Water purifier

Abstract

The utility model belongs to the technical field of water purification equipment, and discloses a water purifier which comprises a first end cover, a second end cover and a filter element mechanism, the first end cover and the second end cover are arranged at an interval, a water inlet and a water outlet are formed in one of the first end cover and the second end cover, and a flushing opening is formed in the other end cover. The two ends of the filter element mechanism are detachably connected to the first end cover and the second end cover respectively. The water purifier not only has a water purification function, but also has a self-cleaning function, so that the water purifier does not need to be disassembled when the filter element mechanism is cleaned. The water inlet and the water outlet are both communicated with the external water path, the water inlet and the water outlet are formed in the same side of the water purifier, and the filter element mechanism is detachably connected with the first end cover and the second end cover, so that when the filter element mechanism needs to be replaced, only the end cover provided with the flushing opening needs to be detached, and the replacement is convenient. The whole water purifier does not need to be detached from an external water path, so that the efficiency of cleaning and replacing the filter element is improved, and the operation is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of water purification equipment, in particular to a water purifier. Background Art

[0002] Water purifiers are also called water purifiers. They are water treatment equipment that deeply filters and purifies water according to the requirements of water use. With the improvement of people's living standards, small water dispensers are used more and more frequently in people's lives and are widely used in homes, companies and public places such as subways and shopping malls.

[0003] The filter element is the main component of the water purifier. Water can filter out harmful substances when it passes through the filter element. Existing water purifiers generally have water inlet on one side and outlet on the other side. This means that when cleaning or replacing the filter element, the water purifier needs to be disassembled from the entire water path, making the cleaning and replacement of the filter element particularly cumbersome, time-consuming and labor-intensive.

[0004] Therefore, how to propose a water purifier that can quickly and conveniently replace the filter element is a technical problem that urgently needs to be solved. Utility Model Content

[0005] The utility model aims to provide a water purifier, which has a fast filter element replacement speed and is easy to operate.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] A water purifier comprises: a first end cover and a second end cover, the first end cover and the second end cover are arranged at an interval, one of the first end cover and the second end cover is provided with a water inlet and a water outlet, and the other is formed with a flushing port; a filter element mechanism, the two ends of the filter element mechanism are detachably connected to the first end cover and the second end cover respectively; wherein, a filtering flow channel passing through the water inlet, the filter element mechanism and the water outlet in sequence and a flushing flow channel passing through the water inlet, the filter element mechanism and the flushing port in sequence are formed on the water purifier.

[0008] Preferably, the filter element mechanism comprises a filter element body and a center tube, the center tube is detachably connected to the second end cover, and the filter element body is sleeved on the center tube.

[0009] Preferably, a first flow channel connecting the filter hole of the filter element body and the flushing port is formed on the central tube, and the flushing flow channel includes the first flow channel.

[0010] Preferably, the filter element mechanism comprises a filter element body and a filter element end cover, the filter element end cover is connected to one end of the filter element body, and the filter element end cover is detachably connected to the first end cover.

[0011] Preferably, a second flow channel connecting the filter hole of the filter element body and the water outlet is formed on the filter element end cover, and the filter flow channel includes the second flow channel.

[0012] Preferably, the water purifier further comprises a shell, and the shell is sleeved outside the filter element mechanism, the first end cover and the second end cover.

[0013] Preferably, a third flow channel connecting the water inlet and the filter hole of the filter element mechanism is formed between the housing and the filter element mechanism, and the filtering flow channel and the flushing flow channel both include the third flow channel.

[0014] Preferably, a sewage outlet is provided on the shell, and the sewage outlet is communicated with the third flow channel.

[0015] Preferably, the water purifier further comprises at least one fixed bracket, and the fixed bracket is used to support the housing.

[0016] Preferably, one of the fixing bracket and the housing is provided with a limiting rib, and the other is provided with a limiting groove, and the limiting rib is inserted into the limiting groove to achieve limiting.

