular material that can treat water, and the specific type and cost of the water treatment material can be set according to existing technology and actual needs. The utility model does not limit the specific type, structure and material of the water treatment material.

[0046] like Figure 1 and Figure 2As shown, the installation joint 1 includes an installation portion and two joint pipe portions 14 that intersect and connect, wherein the inner cavity of one joint pipe portion 14 forms a first channel 11, the inner cavity of the other joint pipe portion 14 forms a second channel 13, and the inner cavity of the installation portion forms a filter installation cavity 12. The installation portion partially protrudes from the outer wall of the joint pipe portion 14 to form an installation pipe portion 15, and the installation pipe portion 15 is detachably connected to the housing 2 to improve the convenience of disassembly and assembly of the installation joint 1 and the housing 2; at the same time, the provision of the two joint pipe portions 14 is also conducive to connecting the installation joint 1 to the water supply pipeline.

[0047] In one embodiment, the axes of the two joint pipe parts 14 are coaxially arranged, and the axes of the two joint pipe parts 14 are perpendicular to the axis of the installation pipe part 15 to avoid interference between the housing 2 and the water supply pipeline. In other embodiments, the axes of the two joint pipe parts 14 can be arranged at an angle, and the axis of each joint pipe part 14 is perpendicular to the axis of the installation pipe part 15. The relative positions of the two joint pipe parts 14 can be specifically arranged according to the layout of the water supply pipeline to be installed, and the utility model does not limit this.

[0048] In order to increase the capacity of the water treatment material in the water treatment device, in one embodiment, the outer shell 2 and the inner shell 3 are both long strip structures extending along the first direction, and the first direction is the axial direction of the installation pipe 15, thereby reducing the overall size of the water treatment device while increasing the volume of the water chamber 34, thereby increasing the amount of water treatment material that can be set in the water chamber 34, reducing the frequency of replacement of the water treatment device, and increasing the single use time of the water treatment device. Further, the axial direction of the two joint pipes 14 is the second direction.

[0049] In one embodiment, the inner wall of the mounting tube 15 is provided with an internal thread, the housing 2 includes a main housing 21 with one end open and the other end closed, and the inner cavity of the housing body 31 forms a water passage cavity 211. The outer wall of the first end of the main housing 21 has an external thread, and the main housing 21 is screwed into the mounting tube 15, thereby improving the convenience of disassembly and assembly and the reliability of installation of the housing 2.

[0050] In order to prevent water from flowing out from the connection position between the mounting joint 1 and the housing 2, in one embodiment, a sealing ring 6 is sandwiched between the outer peripheral wall of the housing 2 and the mounting pipe portion 15 to ensure the sealing after the housing 2 and the mounting joint 1 are connected. In one embodiment, a sealing groove is opened on the outer side wall of the housing 2, and the sealing ring 6 is installed in the sealing groove, so that the sealing ring 6 can be plugged in and out of the mounting joint 1 with the housing 2, thereby improving the assembly efficiency and assembly accuracy of the sealing ring 6.

[0051] In order to limit the depth of the housing 2 inserted into the installation cavity, in one embodiment, the outer wall of the main housing portion 21 is provided with a positioning protrusion 22 protruding outward, and the positioning protrusion 22 abuts against the open end surface of the installation port, that is, the positioning protrusion 22 abuts against the end surface of the installation pipe portion 15, so as to provide positioning and limit for the installation of the housing 2 on the installation joint 1, thereby improving the assembly efficiency and assembly reliability of the water treatment device. The sealing groove is arranged between the external thread section and the positioning protrusion 22, so that the sealing groove can simultaneously form a thread processing back-cut groove.

[0052] In one embodiment, the first channel 11 is a water outlet channel, and the second channel 13 is a water inlet channel, so that the water treatment substance dissolved in the water chamber 34 can flow out of the water outlet channel in the direction toward the first water hole 321, and the water treatment substance is prevented from flowing between the outer shell 2 and the inner shell 3, thereby reducing the loss of the water treatment substance and effectively reducing the difficulty of cleaning the water treatment device. In other embodiments, the first channel 11 can also be a water inlet channel, and the second channel 13 can be a water outlet channel.

[0053] like Figure 2 and Figure 3 As shown, in order to ensure the stability of the setting of the positioning tube 4, in one embodiment, the positioning tube 4 has an interference fit with one of the first channel 11 and the first water hole 321, and has a clearance fit with the other of the first channel 11 and the first water hole 321, thereby ensuring that the positioning tube 4 forms a tight fit with at least one of the mounting joint 1 and the inner shell 3, and can effectively simplify the fixing structure of the positioning tube 4 in the first channel 11 and the first water hole 321, and improve the convenience of setting the positioning tube 4. Preferably, the positioning tube 4 has an interference fit with the first channel 11 to improve the convenience of pulling the positioning tube 4 out of the first channel 11.

