Water purifier

Abstract

The utility model relates to the technical field of water purifiers, and discloses a water purifier which comprises a main shell, and a filter element mounting hole position for a filter element part to extend into the main shell is formed in the front surface of the main shell; a main lining plate is integrally arranged in the main shell, the first end of the main lining plate is integrally connected to the edge of the filter element mounting hole site, a hollow distance is formed between the second end of the main lining plate and the waterway board component, and an auxiliary lining plate is arranged at the hollow distance; the first end of the auxiliary lining plate is connected to the waterway connecting face of the waterway plate component, the auxiliary lining plate is located below the filter element inserting structure, and the second end of the auxiliary lining plate is in butt joint with the end of the main lining plate. According to the water purifier provided by the utility model, the auxiliary lining plate is butted with the end part of the main lining plate, so that external dust and water vapor are not easy to enter the water purifier, the reliability is good, the length of the main lining plate can be designed to be shorter, the main shell is easy to form, and the reject ratio of products is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to water purifier technical field, concretely relates to a water purifier. BACKGROUND

[0002] The existing water purifier, its main casing is provided with filter core hole position, the lining plate inside filter core hole position usually adopts integral forming structure, but due to the axial length of filter core component is generally longer, due to the reason of injection moulding process, when the length of lining plate is too long, it is difficult to form once, the defective rate of product is relatively higher, if the lining plate is too short, the user can easily see the structure inside water purifier when viewing from filter core hole position, and the external dust and water vapor can also easily enter the inside of water purifier, and the reliability is poor. SUMMARY

[0003] In view of this, the utility model provides a water purifier, which is characterized by the following: the end of the main lining plate and the secondary lining plate is connected, the external dust and water vapor cannot easily enter the inside of the water purifier, the reliability is good, the length of the main lining plate can be designed to be shorter, which is easy to form, and the defective rate of the product is low.

[0004] The utility model provides a water purifier, which is characterized by the following: the end of the main lining plate and the secondary lining plate is connected, the external dust and water vapor cannot easily enter the inside of the water purifier, the reliability is good, the length of the main lining plate can be designed to be shorter, which is easy to form, and the defective rate of the product is low.

[0005] The main casing is integrally provided with a main lining plate, the first end of the main lining plate is integrally connected to the edge of the filter core mounting hole, and the second end of the main lining plate has a hollow distance with the waterway plate component, a secondary lining plate is arranged at the hollow distance, the first end of the secondary lining plate is connected to the waterway connection surface of the waterway plate component, the secondary lining plate is located below the filter core plug-in structure, and the second end of the secondary lining plate is connected to the end of the main lining plate.

[0006] Specifically, the cross section of the main lining plate is in the shape of a semi-cylinder or a cylinder.

[0007] And / or, the cross section of the secondary lining plate is in the shape of a semi-cylinder or a cylinder.

[0008] Specifically, the first end of the secondary lining plate is fixedly connected to the waterway plate component through a lining plate locking piece, the second end of the secondary lining plate is provided with an end clamping groove, and the end clamping groove is sleeved with the end edge of the second end of the main lining plate.

[0009] Specifically, the back of the main shell is provided with a mounting opening, and the waterway plate component is arranged in the mounting opening and closes the mounting opening.

[0010] The opposite first side wall and second side wall of the main shell are respectively provided with a first reinforcing rib and a second reinforcing rib, both of which extend into the main shell along the mounting opening, and both sides of the waterway plate component are respectively provided with a first limiting groove and a second limiting groove, the first limiting groove is clamped on the first reinforcing rib, and the second limiting groove is clamped on the second reinforcing rib.

[0011] Specifically, both the first limiting groove and the second limiting groove are provided with a plurality of limiting grooves, and both the first reinforcing rib and the second reinforcing rib are provided with a plurality of reinforcing ribs; both sides of the auxiliary backing plate are provided with a backing plate limiting groove, and the backing plate limiting groove is aligned with one of the first limiting grooves and one of the second limiting grooves and clamped on the first reinforcing rib and the second reinforcing rib.

[0012] Specifically, both sides of the main backing plate are integrally connected to the first side wall and the second side wall of the main shell through connecting ribs.

[0013] Specifically, the opening of the backing plate limiting groove away from one end of the waterway plate component is provided with a guide inclined surface.

[0014] Specifically, the front of the main shell is provided with at least two filter core mounting holes, and the waterway plate component is correspondingly provided with at least two filter core plug-in structures; the front of the main shell is provided with a panel.