[0017] Beneficial effects of the utility model:

[0018] The water purifier provided by the utility model comprises a first end cover, a second end cover and a filter element mechanism, the first end cover and the second end cover are arranged at intervals, one of the first end cover and the second end cover is provided with a water inlet and a water outlet, the other is formed with a flushing port, and the two ends of the filter element mechanism are detachably connected to the first end cover and the second end cover respectively. A filtering flow channel passing through the water inlet, the filter element mechanism and the water outlet in sequence is formed on the water purifier, and a flushing flow channel passing through the water inlet, the filter element mechanism and the flushing port in sequence is formed. The water purifier not only has a water purification function, but also has a self-cleaning function, so that the water purifier does not need to be disassembled when cleaning the filter element mechanism. Furthermore, since both the water inlet and the water outlet are connected to the external water circuit, the water purifier arranges the water inlet and the water outlet on the same side of the water purifier, and arranges the filter element mechanism and the first end cover and the second end cover to be detachably connected. When the filter element mechanism needs to be replaced, only the end cover with the flushing port needs to be removed, and there is no need to remove the entire water purifier from the external water circuit, thereby improving the efficiency of filter element cleaning and replacement and simplifying the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is an assembly diagram of a water purifier provided by an embodiment of the utility model and a water inlet pipe, a water outlet pipe, a flushing pipe and a sewage pipe;

[0020] Figure 2 yes Figure 1A schematic diagram of the structure shown in another viewing angle;

[0021] Figure 3 yes Figure 1 a cross-sectional view of the structure shown;

[0022] Figure 4 yes Figure 3 A magnified view of part A;

[0023] Figure 5 yes Figure 3 A magnified view of part B;

[0024] Figure 6 It is a schematic diagram of water flow when the water purifier provided by the embodiment of the utility model performs the self-cleaning function;

[0025] Figure 7 It is a schematic diagram of water flow of the water purifier provided by the embodiment of the utility model when performing the water purification function.

[0026] In the figure:

[0027] 10. Water purifier; 20. Water inlet pipe; 30. Water outlet pipe; 40. Flushing pipe; 50. Sewage pipe;

[0028] 100, first end cover; 101, first plug-in portion; 102, first main body portion;

[0029] 200, second end cover; 201, second main body; 202, second plug-in portion;

[0030] 300, filter element mechanism; 310, filter element body; 320, center tube; 330, filter element end cover; 331, end cover portion; 332, protrusion;

[0031] 401, first flow channel; 402, second flow channel; 403, third flow channel;

[0032] 500, housing; 501, limiting ribs;

[0033] 600, fixed bracket; 601, limiting groove. DETAILED DESCRIPTION

[0034] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0035] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0037] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0038] like Figures 1 to 3 As shown, the utility model provides a water purifier 10, which includes a first end cover 100, a second end cover 200 and a filter element mechanism 300. The first end cover 100 and the second end cover 200 are arranged at intervals, one of the first end cover 100 and the second end cover 200 is provided with a water inlet and a water outlet, and the other is formed with a flushing port, and both ends of the filter element mechanism 300 are detachably connected to the first end cover 100 and the second end cover 200, respectively. A filtering flow channel is formed on the water purifier 10, which passes through the water inlet, the filter element mechanism 300 and the water outlet in sequence, and a flushing flow channel is formed on the water purifier 10, which passes through the water inlet, the filter element mechanism 300 and the flushing port in sequence.

[0039] The water purifier 10 is provided with a filtering flow channel and a flushing flow channel, so that the water purifier 10 not only has a water purification function, but also has a self-cleaning function. When the filter element mechanism 300 of the water purifier 10 needs to be cleaned, water or other liquids for cleaning can be directly introduced into the flushing flow channel through the water inlet, so that the filter element mechanism 300 can be cleaned without disassembling the water purifier 10. The water purifier 10 can clean impurities on the surface of the filter element mechanism 300 by providing the flushing flow channel, thereby extending the service life of the filter element mechanism 300.

[0040] Furthermore, since the water inlet of the water purifier 10 is used to communicate with the water inlet pipe 20 of the external waterway, the water outlet is used to communicate with the water outlet pipe 30 of the external waterway, and the flushing port is used to communicate with the flushing pipe 40, by setting the water inlet and the water outlet on the first end cover 100 or the second end cover 200 at the same time, the water inlet and the water outlet are located on the same side of the water purifier 10, and by setting the filter element mechanism 300 and the first end cover 100 and the second end cover 200 to be detachably connected, when the filter element mechanism 300 needs to be replaced, only the end cover provided with the flushing port can be removed to disassemble the filter element mechanism 300 to be replaced and install a new filter element mechanism 300, so that the filter element mechanism 300 can be replaced without removing the entire water purifier 10 from the external waterway. Compared with the existing water purifier, the water purifier 10 provided by the utility model improves the efficiency of cleaning and replacing the filter element, and is simple to operate.

[0041] It should be noted that the first end cap 100 and the second end cap 200 are spaced apart in the first direction. According to the installation direction of the water purifier 10, the first direction may be the up-down direction or the left-right direction. In one embodiment, the water inlet and the water outlet are arranged on the first end cap 100, and the flushing port is arranged on the second end cap 200; in another parallel embodiment, the water inlet and the water outlet are arranged on the second end cap 200, and the flushing port is arranged on the first end cap 100. For the convenience of description, the following description is based on the example that the water inlet and the water outlet are arranged on the first end cap 100, and the flushing port is arranged on the second end cap 200.