[0054] In other embodiments, the positioning tube 4 may adopt other structures to achieve its fixation in the first water hole 321 or the first channel 11 . For example, the positioning tube 4 may be snap-fitted with the first channel 11 or the first water hole 321 .

[0055] In one embodiment, the positioning cylinder 4 includes a cylinder body 41 with two open ends and a water filter screen 42 installed inside or at the end of the cylinder body 41. The water filter screen 42 can pass water, and the two ends of the cylinder body 41 are respectively inserted into the first channel 11 and the first water hole 321. By setting the water filter screen 42, it is possible to prevent large particles of impurities or water treatment substances that are not fully dissolved from directly flowing out of the water treatment device through the first channel 11, thereby avoiding the loss of water treatment substances, and filtering the water flowing out of the water treatment device. In order to improve the processing convenience of the positioning cylinder 4, the water filter screen 42 is connected to one end of the cylinder body 41. In other embodiments, the water filter screen 42 can also be set inside the cylinder body 41.

[0056] In one embodiment, the positioning tube 4 is a mesh structure as a whole, so that the cylinder body 41 of the positioning tube 4 can be slightly deformed under the extrusion effect, which is conducive to the interference insertion of the positioning tube 4 into the first channel 11, and improves the efficiency of disassembly and assembly of the positioning tube 4. In other embodiments, only the water filter mesh plate 42 can be a mesh structure. Further, the positioning tube 4 is preferably integrally formed, or the cylinder body 41 and the water filter mesh plate 42 can be welded.

[0057] In order to improve the convenience of cooperation between the positioning tube 4 and the first channel 11, in one embodiment, the first channel 11 includes a connected interface channel 111 and a connecting channel 112, the connecting channel 112 is connected between the filter installation cavity 12 and the interface channel 111, and the aperture of the connecting channel 112 is smaller than the aperture of the interface channel 111, and one end of the positioning tube 4 is inserted into the connecting channel 112. This arrangement makes it possible for the interface channel 111 to be connected to the water supply pipeline without causing interference to the positioning tube 4, thereby improving the convenience of assembling the water treatment device and the water supply pipeline; at the same time, since the aperture of the interface channel 111 is larger than the aperture of the connecting channel 112, the aperture of the connecting channel 112 can be reduced while ensuring the aperture size of the interface channel 111, thereby reducing the outer diameter of the positioning tube 4 and reducing the cost; furthermore, since the aperture of the interface channel 111 is larger than the aperture of the connecting channel 112, it is convenient to insert and remove the positioning tube 4 through the interface channel 111, thereby improving the convenience of disassembling and assembling the positioning tube 4.

[0058] like Figure 2 , Figure 3 and Figure 5 As shown, in order to improve the matching reliability between the positioning tube 4 and the inner shell 3, in one embodiment, the inner shell 3 includes a shell body 31 extending along the first direction, the shell body 31 has the above-mentioned water containing cavity 34 and the second water hole 312, and the outer wall of the first end of the shell body 31 is provided with a boss portion 32 in the direction toward the first channel 11, and the first water hole 321 is arranged through the boss portion 32. The arrangement of the boss portion 32 can increase the axial length of the first water hole 321 while reducing the requirement for the wall thickness of the shell body 31, thereby increasing the matching length of the inner shell 3 and the positioning tube 4, and ensuring the matching reliability of the inner shell 3 and the positioning tube 4.

[0059] In one embodiment, the first water hole 321, the connecting channel 112 and the positioning tube 4 are all cylindrical, which is convenient for processing the first water hole 321, the connecting channel 112 and the positioning tube 4. In other embodiments, the cross-sections of the first water hole 321 and the connecting channel 112 can also be rectangular or other shapes, as long as the cross-sections of the first water hole 321, the connecting channel 112 and the positioning tube 4 are compatible.

[0060] In order to improve the installation stability of the inner shell 3 inside the outer shell 2, in one embodiment, the first end face of the inner shell 3 abuts against the bottom of the filter installation cavity 12, and a pressing component 23 is provided inside the second end of the outer shell 2, and the pressing component 23 abuts against the second end face of the inner shell 3, thereby ensuring that along the first direction, the inner shell 3 is clamped between the bottom of the filter installation cavity 12 and the pressing component 23, thereby preventing the inner shell 3 from shaking under the scouring action of the water flow, thereby ensuring the setting stability and reliability of the inner shell 3.

[0061] In one embodiment, the pressing member 23 is a convex rib structure convexly disposed on the bottom of the water passage cavity 211 to reduce the difficulty of processing the pressing member 23. The convex rib structure can be in a straight line shape, a cross shape or other shapes that are convenient for processing, which is not limited in this embodiment.