[0015] Specifically, the main shell is further provided with a bracket component, the first end of the bracket component is connected to the waterway plate component, and the second end of the bracket component abuts against the inner side wall of the front of the main shell; the bracket component has a power supply mounting position for mounting a power supply module and a supercharging pump mounting position for mounting a supercharging pump.

[0016] Specifically, the waterway plate component and the bracket component are connected in an "L" shape, the bracket component is connected to one side of the bottom of the waterway plate component, and each filter core plug-in structure is arranged above the bracket component.

[0017] Alternatively, the waterway plate component and the bracket component are connected in a "T" shape; the bracket component is connected to one side of the middle of the waterway plate component, and each filter core plug-in structure is arranged above and below the bracket component, respectively.

[0018] The utility model provides a kind of water purifier, by setting up the end of auxiliary backing plate and main backing plate butt joint, dust water vapor outside is not easy to enter water purifier inside, reliability is good, the length of main backing plate can be designed as shorter, easy to form, the bad rate of product is low. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 The first angle three-dimensional assembly schematic diagram of the water purifier is provided for the embodiments of the present application.

[0021] Figure 2 The second angle three-dimensional assembly schematic diagram of the water purifier is provided for the embodiments of the present application.

[0022] Figure 3 The first angle three-dimensional assembly schematic diagram of the bracket component and the waterway plate component is provided for the embodiments of the present application.

[0023] Figure 4 The first angle three-dimensional disassembly schematic diagram of the bracket component and the waterway plate component is provided for the embodiments of the present application.

[0024] Figure 5 The first angle three-dimensional disassembly schematic diagram of the water purifier is provided for the embodiments of the present application.

[0025] Figure 6 The second angle three-dimensional disassembly schematic diagram of the water purifier is provided for the embodiments of the present application.

[0026] Figure 7 The third angle three-dimensional disassembly schematic diagram of the water purifier is provided for the embodiments of the present application.

[0027] Figure 8 The fourth angle three-dimensional disassembly schematic diagram of the water purifier is provided for the embodiments of the present application.

[0028] Figure 9 The three-dimensional schematic diagram of the main shell in the water purifier is provided for the embodiments of the present application. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] The terms "first", "second", and the like in the description and in the claims of the present utility model and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0031] Reference herein to "an embodiment" or "an implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment or implementation can be included in at least one embodiment of the present utility model. The appearance of the phrase in various places in the specification is not necessarily all referring to the same embodiment, nor is it necessarily referring to a separate or alternative embodiment to the other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0032] As Figures 1 to 4 and Figure 9As shown, the present embodiment provides a water purifier, which comprises a main shell 100, the front of the main shell 100 is provided with a filter core mounting hole 1021, the filter core mounting hole 1021 is used for the filter core component 500 to extend into the main shell 100, the back of the main shell 100 is provided with a waterway board component 200, the side of the waterway board component 200 facing the filter core mounting hole 1021 is a waterway connection surface 221, and the other side of the waterway board component 200 is an appearance surface 222. The waterway connection surface 221 is provided with a filter core plug-in structure 201, the filter core plug-in structure 201 is used for the filter core component 500 to plug in, and the filter core plug-in structure 201 faces the filter core mounting hole 1021; the main shell 100 is integrally provided with a main backing plate 160, the first end of the main backing plate 160 is integrally connected to the edge of the filter core mounting hole 1021, and the second end of the main backing plate 160 has a hollow distance from the waterway board component 200, the hollow distance is provided with a secondary backing plate 610, the first end of the secondary backing plate 610 is connected to the waterway connection surface 221 of the waterway board component 200, the secondary backing plate 610 is located below the filter core plug-in structure 201, and the main backing plate 160 has a set distance from the filter core plug-in structure 201. Due to the injection molding process, the main backing plate 160 is difficult to form when it extends to near the mounting opening 101, and the main backing plate 160 has a set distance from the mounting opening 101 of the back of the main shell 100 to reduce the production cost of the main shell 100, the second end of the secondary backing plate 610 is butted with the end of the main backing plate 160, the dust and water vapor outside is not easy to enter the inside of the water purifier through the butt joint of the main backing plate 160 and the secondary backing plate 610, the reliability is good, the length of the main backing plate 160 can be designed to be relatively short (about half of the length of the filter core component 500), the molding is easy, the product failure rate is low, and when viewed from the filter core mounting hole 1021, there is no obvious hollow below the filter core component 500, and the user experience is good.

