Water purifier

Abstract

The utility model relates to a water purifier, including main casing and hydroelectric assembly module, the hydroelectric assembly module includes waterway board component and bracket component, the one end of bracket component is provided with the bearing groove, the waterway board component is partially inserted in the bearing groove and is limited by the bearing groove, the bracket component is provided with the bearing groove, and the waterway board component is inserted in the bearing groove and is limited by the bearing groove. Locking pieces used for locking the waterway board component to the bracket component are arranged on the two sides or / and the bottom of the bearing groove of the bracket component. According to the water purifier provided by the utility model, the waterway board component and the bracket component can be reliably connected to form the hydroelectric assembly module, the hydroelectric assembly module is integrally assembled in the main shell, and the water purifier is compact in structure, convenient to assemble and low in cost.

Description

Technical Field

[0001] This utility model relates to the field of water purifier technology, and specifically to a water purifier. Background Technology

[0002] Existing water purifiers include many accessories, such as water pipes, filter cartridges, and various electrical components. Some of these accessories are assembled into the middle frame bracket, while others are directly installed and fixed in different positions on the water purifier's casing, making assembly inconvenient. Utility Model Content

[0003] In view of this, the present invention provides a water purifier in which the water circuit board component and the bracket component can be reliably connected to form a water and electricity assembly module, which is easy to assemble.

[0004] This utility model provides a water purifier, including a main housing and a water and electricity assembly module. The water and electricity assembly module includes a water circuit board component and a bracket component. One end of the bracket component is provided with a support groove. The water circuit board component is partially inserted into the support groove and limited by the support groove. The bracket component is provided with locking members on both sides and / or the bottom of the support groove for locking the water circuit board component to the bracket component.

[0005] Specifically, the side of the water channel plate component facing the inner cavity of the main housing is a water channel connection surface, and the water channel connection surface is provided with a filter element insertion structure. The filter element insertion structure is used for inserting filter element components. The main housing has a filter element mounting position, which is located above the bracket component.

[0006] Specifically, the water channel plate component includes a first cover and a second cover plate, which are fixedly connected to each other to form a water channel chamber;

[0007] One end of the first cover is inserted into the support groove, and the side of the second cover facing the first cover is abutted against the end face of the first end of the bracket component.

[0008] Specifically, the portion of the first cover inserted into the support groove is the insertion part, and the portion of the first cover outside the support groove is the exposed part. The side wall of the insertion part is recessed inward relative to the side wall of the exposed part, and the two opposite outer sides of the exposed part and the two opposite outer sides of the bracket component are all abutted against the inner side wall of the main housing.

[0009] Specifically, the two opposite outer surfaces of the exposed portion are provided with limiting slots, the limiting slots are adjacent to the insertion portion, and one side wall of the limiting slot is flush with the upper end surface of the bracket component.

[0010] The inner side of the main housing is provided with a limiting protrusion, which is inserted into the limiting slot and abuts against the upper end face of the bracket component.

[0011] Specifically, one side of the support groove is an open surface, the open surface extends through the first end of the bracket component, and the support groove is provided with a guide slope near the edge of the open surface;

[0012] The support groove has an inner side facing the opening, and the water passage connection surface abuts against the inner side.

[0013] Specifically, the support groove is U-shaped, and the plug portion is U-shaped to match the support groove.

[0014] Specifically, the bracket component is provided with a first through hole on each side of the support groove, and the two opposite outer sides of the first cover are provided with a first screw hole. The locking component includes a first screw, which passes through the first through hole and is threaded to the first screw hole.

[0015] The bracket component has a second through hole at the bottom surface of the support groove, and the bottom surface of the second cover plate has a corresponding second screw hole. The locking component includes a second screw, which passes through the second through hole and is threaded into the second screw hole.

[0016] The bracket component has a third through hole on the side of the support groove that connects to the water channel, and a third screw hole is provided on the water channel connection surface. The locking component includes a third screw, which passes through the third through hole and is threaded into the third screw hole.

