Water purification equipment
Through innovative design of the frame and filter components, the filter base is directly connected, eliminating the need for hoses and water circuit boards. This solves the problems of large size and difficult installation of water purifiers, and achieves miniaturization and convenient maintenance of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HAOSHUI (NANJING) ENVIRONMENTAL TECH CO LTD
- Filing Date
- 2025-03-20
- Publication Date
- 2026-04-21
AI Technical Summary
The filter components of existing water purifiers have complex structures, resulting in large size, difficult installation, and a lack of compactness.
The design employs frame and filter components, directly connecting the filter base via connecting pipes, eliminating hoses and water circuit boards and simplifying the connection structure.
It has achieved miniaturization of water purification equipment, convenient installation and maintenance, and improved sealing and stability.
Smart Images

Figure CN224147744U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water purification technology, and in particular to a water purification device. Background Technology
[0002] In existing technologies, most water purifiers use composite filter cartridges with multi-stage filtration capabilities. The filter components are connected by pipes, resulting in complex pipe layouts, either via flexible hoses or by installing a water circuit board. This occupies space, is difficult to assemble and disassemble, and has a non-compact structure, leading to a large overall size and limited installation options. Therefore, it is necessary to provide a compact water purification device to overcome the aforementioned shortcomings. Utility Model Content
[0003] The purpose of this invention is to provide a compact water purification device.
[0004] According to one aspect of the present invention, a method is provided, comprising:
[0005] A frame assembly, comprising a first support, a second support, a fixing plate, and a cover plate, wherein the fixing plate is fixed vertically to the first support, the cover plate is fixedly connected to the first support and the second support, the cover plate is disposed on the top of the first support and the second support and extends downward, and the first support and the second support are disposed inside the cover plate;
[0006] A filter assembly includes a first filter base, a second filter base, a first filter cylinder, a second filter cylinder, a first filter element, and a second filter element. The first filter base and the second filter base are fixed to a fixed plate. The first filter cylinder and the first filter base are connected. The first filter element is disposed inside the first filter cylinder. The second filter cylinder and the second filter base are connected. The second filter element is disposed inside the second filter cylinder. The first filter cylinder and the second filter cylinder are arranged in a horizontal direction. The side of the first filter cylinder and the second filter cylinder away from the fixed plate is connected to a second bracket.
[0007] A water outlet pipe, wherein the water outlet pipe is detachably connected to the first filter base;
[0008] A first connecting pipe, one end of which is detachably connected to a first filter seat, and the other end of which is detachably connected to a second filter seat;
[0009] The water inlet pipe is connected to the second filter seat.
[0010] Preferably, the filter assembly further includes a third filter seat fixed to the fixing plate, a third filter cylinder connected to the third filter seat, and a third filter element disposed inside the third filter cylinder. The third filter seat is fixed to the fixing plate, the third filter cylinder is connected to the third filter seat, and the end of the third filter cylinder away from the third filter seat is connected to the second bracket. The first filter cylinder, the second filter cylinder, and the third filter cylinder are arranged horizontally from top to bottom. A second connecting pipe is provided between the second filter seat and the third filter seat. One end of the second connecting pipe is detachably connected to the second filter seat, and the other end of the second connecting pipe is detachably connected to the third filter seat.
[0011] Preferably, it further includes a first connector. The first filter seat has a first insertion hole at one end near the water outlet pipe. The first insertion hole extends radially and is located at one end near the fixing plate. A first slot is provided on the side where the water outlet pipe and the first filter seat are connected. The first slot is recessed from the radial outer end of the water outlet pipe in the radial direction toward the axis. The first insertion hole and the first slot are correspondingly provided. The first connector passes through the first insertion hole and is inserted into the first slot.
[0012] Preferably, the first connector includes a main body and an extension extending from the main body to the other side. The extension is provided corresponding to the first insertion hole. The end of the extension away from the main body has a protrusion that protrudes perpendicular to the extension direction.
