CN111825161B

CN111825161B - Water purifier

Info

Publication number: CN111825161B
Application number: CN201910288463.5A
Authority: CN
Inventors: 吴卫平
Original assignee: Midea Group Co Ltd; Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2022-08-26
Anticipated expiration: 2039-04-15
Also published as: CN111825161A

Abstract

The invention discloses a water purifier, which comprises: a mid-shell including a mounting barrel for mounting a filter cartridge, the mounting barrel having an opening; the water channel plate is arranged on the mounting cylinder and close to the opening; the waterway plate is provided with at least three waterway interfaces which are connected with each other and are close to the opening for connecting the pipe joints of the filter element. The technical scheme of the invention improves the structural compactness of the water purifier.

Description

Water purifier

Technical Field

The invention relates to the technical field of water purifiers, in particular to a water purifier.

Background

A traditional large-flux reverse osmosis water purifier usually adopts a plurality of filter elements, so that the filter elements are required to be detached for many times during maintenance of the filter elements, and inconvenience is brought. Therefore, people develop the composite filter element which has the functions of a plurality of traditional filter elements simultaneously, and the convenience of disassembling the filter element is greatly improved. However, with the development of composite filter elements, higher demands have been made.

Because the use of combined type filter core, need have the booster pump to assist with its function of better realization, the purifier still has the waterway structure simultaneously, and at this moment, how to set up the relation between booster pump and the waterway structure, could improve space utilization and become the problem that an urgent need was solved.

It should be noted that the above background art is written for better disclosure of technical problems and is not representative of the prior art.

Disclosure of Invention

The invention mainly aims to provide a water purifier and aims to improve the structural compactness of the water purifier.

In order to achieve the above object, the present invention provides a water purifier, comprising: a mid-shell including a mounting cylinder for mounting a filter cartridge, the mounting cylinder having an opening; the water channel plate is arranged on the mounting cylinder and close to the opening; the waterway plate is provided with at least three waterway interfaces of the joint row, which are close to the opening and are used for connecting the pipe joints of the filter element. The technical scheme of the invention improves the structural compactness of the water purifier.

Drawings

In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a vertical water purifier according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;

FIG. 3 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 4 is a schematic structural diagram of an embodiment of the horizontal water purifier according to the present invention;

FIG. 5 is a schematic diagram of the exploded structure of FIG. 4;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is a partial enlarged view of the portion B in FIG. 5;

FIG. 8 is an enlarged view of a portion of FIG. 5 at C;

FIG. 9 is a schematic illustration of the partially assembled exploded structure of FIG. 5;

FIG. 10 is an enlarged view of a portion of FIG. 9 at D;

FIG. 11 is an enlarged view of a portion of FIG. 9 at E;

FIG. 12 is an enlarged view of a portion of FIG. 9 at F;

FIG. 13 is a schematic diagram of an exploded view of another embodiment of the horizontal water purifier;

FIG. 14 is an enlarged view of a portion of FIG. 13 at G;

FIG. 15 is a schematic structural view of a horizontal water purifier according to another embodiment of the present invention;

FIG. 16 is a schematic view of the structure of FIG. 15 from another angle;

FIG. 17 is a schematic view of the exploded structure of FIG. 15;

FIG. 18 is a schematic structural view of a horizontal water purifier according to yet another embodiment of the present invention;

FIG. 19 is a schematic structural view of an embodiment of a housing of the present invention;

FIG. 20 is a schematic view of another embodiment of the housing of the present invention;

FIG. 21 is a schematic structural view of a further embodiment of the housing of the present invention;

FIG. 22 is a schematic structural view of a further embodiment of the housing of the present invention;

FIG. 23 is an exploded view of an embodiment of the display panel assembly of the vertical water purifier of the present invention;

FIG. 24 is an exploded view of a display panel assembly of a vertical water purifier according to another embodiment of the present invention;

FIG. 25 is a schematic view of an exploded structure of the display panel assembly of the horizontal water purifier according to the present invention;

FIG. 26 is a schematic view of the cassette of FIG. 24;

FIG. 27 is a schematic view of the display panel of the vertical water purifier according to the present invention;

FIG. 28 is an enlarged view of a portion of FIG. 27 at H;

FIG. 29 is a partial exploded view of a water purifier according to the present invention;

FIG. 30 is an enlarged view of a portion of FIG. 29 taken at I;

FIG. 31 is a schematic view of the assembled structure of FIG. 29;

FIG. 32 is a partial exploded view of the water purifier of the present invention;

FIG. 33 is a schematic view of a water purifier according to the present invention showing a locking state of a pressing rod;

FIG. 34 is a schematic view of a water purifier according to the present invention, showing an unlocked state of the pressure lever;

FIG. 35 is an exploded view of the compression bar of the water purifier of the present invention;

FIG. 36 is a partial schematic view of FIG. 35;

FIG. 37 is a schematic view of the top cover of FIG. 34 after being hidden;

FIG. 38 is a schematic view of the top cover of FIG. 33 after being hidden;

FIG. 39 is a schematic view of an assembled compression bar of a water purifier according to an embodiment of the present invention;

FIG. 40 is an enlarged view of a portion of FIG. 39 at K;

FIG. 41 is a schematic view of an assembled pressing rod of a water purifying machine according to another embodiment of the present invention;

FIG. 42 is a schematic view of the assembled structure of the water purifier with the water path plate and the pressure lever;

FIG. 43 is an enlarged view of a portion of FIG. 42 taken at J;

FIG. 44 is a schematic view of a waterway plate of the water purifier according to the present invention;

FIG. 45 is a schematic view of a waterway plate and an electromagnetic valve of the water purifier according to the present invention;

FIG. 46 is a schematic structural view of a waterway plate and a waterway adapter of the water purifier according to the present invention;

FIG. 47 is a schematic view of the assembled structure of FIG. 46;

fig. 48 is a schematic structural view of the waterway adapter of the present invention.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, and includes a technical scheme a, a technical scheme B, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 13, the present invention mainly provides a water purifier, which includes a housing 100, the housing 100 is an integrated housing 100, the integrated housing 100 has a mounting cavity, and a front mounting opening 111 and a rear mounting opening 112 at two ends of the housing 100. A middle case 300 disposed inside the outer case 100, a first end case 210 for opening or closing the front mounting port 111, a second end case 220 for opening or closing the rear mounting port 112, and a base 400 disposed at the bottom of the outer case 100. The middle shell 300 is provided with a water channel plate 500 at one end close to the opening 311, and a booster pump 250 at the other end far from the opening 311. A pressing rod of the filter element 350 is disposed on the middle casing 300 at a position corresponding to the opening 311 of the middle casing 300, the filter element 350 is pressed by the pressing rod of the filter element 350 in a normal state, and a top part 760 disposed at one end of the pressing rod of the filter element 350 pries up the filter element 350 when the filter element 350 is removed. In the installation process of the water purifier, the water channel plate 500, the booster pump 250 and the like are firstly installed on the middle shell 300, the installed middle shell 300 assembly is installed into the installation cavity from the front installation opening 111, then the middle shell 300 and the shell 100 are fixed at the position of the rear installation opening 112, and the base 400 is installed at the bottom of the shell 100.

The filter element 350 of the single-core water purifier is a large-flux single filter element 350, that is, the filter element 350 in the present application takes the large-flux composite filter element 350 as an example, and the water purifier also includes one filter element 350 as an example. The composite filter element 350 with large flux can realize the water purification function which can be realized by a plurality of original filter elements 350, and compared with the existing common filter, the composite filter element 350 has larger volume and heavier weight.

The water purifier comprises a horizontal water purifier and a vertical water purifier, wherein a middle shell 300 and an outer shell 100 of the horizontal water purifier are both transversely arranged, and the length dimension of the middle shell is greater than the height dimension of the middle shell; a first end shell 210 of the horizontal water purifier is a front shell, and a second end shell 220 of the horizontal water purifier is a rear shell; the middle shell 300 and the outer shell 100 of the vertical water purifier are both vertically arranged, and the length or width dimension of the middle shell is smaller than the height dimension; the first end shell 210 of the vertical water purifier is a top shell, and the second end shell 220 is a bottom shell.

In the application, the horizontal and vertical middle shells 300 can be used universally, so that the cost of the water purifier is greatly reduced; the filter element 350 can be disassembled conveniently through the abutting piece 760; by directly connecting the base 400 and the middle case 300, vibration and noise can be reduced; the full use of space is realized by disposing the display panel at different positions of the middle case 300 according to model; the water channel plate 500 and the booster pump 250 are arranged on the same side of the middle shell 300, so that the water channel structure of the water purifier is greatly simplified; the booster pump 250 is arranged in parallel with the middle shell 300, so that the space utilization rate is greatly improved, and meanwhile, the vibration and noise reduction and the stability improvement of the water purifier are facilitated; by providing a locking mechanism between the pressing lever and the middle case 300, the stability of the locked state of the pressing lever can be improved.