[0042] In some embodiments, the first end cover 100 is a circular cover. Of course, in other embodiments, the first end cover 100 can also be a square cover, an oval cover, etc.

[0043] The first end cover 100 is provided with a water inlet channel, the water inlet channel forms a water inlet on the outside of the first end cover 100, and the water inlet channel forms an outlet on the inside of the first end cover 100. In one embodiment, the water inlet channel is a straight hole, for example, a round hole or a square hole; of course, in other embodiments, the water inlet channel can also be a through hole in a folded line shape or a through hole in a curved line shape.

[0044] The first end cover 100 is provided with a first water outlet channel, which is spaced apart from the water inlet channel and is not connected to each other. The first water outlet channel forms a water outlet on the outside of the first end cover 100, and the first water outlet channel forms a first inlet on the inside of the first end cover. In one embodiment, the first water outlet channel includes a water inlet section, a first water cavity and a water outlet section, and the first water cavity can be a circular cavity or a cavity of other shapes.

[0045] In order to achieve a detachable connection between the first end cap 100 and the filter element mechanism 300, in some embodiments, the first end cap 100 and the filter element mechanism 300 are plugged into each other, such as Figure 6 As shown, the first end cover 100 includes a first main body portion 102 and a first plug-in portion 101 connected in a stepped columnar shape, a first plug-in hole (not shown) is formed on the filter element mechanism 300, and the first plug-in portion 101 is plugged and matched with the first plug-in hole. In one embodiment, the water inlet section of the first water outlet channel is at least partially formed on the first plug-in portion 101 of the first end cover 100. Of course, in other embodiments, the first end cover 100 and the filter element mechanism 300 can also be detachably connected by other means, such as magnetic connection, connector connection, etc.

[0046] The second end cover 200 is provided with a second water outlet channel, the second water outlet channel forms a flushing port on the outer side of the second end cover 200, and the second water outlet channel forms a second inlet on the inner side of the second end cover 200. In one embodiment, the second water outlet channel is a straight hole, for example, a round hole or a square hole; of course, in other embodiments, the second water outlet channel may also be a through hole in a folded line shape or a through hole in a curved line shape.

[0047] In order to realize the detachable connection between the second end cap 200 and the filter element mechanism 300, in some embodiments, the second end cap 200 and the filter element mechanism 300 are plugged together, and the second end cap 200 and the filter element mechanism 300 are plugged together. Figure 6 As shown, the second end cover 200 includes a second main body 201 and a second plug-in portion 202 connected in a stepped columnar shape, a second plug-in hole (not shown in the figure) is formed on the second plug-in portion 202, and a part of the structure of the filter element mechanism 300 is plugged into and matched with the second plug-in hole. In one embodiment, the second water outlet channel is partially formed on the second plug-in portion 202 of the second end cover 200. Of course, in other embodiments, the second end cover 200 and the filter element mechanism 300 can also be detachably connected by other means, such as magnetic connection, connector connection, etc.

[0048] Continue to refer to Figure 3As shown, the filter element mechanism 300 includes a filter element body 310 and a central tube 320. The filter element body 310 is sleeved on the central tube 320. One end of the central tube 320 protrudes from the filter element body 310 and is detachably connected to the second end cap 200. This can improve the stability of the connection between the filter element mechanism 300 and the second end cap 200. In one embodiment, the end of the central tube 320 protruding from the filter element body 310 is inserted into the aforementioned second plug hole for plugging and matching.

[0049] Continue to refer to Figure 3 As shown, the filter element mechanism 300 includes a filter element body 310 and a filter element end cap 330, the filter element end cap 330 is connected to one end of the filter element body 310, and the filter element end cap 330 is detachably connected to the first end cap 100. In this way, the filter element mechanism 300 can be stably connected to the first end cap 100, and the detachable connection method is convenient for disassembling the filter element mechanism 300 for cleaning or replacement.

[0050] In one embodiment, the filter element end cap 330 includes an end cap portion 331 and a protrusion 332. A mounting hole is formed on the end cap portion 331. One end of the filter element body 310 is inserted into the mounting hole. The protrusion 332 is arranged on the side of the end cap portion 331 away from the filter element body 310. The first plug hole is formed on the protrusion 332. Such an arrangement makes the structure of the filter element end cap 330 reasonable, and reduces the difficulty of assembling the filter element end cap 330 with the first end cap 100 and the filter element end cap 330 with the filter element body 310.