[0013] Preferably, the first filter seat has a second insertion hole on the side near the first connecting pipe, and the second filter seat has a third insertion hole on the side near the first connecting pipe. The first connecting pipe has a second slot corresponding to the second insertion hole and a third slot corresponding to the third insertion hole on both sides. A second connector is provided in the second insertion hole and the second slot, and a third connector is provided in the third insertion hole and the third slot. The structure of the second connector and the third connector is the same as that of the first connector.
[0014] Preferably, the second support includes a first support member, a second support member, and a third support member. The first support member is in contact with and fixes the first filter cartridge. The second support member is in contact with and fixes the second filter cartridge. The third support member is in contact with and fixes the third filter cartridge.
[0015] Preferably, the filter assembly further includes a first filter cover threadedly connected to the first filter cartridge, a second filter cover threadedly connected to the second filter cartridge, and a third filter cover threadedly connected to the third filter cartridge. The first filter cover, the second filter cover, and the third filter cover are disposed at one end near the second support. The first filter element, the second filter element, and the third filter element can be alternatively disposed in the first filter cartridge, the second filter cartridge, and the third filter cartridge, respectively.
[0016] Preferably, the first connecting tube includes a limiting part and an embedding part disposed at both ends of the limiting part. The diameter of the limiting part is larger than that of the embedding part. The embedding parts are respectively located in the first filter seat and the second filter seat. The limiting part is located between the first filter seat and the second filter seat. The second slot and the third slot are disposed in the embedding part. The second connecting tube and the first connecting tube have the same structure.
[0017] Preferably, the first filter base includes an inlet and an outlet, the outlet is located on the radial inner side of the first filter element, the inlet is located on the radial outer side of the first filter element, the inlet pipe is located at the bottom of the first support, and the outlet pipe is located at the top of the first support.
[0018] Preferably, the filter assembly also includes a base plate at the bottom of the filter assembly, one end of which is fixed to the first support, and the other end of which is fixed to the second support. The cover plate includes a top plate located at the top of the first support, a first side plate extending downward from one end of the top plate, and a second side plate extending downward from the other end of the top plate. The first side plate and the second side plate are respectively located on the radial sides of the first filter cartridge.
[0019] Compared with the prior art, the water purification device provided by this utility model has the following beneficial effects:
[0020] The filter bases are directly connected by connecting pipes, avoiding the use of hoses or water circuit boards, which improves the sealing and stability of the whole machine; in terms of spatial layout, it greatly reduces the space occupied by water circuit boards, making the water purifier smaller; and it makes the installation and maintenance of the water purifier more convenient. Attached Figure Description
[0021] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
[0022] Figure 1 This is a first-view perspective perspective view of the water purification equipment of this utility model;
[0023] Figure 2 This is a second-view perspective perspective view of the water purification device of this utility model;
[0024] Figure 3 This is a perspective view of the filter assembly of this utility model;
[0025] Figure 4 This is a cross-sectional view of the filter assembly of this utility model;
[0026] Figure 5 This is a full sectional view of the filter assembly of this utility model;
[0027] Figure 6 This is a perspective view of the first filter seat of this utility model;
[0028] Figure 7This is a cross-sectional view of the water outlet pipe of this utility model;
[0029] Figure 8 This is a cross-sectional view of the first filter seat of this utility model;
[0030] Figure 9 This is a cross-sectional view of the exhaust valve of this utility model;
[0031] Figure 10 This is a perspective view of the water inlet pipe of this utility model. Detailed Implementation
[0032] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0033] To keep the drawings concise, only the parts relevant to this invention are shown schematically in each figure, and they do not represent the actual structure of the product. Furthermore, for ease of understanding, in some figures, only one of the components with the same structure or function is schematically depicted, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one."
[0034] It should also be further understood that the term “and / or” as used in this application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.
[0035] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0036] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0037] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the specific implementation methods of this utility model will be described below with reference to the accompanying drawings. Obviously, the drawings described below are merely some embodiments of this utility model. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without any creative effort.