The following description will mainly describe the specific structure of the water purifier, and first introduce the whole structure of the water inlet machine as a whole, and then describe the specific detailed structure of each core component [ the outer shell 100, the middle shell 300 assembly (the middle shell 300, the waterway plate 500, the booster pump 250, the pressure rod, etc.), the first end shell 210, the second end shell 220, the base 400], and the position relationship, the assembly relationship, etc. among the components.

Referring to fig. 1 to 15, in the embodiment of the present invention, the water purifier includes an outer shell 100, a middle shell 300 assembly installed inside the outer shell 100, a first end shell 210 detachably connected to an end of the outer shell 100 having a front mounting port 111, a second end shell 220 detachably connected to an end of the outer shell 100 having a rear mounting port 112, and a base 400 detachably connected to a bottom of the outer shell 100 or the middle shell 300. The water board 500, the booster pump 250, the display device, the electric control box and the filter element 350 are all arranged on the middle shell 300, and the filter element 350 is arranged inside the middle shell 300.

The housing 100 is, for example, an integrated housing 100, and the housing 100 is provided in a cylindrical shape, and may have various shapes such as a cylinder and a square cylinder (may have a circular chamfer). The mounting cavity is penetrated in the longitudinal direction of the housing 100, and has one end communicating with the front mounting port 111 and the other end communicating with the rear mounting port 112. Structures may be provided in the mounting cavity to mate with the first end shell 210, the second end shell 220, the middle shell 300, and the base 400. It should be noted that in some embodiments, the one-piece housing 100 does not only mean that the housing 100 is integrally formed, but also that its appearance is substantially set at the time of manufacture.

Referring to fig. 1 to 15, the features of the housing 100 of the vertical water purifier, the first horizontal water purifier and the second horizontal water purifier will be described below:

the outer shell 100 of the vertical water purifier is vertically arranged when in work, and the middle shell 300 assembly is vertically arranged in the installation cavity. Extraction and insertion is performed from the top of the housing 100 when the cartridge 350 is installed and removed. The front mounting opening 111 is located at the top of the mounting cavity, and the rear mounting opening 112 is located at the bottom of the mounting cavity. At this time, the second end case 220 and the base 400 may be combined into one unit, and the base 400 is directly connected to the middle case 300, but of course, in some embodiments, the base 400 may also be connected to the outer case 100 at the same time.

The outer case 100 has a rectangular tubular shape, and a side surface corresponding to one short side thereof is formed in an arc shape, and a display panel is disposed on the middle case 300 corresponding to the arc side surface. The arc-shaped side faces are inclined from the front side of the housing 100 to the back from the bottom to the top. The vertical water purifier further comprises a casing 100 decorative plate 230, wherein a mounting groove is formed in the front side of the casing 100, and after the casing 100 decorative plate 230 is mounted in the mounting groove, the surface of the casing 100 decorative plate 230 is smoothly spliced with the surface of the casing 100. The decorative plate 230 of the housing 100 is an arc-shaped plate, and the width dimension of the upper end thereof is greater than that of the lower end thereof. The both sides edge of decorative board 230 distributes and has the buckle, is provided with in the mounting groove and detains the position, and decorative board 230 is fixed through the cooperation of buckle and knot position. When the decorative plate 230 is installed, the edge of the decorative plate is attached to the edge of the installation groove, so that the decorative surface is smoothly transited to the surface of the housing 100. The decorative plate 230 has a light-transmitting area at a position corresponding to the display panel for a user to view the content of the display panel. Of course, in some embodiments, the decorative plate 230 may be vertically installed, and the stereoscopic effect is embodied by the decorative plate 230 with a wide top and a narrow bottom. Through decorative board 230's setting, can adjust decorative board 230's outward appearance colour as required to can satisfy different customer demands through changing different decorative board 230, and then improve the adaptability of purifier.

Referring to fig. 2 to 14, the first horizontal housing 100 is disposed horizontally during operation, and the middle housing 300 is mounted horizontally in the mounting cavity. Extraction and insertion is performed laterally from one end of the housing 100 during installation and removal of the cartridge 350. The front mounting opening 111 is located at one transverse end of the mounting cavity, and the rear mounting opening 112 is located at the other transverse end of the mounting cavity. At this time, the housing 100 has a top surface, a bottom surface and two side surfaces, and two adjacent surfaces are connected by a large fillet transition. The top of the rear end of the housing 100 is provided with an installation gap for the water outlet connector 240 to extend out, and the installation gap is communicated with the rear installation opening 112. The bottom of the rear end is provided with a support 131 which is matched with a wire limiting structure 532 (a wire pressing structure 333) to ensure that a wire can smoothly pass through the bottom of the rear shell. The support 131 is arranged corresponding to the notch at the bottom of the rear shell. The bottom of installation cavity is close to the position of support 131, is provided with the pad foot to the supporting legs butt of confession mesochite 300 provides the support for mesochite 300, not only makes things convenient for the installation of mesochite 300 subassembly, also avoids when the external force collides, and mesochite 300 subassembly freely falls and receives the damage. The middle position of the bottom of the middle shell 300 is further provided with a buckling position for the fastening buckle on the chassis to match. In some implementations, the bottom of the casing 100 is provided with a positioning rib 114, the positioning rib 114 is located outside the installation cavity, the positioning rib 114 encloses an area for installing the base 400, and the base 400 is installed in the area; the bottom of the base 400 is flush with the side of the positioning rib 114 away from the housing 100. The side of the positioning rib 114 facing away from the casing 100 has a supporting plane, and the positioning rib 114 is enclosed to form a ring shape, and the supporting plane is arranged in a ring shape.

Referring to fig. 15 to 17, the second horizontal housing 100 is different from the first horizontal housing 100 in that the transition round corners between the top surface, the bottom surface and the two side surfaces are smaller, the bottom of the housing 100 has mounting ribs integrally formed with the housing, and the two mounting ribs are respectively disposed on two sides of the bottom. The bottom of the housing 100 may not have the bottom plate 41a, and the bottom surface may be a hollow structure.

Referring to fig. 1 to 18, the shapes and structures of the base 400, the first end case 210 and the second end case 220, and their connection relationship with the outer case 100 or the middle case 300, respectively, will be described below. It should be noted that different bases 400, first end shells 210, and second end shells 220 can be combined with the above outer shell 100, respectively, to form different models and forms of water purifiers.

Base 400

The form of the base 400 can be various, and two examples are mainly described below:

the water purifier comprises a first base 400, and the bottom of the shell 100 is provided with a through hole 113; a supporting column 410 is disposed on a side of the first base 400 facing the outer shell 100, and the supporting column 410 passes through the through hole 324 to be connected with the middle shell 300. This scheme will be described in detail in the following embodiments, and will not be described again.

The water purifier comprises a second base 400, the second base 400 comprises a bottom plate 41a and flanges 41b arranged on two side edges of the bottom plate 41a, the two flanges 41b are arranged in a gradually expanding manner in the width direction of the base 400, and the two flanges 41b are respectively spliced with two side edges of the bottom of the shell 100. In this embodiment, the bottom plate 41a is a flat flange 41b extending along the length direction of the bottom plate 41 a. The flange 41b is in arc transition connection with the bottom plate 41a, and the second base 400 can be integrally formed in the production process. When the bottom of the housing 100 is vertical, the flange 41b is abutted thereto, so that the mounted base 400 is integrated with the housing 100. At this time, the base 400 not only has a portion of the bottom of the housing 100, but also has a portion of the sidewall of the entire housing, so that the integrity of the housing is enhanced, the splicing position moves upward, the influence of external low-position dust and water flow is avoided, and the stability and reliability of the housing are improved.

The features of the two bases 400, which may be combined with each other in some embodiments, are not distinguished from each other in the following description for the sake of simplifying the description, and are simply illustrated with the base 400

The purifier includes: the shell 100 is provided with a mounting cavity, and the bottom of the mounting cavity is provided with a through hole 113 penetrating through the side wall of the mounting cavity;

a middle shell 300, wherein the middle shell 300 is arranged in the mounting cavity;

a base 400, wherein the base 400 is arranged at the bottom of the outer side of the outer shell 100, and the base 400 and the middle shell 300 are connected through a support column 410 passing through the through hole 113.

Specifically, in the present embodiment, the middle shell 300 is disposed in the installation, and the supporting column 410 may be integrally formed with the middle shell 300, may also be integrally formed with the base 400, and may also be independent from the middle shell 300 and the base 400. After being installed, one end of the supporting column 410 is fixedly connected with the middle case 300, and the other end is fixedly connected with the base 400. Thus, the weight of the middle shell 300 and the components disposed on the middle shell 300 can be directly transmitted to the base 400 through the supporting posts 410 and then transmitted to the supporting surface from the base 400. Avoided a large amount of weight to come the transmission through the bottom of mesochite 300 to can not make the unsettled phenomenon of mesochite 300 appear because the shape of shell 100 bottom is special, reduced collision and friction between mesochite 300 and shell 100, be favorable to improving the stability of mesochite 300 installation, simultaneously, be favorable to reducing the produced noise of purifier. So set up, also make the shape of shell 100 bottom no longer by the restriction that middle shell 300 installed, shell 100 can carry out the design of multiform as required to satisfy different users' demand.