[0017] Specifically, one side of the main housing is provided as an installation opening, the water and electricity assembly module is inserted into the main housing through the installation opening, the outer side of the water circuit board component is connected to the side wall of the main housing, and the water circuit board component closes the installation opening.

[0018] Specifically, the first and second sidewalls of the main housing are respectively provided with at least two first reinforcing ribs and at least two second reinforcing ribs. The first and second reinforcing ribs extend into the main housing along the mounting opening. The water channel plate component is provided with a first limiting groove and a second limiting groove on both sides. The first limiting groove is engaged with the first reinforcing rib, and the second limiting groove is engaged with the second reinforcing rib.

[0019] At least one of the first reinforcing ribs and at least one of the second reinforcing ribs are engaged at the top of the bracket component;

[0020] The bottom of the bracket component is connected to the third side wall of the main housing. The third side wall of the main housing is provided with a third reinforcing rib. The third reinforcing rib extends into the main housing along the mounting opening. The bracket component is provided with multiple protruding ribs. The protruding ribs are misaligned with the third reinforcing rib, or a limiting groove is formed between two protruding ribs, and the third reinforcing rib is engaged in the limiting groove.

[0021] This utility model provides a water purifier in which the water circuit board component and the bracket component can be reliably connected to form a water and electricity assembly module. The water and electricity assembly module is integrally assembled in the main housing, which has a compact structure and is easy to assemble and has low cost. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0023] Figure 1 A three-dimensional assembly diagram of a water purifier from a first angle, provided for an embodiment of this utility model;

[0024] Figure 2 A two-dimensional assembly diagram of a water purifier provided for an embodiment of this utility model;

[0025] Figure 3 A three-dimensional assembly diagram of the hydroelectric power assembly module provided in an embodiment of this utility model;

[0026] Figure 4 A first-angle exploded perspective view of the hydroelectric power assembly module provided in an embodiment of this utility model;

[0027] Figure 5 An exploded perspective view of a water purifier provided in an embodiment of this utility model;

[0028] Figure 6 This is a second-angle exploded perspective view of the water purifier provided in an embodiment of the present utility model;

[0029] Figure 7 A third-angle exploded perspective view of the water purifier provided in this embodiment of the utility model;

[0030] Figure 8 This is a fourth-angle exploded view of the water purifier provided in an embodiment of the present invention. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] The terms "first," "second," etc., in the specification, claims, and accompanying drawings of this utility model are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or apparatuses.

[0033] In this document, references to "embodiment" or "implementation" mean that a particular feature, structure, or characteristic described in connection with an embodiment or implementation may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0034] like Figures 1 to 8 As shown, this embodiment provides a water purifier, including a main housing 100 and a water and electricity assembly module. The water and electricity assembly module includes a water circuit board component 200 and a bracket component 300. In this embodiment, one end of the bracket component 300 is provided with a support groove 351. The water circuit board component 200 is partially inserted into the support groove 351 and limited by the support groove 351. The bracket component 300 is provided with locking members on both sides and / or the bottom of the support groove 351. The locking members are used to lock the water circuit board component 200 into the support groove 351 of the bracket component 300. The locking members can be screws. The lower end of the water circuit board component 200 is inserted into the support groove 351 of the bracket component 300 and locked together by the locking members to form a water and electricity assembly module (i.e., an integrated water circuit board component), which has good connection reliability.

[0035] Specifically, the water channel plate 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 channel plate component 200; the water channel plate component 200 can be designed longitudinally, and the bracket component 300 is laterally connected to the bottom of one side of the water channel plate component 200, such as... Figure 3As shown, an L-shaped integrated structure is formed. This L-shaped integrated structure can be inserted into and fixed to the main housing 100 as a whole. The bracket component 300 can be positioned close to the bottom of the main housing 100 for good stability. Alternatively, the bracket component 300 can be designed close to the inner top of the main housing 100. 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.

[0036] Specifically, the side of the water channel plate component 200 facing the inner cavity of the main housing 100 is the water channel connection surface 221, and the opposite side is the outer appearance surface 222. The water channel connection surface 221 is provided with a filter element insertion structure 201, which is used for inserting the filter element component 500. The main housing 100 has a filter element mounting position, which is located above the bracket component 300.