[0038] See Figure 1 and Figure 4 This utility model provides a water purification device 100, including: a frame assembly 1, a filter assembly 2, an inlet pipe 3, and an outlet pipe 4. The filter assembly 2 includes a first filter base 21, a second filter base 22, a third filter base 23, a first filter cylinder 24, a second filter cylinder 25, a third filter cylinder 26, a first filter element 241, a second filter element 251, a third filter element 261, a first filter cover 242, a second filter cover 252, and a third filter cover 262. One end of the first filter cylinder 24 is threadedly connected to the first filter base 21, and the other end is threadedly connected to the first filter cover 242. The first filter element 241 is replaceably disposed inside the first filter cylinder 24.
[0039] See Figure 2 and Figure 5 One end of the second filter cartridge 25 is threaded to the second filter seat 22, and the other end is threaded to the second filter cover 252. The second filter element 251 is replaceably disposed inside the second filter cartridge 25. One end of the third filter cartridge 26 is threaded to the third filter seat 23, and the other end is threaded to the third filter cover 262. The third filter element 261 is replaceably disposed inside the third filter cartridge 26. The first filter cartridge 24, the second filter cartridge 25, and the third filter cartridge 26 are arranged horizontally from top to bottom on the same vertical plane. The frame assembly 1 includes a first bracket 11 disposed on one side of the first filter cartridge 24, a second bracket 12 disposed on the other side of the first filter cartridge 24, a cover plate 13 disposed between the first bracket 11 and the second bracket 12, a fixing plate 14 fixed to the first bracket 11, and a base plate 15 disposed at the bottom of the filter assembly 2.
[0040] See Figure 1 and Figure 2 The cover plate 13 is fixedly connected to the first bracket 11 and the second bracket 12. The cover plate 13 includes a top plate 131 disposed on top of the first bracket 11 and the second bracket 12, a first side plate 132 bent from one end of the top plate 131 and extending vertically downward, and a second side plate 133 bent from the other end of the top plate 131 and extending vertically downward. Both ends of the first side plate 132 and the second side plate 133 are respectively fixed to the first bracket 11 and the second bracket 12. The first bracket 11 and the second bracket 12 are vertically arranged and located inside the cover plate 13. The first filter cartridge 24 is disposed between the first side plate 132 and the second side plate 133. The first side plate 132 is also provided with a pressure gauge 1321 for displaying the water pressure inside the water purification equipment 100.
[0041] See Figure 2 and Figure 6 The first filter seat 21, the second filter seat 22, and the third filter seat 23 have identical structures and are all fixed to the fixing plate 14. The fixing plate 14 has a strip-shaped positioning through hole 141 for positioning. The end of the first filter seat 21 that is fixed to the fixing plate 14 has a filter seat positioning part 212 that mates with the positioning through hole 141 and protrudes outward. After the filter seat positioning part 212 is inserted into the positioning through hole 141, the first filter seat 21 and the fixing plate 14 are then fixed with screws. The second filter seat 22 and the third filter seat 23 are fixed to the fixing plate 14 using the same structure. The first filter seat 21 includes an inlet 214 and an outlet 215. The outlet 215 is located radially inside the first filter element 241, and the inlet 214 is located radially outside the first filter element 241.
[0042] See Figure 2 and Figure 3 The second support 12 includes a first support member 121, a second support member 122, and a third support member 123. The first support 11 and the second support 12 are configured in a "Π" shape. The first support member 121, the second support member 122, and the third support member 123 are fixed at both ends to the second support 12. The first support member 121 contacts the first filter cartridge 24 and is used to fix the first filter cartridge 24. The second support member 122 contacts the second filter cartridge 25 and is used to fix the second filter cartridge 25. The third support member 123 contacts the third filter cartridge 26 and is used to fix the third filter cartridge 26.