[0062] Furthermore, the first end of the inner shell 3 is open, which facilitates the filling and cleaning of the water treatment material inside the inner shell 3 and reduces the difficulty of processing the inner shell 3. The opening of the inner shell 3 is closed by the bottom of the filter installation cavity 12, thereby preventing the water flow of the filter installation cavity 12 from directly entering the water containing cavity 34 through the opening of the inner shell 3.

[0063] In order to improve the tightness of the fit between the inner shell 3 and the bottom of the filter installation cavity 12, in one embodiment, a flange portion 33 extends outward from the opening periphery of the shell body 31, and the flange portion 33 abuts against the bottom of the filter installation cavity 12, thereby increasing the contact area between the inner shell 3 and the bottom of the filter installation cavity 12, thereby ensuring the blocking effect of the bottom of the filter installation cavity 12 on the opening of the inner shell 3, and improving the stability and reliability of the setting of the inner shell 3 at the installation joint 1. Furthermore, one side of the boss portion 32 is connected to the flange portion 33 to simplify the structure of the boss portion 32.

[0064] Furthermore, the boss portion 32 is located between the flange portion 33 and the first end surface of the outer shell 2, so that the outer shell 2 limits the boss portion 32 from moving in the direction away from the bottom of the filter installation cavity 12, and can further ensure the stability of the inner shell 3. At the same time, this arrangement can ensure the protruding length of the boss portion 32 while avoiding the problem of increasing the spacing between the inner wall of the outer shell 2 and the shell body 31 due to the arrangement of the boss portion 32.

[0065] In order to reduce the probability of large impurities such as iron filings, mud and sand in the water entering the water containing chamber 34, in one embodiment, a filter screen 5 is sleeved on the outer side of the inner shell 3, the filter screen 5 covers the second water hole 312, and the filter screen 5 is spaced apart from the inner side wall of the outer shell 2. As a result, the water flowing from the water passage chamber 211 to the water containing chamber 34 needs to pass through the filter screen 5 before flowing to the second water hole 312, so that the filter screen 5 can filter large impurities in the tap water, thereby preventing large impurities from flowing into the water containing chamber 34 and causing impurities to accumulate in the water containing chamber 34, and also preventing large impurities from flowing out of the water outlet and flowing into the water supply equipment, further improving the water treatment effect of the water treatment device.

[0066] In order to better ensure the water inlet flow rate of the water containing chamber 34, in one embodiment, a plurality of groups of water holes are circumferentially arranged at the second end of the inner shell 3, and each group of water holes includes at least one second water hole 312 or includes a plurality of second water holes 312 spaced apart along the first direction. This can reduce the number of single second water holes 312 while avoiding the problem of water flow being unable to enter the water containing chamber 34 due to blockage of a single second water hole 312, thereby improving the reliability of the water treatment device.

[0067] In order to prevent the mesh of the filter 5 facing the second water hole 312 from being clogged, which results in the water flow being unable to enter the second water hole 312, in one embodiment, the outer peripheral wall of the inner shell 3 is provided with a long strip of drainage groove 311, and the groove bottom of the drainage groove 311 is provided with the second water hole 312, and the filter 5 covers the notch of the drainage groove 311. In this way, while ensuring that the filter 5 is firmly sleeved on the outer side of the inner shell 3, the range of the water flow passing through the filter 5 can be increased, so that the mesh of the filter 5 facing the drainage groove 311 can all pass the water flow, effectively avoiding the problem of the water path being difficult to enter the second water hole 312 due to the clogging of the local mesh of the filter 5, and ensuring the water flow of the water treatment device.

[0068] In one embodiment, the drainage groove 311 extends along the length direction of the inner shell 3, thereby simplifying the processing of the drainage groove 311 and reducing the processing difficulty of the inner shell 3. In other embodiments, the drainage groove 311 may also extend along the axial spiral of the inner shell 3, or extend in other directions.

[0069] Further, the drainage grooves 311 are arranged in a one-to-one correspondence with the number of groups of water holes, that is, a plurality of drainage grooves 311 are arranged at intervals along the circumference of the inner shell 3, and a group of water holes is arranged correspondingly at each drainage groove 311. The groove depth of the drainage groove 311 is preferably 1 mm to 4 mm.

[0070] In one embodiment, the second water hole 312 is a long hole extending along the circumference of the housing 2, so as to ensure the water flow rate of the second water hole 312. Further, both ends of the second water hole 312 extend along the circumference to extend out of the drainage groove 311, so as to reduce the width of the drainage groove 311 while ensuring that the second water hole 312 has a sufficient water flow length. In other embodiments, the second water hole 312 can be only provided at the bottom of the drainage groove 311.