In some embodiments, in order to improve the space utilization of the housing 100, the supporting pillar 410 is fixedly connected to the base 400, and the supporting pillar 410 is fixedly connected to the middle shell 300 through the through hole 113 from the base 400. In this embodiment, the supporting column 410 is disposed on the base 400, and after the middle shell 300 is first mounted to the mounting cavity, the supporting column 410 is inserted into the middle shell 300 to be matched with the middle shell. Thus, when the middle shell 300 is installed, the installation cavity does not need to reserve a height for the supporting column 410, and the middle shell 300 can be very smoothly installed in the installation cavity, so that the space of the installation cavity is saved, the space utilization rate is improved, and the volume of the shell 100 is reduced; meanwhile, the supporting column 410 is inserted from outside to inside, and is more convenient and convenient to insert than from inside to outside, and the installation efficiency is improved.

In order to improve the connection strength between the base 400 and the middle shell 300, fastening columns are arranged on the middle shell 300 corresponding to the through holes 113, and the supporting columns 410 are fixedly connected with the fastening columns. The fixing connection between the supporting column 410 and the fastening column may be different, and may be a plug-in fit between the two, or may be a fastening connection between the supporting column 410 and the fastening column through a fastening member, such as a screw.

In order to further improve the reliability of the connection of the support column 410, the middle case 300 includes a mounting cylinder 310, a first end seat 320 disposed at one end of the mounting cylinder 310, and a second end seat 330 disposed at the other end of the mounting cylinder 310; a first supporting leg 321 is disposed at a position of the first end seat 320 close to the base 400, and a second supporting leg 332 is disposed at a position of the second end seat 330 close to the base 400; the fastening columns are respectively disposed at both ends of the mounting cylinder 310, and are respectively fixedly connected with the first supporting leg 321 and the second supporting leg 332.

In this embodiment, the number of the fastening posts is plural, taking four as an example, and correspondingly, the number of the supporting posts 410 may also be plural, taking four as an example. Through with fastening post and first supporting legs 321 or second supporting legs 332 fixed connection, increased the length direction's of fastening post connection area, improved the bearing capacity of fastening post, be favorable to improving the reliability of passing through the installation of fastening post. Meanwhile, the supporting points are increased by arranging the plurality of supporting columns 410 to be connected with the fastening columns, and stable installation of the middle shell 300 is facilitated. The specific structure of the first end seat 320 and the second end seat 330 is described in the following embodiments, and will not be described herein.

In some embodiments, the support column 410 is hollow inside to further reduce noise generated by operation of the filter element 350 and the middle housing 300. When the vibration generated by the middle shell 300 and the filter element 350 is transmitted to the supporting column 410, the supporting column 410 transmits the vibration to the hollow structure inside, so that the amount of the vibration transmitted to the base 400 can be greatly reduced, and the vibration reduction and the noise reduction of the water purifier are facilitated.

In some embodiments, in order to further improve the vibration and noise reduction effect, the side wall of the supporting column 410 is provided with a vibration reduction gap 411 communicated with the inside. When the vibration is transmitted to the supporting pillar 410, the vibration is not only transmitted to the hollow structure but also transmitted to the damping gap 411, and the side of the damping gap 411 vibrates a little, thereby converting the vibration into kinetic energy and heat energy to be consumed. Thereby further achieving the effects of vibration reduction and noise reduction.

In some embodiments, in order to further improve the vibration and noise reduction effect, a buffer mounting position 420 for mounting a buffer structure is provided at a position where the supporting column 410 is connected to the base 400. The mounting positions can be in various forms, such as buckles, clamping grooves, fastening holes and the like. The buffer structure may be a cushion pad, a buffer block, etc., such as a rubber pad or a foam pad. The buffer structure may be disposed between the support column 410 and the chassis, or disposed on a side of the chassis opposite to the support column 410, as long as the vibration of the support column 410 can be transmitted to the chassis, and the vibration can be absorbed or consumed.

In order to improve the vibration damping effect and the installation stability of the buffer structure, the installation position is provided with an installation space 421 for accommodating the buffer structure, and the installation space 421 is positioned right below the supporting column 410; the side wall of the mounting cavity is provided with a fastening hole for mounting a fastener. After the buffer structure is mounted in the mounting space 421, the buffer structure is fastened by the fastening member passing through the fastening hole. After the vibration is transmitted from the middle case 300, while being transmitted to the chassis, it is also transmitted to the buffer structure in the installation space 421, and the buffer structure absorbs and consumes the vibration.

In order to facilitate the installation of the base 400, improve the accuracy of the installation position of the base 400 and improve the installation stability of the base 400, the bottom of the casing 100 is provided with a positioning convex rib 114, the positioning convex rib 114 encloses a region for installing the base 400, and the base 400 is installed in the region; the bottom of the base 400 is flush with the side of the positioning rib 114 away from the housing 100. The side of the positioning rib 114 facing away from the housing 100 has a support plane, and the positioning rib 114 is enclosed to form a ring shape, and the support plane is arranged in a ring shape. The bottom surface of the base 400 is flush with the support plane. Through the arrangement of the positioning convex rib 114, the mounting position of the base 400 is very accurate, so that the supporting column 410 on the base 400 can be very accurately connected with the middle shell 300, and the mounting efficiency is improved, and meanwhile, the mounting precision and the mounting stability are also improved.

In some embodiments, in order to further reduce vibration and noise and improve the strength of the base 400, the side of the base 400 facing the casing 100 has a hollow structure. Through hollow out construction's setting, not only can improve base 400's intensity, simultaneously, can also consume more vibrations to reach the effect of making an uproar of falling the damping.

In order to improve the connection stability of the base 400 and the shell 100, the middle part of the base 400 is provided with a fastening buckle, the shell 100 is provided with a buckling position, and the fastening buckle is buckled with the buckling position. Detain the position and set up the intermediate position in the shell 100 bottom, the fastening is detained and is distributed in the both sides of base 400, and the distribution is detained and is gone into corresponding knot position, and after base 400 and shell 100 installation, the middle part of avoiding base 400 has too big vibration compared in shell 100.

First end housing 210

The first end housing 210 may have various forms, which will be briefly described below, and the first end housing 210 may be a front housing (horizontal type) or a top housing (vertical type), and includes a first front housing and an eject switch, which is disposed between the first front housing and the outer housing 100 or between the first front housing and the middle housing 300. A self-locking switch 215 is arranged on the middle shell 300, the self-locking switch 215 is provided with a lock cylinder, and a buckling position is arranged on the self-locking switch 215; the front shell is provided with a pressing key 212, and a second elastic element 770 for resetting the pressing key 212 is arranged between the middle shell 300 or the outer shell 100 and the pressing key 212; the pressing key 212 is provided with a fixing buckle; when the pressing key 212 is pressed once, the pressing key 212 drives the second elastic member 770 to elastically deform, and the pressing key 212 drives the fixing buckle to be buckled on the buckling position, so that the pressing key 212 drives the front shell to be attached to the middle shell 300; when the pressing key 212 is pressed for the second time, the lock cylinder ejects the fixing buckle from the buckle position, so that the pressing key 212 drives the front shell to be separated from the middle shell 300. A fixing hole 211 is formed in an end surface of the front shell facing away from the middle shell 300 (taking the first end seat 320 of the middle shell 300 as an example), and the pressing key 212 and the second elastic member 770 are embedded in the fixing hole 211; when the pressing key 212 is pressed, the fixing button extends out of the front shell and moves towards the middle shell 300. The fixing hole 211 is a through hole 113, and a pressing rear shell 214 is arranged at one end of the fixing hole 211 close to the middle shell 300; the pressing rear shell 214 is provided with a through hole 113 corresponding to the position of the fixing buckle; the second elastic member 770 is disposed between the pressing rear case 214 and the pressing key 212.

The end shell comprises a second front shell, the middle shell 300 comprises a first end seat 320 arranged at the opening 311 end of the outer shell 100, and a first display plate 610 is arranged on one side of the first end seat 320 facing the second front shell; the second front shell is made of a light-transmitting material. In this embodiment, the second front shell is made of a light-transmitting material, so that the display content of the first display panel 610 can be seen through the second front shell, and thus, the second front shell is fully utilized, and when a user can visually see the working state of the water purifier, the additional protection structure for the first display panel 610 is reduced, and the protection and sealing structure for the first display panel 610 is simplified.

The second end cap 220 is provided with a second end cap,

the second end shell 220 may be a rear shell (horizontal type), or a chassis or a bottom shell (vertical type), and the second end shell 220 is described as the rear shell:

the second end shell 220 is a plate-shaped structure, and the connection manner of the second end shell and the outer shell 100 is various, such as a snap connection, a screw connection, an adhesive, a magnetic absorption, and the like.