[0033] Specifically, the filter core component 500 is cylindrical, and the cross section of the main backing plate 160 is semicircular or cylindrical to adapt to the shape of the filter core component 500.

[0034] Specifically, the cross section of the secondary backing plate 610 is semicircular or cylindrical, and in the present embodiment, the secondary backing plate 610 and the main backing plate 160 are both semicircular, which is simple in structure and low in cost.

[0035] Specifically, the first end of the auxiliary backplate 610 is fixedly connected to the waterway board component 200 by a backplate locking piece, and the second end of the auxiliary backplate 610 is provided with an end clamping groove which is sleeved on the end edge of the second end of the main backplate 160; or the second end of the main backplate 160 is provided with an end clamping groove, and the second end of the auxiliary backplate 610 is inserted into the end clamping groove, so that the auxiliary backplate 610 and the main backplate 160 form a mutual cooperation docking structure in a counter-insertion manner, and the structural reliability is better.

[0036] Specifically, the main shell 100 is further provided with a bracket component 300 and a waterway board component 200. The bracket component 300 has a first end and a second end along the length direction. The first end of the bracket component 300 is connected to the waterway board component 200, and the second end of the bracket component 300 abuts against the inner side wall of the front panel 102 of the main shell 100. The bracket component 300 has a power supply mounting position for mounting a power supply module 310 and a booster pump mounting position for mounting a booster pump 320. The power supply mounting position and the booster pump mounting position are sequentially arranged along the length direction of the bracket component 300. The first end of the bracket component 300 is fixedly connected to the waterway board component 200. The power supply mounting position is close to the first end of the bracket component 300, and the booster pump mounting position is close to the second end of the bracket component 300. The length direction space of the filter core component 500 is utilized to reasonably arrange the power supply module 310 and the booster pump 320, so that the length of the whole water purifier is only slightly longer than the length of the filter core component 500.

[0037] In the embodiment, the back of the main shell 100 is an installation opening 101. The waterway board component 200 and the bracket component 300 are connected to form a waterway board integrated component. The waterway board integrated component is integrally inserted into the main shell 100 from the installation opening 101, and the waterway board component 200 closes the installation opening 101. In the embodiment, the back of the main shell 100 is integrally provided as the installation opening 101. The four sides of the waterway board component 200 are connected to the inner side walls of the main shell 100. The main shell 100 adopts an integral molding structure. The front panel 102 of the front of the main shell 100 is provided with a filter core mounting hole 1021, and the back is a full opening design. The waterway board integrated component directly connects to the inner side of the main shell 100. The structure is compact, easy to assemble, and low in production cost.

[0038] Specifically, as Figures 4 to 8As shown, the two opposite side walls of the main shell 100 are respectively a first side wall 103 and a second side wall 104, and the first side wall 103 and the second side wall 104 are respectively provided with a first reinforcing rib 111 and a second reinforcing rib 112. The first reinforcing rib 111 and the second reinforcing rib 112 are both arranged in the direction of the front panel 102 of the main shell 100 along the mounting opening 101, and the waterway plate component 200 and the bracket component 300 are provided with limiting clamping grooves (a first limiting groove 211 and a second limiting groove 212) on both sides, the first limiting groove 211 is clamped on the first reinforcing rib 111, and the second limiting groove 212 is clamped on the second reinforcing rib 112, so that the installation of each component is stable, without the design of too many screws and buckle structures, which is beneficial to further improve the assembly efficiency and reduce the cost. And through the arrangement of the reinforcing ribs, the structural strength of the main shell 100 is effectively improved, the deformation of the main shell 100 is prevented, and the structural reliability is higher.