[0051] Furthermore, one end of the filter element body 310 is inserted into part of the mounting hole, thereby forming a second water cavity between the end face of the filter element body 310 and the inner wall surface of the mounting hole. The second water cavity is connected to the second inlet of the second water outlet channel, and the second water cavity can play a role in slowing down the flow.

[0052] In some embodiments, a first sealing structure is provided between the end cover 331 and the filter element body 310, and the first sealing structure can improve the sealing performance between the end cover 331 and the filter element body 310. In one embodiment, the first sealing structure includes at least one first sealing ring.

[0053] In some embodiments, a second sealing structure is provided between the first plug-in portion 101 and the protruding portion 332, and the second sealing structure can improve the sealing between the first plug-in portion 101 and the protruding portion 332. In one embodiment, the second sealing structure includes at least one second sealing ring.

[0054] In some embodiments, a third sealing structure is provided between the second plug-in portion 202 and the central tube 320, and the third sealing structure can improve the sealing between the second plug-in portion 202 and the central tube 320. In one embodiment, the third sealing structure includes at least one third sealing ring.

[0055] Continue to refer to Figure 3 As shown, the water purifier 10 further includes a housing 500, which is sleeved outside the filter element mechanism 300, the first end cover 100 and the second end cover 200. The housing 500 can play a decorative role and protect the water purifier 10.

[0056] In some embodiments, a sewage outlet is provided on the housing 500 , and a sewage pipe 50 can be externally connected to the sewage outlet. The water in the water purifier 10 can be discharged through the sewage outlet to facilitate the user to replace the filter element mechanism 300 .

[0057] In some embodiments, a fourth sealing structure is provided between the housing 500 and the first end cover 100, and the fourth sealing structure can improve the sealing between the housing 500 and the first end cover 100. In one embodiment, the fourth sealing structure includes at least one fourth sealing ring.

[0058] In some embodiments, a fifth sealing structure is provided between the housing 500 and the second end cover 200, and the fifth sealing structure can improve the sealing between the housing 500 and the second end cover 200. In one embodiment, the fifth sealing structure includes at least one fifth sealing ring.

[0059] Continue to refer to Figure 3 As shown, the water purifier 10 further includes at least one fixing bracket 600, which is used to support the housing 500 to improve the stability of the water purifier 10. In one embodiment, the fixing bracket 600 is a ring structure; in a parallel embodiment, the fixing bracket 600 is a semi-ring structure arranged up and down or left and right, and the two semi-ring structures are fixed together by fixing screws to fix the housing 500. In one embodiment, a fixing hole is provided at the bottom of the fixing bracket 600, and the water purifier 10 can be fixed to a wall or the ground by passing an expansion screw through the fixing hole.

[0060] In order to achieve mutual limitation between the fixed bracket 600 and the shell 500, and to improve the connection strength and stability between the fixed bracket 600 and the shell 500, in some embodiments, a limiting rib 501 is provided on one of the fixed bracket 600 and the shell 500, and a limiting groove 601 is provided on the other of the fixed bracket 600 and the shell 500, and the limiting rib 501 is inserted into the limiting groove 601 to achieve limitation.

[0061] In one embodiment, Figure 4 and Figure 5As shown, part of the structure of the outer shell 500 protrudes outward along its radial direction to form a limiting rib 501, and part of the inner wall surface of the fixed bracket 600 is recessed inward to form a limiting groove 601; in another embodiment, part of the structure of the outer shell 500 is recessed inward along its radial direction to form a limiting groove 601, and part of the inner wall surface of the fixed bracket 600 protrudes inward to form a limiting rib 501.

[0062] In some embodiments, a plurality of fixing brackets 600 are provided, and the plurality of fixing brackets 600 are arranged at intervals and used to simultaneously support the housing 500 to further improve the stability of the water purifier 10. It should be noted that one or more groups of limiting grooves 601 and limiting convex ribs 501 may be formed between each fixing bracket 600 and the housing 500.

[0063] Continue to refer to Figure 3 As shown, a first flow channel 401 connecting the filter hole of the filter element body 310 and the flushing port is formed on the central tube 320. A second flow channel 402 connecting the filter hole of the filter element body 310 and the water outlet is formed on the filter element end cover 330. A third flow channel 403 connecting the water inlet and the filter hole of the filter element mechanism 300 is formed between the housing 500 and the filter element mechanism 300. The first flow channel 401 and the third flow channel 403 form a flushing flow channel; the second flow channel 402 and the third flow channel 403 form a filtering flow channel. Such an arrangement makes the layout of the flushing flow channel and the filtering flow channel reasonable, and does not increase the complexity of the internal structure of the water purifier 10.