For a complete embodiment, the water purifier comprises:

the shell 100 is provided with a mounting cavity, two ends of the shell 100 are provided with a front mounting port 111 and a rear mounting port 112 which are communicated with the mounting cavity, and a fastening structure is arranged on the inner side wall of the mounting cavity;

the middle shell 300 is installed in the installation cavity, one end of the middle shell 300 is provided with an installation structure matched with the fastening structure, and the fastening structure and the installation structure are fixedly connected at a position close to the rear installation opening 112;

and a rear case coupled with the outer case 100 or the middle case 300 to cover the rear mounting hole 112.

In particular, in this embodiment, the connection form of the fastening structure and the mounting structure may be many, such as by means of a snap, a slot, a screw, an adhesive, and the like. Through setting up the inside wall at the installation cavity with fastening structure for mounting structure and fastening structure's cooperation position also is located the installation cavity, and so, effectual connection structure hides to the installation cavity in, except more pleasing to the eye, more importantly, gets up mounting structure and fastening structure's cooperation protection, avoids receiving the influence of external dust, water droplet, thereby improves the stability of mesochite 300 installation.

In some embodiments, in order to improve the accuracy of the installation position of the middle case 300 and improve the installation efficiency of the middle case 300, the fastening structure includes a fastening seat; the middle shell 300 comprises an installation cylinder 310 and a second end seat 330 arranged at the end, far away from the opening 311, of the installation cylinder 310, a clamping position 331 is arranged on the second end seat 330, and the fixed seat 120 is clamped in the clamping position 331. Screens 331 has the bayonet socket, fixing base 120 has location curb plate and location base plate 121, two location curb plate vertically set up the same face at location base plate 121, the both sides wall laminating of location curb plate and bayonet socket is in order to restrict the degree of freedom of mesochite 300 up-and-down direction, the bottom laminating of location base plate 121 and bayonet socket is in order to inject mesochite 300 length direction's degree of freedom, so, very accurate orientation and length direction position are fixed a position about mesochite 300, the precision of mesochite 300 installation has been improved by a wide margin. Due to the matching of the clamping position 331 and the fixing seat 120, the matching of the middle shell 300 and the outer shell 100 is conveniently and rapidly realized, which is beneficial to improving the installation efficiency.

In order to improve the connection stability, the fastening seat has a positioning substrate 121, a connecting column is arranged in the clamping portion 331, and the free end of the connecting column is fixedly attached to the positioning substrate 121. The terminal surface of the free end of spliced pole is the plane, and when the bottom laminating of positioning substrate 121 and bayonet socket, the terminal surface of spliced pole and the laminating of the face bottom of positioning substrate 121, so, increased positioning substrate 121 and second end seat 330's area of contact, improved the stability that second end seat 330 (mesochite 300) and fixing base 120 are connected. The connection mode of the connection column and the positioning substrate 121 is various, such as through a buckle, a screw, and gluing. Taking the following scheme as an example, a first connection hole is formed on the connection column, a second connection hole is formed on the positioning substrate 121, and the connection column and the positioning substrate 121 are connected by a fastener through the first connection hole and the second connection hole. The first connecting hole and the second connecting hole can be ordinary through holes 113 or threaded holes, and the fastener can be a pin or a screw. Through multiple location and spacing of fastening seat to mesochite 300, effectual improvement mesochite 300's installation accuracy and the stability after the installation.

In order to reduce the rotation of the middle shell 300 and improve the stability of the installation of the middle shell 300, the number of the fixing seats 120 is multiple, and the fixing seats are respectively arranged at the middle upper part and the middle lower part of the installation cavity; the number of the blocking positions 331 is multiple, and the blocking positions are respectively arranged at the middle upper part and the middle lower part of the second end seat 330; the plurality of fixing seats 120 and the detents 331 are respectively engaged to provide a gap between the middle case 300 and the bottom of the outer case 100. By arranging a plurality of fixing seats 120 and clamping positions 331 to cooperate, fixing points of the middle shell 300 are increased, and therefore the stability and reliability of the middle shell 300 installed in the installation cavity are improved. The clamping positions 331 are distributed in the middle, so that the weight of the middle shell 300 moves downwards as much as possible, and the stability of the water purifier is improved. Set up the clearance between the bottom through mesochite 300 and shell 100 for in the purifier working process, mesochite 300 can not collide and rub with the bottom of shell 100, avoids appearing because the diapire of installation cavity and the phenomenon that the mesochite 300 bottom mismatched and produced the noise, thereby has reduced the restriction of mesochite 300 to shell 100 bottom shape, is favorable to the design and the manufacturing of shell 100.

It will be appreciated that in some embodiments, to further improve the reliability of the installation of the middle shell 300, the middle shell 300 includes:

the mounting barrel 310 is provided with a containing space, and one end of the mounting barrel 310 is provided with an opening 311 communicated with the containing space;

a first end socket 320, wherein the first end socket 320 is arranged at one end of the installation cylinder 310, which is provided with an opening 311;

a second end seat 330, wherein the second end seat 330 is arranged at the other end of the mounting cylinder 310;

the first end seat 320 has a first supporting leg 321, the second end seat 330 has a second supporting leg 332, and a pad is disposed at the bottom of the inner side of the mounting cavity to support the first supporting leg 321 and the second supporting leg 332.

In this embodiment, the form of the foot pad may be many, and the main purpose of the foot pad is to provide a support point for the middle shell 300, so as to reduce the contact area between the middle shell 300 and the bottom of the installation cavity, and also provide support for the middle shell 300. The foot rest comprises a support platform 132, and the top of the support platform 132 is adapted to the shape of the bottom of the first support leg 321 and the second support leg 332, which are both planar. There is a buffer gap between the part of the supporting platform 132 and the bottom wall of the casing 100, so that the supporting platform 132 can be elastically deformed, when the middle shell 300 is collided or vibrated, the supporting feet transmit the vibration to the supporting platform 132, the supporting platform 132 buffers and consumes the vibration, and when providing the support for the middle shell 300, the vibration and noise can be effectively reduced.

In order to improve the connection stability of the rear shell and the shell 100, the rear shell is hidden inside the shell 100 in connection with the shell 100, a side buckling position is arranged at a position close to the rear port in the installation cavity, a side buckle is arranged on the side edge of the side surface of the rear shell facing the shell 100, and the side buckle is buckled with the side buckling position. Through the inside with the side knot position setting at the installation cavity for the hookup location of backshell and shell 100 hides in the installation cavity, avoids hookup location to receive external environment's influence.

In other embodiments, in order to improve the convenience of water outlet and wire outlet of the water purifier and reasonably utilize space, the bottom of the rear shell is provided with a wire passing notch 223, two sides of the wire passing notch 223 are provided with first end buckles 224, the bottom in the installation cavity is provided with 224 positions of the first end buckles, and the first end buckles 224 are buckled with the 224 positions of the first end buckles; and/or a water outlet notch 221 is formed in the top of the rear shell, second end buckles 222 are arranged on two sides of the water outlet notch 221, a second end buckle 222 is arranged on the top in the installation cavity, and the second end buckles 222 are buckled with the second end buckles 222.

In this embodiment, through the setting of crossing line breach 223 for the line of walking of purifier can pass from the bottom of backshell, neither worry about being pushed down by the drain pan, can not influence the pleasing to the eye of backshell yet. Meanwhile, in order to ensure the connection reliability of the wire passing notch 223 and avoid the separation of the rear shell caused by the large pulling of the wire, the matching of the first end buckle 224 and the first end buckle 224 is specially designed, and the matching of the first end buckle 224 and the first end buckle 224 is arranged on the two sides of the wire passing notch 223, so that the connection strength of the wire passing notch 223 and the rear shell and the shell 100 is greatly improved.

Through the arrangement of the water outlet notch 221, the water outlet connector 240 of the water purifier can smoothly extend out of the installation cavity, and the space where the rear shell is located is fully utilized. Meanwhile, in order to ensure the connection reliability of the position of the water outlet notch 221 and prevent the water outlet joint 240 from driving the rear shell to separate, the matching between the second end fastener 222 and the second end fastener 222 is specially designed, and the matching between the second end fastener 222 and the second end fastener 222 is arranged on both sides of the water outlet notch 221, so that the connection strength of the rear shell and the outer shell 100 at the water outlet notch 221 is greatly improved.

Referring to fig. 19 to 48, the components of the center case 300 assembly (center case 300, booster pump 250, water passage plate 500, strut, etc.), and the positional relationship and connection relationship between the components will be mainly described below

The middle shell 300, see fig. 19-22:

a middle shell 300 for a water purifier, comprising:

a first end holder 320, the first end holder 320 being disposed at an end of the mounting tube 310 where the opening 311 is disposed;

one side of the mounting cylinder 310 has a first mounting station 312;

the first end mount 320 and/or the second end mount 330 has a second mounting station thereon.