[0037] Specifically, the water channel plate component 200 includes a first cover plate 10 and a second cover plate 20, which are fixedly connected to each other to form a water channel chamber; one end of the first cover plate 10 is inserted into the support groove 351, and the side of the second cover plate 20 facing the first cover plate 10 is attached to the end face of the first end of the bracket component 300, which makes it easy to position during docking and helps to improve assembly accuracy.

[0038] Specifically, the portion of the first cover plate 10 inserted into the support groove 351 is the insertion part, and the portion of the first cover plate 10 located outside the support groove 351 is the exposed part. The side wall of the insertion part is recessed inward relative to the side wall of the exposed part. The two opposite outer sides of the exposed part and the two opposite outer sides of the bracket component 300 are all abutted against the inner side wall of the main housing 100, so that the outer side of the water channel plate component 200 and the outer side of the bracket component 300 can be flush, avoiding the formation of a stepped structure between the outer side of the water channel plate component 200 and the outer side of the bracket component 300. When the whole is installed in the main housing 100, the outer side of the water channel plate component 200 and the outer side of the bracket component 300 can simultaneously abut against the opposite first side wall 103 and second side wall 104 of the main housing 100, resulting in better structural reliability.

[0039] Specifically, the two opposite outer surfaces of the exposed portion are provided with limiting slots, the limiting slots are adjacent to the insertion portion, and one side wall of the limiting slot is flush with the upper end face of the bracket component 300; the inner side of the main housing 100 is provided with a limiting protrusion, the limiting protrusion is inserted into the limiting slot, and the limiting protrusion abuts against the upper end face of the bracket component 300, thereby limiting the installation of the water circuit board component 200 and the bracket component 300.

[0040] In this embodiment, the back of the main housing 100 has an installation opening 101. The water channel plate integrated component is integrally inserted into the main housing 100 through the installation opening 101, and the water channel plate component 200 closes the installation opening 101. In this embodiment, the back of the main housing 100 is integrally configured as the installation opening 101, and all four sides of the water channel plate component 200 are connected to the inner sidewall of the main housing 100. The main housing 100 adopts an integrally formed structure, with filter element mounting holes 1021 on its front side and a fully open design on its back side. The water channel plate integrated component is directly connected to the inner side of the main housing 100, resulting in a compact structure, convenient assembly, and low production cost. 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.

[0041] Specifically, the two opposing sidewalls of the main housing 100 are a first sidewall 103 and a second sidewall 104. The opposing first sidewall 103 and second sidewall 104 of the main housing 100 are respectively provided with a first reinforcing rib 111 and a second reinforcing rib 112, and at least one set of the first reinforcing rib 111 and the second reinforcing rib 112 serves as the aforementioned limiting protrusion. The first reinforcing rib 111 and the second reinforcing rib 112 both extend along the mounting opening 101 toward the front panel 102 of the main housing 100. The water channel plate component 200 and the bracket component 300 are provided with limiting slots (a first limiting slot 211 and a second limiting slot 212) on both sides. The first limiting slot 211 is engaged with the first reinforcing rib 111, and the second limiting slot 212 is engaged with the second reinforcing rib 112. The installation of each component is stable, and the design does not require too many screws and clips, which is conducive to further improving assembly efficiency and reducing costs. Furthermore, the addition of reinforcing ribs effectively improves the structural strength of the main shell 100, prevents deformation of the main shell 100, and enhances structural reliability.