[0071] In order to avoid blockage when the filter screen 5 is mounted on the inner shell 3 due to the setting of the drainage groove 311, in one embodiment, the drainage groove 311 has a guide groove wall 3111 facing the first end of the inner shell 3, and the guide groove wall 3111 extends from the groove bottom of the drainage groove 311 to the groove mouth in the direction close to the first end of the inner shell 3, so that when the filter screen 5 is inserted from the second end of the inner shell 3, if the end of the filter screen 5 abuts against the guide groove wall 3111, the guide groove wall 3111 can guide the filter screen 5 to move in the direction toward the first end of the inner shell 3, ensuring that the end of the filter screen 5 is separated from the drainage groove 311, thereby ensuring that the filter screen 5 can be smoothly assembled, reducing the probability of the filter screen 5 being improperly assembled or bent and deformed.

[0072] The present embodiment also provides a water supply device, including the above-mentioned water treatment device. The water supply device provided in the present embodiment can ensure the water intake of the water supply device by adopting the above-mentioned water treatment device, thereby ensuring the water supply of the water supply device, and can also enhance the water treatment effect of the water supply device, better improve the water quality of the water supply device, and improve the user experience of the water supply device.

[0073] In the specific contents of the above-mentioned specific implementation methods, the various technical features can be combined in any non-contradictory manner. In order to make the description concise, not all possible combinations of the above-mentioned technical features are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0074] The specific contents of the above specific implementations only express several implementations of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A water treatment device, characterized in that: include: A mounting joint (1) having a first channel (11), a filter mounting cavity (12) and a second channel (13) which are connected in sequence, the filter mounting cavity (12) having a mounting opening which passes through the mounting joint (1), one of the first channel (11) and the second channel (13) being a water inlet channel, and the other being a water outlet channel; A housing (2) having an open first end and a closed second end, wherein the first end of the housing (2) is sealingly mounted on the mounting opening; An inner shell (3) is arranged at intervals inside the outer shell (2) and has a water containing cavity (34), the water containing cavity (34) is used to contain water treatment substances, the first end of the inner shell (3) is inserted into the filter installation cavity (12) and is provided with a first water hole (321), the second end of the inner shell (3) is provided with a second water hole (312), the first water hole (321) is directly connected to the first channel (11), and the water containing cavity (34) is connected to the second channel (13) through the second water hole (312); The positioning cylinder (4) has two ends fixedly inserted into the first water hole (321) and the first channel (11) respectively, and the positioning cylinder (4) can allow water to pass through.

2. The water treatment device according to claim 1, characterized in that: The positioning tube (4) is interference-fitted with one of the first channel (11) and the first water hole (321), and is clearance-fitted with the other of the first channel (11) and the first water hole (321).

3. The water treatment device according to claim 1, characterized in that: The first channel (11) comprises a connected interface channel (111) and a connecting channel (112); the connecting channel (112) is connected between the interface channel (111) and the filter installation cavity (12); the aperture of the connecting channel (112) is smaller than the aperture of the interface channel (111); one end of the positioning cylinder (4) is inserted into the connecting channel (112).

4. The water treatment device according to claim 1, characterized in that: The positioning cylinder (4) comprises a cylinder body (41) with two ends penetrating therethrough and a water filter screen (42) arranged at the end or inside of the cylinder body (41); the two ends of the cylinder body (41) are respectively inserted into the first water hole (321) and the first channel (11); And / or, the positioning cylinder (4) is a mesh structure.

5. The water treatment device according to claim 1, characterized in that: The outer wall of the first end of the inner shell (3) has a boss portion (32) protruding toward the first channel (11), and the first water hole (321) passes through the boss portion (32).

6. The water treatment device according to any one of claims 1 to 5, characterized in that: The outer shell of the inner shell (3) is provided with a filter screen (5), the outer wall of the outer shell (2) is provided with a long drainage groove (311), the bottom of the drainage groove (311) is provided with the second water hole (312), and the filter screen (5) covers the notch of the drainage groove (311).

7. The water treatment device according to claim 6, characterized in that: A plurality of drainage grooves (311) are arranged at intervals along the circumference of the inner shell (3), and a plurality of second water holes (312) are arranged at the bottom of each drainage groove (311); And / or, the drainage groove (311) extends along the length direction of the inner shell (3), and the second water hole (312) extends out of the outer side of the drainage groove (311) along the circumference of the inner shell (3).

8. The water treatment device according to claim 6, characterized in that: The drainage groove (311) has a guide groove wall (3111) facing the filter installation cavity (12), and the guide groove wall (3111) extends obliquely from the groove bottom to the groove opening of the drainage groove (311) toward the first end of the inner shell (3).

9. The water treatment device according to any one of claims 1 to 5, characterized in that: The first end of the inner shell (3) is open and fits into the bottom of the filter installation cavity (12), and the second end of the outer shell (2) has a pressing component (23) inside, and the pressing component (23) presses the second end of the inner shell (3).

10. A water supply device, characterized in that: The invention comprises a water treatment device as described in any one of claims 1 to 9.

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