Specifically, in the present embodiment, the mounting cylinder 310 is cylindrical, and the shape of the cross section of the mounting cylinder is matched with the shape of the filter element 350. The single filter element 350 water purifier comprises a filter element 350, and the cross section of the installation cylinder 310 is arranged in a circular shape, so that the single filter element 350 can be reliably installed in the accommodating space. The first end base 320 is in a box shape with an open top, and is provided with a first mounting hole, one end of the mounting cylinder 310 with an opening 311 is mounted in the first mounting hole, and the first mounting hole is communicated with the opening 311. The filter cartridge 350 can enter and exit the mounting cylinder 310 through the first mounting hole and the opening 311. The side of the first end base 320 facing away from the second end base 330 is adjacent to the first mounting hole, and has a first display mounting position 322 for receiving the first display panel 610. A second mounting hole is formed in the second end seat 330, and one end of the mounting tube 310 is mounted in the mounting hole. The first end seat 320 and the second end seat 330 may be detachably connected to the mounting cylinder 310, and in some embodiments, the first end seat 320 and the second end seat 330 may be integrally formed to simplify the mounting process of the middle shell 300. The three integrated into one piece sets up, can also improve position accuracy and joint strength between the three for install the position relation between the spare part on first end holder 320, second end holder 330 and installation section of thick bamboo 310 very accurate, be favorable to improving the assembly precision between each part, be favorable to improving the wholeness and the compact structure nature of mesochite 300 subassembly.

The mounting cylinder 310 has a mounting side 317, the mounting side 317 is a circumferential side of the mounting cylinder 310, and the first mounting station 312 may be directly formed on the mounting cylinder 310, or may be formed on the mounting side 317 of the first end base 320 and the second end base 330 (the first mounting station 312 is formed on the mounting side 317 of the mounting cylinder 310, or is formed on a portion of the first end base 320 and the second end base 330 on the mounting cylinder 310), for example, to be directly formed on the mounting cylinder 310 and connected to the first end base 320 and the second end base 330. When the purifier is horizontal, use first installation vacancy, when the purifier is vertical, use the second installation station. The second mounting location is formed on the second end seat 330, for example. In the installation process of the water purifier, the first installation station 312 or the second installation station is fixedly connected with the base 400, so that the base 400 supports the shell 300. The length direction of the mounting cylinder 310 corresponds to that of the housing 100; when the water purifier is horizontal, the mounting opening is located at one end in the horizontal direction, and when the water purifier is vertical, the mounting opening is located at one end in the vertical direction.

In this embodiment, the first installation station 312 corresponding to the horizontal model is disposed on the installation side 317 of the middle shell 300, and the second installation station corresponding to the vertical model is disposed on the first end socket 320 or the second end socket 330, so that the middle shell 300 can be applied to both the horizontal model and the vertical model, the compatibility of the middle shell 300 is improved, the cost for opening the middle shell 300 is reduced, the cost for machine model is greatly reduced, and the development cost of the water purifier is reduced.

In some embodiments, to improve the ease of use of the first mounting station 312, the first end mount 320 has a first support leg 321 on the mounting side 317, the second end mount 330 has a second support leg 332 on the mounting side 317, and the first support leg 321 and the second support leg 332 together support the mounting cylinder 310. Through the setting of first supporting legs 321 and second supporting legs 332, the butt area of mesochite 300 and shell 100 bottom has been reduced by a wide margin, has reduced by a wide margin because the mesochite 300 bottom does not match the influence that produces with installation cavity diapire shape. The first support leg 321 and the second support leg 332 may be directly supported on the bottom wall of the mounting cavity, or a foot pad structure may be provided at the bottom of the mounting cavity. Through the arrangement of the first supporting leg 321 and the second supporting leg 332, the first mounting station 312 does not need extra supporting force for the middle shell 300 in the mounting process, so that the convenience of mounting the middle shell 300 through the first mounting station 312 is greatly improved. The first supporting leg 321 and/or the second supporting leg 332 have an openwork structure. In this embodiment, use all to set up hollow out construction at first supporting legs 321 and second supporting legs 332 as an example, when vibration transmission to first supporting legs 321 and second supporting legs 332, the energy of vibration consumes under hollow out construction's effect, through hollow out construction's setting, by a wide margin the transmission of vibration has been reduced, reaches the effect of making an uproar that reduces the damping.

In some embodiments, to improve the stability and reliability of the first mounting station 312, the first mounting station 312 includes a plurality of fastening columns distributed on the mounting side 317 near the first end seat 320 and the second end seat 330, and the plurality of fastening columns are respectively connected to the first supporting leg 321 and the second supporting leg 332. Thus, the bearing capacity of the first mounting station 312 is greatly increased, which is beneficial to improving the reliability of the cooperation between the first mounting station 312 and the base 400.

In some embodiments, to simplify the structure of the whole machine, the second mounting station is formed on the supporting side of the second end seat 330 facing away from the first end seat 320. Thus, in the vertical water purifier, the second end seat 330 is connected to the base 400 to support the installation cylinder 310, and the filter element 350 can enter and exit the installation cylinder 310 from one end of the first end seat 320. The support side has hollow out construction, so sets up, and when vibration transmission to second installation station, the vibration is consumed by hollow out construction, so is favorable to the damping of purifier to fall and makes an uproar.

In some embodiments, in order to increase the support stability of the second installation station, the support side has a support plane, and the hollow of the cutout extends through the support plane. Run through the supporting plane through the hole with hollow out construction for the supporting plane's area is less by a wide margin, so is favorable to reducing because the influence of the shape mismatch between supporting plane and the base 400 holding surface, is favorable to improving the utilization ratio in space and the effect of making an uproar falls in the damping, is favorable to improving the installation accuracy.

In order to further improve the installation stability of the second installation position, a plurality of fastening holes are formed on the supporting side, and the fastening holes are uniformly distributed on the supporting side. A support column 410 is arranged on the base 400 corresponding to the fastening hole, and the support column 410 is fixedly connected with the fastening hole through a fastening member such as a screw.

In some embodiments, in order to improve the stability of the wiring of the water purifier, two second support legs 332 are disposed on the second end plate, and a wire pressing structure 333 is disposed between the two second support legs 332. In this embodiment, the wire pressing structure 333 is disposed between the two second supporting legs 332, so that the wire is effectively fixed before leaving the installation cavity, so as to bear the external pulling load, and avoid the external pulling to affect the connection of the wire. Meanwhile, the space between the two second supporting legs 332 is fully and reasonably utilized, the utilization rate of the space is favorably improved, and the water purifier is compact in structure.

For further reasonable space utilization, the wire pressing structure 333 includes: the base is fixedly connected with the second end plate, and a first wire pressing groove and a second wire pressing groove which are mutually independent are formed on the base; the line ball board, the line ball board with the base can be dismantled and be connected to open or seal first line ball groove and second line ball groove. In this embodiment, the wire pressing structure 333 has at least two mutually independent first wire pressing grooves and second wire pressing grooves, so that the wire pressing structure 333 can simultaneously limit two different types of wires, such as a signal wire and a power line, and it is effectively ensured that the two types of wires do not affect each other, which is beneficial to improving the universality of the wire pressing structure 333 and the orderliness of the wires. The bottom of installation cavity corresponds line ball structure 333 and is provided with support 131 for the wire is followed line ball structure 333 and is come out the back, through the top of support 131, extends shell 100 again, so, is favorable to improving the stability of wire installation. In some embodiments, the support 131 may also be in the form of a limiting hole, and in this case, the lead needs to pass through the limiting hole of the support 131 and then extend out of the housing 100.

Display panel mounting, referring to fig. 23 to 28, it should be noted that the display panel may be a single display panel or may be an integrated panel of a display and a circuit

For compatibility of the middle case 300, the display panel is installed at different installation positions for the horizontal model and the vertical model.

The first end base 320 is provided with a first display mounting position 322 for mounting a display panel; the mounting cylinder 310 has a second display mounting location 313 on one side for mounting a display panel. In this embodiment, a first display mounting position 322 is formed at a position of the first end socket 320 adjacent to the first mounting hole, and when the model is a horizontal model, the display panel is mounted at the first display mounting position 322 and arranged along the radial direction of the mounting cylinder 310. When the model is a vertical model, the display panel is disposed at one side of the mounting cylinder 310 in the height direction of the mounting cylinder 310. The first display installation position 322 is located on one side of the first end seat 320, which faces away from the other end of the installation cylinder 310; the second display mounting position 313 is arranged along the axial direction of the mounting cylinder 310.