[0042] Specifically, in this embodiment, the lower sidewall (bottom wall) of the main housing 100 is defined as the third sidewall 105, and the upper sidewall (top wall) of the main housing 100 is defined as the fourth sidewall 106. The first sidewall 103 and the second sidewall 104 are arranged facing each other, and the third sidewall 105 and the fourth sidewall 106 are arranged facing each other. The first sidewall 103, the second sidewall 104, the third sidewall 105, and the fourth sidewall 106 together form a rectangular frame. The front panel 102 of the main housing 100 is integrally connected to the first sidewall 103, the second sidewall 104, the third sidewall 105, and the fourth sidewall 106, forming a housing structure with a rear side opening. 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, which extends into the main housing 100 along the mounting opening 101. The bracket component 300 is provided with multiple protruding ribs 311, which are staggered with the third reinforcing rib 213. Alternatively, a limiting groove is formed between two protruding ribs 311, and the third reinforcing rib 213 is engaged in the limiting groove, resulting in good installation and positioning. The bottom of the bracket component 300 has a certain gap with the inner bottom of the main housing 100, so that even if water accumulates inside the main housing 100 due to leakage, the water can be prevented from directly soaking the electrical components on the bracket component 300. The top of the water channel plate component 200 is provided with a fourth limiting groove 214, and 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 is engaged with the fourth limiting groove 214. In this way, the water channel plate integrated component is assembled and constrained in all four directions through the rib groove mating structure, and its internal structure is stable. The water channel plate component 200 is completely sealed to the mounting opening 101 on the back of the main housing 100. The fourth side wall 106 of the main housing 100 may be provided with a water channel interface, and the interface of the water channel plate component 200 is aligned with the water channel interface.

[0043] Specifically, the first sidewall 103 and the second sidewall 104 of the main housing 100 are provided with screw through holes 107 near the mounting opening 101. Countersunk screws are provided in the screw through holes 107, and these countersunk screws are threaded onto both sides of the water circuit board component 200 to prevent the integrated water circuit board component from exiting the mounting opening 101. A patch is provided at the countersunk screw location. This patch can be flush with the first sidewall 103 and the second sidewall 104 of the main housing 100. The color, surface texture, and pattern of the patch can be consistent with the outer surface of the main housing 100 to ensure good product appearance consistency.

[0044] Specifically, one side of the support groove 351 is an open surface, which extends through the first end of the bracket component 300, and the support groove 351 is provided with a guide slope 3511 near the edge of the open surface to facilitate installation.

[0045] Specifically, the support groove 351 has an inner side 3512 facing the opening surface, and the water channel connection surface 221 abuts against the inner side 3512 to form a reliable docking structure with better structural reliability.

[0046] Specifically, the support groove 351 is U-shaped and extends through the first end of the bracket component 300. The plug part is U-shaped to match the support groove 351. The plug part and the support groove 351 are adapted to be connected and locked by screws, and its structure is reliable.

[0047] Specifically, such as Figure 5 , Figure 6 As shown, the bracket component 300 has first through holes 3513 on both sides of the support groove 351, and the two opposite outer surfaces of the first cover plate 10 have corresponding first screw holes. The locking component includes a first screw, which passes through the first through hole 3513 and is threaded into the first screw hole. The bracket component 300 has a second through hole 3514 on the bottom surface of the support groove 351, and the bottom surface of the second cover plate 20 has corresponding second screw holes. The locking component includes... The bracket component 300 includes a second screw, which passes through the second through hole 3514 and is threaded to the second screw hole; the bracket component 300 has a third through hole 3515 on the side of the support groove 351 facing the water channel connection surface 221, and the water channel connection surface 221 has a third screw hole; the locking component includes a third screw, which passes through the third through hole 3515 and is threaded to the third screw hole; the connection between the bracket component 300 and the water channel plate component 200 has good reliability.

[0048] Specifically, the back of the main housing 100 is provided with an installation opening 101. The water and electricity assembly module is inserted into the main housing 100 through the installation opening 101. The outer side of the water circuit board component 200 is connected to the side wall of the main housing 100, and the water circuit board component 200 closes the installation opening 101, resulting in a good overall appearance.

[0049] Specifically, the bracket component 300 is provided with a first side flange 371 and a second side flange 372 on both sides. The outer surfaces of the first side flange 371 and the second side flange 372 abut against the first side wall 103 and the second side wall 104 of the main housing 100. The first side wall 103 and the second side wall 104 of the main housing 100 are respectively provided with a first reinforcing rib 111 and a second reinforcing rib 112. The side of the first reinforcing rib 111 and the second reinforcing rib 112 facing the third side wall 105 is a snap-fit ​​surface. The upper ends of the first side flange 371 and the second side flange 372 are snapped into the snap-fit ​​surface, which can limit the longitudinal movement of the bracket component 300 and provide good structural reliability.