[0039] Specifically, in this embodiment, the lower side wall (bottom wall) of the main housing 100 is defined as the third side wall 105, the upper side wall (top wall) of the main housing 100 is defined as the fourth side wall 106, the first side wall 103 and the second side wall 104 are arranged opposite to each other, the third side wall 105 and the fourth side wall 106 are arranged opposite to each other, and the first side wall 103, the second side wall 104, the third side wall 105 and the fourth side wall 106 jointly form a rectangular frame. The front panel 102 of the main housing 100 is integrally connected to the first side wall 103, the second side wall 104, the third side wall 105 and the fourth side wall 106, forming a housing structure with an opening on the back side. The bottom of the bracket component 300 is connected to the third side wall 105 of the main housing 100, the third side wall 105 of the main housing 100 is provided with a third reinforcing rib 213, the third reinforcing rib 213 extends into the main housing 100 along the mounting opening 101, the bracket component 300 is provided with a plurality of convex ribs 311, the convex ribs 311 are connected to the third reinforcing rib 213 in a staggered manner, or a limiting groove is formed between two convex ribs 311, and the third reinforcing rib 213 is clamped in the limiting groove, so that the installation and positioning effect is good. The bottom of the bracket component 300 has a certain gap with the inner bottom of the main housing 100, so that even if there is water accumulation in the main housing 100 due to water leakage, the electrical devices on the bracket component 300 can be prevented from being directly soaked in the water. The top of the waterway plate component 200 is provided with a fourth limiting groove 214, the fourth side wall 106 of the main housing 100 is provided with a fourth reinforcing rib 114, the fourth reinforcing rib 114 extends into the main housing 100 along the mounting opening 101, and the fourth reinforcing rib 114 is clamped in the fourth limiting groove 214. In this way, the four directions of the waterway plate integrated component are assembled and constrained by the rib groove cooperation structure, the internal structure is stable, and the waterway plate component 200 is integrally covered on the mounting opening 101 on the back of the main housing 100. The fourth side wall 106 of the main housing 100 can be provided with a waterway interface, and the interface position of the waterway plate component 200 is aligned with the waterway interface. The first side wall 103 and the second side wall 104 of the main housing 100 are provided with screw through holes 107 near the mounting opening 101, the screw through holes 107 are provided with countersunk screws, the countersunk screws are threadedly connected to the two sides of the waterway plate component 200, and the waterway plate integrated component is prevented from being withdrawn from the mounting opening 101. The countersunk screws are provided with patches, the patches can be flush with the first side wall 103 and the second side wall 104 of the main housing 100, and the color, surface texture and pattern of the patches can be consistent with the outside of the main housing 100, so that the product appearance consistency is good.

[0040] Specifically, multiple first limiting grooves 211 and multiple second limiting grooves 212 are provided, and multiple first reinforcing ribs 111 and multiple second reinforcing ribs 112 are provided; the two sides of the sub-liner plate 610 are provided with liner plate limiting grooves 611, the liner plate limiting grooves 611 are aligned with one of the first limiting grooves 211 and one of the second limiting grooves 212 and are engaged with the first reinforcing ribs 111 and the second reinforcing ribs 112, and the two sides of the sub-liner plate 610 are supported and limited by the first reinforcing ribs 111 and the second reinforcing ribs 112.

[0041] Specifically, such as Figure 9 As shown, the two sides of the main liner plate 160 are integrally connected to the first side wall 103 and the second side wall 104 of the main housing 100 by connecting ribs. The first side wall 103 and the second side wall 104 have an integral connection structure, which has better structural stability.

[0042] Specifically, the opening at the end of the liner limiting groove 611 away from the water channel plate component 200 is provided with a guide slope to facilitate the alignment of the liner limiting groove 611 with the first reinforcing rib 111 and the second reinforcing rib 112 for assembly.

[0043] Specifically, the front of the main housing 100 is provided with at least two filter element mounting holes 1021, and the water circuit board component 200 is provided with at least two filter element insertion structures 201; the front of the main housing 100 is provided with a cover plate 190, which can cover the front panel 102 to cover the filter element mounting holes 1021, resulting in better appearance consistency.

[0044] Specifically, the water circuit board component 200 and the bracket component 300 are connected in an "L" shape, with the bracket component 300 positioned near one end of the water circuit board component 200. The water circuit board component 200 can be designed longitudinally, and the bracket component 300 is laterally connected to the bottom of one side of the water circuit board component 200, forming an L-shaped integrated structure. This L-shaped integrated structure can be integrally inserted into and fixed to the main housing 100. The bracket component 300 can be positioned near the bottom of the main housing 100 for better stability. Alternatively, the bracket component 300 can be designed near the inner top of the main housing 100, ensuring that even if the filter element component 500 leaks at its interface, it will not affect electrical components such as the power module 310 and the booster pump 320, ensuring high reliability. During installation, the filter element component 500 can be placed horizontally with the front panel 102 of the main housing 100 facing forward for easy replacement of the filter element component 500.