The second display mounting position 313 is exemplified as being located on the mounting side 317 of the mounting cylinder 310, i.e., on the same side as the first mounting station 312 of the middle case 300. Specifically, the first mounting station 312 and the second display mounting location 313 are located on the same side of the mounting cylinder 310; and/or the second mounting station and the first display mounting station 322 are respectively located at two ends of the mounting cylinder 310. So configured, in the horizontal model, the first mounting station 312 of the middle shell 300 (the mounting side 317 of the middle shell 300) is used for connecting with the base 400, and the first display mounting location 322 (on the first end socket 320) is used for mounting the display panel; in the vertical model, the second mounting station (on the second end mount 330) is used for connecting with the base 400, and the second display mounting station 313 (the mounting side 317 of the middle case 300) is used for mounting the display panel. That is, the mounting side 317 needs to be used regardless of whether it is vertical or horizontal, and the utilization rate of the mounting side 317 is sufficiently improved. And set up first demonstration installation position 322 and second installation station respectively at the both ends of installation section of thick bamboo 310, make full use of the space at installation section of thick bamboo 310 both ends. In the horizontal type machine, the mounting side 317 is positioned right below the middle case 300, so that the space is fully utilized and the compactness of the structure is improved.

The first display mounting position 322 (horizontal type) and the second display mounting position 313 (vertical type) will be described below

With respect to the first display mounting location 322, the first display mounting location 322 includes a mounting cavity formed on the first end mount 320; the middle case 300 assembly comprises a first display plate 610, wherein the first display plate 610 is installed in the installation cavity; the display panel is shown facing one end of the mounting cylinder 310 when the middle housing 300 assembly is horizontally disposed. Through the arrangement of the installation cavity, the first display panel 610 is stably and reliably installed, and the first display panel 610 is protected from being invaded by the outside.

With respect to the second display mounting location 313, the middle case 300 assembly further includes a second display plate 620 and a fixing box 630, the second display plate 620 is mounted at the second display mounting location 313, and the fixing box 630 is disposed outside the display plate to mount the second display plate 620 to the mounting cylinder 310. The second display panel 620 may be mounted in various ways, and may be directly connected to the second display mounting portion 313, or may be fixed to the mounting cylinder 310 by a fixing case 630. The fixing box 630 may be connected to the mounting tube 310 by various methods, such as screw connection, connection through the opening 311, and the like.

In some embodiments, in order to ensure the operational stability of the second display panel 620, when the middle case 300 assembly is disposed upright, a water blocking rib 636 is formed on the top of the fixing case 630; and/or, a flow guide rib 637 is formed on a side of the fixing case 630 facing away from the side of the second display plate 620. In this embodiment, the water retaining rib 636 is formed on the top of the fixing box 630 and the flow guiding rib 637 is formed on the side edge at the same time. By the arrangement of the water blocking rib 636, when water flows to the top of the fixing box 630, the water blocking rib 636 blocks the water flow to completely isolate the water flow from the second display plate 620; when water flows to the side of the fixing box 630, the flow guiding rib 637 guides the water away to prevent the water from affecting the second display board 620; so, through the setting of manger plate muscle 636 and drainage muscle 637, abundant assurance second display panel 620 does not receive the influence of rivers, has improved job stabilization nature.

In order to further improve the water repellency, the fixing box 630 is provided with a display lamp hole 631 and/or a key hole 633; a first annular rib 632 is convexly formed on the side surface of the fixing box 630 facing away from the second display plate 620 corresponding to the display lamp hole 631; and/or, a second annular rib 634 is convexly formed corresponding to the key hole 633. Through the arrangement of the first annular rib 632, the water flow is prevented from flowing into the fixing box 630 from the position of the display lamp hole 631; by the provision of the second annular rib 634, water flow from the position of the key hole 633 into the fixing case 630 is prevented.

In order to improve the installation convenience, installation guide ribs 635 are arranged at any one or more of the three positions among the display lamp holes 631, the key holes 633 and the display lamp holes 631 and the key holes 633. When installation shell 100, through the setting of direction muscle 635, can guide mesochite 300 gradual entering into the installation cavity to avoid the impact to button and display lamp, when improving the smooth and easy nature of mesochite 300 unit mount, effectual button and display lamp of having protected.

In order to improve the stability of the second display plate 620 and the fixing case 630, a plurality of support ribs 638 are provided along the side edges of the fixing case 630 facing the second display plate 620. The support ribs 638 extend in the longitudinal direction of the cassette 630, and a plurality of support ribs 638 are arranged in the longitudinal direction of the cassette 630. The support rib 638 is provided with a positioning recess which compresses the edge of the second display plate 620, and the support rib 638 is arranged to facilitate reliable installation of the second display plate 620.

In order to improve the installation stability, convenience and accuracy of the fixing box 630, a plurality of fixing buckles are arranged on one side of the fixing box 630 facing the installation cylinder 310; and/or, one end of the fixing box 630 is provided with a positioning column 639 to be matched with the positioning hole on the second display installation site 313. The fixing buttons are respectively disposed at two ends of the fixing box 630, and one end is disposed at two ends, for example.

In order to further protect the second display panel 620, a guide rib 314 is disposed near the opening 311 and the second display mounting location 313, and the guide rib 314 extends from the position near the opening 311 to a direction away from the second display mounting location 313. When the display panel is vertical, the flow guiding ribs 314 are arranged from top to bottom and incline from front to back, and guide water flow to a position far away from the display panel at the rear side.

In some embodiments, in order to better protect the second display panel 620, a first wire clasp 315 is disposed on the middle case 300 at a position close to the second display mounting position 313, and a second wire clasp 316 is disposed at a position far from the first wire clasp 315 along the circumferential direction of the mounting cylinder 310; the second wire clasp 316 is lower than the first wire clasp 315 when the middle shell 300 is vertically disposed. Thus, when water flows along the wires to the second display panel 620, the water cannot flow along the wires to the position of the first wire 315 because the second wire 316 is lower than the first wire 315, and thus cannot flow onto the second display panel 620.

Mounting of the booster pump 250, see fig. 29 to 31:

the booster pump 250 is arranged in a long cylinder shape, is mounted on the middle shell 300, and is arranged on one side of the mounting cylinder 310; the booster pump 250 is disposed in parallel with the mounting cylinder 310. The positions of the parallel arrangement can be many, such as front and back, or left and right parallel arrangement, and when the water purifier is horizontal, the booster pump 250 is positioned at the top of the installation sleeve as an example.

In this embodiment, the booster pump 250 is disposed in parallel with the mounting cylinder 310 (in the vertical mode, the booster pump 250 and the mounting cylinder 310 are both disposed vertically, and in the horizontal mode, the booster pump 250 and the mounting cylinder 310 are disposed vertically, and in the front and back mode, or in the left and right mode), so that the space of the mounting cavity is greatly saved, the booster pump 250 and the mounting cylinder 310 are mounted in a centralized manner, and the stability is improved. Through the installation with booster pump 250 is direct on installation section of thick bamboo 310 for the distance between booster pump 250 and water route board 500 and the filter core 350 is closer, makes the connection between the three compacter, in the make full use of space, has shortened the use of connecting water pipe 252 by a wide margin, is favorable to improving booster pump 250's job stabilization nature.

In addition, in the single-filter-element 350 water purifier, because various purification functions are integrated on one filter element 350, the weight of the filter element 350 is very large, and particularly in the working process, the booster pump 250 is arranged above the installation cylinder 310, so that the gravity center of the whole water purifier moves downwards, and the stability of the whole water purifier is improved.

In some embodiments, in order to improve the regularity of the water pipe 252 and improve the stability of the operation of the water purifier, the pressurizing pump 250 is communicated with the water path plate 500 of the water purifier through the plastic water pipe 252; a limiting plate 318 is disposed on the mounting cylinder 310 to limit the direction of the water pipe 252. The water pipe 252 is exemplified by a flexible plastic water pipe 252, and the plastic water pipe 252 is connected to the pressurizing pump 250, the water path plate 500, the filter element 350, and the water outlet connector 240 of the water purifier. The single piece of the stopper may guide and limit the extending direction of the water pipe 252, and in some embodiments, a plurality of pieces may be provided at the same time.

The number of the limiting plates 318 is two, for example, the limiting plates 318 extend along the length direction of the mounting cylinder 310, and a mounting groove for mounting the plastic water pipe 252 is formed between the two limiting plates 318. So, water pipe 252 can extend along the direction of mounting groove, and can not scatter in whole installation intracavity, is favorable to improving the stability in whole water route. In some embodiments, when it is required to separate the plurality of types of water pipes 252, more limiting plates 318 may be provided to form different mounting grooves.

In order to improve the mounting stability of the booster pump 250 and reduce vibration and noise, a bracket is arranged on the mounting cylinder 310, and the booster pump 250 is mounted on the bracket; a gap is left between the booster pump 250 and the installation cylinder 310. The booster pump 250 is supported by the bracket, so that the booster pump 250 is not in contact with the mounting cylinder 310 or the contact area is small, the appearance of the booster pump 250 and the mounting cylinder 310 does not influence the mounting of each other, and the mounting of the booster pump 250 can be effectively supported. By leaving the gap, the vibration generated by the booster pump 250 is not directly transmitted to the mounting tube 310, but is transmitted to the bracket first and then transmitted by the bracket. The vibration generated by the booster pump 250 may be minimized by providing a vibration damping member during the transmission to the bracket and the bracket.