[0050] In practical applications, the water and electricity assembly module can be inserted entirely into the main housing 100 through the installation opening 101. The water circuit board component 200 can serve as the outer side of the water purifier and cover the installation opening 101. The filter element component 500 can be inserted into the main housing 100 through the front panel 102 on the front side of the housing and plugged into the filter element insertion structure 201. During installation, the filter element component 500 can be connected to the filter element insertion structure 201 (filter element socket) using a screw, thread, or clip structure, so that the water circuit of the filter element component 500 and the water circuit board component 200 is connected. In this embodiment, two filter element components 500 are provided, namely a five-in-one filter element and an RO filter element.

[0051] Specifically, a control board mounting frame 360 ​​is fixedly or integrally provided at the second end of the bracket component 300. A control circuit board 330 is provided inside the control board mounting frame 360. A back sealing plate 361 is provided on the side of the control board mounting frame 360 ​​near the first end. The side of the control board mounting frame 360 ​​near the second end is set as an opening and abuts against the inner wall of the main housing 100 to form a control board cavity. The control circuit board 330 is installed in the control board cavity, which is not easily affected by the moisture inside the main housing 100, and has good reliability. The control circuit board 330 is integrated into the bracket component 300, which can facilitate assembly, improve assembly efficiency and reduce costs.

[0052] Specifically, the control board mounting frame 360 ​​abuts against the inner side of the front panel 102 of the main housing 100, the control circuit board 330 is provided with indicator lights, and the front panel 102 of the main housing 100 is provided with an indicator light transmission area corresponding to the indicator lights, so that users can identify the working status of the product.

[0053] Specifically, the back cover plate 361 is provided with a cable passage hole for the cable to pass through. The control circuit board 330 is attached to the back cover plate 361 and is located above the cable passage hole. The control circuit board 330 is positioned relatively high to avoid the influence and interference of steam.

[0054] Specifically, a sealing gasket can be provided at the edge of the opening, and the control panel mounting frame 360 ​​abuts against the inner side of the front panel 102 through the sealing gasket. The edge of the opening can also directly abut against the inner side of the front panel 102 to form a relatively closed control panel cavity.

[0055] Specifically, the bracket component 300 is connected to the main housing 100 on both sides and the bottom. The first side wall 103 and the second side wall 104 of the main housing 100 are respectively provided with a first reinforcing rib 111 and a second reinforcing rib 112. The control panel mounting frame 360 ​​is provided with mounting frame limiting grooves 362 on both sides. The first reinforcing rib 111 and the second reinforcing rib 112 are respectively engaged in the mounting frame limiting grooves 362, and the limiting effect of the bracket component 300 is good.

[0056] Specifically, the inner sidewall of the control board mounting frame 360 ​​is provided with an inner protrusion 363, the mounting frame limiting groove 362 is provided from the inner protrusion 363 of the control board mounting frame 360, the control circuit board 330 is provided with a notch, the notch is engaged with the inner protrusion 363, and the control circuit board 330 is fixed to the control board mounting frame 360 ​​by a circuit board locking member, making the installation of the control circuit board 330 convenient.

[0057] In this utility model, the terms "embodiment" and "implementation" mean that a specific feature, structure, or characteristic described in connection with an embodiment can be included in at least one embodiment of this utility model. The appearance of these phrases in various places in the specification does not necessarily refer to the same embodiment, nor are they independent or alternative embodiments mutually exclusive with other embodiments. Those skilled in the art will understand, explicitly and implicitly, that the embodiments described in this utility model can be combined with other embodiments. Furthermore, it should be understood that the features, structures, or characteristics described in the various embodiments of this utility model can be arbitrarily combined to form another embodiment that does not depart from the spirit and scope of the technical solution of this utility model, provided there is no contradiction between them.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to the above preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solution of this utility model should not depart from the spirit and scope of the technical solution of this utility model.