[0045] Alternatively, the waterway plate component 200 and the bracket component 300 can also be connected in a (side) "T" shape, and the bracket component 300 is arranged near the middle of one side of the waterway plate component 200. The waterway plate component 200 can be designed longitudinally, and the bracket component 300 is connected to the middle of one side of the waterway plate component 200 transversely to form a side "T" shaped integrated structure, which can be inserted into and fixed to the main shell 100 as a whole, and the front end of the bracket component 300 can be butted against the inner side of the front panel 102 of the main shell 100, and the two groups of filter core components 500 can be arranged on the two sides of the bracket component 300 respectively. When the water purifier is installed, the filter core component 500 can be placed longitudinally, that is, the front panel 102 of the main shell 100 is arranged upward, which is convenient for replacing the filter core component 500.

[0046] Specifically, one end of the bracket component 300 is provided with a supporting groove 351, and the waterway plate component 200 is partially inserted into the supporting groove 351 and limited by the supporting groove 351. The bracket component 300 is provided with a locking member on both sides or / and the bottom of the supporting groove 351 for locking the waterway plate component 200 to the bracket component 300. The fixing reliability of the bracket component 300 and the waterway plate component 200 is good.

[0047] Specifically, the main shell 100 also has a third side wall 105 provided with at least two third reinforcing ribs 213, and the bottom of the bracket component 300 is provided with at least two bracket protruding ribs 311 which are in contact with the third reinforcing ribs 213.

[0048] Specifically, a plurality of first limiting grooves 211 and a plurality of second limiting grooves 212 are arranged, and a plurality of first reinforcing ribs 111 and a plurality of second reinforcing ribs 112 are arranged. The two sides of the auxiliary lining plate 610 are provided with lining plate limiting grooves 611 which are aligned with one of the first limiting grooves 211 and one of the second limiting grooves 212 and are clamped to the first reinforcing ribs 111 and the second reinforcing ribs 112. The two sides of the auxiliary lining plate 610 are supported and limited by the first reinforcing ribs 111 and the second reinforcing ribs 112.

[0049] Specifically, the two sides of the main lining plate 160 are integrally connected to the first side wall 103 and the second side wall 104 of the main shell 100 through connecting ribs, and the first side wall 103 and the second side wall 104 have an integrated structure therebetween, which has better structural stability.

[0050] Specifically, the bracket component 300 has a power supply mounting position for mounting the power supply module 310 and a booster pump mounting position for mounting the booster pump 320, and the power supply mounting position and the booster pump mounting position are sequentially arranged along the length direction of the bracket component 300. The bracket component 300 has a first end and a second end along the length direction, the first end of the bracket component 300 is fixedly connected to the waterway plate component 200, the power supply mounting position is close to the first end of the bracket component 300, the booster pump mounting position is close to the second end of the bracket component 300, and the length direction space of the filter element component 500 is utilized to reasonably arrange the power supply module 310 and the booster pump 320, so that the length of the whole water purifier is only slightly longer than the length of the filter element component 500.

[0051] Specifically, the power supply mounting position is close to the waterway plate component 200, a partition plate 340 is arranged at the power supply mounting position, the spaces on both sides of the partition plate 340 are connected with the waterway plate component 200, the power supply module 310 is fixed to one side of the partition plate 340, and the booster pump 320 is connected to the interface of the waterway plate component 200 through a connecting pipe 321 arranged on the other side of the partition plate 340. Even if the connecting pipe 321 leaks, the power supply module 310 will not be directly affected by the leakage, and the reliability is better.

[0052] Specifically, one side of the partition plate 340 is provided with at least two power supply module fixing columns 341, the power supply module fixing columns 341 are provided with screw holes, the power supply module 310 is fixed with an ear part, the ear part has a hole position for allowing a power supply module locking piece to pass through, the power supply module 310 is fixed to the power supply module fixing column 341 through the power supply module locking piece (screw), and the bottom of the power supply module 310 is suspended relative to the bracket component 300. In this way, the power supply module 310 is suspended relative to the inner bottom of the bracket component 300 and the main shell 100, and even if water accumulates in the main shell 100 due to leakage or other reasons, the power supply module 310 will not be directly affected, and the safety and reliability are better.

[0053] Specifically, a sunken groove is arranged at the booster pump mounting position, and the booster pump 320 is partially contained in the sunken groove, and the booster pump 320 is fixed to the booster pump mounting position through a mounting bracket 322. The structure has good reliability.