[0043] In this embodiment, the first support member 121, the second support member 122, and the third support member 123 have the same structure. They are all semi-circular rings arranged to surround the bottom of the filter cartridge for supporting it, and both ends are fixed to the second bracket 12. In other embodiments, a split design can also be adopted, with the support members located on both sides of the filter cartridge for clamping it. The filter element in this embodiment is made of PP cotton and activated carbon. The three filter cartridges and filter element portions extend out of the second bracket 12. The first filter cover 242, the second filter cover 252, and the third filter cover 262 are located on the outside of the frame assembly 1 for easy screwing. The filter assembly 2 of this utility model is horizontally arranged, which facilitates the user to replace the filter element; the fixing structure is simple and easy to install, and has good stability.
[0044] See Figure 2 , Figure 9 and Figure 10The inlet pipe 3 is located at the bottom of the filter assembly 2. The inlet pipe 3 includes an inlet port 31, a safety valve 32, and a wastewater outlet 33. When the internal water pressure is too high, the safety valve 32 opens to release pressure. When wastewater needs to be discharged from the equipment, the wastewater outlet 33 is opened, and the wastewater is discharged from the bottom of the equipment. A pressure gauge 1321 is connected to the inlet pipe 3 to measure the water pressure. The outlet pipe 4 is located at the top of the filter assembly 2 and extends through the top plate 131. The outlet pipe 4 also includes an air vent valve 7. The air vent valve 7 includes a valve body 71, a valve core 72, a valve cover 73, and a spring element 74. The valve cover 73 is screwed onto the valve body 71. One end of the valve core 72 passes through the valve cover 73, and the other end is located between the valve cover 73 and the spring element 74.
[0045] When the exhaust valve 7 is closed, the elastic element 74 presses the valve core 72 against one side of the valve cover 73. A gasket is provided between the valve core 72 and the valve cover 73 for sealing. Pressing the valve core 72 inward causes the elastic element 74 to contract, and the valve core 72 retracts into the valve body 71, opening the exhaust valve 7. The exhaust valve 7 is located above the first filter seat 21, allowing water to enter from bottom to top and expel air from the equipment through the exhaust valve 7. One end of the base plate 15 is fixed to the first bracket 11, and the other end is fixed to the second bracket 12. The base plate 15 has connecting rods at both ends along the radial direction of the third filter cartridge 26, which connect and reinforce the first bracket 11 and the second bracket 12. The water inlet pipe 3 is located at one end of the base plate 15.
[0046] The water purification device 100 of this utility model has a compact structure, small size, and beautiful appearance; it has a high degree of integration and multiple functions to meet the needs of users in various aspects, such as displaying water pressure, venting, wastewater discharge when replacing filter elements, safety valves, etc.; it can effectively extend the service life of the equipment, reduce the cost and time of replacement and maintenance for users, and facilitate user operation.
[0047] See Figure 5 and Figure 6 The inlet pipe 3 and the third filter seat 23 are detachably connected. The third filter seat 23 is connected to the second filter seat 22, and a second connecting pipe 5b is provided between the third filter seat 23 and the second filter seat 22. The second filter seat 22 is connected to the first filter seat 21, and a first connecting pipe 5 is provided between the second filter seat 22 and the first filter seat 21. The first filter seat 21 and the outlet pipe 4 are detachably connected. The second connecting pipe 5b and the first connecting pipe 5 have the same structure. The first connecting pipe 5 includes a limiting part 51 located in the middle of the axial direction and an inserting part 52 extending axially from the limiting part 51 to both sides. The diameter of the limiting part 51 is larger than that of the inserting part 52, and the limiting part 51 is located between the first filter seat 21 and the second filter seat 22. The inserting part 52 is respectively inserted into the lower end of the first filter seat 21 and the upper end of the second filter seat 22.
[0048] See Figure 6 , Figure 7 and Figure 8The first filter base 21 has a first insertion hole 211 at one end near the outlet pipe 4. The first insertion hole 211 extends radially and is located at one end near the fixing plate 14. A first slot 41 is provided on the side where the outlet pipe 4 connects to the first filter base 21. The first slot 41 is recessed radially outward from the radial outer end of the outlet pipe 4 towards the axis. The first slot 41 is provided corresponding to the first insertion hole 211. A first connector 6 is used to fix the first filter base 21 and the outlet pipe 4. The first connector 6 includes a main body 61 and an extension 62 extending from the main body 61. The extension 62 passes through the first insertion hole 211 and is embedded in the first slot 41.