Claims

1. A water purifier characterized by comprising: The utility model provides a water and electricity assembly module and a main shell, the water and electricity assembly module includes water route board spare and bracket part, one end of bracket part is provided with the support groove, water route board spare is inserted in support groove and is limited by support groove, and the bracket part is provided with locking piece for locking water route board spare in bracket part on both sides or / and bottom of support groove.

2. A water purifier according to claim 1, wherein The water route connecting surface of the water route board component faces the inner cavity of the main shell, and the water route connecting surface is provided with a filter element plug-in structure for plug-in of the filter element component.

3. A water purifier as claimed in claim 2, wherein The water route board component includes a first cover body and a second cover plate, and the first cover body and the second cover plate are fixedly connected to each other to form a water route chamber. One end of the first cover body is inserted into the support groove, and one surface of the second cover plate opposite to the first cover body is partially attached to the end surface of the first end of the bracket part.

4. A water purifier as claimed in claim 3, wherein The part of the first cover body inserted into the support groove is an insertion part, and the part of the first cover body outside the support groove is an exposed part, the side wall of the insertion part is concave inward relative to the side wall of the exposed part, and the two opposite outer side surfaces of the exposed part are attached to the inner side wall of the main shell.

5. A water purifier as claimed in claim 4, wherein The two opposite outer side surfaces of the exposed part are provided with limiting clamping grooves adjacent to the insertion part, and one side wall of the limiting clamping groove is flush with the upper end surface of the bracket part. The inner side of the main shell is provided with a limiting protrusion inserted into the limiting clamping groove, and the limiting protrusion is attached to the upper end surface of the bracket part.

6. The water purifier according to claim 3, wherein One surface of the support groove is an open surface, the open surface penetrates through the first end of the bracket part, and the edge of the support groove close to the open surface is provided with a guide inclined surface. The support groove has an inner side surface facing the open surface, and the water route connecting surface abuts against the inner side surface.

7. A water purifier as claimed in claim 4 wherein, The support groove is in a U shape, and the shape of the insertion part is also in a U shape to match the support groove.

8. The water purifier according to claim 3, wherein The bracket part is provided with first through holes at both side surfaces of the support groove, and the two opposite outer side surfaces of the first cover body are correspondingly provided with first screw holes, the locking piece includes first screws, the first screws pass through the first through holes and are screw-connected to the first screw holes. The bracket part is provided with second through holes at the bottom surface of the support groove, and the bottom surface of the second cover plate is correspondingly provided with second screw holes, the locking piece includes second screws, the second screws pass through the second through holes and are screw-connected to the second screw holes. The bracket part is provided with third through holes at the surface facing the water route connecting surface of the support groove and the water route connecting surface, and the water route connecting surface is provided with third screw holes, the locking piece includes third screws, the third screws pass through the third through holes and are screw-connected to the third screw holes.

9. The water purifier according to claim 3, wherein One side of the main shell is provided with a mounting opening, the water and electricity assembly module is inserted into the main shell from the mounting opening, the outer side of the water circuit board component is in contact with the side wall of the main shell, and the water circuit board component closes the mounting opening.

10. The water purifier according to claim 3, wherein The opposite first side wall and second side wall of the main shell are respectively provided with at least two first reinforcing ribs and at least two second reinforcing ribs, the first reinforcing ribs and the second reinforcing ribs are arranged to extend into the main shell along the mounting opening, the two sides of the water circuit board component are respectively provided with first limiting grooves and second limiting grooves, the first limiting grooves are clamped on the first reinforcing ribs, and the second limiting grooves are clamped on the second reinforcing ribs. At least one of the first reinforcing ribs and at least one of the second reinforcing ribs are clamped on the top of the bracket component. The bottom of the bracket component is in contact with the third side wall of the main shell, the third side wall of the main shell is provided with a third reinforcing rib, the third reinforcing rib is arranged to extend into the main shell along the mounting opening, the bracket component is provided with a plurality of convex ribs, the convex ribs are in staggered contact with the third reinforcing rib, or a limiting groove is formed between two of the convex ribs, and the third reinforcing rib is clamped in the limiting groove.

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