[0054] Specifically, the mounting bracket 322 comprises a supporting plate 326 fixed to the outer side of the booster pump 320, and the booster pump 320 can be fixed to the supporting plate 326 by screws. The supporting plate 326 is in a semi-cylindrical shape and is arranged in the sink, and both sides of the supporting plate 326 extend outward to form a raised edge portion 323 located on both sides outside the sink. The raised edge portion 323 is provided with a booster pump mounting hole, and the bracket component 300 is provided with a booster pump fixing column arranged below the booster pump mounting hole. The supporting plate 326 is connected to the booster pump fixing column by a booster pump locking member 324 (screw), and a buffer sleeve 325 (rubber sleeve) is arranged between the supporting plate 326 and the booster pump fixing column, which is sleeved on the booster pump locking member 324, and the booster pump 320 has good buffering effect.

[0055] In the present application, the phrase "embodiment" or "embodiments" means that the specific features, structures or characteristics described in connection with the embodiment can be included in at least one embodiment of the present application. The appearance of the phrase in the specification does not necessarily mean the same embodiment, nor is it an independent or alternative embodiment that is not mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described in the present application can be combined with other embodiments. In addition, it should be understood that the features, structures or characteristics described in the embodiments of the present application can be combined with each other without contradiction, to form another embodiment that does not deviate from the spirit and scope of the technical solution of the present application.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the above preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A water purifier, characterized in that, The device includes a main housing. The front of the main housing has filter element mounting holes for filter element components to extend into the main housing. The back of the main housing has a water channel plate component. The side of the water channel plate component facing the filter element mounting holes is a water channel connection surface. The water channel connection surface has a filter element insertion structure for inserting filter element components. The filter element insertion structure faces the filter element mounting holes. A main liner plate is integrally formed inside the main housing. The first end of the main liner plate is integrally connected to the edge of the filter element mounting hole. There is a hollow space between the second end of the main liner plate and the water channel plate component. A secondary liner plate is provided at the hollow space. The first end of the secondary liner plate is connected to the water channel connection surface of the water channel plate component. The secondary liner plate is located below the filter element insertion structure. The second end of the secondary liner plate is connected to the end of the main liner plate.

2. A water purifier according to claim 1, characterized in that, The main liner plate has a semi-cylindrical or cylindrical cross-section; And / or, the cross-section of the sub-liner is semi-cylindrical or cylindrical.

3. A water purifier according to claim 1, characterized in that, The first end of the sub-liner is fixedly connected to the water channel plate component by a liner locking member, and the second end of the sub-liner is provided with an end slot, which is sleeved on the end edge of the second end of the main liner; or, the second end of the main liner is provided with an end slot, and the second end of the sub-liner is inserted into the end slot.

4. A water purifier according to claim 1, characterized in that, The back of the main housing is provided with an installation opening, and the water channel plate component is disposed in the installation opening and closes the installation opening; The main housing has a first reinforcing rib and a second reinforcing rib respectively on its opposite first and second side walls. Both the first and second reinforcing ribs extend into the main housing along the mounting opening. The water channel plate component has a first limiting groove and a second limiting groove respectively on its two sides. The first limiting groove is engaged with the first reinforcing rib, and the second limiting groove is engaged with the second reinforcing rib.

5. A water purifier according to claim 4, characterized in that, Multiple first and second limiting grooves are provided, and multiple first and second reinforcing ribs are provided; liner limiting grooves are provided on both sides of the sub-liner, and the liner limiting grooves are aligned with one of the first limiting grooves and one of the second limiting grooves and are engaged with the first and second reinforcing ribs.

6. A water purifier according to claim 4, characterized in that, The two sides of the main liner are integrally connected to the first and second side walls of the main housing by connecting ribs.

7. A water purifier according to claim 5, characterized in that, The opening at the end of the liner limiting groove away from the water circuit board component is provided with a guide slope.

8. A water purifier according to any one of claims 1 to 7, characterized in that, The front of the main housing is provided with at least two filter element mounting holes, and the water circuit board component is provided with at least two filter element insertion structures accordingly; the front of the main housing is provided with a panel.

9. A water purifier according to claim 8, characterized in that, The main housing is also provided with a bracket component, the first end of which is connected to the water circuit board component, and the second end of which is abutted against the inner sidewall of the front of the main housing; the bracket component has a power mounting position for installing a power module and a booster pump mounting position for installing a booster pump.

10. A water purifier according to claim 9, characterized in that, The water circuit board component and the bracket component are connected in an "L" shape. The bracket component is connected to the bottom side of the water circuit board component, and each of the filter element insertion structures is located above the bracket component. Alternatively, the water circuit board component and the bracket component are connected in a "T" shape; the bracket component is connected to one side of the middle part of the water circuit board component, and each of the filter element insertion structures is respectively arranged above and below the bracket component.

Images