In order to improve the mounting stability of the booster pump 250, the bracket includes support legs 319, and a plurality of support legs 319 are arranged in two parallel rows along the length direction of the mounting cylinder 310; the bottom of the booster pump 250 is provided with a mounting leg 251 corresponding to the support leg 319, and the mounting leg 251 is connected with the support leg 319. By arranging the plurality of support legs 319 in two rows, the number of support points of the booster pump 250 is increased, so that the installation of the booster pump 250 is more stable. A cushion may be provided between the mounting legs 251 and the legs 319 to reduce the vibration transmitted by the booster pump 250.

In some embodiments, to further improve the installation stability of the booster pump 250, the bracket further includes a connection plate 31a, and the connection plate 31a connects the legs 319 in the same row. The connection of the legs 319 in the same column is more stable and reliable by the arrangement of the connecting plate 31 a.

In some embodiments, in order to improve the installation convenience and stability of the booster pump 250, a positioning protrusion 31b is provided on the supporting leg 319, and the positioning protrusion 31b is located on one side of the supporting leg 319 close to the radially adjacent supporting leg 319. The supporting legs 319 in the same row are arranged along the length direction of the mounting cylinder 310, two supporting legs 319 arranged along the radial direction of the mounting cylinder 310 are respectively located at two sides of the mounting cylinder 310, and the supporting legs 319 are provided with positioning protrusions 31b near the middle of the mounting cylinder 310. By providing the positioning projection 31b at a side near the middle of the mounting cylinder 310, the mounting leg 251 provided below the booster pump 250 is restricted, so that the degree of freedom of movement of the booster pump 250 in the radial direction thereof is restricted. Thereby contributing to the improvement of the mounting accuracy of the booster pump 250 and the stability after the mounting. In order to better match the positioning projection 31b with the mounting leg 251, the positioning projection 31b is formed with a positioning surface conforming to the shape of the mounting leg 251.

In some embodiments, in order to improve the accuracy and convenience of the limitation of the supporting leg 319 to the mounting leg 251, a plurality of positioning protrusions 31b on the same supporting leg 319 enclose a mounting space, and an outer side wall of the mounting leg 251 abuts against a side wall of the mounting space. The plurality of positioning protrusions 31b are arranged along an arc line according to the shape of the mounting leg 251 to form a semi-open mounting space, and the mounting leg 251 can conveniently enter the mounting space for positioning during the matching process of the mounting leg 251.

In some embodiments, the booster pump 250 is disposed in parallel with the mounting cylinder 310, and an axis of the booster pump 250 and an axis of the mounting cylinder 310 are located in the same vertical plane. Thus, the booster pump 250 is positioned right above the mounting cylinder 310, so that the weight of the booster pump 250 is completely pressed on the mounting cylinder 310, and thus, the weight of the middle shell 300 assembly is concentrated, and the installation inertia of the middle shell 300 assembly is very good and stable.

The structure of the water passage plate 500, and the installation of the water passage plate 500 with the middle case 300, refer to fig. 39 to 44:

a water purifier, comprising: a middle case 300, wherein the middle case 300 comprises a mounting cylinder 310 for mounting the filter element 350; a booster pump 250 provided at one side of the installation cylinder 310; the water channel plate 500, the water channel plate 500 with the booster pump 250 set up in the same side of the installation section of thick bamboo 310.

Specifically, in this embodiment, through setting up booster pump 250 and water route board 500 in the same one side of mesochite 300 for the distance between booster pump 250 and the water route board 500 shortens by a wide margin, connects the water pipe 252 of the two and can shorten, has improved the compactness of structure, has also reduced the use of water pipe 252 simultaneously, is favorable to improving the stability in water route. In some embodiments, the waterway plate 500 is disposed near the opening 311 of the installation cylinder 310, that is, the waterway plate 500 is disposed near the filter element 350, so that the positions of the filter element 350, the waterway plate 500 and the booster pump 250 are all very close to each other, and thus, the waterway of the water purifier is greatly simplified, the stability of the operation of the water purifier is effectively improved, and meanwhile, the compactness and the rationality of the structure of the water purifier are improved. It should be noted that the drainage in this embodiment means that the waterway interfaces 511 are disposed next to each other, and the adjacent waterway interfaces 511 share a common sidewall.

In some embodiments, to further simplify the structure of the water pipe 252, the water passage plate 500 has at least three water passages 511 adjacent to the opening 311 for connecting with the pipe connector 351 of the filter element 350. Waterway interfaces 511 may be in the form of connecting tubes 510, and waterway interfaces 511 may be arranged in many ways, such as in a straight line or an arc. Through setting up the waterway interface 511 of antithetical couplet row, the width of having reduced waterway board 500 by a wide margin, compact structure, also very be convenient for with the butt joint of filter core 350.

In some embodiments, the water circuit board 500 has five rows of waterway connectors 511, which are a wastewater outlet, a primary filtering outlet, a pure water outlet, a raw water inlet, and a reverse osmosis inlet. Five water route interfaces 511 connect with five water pipe 252 of filter core 350 respectively and peg graft, so set up, the water route structure has been simplified by a wide margin for the cooperation of filter core 350 and water route board 500 is very compact.

In order to prevent the waterway ports 511 from being deformed, a fabrication hole 512 for preventing the waterway ports 511 from being deformed is formed between the adjacent waterway ports 511. The fabrication holes 512 are located on the sidewalls of two adjacent waterway ports 511, and extend along the hole depth direction of the waterway ports 511.

In some embodiments, in order to improve the compactness of the water circuit board 500 and the reasonableness of the pipeline arrangement, one end of the water circuit board 500 away from the opening 311 is provided with three waterway interfaces 511 of the drainage, which are a raw water outlet, a pure water outlet and a waste water outlet. The three waterway connectors 511 are respectively communicated with the water outlet connector 240 near the rear shell through water pipes 252. The waterway interfaces 511 at the two ends of the waterway plate 500 are arranged in parallel and in opposite directions. Namely, the five water path ports 511 near the end of the opening 311 and the three water path ports 511 near the booster pump 250 are arranged in parallel, and the directions of the openings 311 of the water path ports 511 are completely opposite. The circuit board 500 has a plurality of circuit ports 511 for connecting circuit devices such as a solenoid valve 880, and the circuit ports 511 are perpendicular to the circuit ports 511 of the triple row and the quintuple row. Therefore, on the premise of ensuring the functions of the water circuit board 500, the space is fully and reasonably utilized.

The circuit board 500 includes a circuit board body 520, and an extension arm 530 extending outwardly from the circuit board body 520; the pressure lever of the water purifier is rotatably connected with one end of the extension arm 530 far away from the water circuit board body 520. The number of the extension arms 530 is two, two extension arms 530 are arranged in parallel at intervals, and the waterway interfaces 511 of the plurality of rows are located between the two extension arms 530. Further, the extension arms 530 and the plurality of waterway ports 511 are aligned in a line along the width direction of the waterway plate 500. Thus, the waterway connector 511 and the extension arm 530 are arranged on the same row, and the tube connector 351 of the filter element 350 and the pivoting position (pivoting shaft) of the pressure rod are also arranged on the same row. Which facilitates stability of the installation of the water board 500 and reduces the force required to pry up the filter element 350.

In order to improve stability and fully utilize space, when the water purifier is in a horizontal type, the water path plate 500 and the booster pump 250 are positioned at the top of the installation cylinder 310 and at the side opposite to the installation side 317 of the installation cylinder 310. By placing the water circuit board 500 and the booster pump 250 on top of the mounting cylinder 310, it is advantageous to move the center of gravity downward (the single filter element 350 is heavy), thereby improving stability.

In order to improve the stability of the connection between the water circuit board 500 and the mounting cylinder 310, the water circuit board 500 is arranged parallel to the mounting cylinder 310, a fastening lug is arranged on the water circuit board 500, a fixing column is arranged on the sleeve, and the fastening lug is connected with the fixing column, or the fastening lug is connected with the fixing column through a fastening piece. The number of the fastening lugs may be plural, and for example, four fastening lugs are provided, and the four fastening lugs are respectively provided at four corners of the waterway plate 500, so as to improve the installation stability of the waterway plate 500. The fasteners may be screws, pins, etc., such as screws to fixedly attach the structural lugs to the anchor posts.

In some embodiments, in order to improve the matching precision between the fastening lug and the fixing column, the bottom of the fastening lug is provided with a positioning piece, and the positioning piece is provided with a positioning surface, and the shape of the positioning surface is equivalent to the shape of the outer wall surface of the positioning column 639. The locating plate is arc sheet setting, its surface shape adaptation with the fixed column. When fastening lug and fixed column cooperation, the location picture is laminated with the lateral wall of fixed column earlier, then extends to the lug along the length direction of spacer and is connected with the fixed column.