[0049] The first connector 6 also includes a protrusion 63. An extension 62 is located between the protrusion 63 and the main body 61. The protrusion 63 protrudes from the extension 62 perpendicular to its extending direction, and is used to clamp and fix the first slot 41 and the outlet pipe 4 to prevent them from falling off. The first filter seat 21 has a second insertion hole 213 at one end near the second filter seat 22. A second slot 511 is provided on the side where the first connecting pipe 5 connects to the first filter seat 21. The second insertion hole 213 and the second slot 511 are fixedly connected by a second connector (not shown). A third insertion hole (not shown) is provided on the side where the second filter seat 22 connects to the first connecting pipe 5. A third slot (not shown) is provided on the side where the first connecting pipe 5 connects to the second filter seat 22. The third insertion hole and the third slot are fixedly connected by a third connector (not shown). The structure of the second slot 511 and the third slot is the same as that of the first slot 41.
[0050] The structures of the second and third connectors are the same as those of the first connector 6. The structure of the second connecting pipe 5b is the same as that of the first connecting pipe 5. The second connecting pipe 5b detachably connects and fixes its two ends to the second filter seat 22 and the third filter seat 23 respectively through the same connection method as the first connecting pipe 5. The lower end of the second filter seat 22 is also provided with a fourth insertion hole, the upper side of the third filter seat 23 is provided with a fifth insertion hole, and the lower end of the third filter seat 23 is provided with a sixth insertion hole. A fourth connector is provided between the fourth insertion hole and the second connecting pipe 5b. A fifth connector is provided between the fifth insertion hole and the second connecting pipe 5b. A sixth connector is provided between the sixth insertion hole and the water inlet pipe 3. The detachable connection method between the water inlet pipe 3 and the third filter seat 23 is the same as the detachable connection method between the water outlet pipe 4 and the first filter seat 21.
[0051] In this invention, the outlet pipe 4 and the first filter seat 21 are detachably connected. The inlet pipe 3 and the third filter seat 23 are detachably connected. The first filter seat 21 and the second filter seat 22 are detachably connected to both ends of the first connecting pipe 5, respectively. The second filter seat 22 and the third filter seat 23 are detachably connected to both ends of the second connecting pipe 5b, respectively. This invention avoids the need for flexible hoses, water circuit boards, etc., simplifies the connection structure, reduces the size of the equipment, facilitates user installation and maintenance, and ensures the sealing performance of the equipment.
[0052] It will be apparent to those skilled in the art that various modifications and variations can be made to the exemplary embodiments of the present invention without departing from the spirit and scope of the present invention. Therefore, it is intended that the present invention cover modifications and variations falling within the scope of the appended claims and their equivalents.
Claims
1. A water purification apparatus, characterized by comprising: The utility model relates to a filter device, including: Frame assembly, the frame assembly includes first support, second support, fixed plate and cover plate, the fixed plate is fixed in first support along the vertical direction, the cover plate fixedly connects first support and second support, the cover plate is located the top of first support, second support and extends downwardly and bends, first support and second support are located the inside of cover plate; Filter assembly, the filter assembly includes first filter seat, second filter seat, first filter cartridge, second filter cartridge, first filter core and second filter core, first filter seat and second filter seat are fixed in fixed plate, first filter cartridge and first filter seat are connected, first filter core is located in first filter cartridge, second filter cartridge and second filter seat are connected, second filter core is located in second filter cartridge, first filter cartridge and second filter cartridge are arranged along the horizontal direction, the side of first filter cartridge, second filter cartridge is away from fixed plate and is connected with second support; Water outlet pipe, the water outlet pipe and first filter seat are detachably connected; First connecting pipe, one end of the first connecting pipe and first filter seat are detachably connected, the other end of the first connecting pipe and second filter seat are detachably connected; Water inlet pipe, the water inlet pipe and second filter seat are connected.