[0064] like Figure 6 As shown, when the filter element mechanism 300 needs to be cleaned, liquid for cleaning is input from the water inlet, and the liquid passes through the third flow channel 403 and the second flow channel 402 in sequence and then flows out from the flushing port, thereby cleaning the filter element mechanism 300, so that the water purifier 10 can complete self-cleaning of the filter element.

[0065] like Figure 7 As shown, when the raw water needs to be filtered, the raw water to be filtered enters the water purifier 10 from the water inlet, then passes through the third flow channel 403 and the second flow channel 402 in sequence and flows out from the water outlet, thereby filtering the raw water to improve the water quality.

[0066] When the filter element mechanism 300 needs to be replaced, first, open the drain port to drain the water inside the water purifier 10; then, remove the second end cover 200; then, replace the filter element mechanism 300; finally, reinstall the second end cover 200.

[0067] It should be noted that the water purifier 10 also includes a first on-off structure for opening and closing the first flow channel 401 and a second on-off structure for opening and closing the second flow channel 402. The cooperation of the first channel structure and the second on-off structure can make the flushing flow channel in the water purifier 10 conductive or the filtering flow channel in the water purifier 10 conductive. The specific structure of the first channel structure and the second on-off structure is not limited here. It can be a valve structure arranged in the first flow channel 401 and the second flow channel 402, or it can be other structures. In addition, a cover structure or a valve structure for opening and closing is provided at the water inlet, the water outlet, the flushing port and the sewage outlet.

[0068] The water purifier 10 also includes a control mechanism, which can be a centralized or distributed controller. For example, the controller can be a single single-chip microcomputer or a distributed plurality of single-chip microcomputers. A control program can be run in the single-chip microcomputer to control the first channel structure, the second on-off structure, the cover structure or the valve structure to realize its function.

[0069] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A water purifier, characterized in that: include: A first end cover (100) and a second end cover (200), wherein the first end cover (100) and the second end cover (200) are arranged at an interval, and one of the first end cover (100) and the second end cover (200) is provided with a water inlet and a water outlet, and the other end cover is formed with a flushing port; A filter element mechanism (300), wherein two ends of the filter element mechanism (300) are respectively detachably connected to the first end cover (100) and the second end cover (200); The water purifier is provided with a filtering channel which passes through the water inlet, the filter element mechanism (300) and the water outlet in sequence, and a flushing channel which passes through the water inlet, the filter element mechanism (300) and the flushing port in sequence.

2. The water purifier according to claim 1, characterized in that: The filter element mechanism (300) comprises a filter element body (310) and a center tube (320); the center tube (320) is detachably connected to the second end cover (200); and the filter element body (310) is sleeved on the center tube (320).

3. The water purifier according to claim 2, characterized in that: The central tube (320) is formed with a first flow channel (401) communicating with the filter hole of the filter element body (310) and the flushing port, and the flushing flow channel includes the first flow channel (401).

4. The water purifier according to claim 1, characterized in that: The filter element mechanism (300) comprises a filter element body (310) and a filter element end cover (330), wherein the filter element end cover (330) is connected to one end of the filter element body (310), and the filter element end cover (330) is detachably connected to the first end cover (100).

5. The water purifier according to claim 4, characterized in that: The filter element end cover (330) is formed with a second flow channel (402) communicating with the filter hole of the filter element body (310) and the water outlet, and the filter flow channel includes the second flow channel (402).

6. The water purifier according to claim 1, characterized in that: The water purifier further comprises a housing (500), wherein the housing (500) is sleeved outside the filter element mechanism (300), the first end cover (100) and the second end cover (200).

7. The water purifier according to claim 6, characterized in that: A third flow channel (403) communicating with the water inlet and the filter hole of the filter element mechanism (300) is formed between the housing (500) and the filter element mechanism (300), and both the filter flow channel and the flushing flow channel include the third flow channel (403).

8. The water purifier according to claim 7, characterized in that: The housing (500) is provided with a sewage outlet, and the sewage outlet is in communication with the third flow channel (403).

9. The water purifier according to claim 6, characterized in that: The water purifier further comprises at least one fixing bracket (600), wherein the fixing bracket (600) is used to support the housing (500).

10. The water purifier according to claim 9, characterized in that: One of the fixing bracket (600) and the housing (500) is provided with a limiting convex rib (501), and the other is provided with a limiting groove (601), and the limiting convex rib (501) is inserted into the limiting groove (601) to achieve limiting.

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