2. The water purification apparatus of claim 1, wherein The filter assembly further includes a third filter seat fixed to the fixed plate, a third filter cartridge connected to the third filter seat, and a third filter core located in the third filter cartridge. The third filter seat is fixed to the fixed plate. The third filter cartridge is connected to the third filter seat. The end of the third filter cartridge away from the third filter seat is connected to the second support. The first filter cartridge, the second filter cartridge, and the third filter cartridge are arranged horizontally from top to bottom. A second connecting pipe is provided between the second filter seat and the third filter seat. One end of the second connecting pipe is detachably connected to the second filter seat. The other end of the second connecting pipe is detachably connected to the third filter seat.
3. The water purification apparatus of claim 2, wherein It further includes a first connecting piece. One end of the first filter seat near the water outlet pipe is provided with a first insertion hole. The first insertion hole extends radially and is located at the end close to the fixed plate. The side of the water outlet pipe connected to the first filter seat is provided with a first clamping groove. The first clamping groove is recessed from the radial outer end of the water outlet pipe to the axial direction. The first insertion hole and the first clamping groove are correspondingly arranged. The first connecting piece passes through the first insertion hole and is inserted into the first clamping groove.
4. The water purification apparatus of claim 3, wherein The first connecting piece includes a main body portion and an extension portion extending from the main body portion to the other side. The extension portion corresponds to the first insertion hole. The end of the extension portion away from the main body portion is provided with a protruding portion. The protruding portion protrudes perpendicular to the extension direction of the extension portion.
5. The water purification apparatus of claim 4, wherein The side of the first filter seat near the first connecting pipe is provided with a second insertion hole. The side of the second filter seat near the first connecting pipe is provided with a third insertion hole. The two sides of the first connecting pipe are respectively provided with a second clamping groove corresponding to the second insertion hole and a third clamping groove corresponding to the third insertion hole. The second insertion hole and the second clamping groove are provided with a second connecting piece. The third insertion hole and the third clamping groove are provided with a third connecting piece. The structure of the second connecting piece and the third connecting piece is the same as that of the first connecting piece.
6. The water purification apparatus of claim 2, wherein The second support includes a first support, a second support and a third support, the first support is in contact with the first filter cartridge and fixes the first filter cartridge, the second support is in contact with the second filter cartridge and fixes the second filter cartridge, and the third support is in contact with the third filter cartridge and fixes the third filter cartridge.
7. The water purification apparatus of claim 6, wherein The filter assembly further includes a first filter cover in threaded connection with the first filter cartridge, a second filter cover in threaded connection with the second filter cartridge, and a third filter cover in threaded connection with the third filter cartridge, the first filter cover, the second filter cover and the third filter cover are arranged at one end close to the second support, and the first filter core, the second filter core and the third filter core are respectively arranged in the first filter cartridge, the second filter cartridge and the third filter cartridge in a replaceable manner.
8. The water purification apparatus of claim 5, wherein, The first connecting pipe includes a limiting portion and embedding portions arranged at two ends of the limiting portion, the diameter of the limiting portion is greater than that of the embedding portions, the embedding portions are respectively located in the first filter seat and the second filter seat, the limiting portion is located between the first filter seat and the second filter seat, the second clamping groove and the third clamping groove are arranged on the embedding portions, and the second connecting pipe and the first connecting pipe are of the same structure.
9. The water purification apparatus of claim 7, wherein The first filter seat includes a water inlet and a water outlet, the water outlet is arranged on the radial inner side of the first filter core, and the water inlet is arranged on the radial outer side of the first filter core.
10. The water purification apparatus of claim 9, wherein, The filter assembly further includes a bottom plate arranged at the bottom of the filter assembly, one end of the bottom plate is fixed to the first support, and the other end of the bottom plate is fixed to the second support, the cover plate includes a top plate arranged at the top of the first support, a first side plate bent downward from one end of the top plate, and a second side plate bent downward from the other end of the top plate, and the first side plate and the second side plate are respectively arranged on the radial two sides of the first filter cartridge.