Waterway adapter, refer to fig. 44 to 48:

a waterway adapter 800, which is used for a waterway plate 500 assembly, wherein the waterway plate 500 assembly comprises a waterway plate 500, the waterway plate 500 is at least provided with a first valve interface 540 and a second valve interface 550 which are installed on a valve connector 881 of a solenoid valve 880, and the first valve interface 540 and the second valve interface 550 are respectively communicated with waterways of the waterway plate 500; the waterway adapter 800 includes: a first connector 810 mated with the first valve port 540 to mate with the first valve port 540; a second connector 820 mated with the second valve interface 550 to mate with the second valve interface 550; and a communication portion 830, wherein the communication portion 830 connects the first joint 810 and the second joint 820, and the communication portion 830 has a connection passage therein, and the connection passage communicates the first joint 810 and the second joint 820.

Specifically, in this embodiment, the first valve interface 540 and the second valve interface 550 communicate with different water paths, or at a position of the water path, it may be necessary to provide a control valve. When the circuit board 500 requires the use of the solenoid valve 880, inserting the valve connector 881 of the solenoid valve 880 into the first valve interface 540 and the second valve interface 550; when the solenoid valve 880 is not required for the circuit board 500, the waterway adapter 800 may be disposed between the first valve interface 540 and the second valve interface 550, that is, the first connector 810 and the second connector 820 may be inserted into the first valve interface 540 and the second interface, respectively. In this way, by opening the first valve interface 540 and the second valve interface 550 on the water channel plate 500 and by providing the waterway conversion member, the water channel plate 500 can select whether to install the solenoid valve 880 or the waterway conversion member 800 according to actual situations. Therefore, the applicability of the water circuit board 500 is improved, the water circuit board 500 of the same type can be used in different water circuits, and the production cost of the water circuit board 500 is reduced.

In order to improve the installation stability of the waterway conversion member, the waterway conversion member 800 further includes an installation plate 840, and the installation plate 840 is connected to one or more of the first connector 810, the second connector 820 and the communication part 830; the mounting plate 840 is provided with a fastening hole. Through the setting of mounting panel 840 and fastening hole, in the installation, mounting panel 840 can play the effect of location, and the fastening hole then can guarantee that water route adaptor 800 is reliable and stable installs on water route board 500.

In order to simplify the structure of the waterway plate 500, the waterway conversion member is connected in the same manner as the solenoid valve 880, so that all the connection structures on the waterway plate 500 can be used with the solenoid valve 880. The number of the fastening holes is at least two, and the distance between the two fastening holes is equal to the distance between the two fixing holes 211 of the solenoid valve 880, which are used for connecting the water path plate 500. In this way, the waterway conversion member may share the connection structure of the waterway plate 500 with the solenoid valve 880.

For the compactness of the structure, the mounting plate 840 is provided with a first mounting hole and a second mounting hole, the first joint 810 passes through the first mounting hole, and the second joint 820 passes through the second mounting hole; such that the first and

second connectors

810 and 820 are located at one side of the mounting plate 840 and the communication part 830 is located at the other side of the mounting plate 840. Thus, the mounting plate 840 is located in the middle of the waterway conversion member, so that the whole component can be well fastened by fixing the mounting plate 840. Of course, in some embodiments, in order to simplify the installation process of the waterway adapter 800, the first connector 810, the second connector 820, the communication portion 830, and the installation plate 840 are integrally formed.

In order to ensure that the fastening hole can more effectively ensure the operational stability of the waterway adapter 800, the hole depth direction of the fastening hole coincides with the extending direction of the first connector 810 and the second connector 820. The inserting direction of the first joint 810 and the second joint 820 is the same as the fastening direction of the fastening hole, so that the fastening effect is effectively improved. In another embodiment, the number of the fastening holes is at least two, the two fastening holes are disposed adjacent to the first tab 810 and the second tab 820, respectively, and the arrangement direction of the two fastening holes is identical to the arrangement direction of the first tab 810 and the second tab 820.

The first joint 810 and the second joint 820 are arranged in parallel, and the first joint 810 and the second joint 820 are positioned on the same side of the communication part 830; a handle 850 is disposed on a side of the communication portion 830 opposite to the first connector 810, and the handle 850 is disposed corresponding to a gap between the first connector 810 and the second connector 820. During installation of waterway adapter 800, handle 850 may very well transmit force to first connector 810 and second connector 820, thus facilitating quick insertion of first connector 810 and second connector 820 into the valve interface.

The present invention also provides a waterway plate 500 assembly, comprising: a water circuit board 500, said water circuit board 500 having a first valve interface 540 and a second valve interface 550; the waterway adapter 800, a first connector 810 of the waterway adapter 800 is inserted into the first valve interface 540, and a second connector 820 is inserted into the second valve interface 550.

The plunger and the middle case 300 (lock), see fig. 32 to 40:

a strut assembly for a mid-shell 300, the strut assembly being movably connected to the mid-shell 300, the strut assembly comprising:

the pressing rod comprises a pressing rod body 710 with an installation space, wherein one side of the pressing rod body 710 is provided with a through hole 713;

a lock member 760, the lock member 760 being movably mounted in the mounting space corresponding to the through opening 713, the lock member 760 being capable of protruding out of the mounting space through the through opening 713;

the unlocking assembly 750 comprises a connecting part 751 and an unlocking part 752, the connecting part 751 is movably connected with the pressure bar body 710, and the unlocking part 752 is positioned in the installation space and abuts against the connecting part 751 to push the locking part 760 to return to the installation space;

an elastic member 770, one end of the elastic member 770 being disposed corresponding to the locking member 760, and the other end of the elastic member 770 being disposed corresponding to the unlocking assembly 750 or the pressing lever body 710, so that the locking member 760 protrudes out of the installation space under the elastic restoring force.

Specifically, in the present embodiment, the overall housing 100 of the pressure lever can be many, such as a straight line, a V-shape, an arc shape, and the like, for example, a U-shape. The shape of the locking member 760 can be various, such as block, plate, strip, and the like, and the plate is taken as an example. The unlocking portion 752 is provided corresponding to the lock member 760, and the lock member 760 has a position corresponding to the unlocking portion 752. In the locked state, at least a portion of the locking member 760 is pushed out of the opening 713 by the elastic force and engages with a locking position on the middle shell 300, such as a locking slot 325, or a component, where the pressing rod is not movable. In the unlocked state, the unlocking portion 752 moves along with the rotation of the rotating portion, and in the moving process, the unlocking portion 752 pushes the locking member 760 to move into the installation space, so that the locking member 760 is received in the installation space, and the locked state between the locking member 760 and the outside is released, and at this time, the pressing rod can move. The movable connection mode of the pressure lever is various, such as sliding, rotating and the like. The pressing rod body 710 is rotatably connected with the middle shell 300 assembly, and the locking piece 760 is arranged at one end of the pressing rod body 710 far away from the rotary connection.

The form of the plunger body 710 may be many, and as a specific example, the plunger body 710 includes a top cover 715 and a bottom cover 716, and the top cover 715 and the bottom cover 716 are detachably connected; the installation space is enclosed by the top cover 715 and the bottom cover 716. The top cover 715 and the bottom cover 716 are both arranged in a U shape, and the installation space is located at the bent part of the compression bar body 710. That is, the unlocking position is opposite to the position where the pressing rod body 710 is rotatably connected, so that the action of lifting the handle by the user and the unlocking action can be simultaneously performed, and the operability of the pressing rod by the user can be improved.

In some embodiments, in order to improve the reliability of the sliding of the locking member 760, the pressing rod assembly further includes a slider base 780, and the slider base 780 is installed in the installation space; the slider base 780 has a rail 781 for the locking member 760 to slide. Through the arrangement of the rail 781, the sliding path of the locking member 760 is limited, so that the locking member 760 is effectively guaranteed to move on a required track, and the reliability of locking and unlocking is guaranteed. One end of the rail 781, which is close to the opening 713, is open, and one end of the rail 781, which is far away from the opening 713, is provided with a limiting rib 782. The locking member 760 is constrained to move between the limiting rib 782 and the sidewall around the opening 713 by providing the limiting rib 782 through the open access rail 781. Of course, in some embodiments, in order to further improve the motion stability of the locking member 760, the side walls of the rail 781, the limiting rib 782 and the side walls of the installation space surround to form an active region of the locking member 760.

The elastic member 770 may be elastically deformed in various manners, and as described below by taking two examples according to different positions, the elastic member 770 is disposed between the locking member 760 and the limiting rib 782, or between the locking member 760 and the sidewall of the installation space. When the elastic member 770 is located between the locking member 760 and the limiting rib 782, the elastic member 770 is in a natural state in the locked state, and the elastic member 770 is in a compressed state in the unlocked state. In the case where the elastic member 770 is located between the locking member 760 and the side wall of the installation space, the elastic member 770 is in a natural state in the locked state, and the elastic member 770 is in a stretched state in the unlocked state. The setting can be carried out according to different specific working conditions.

In order to improve the installation stability of the elastic member 770, the elastic member 770 includes a spring, the limiting rib 782 is provided with an installation post 783, one end of the spring is sleeved on the installation post 783, and the other end of the spring is arranged corresponding to the locking member 760. In some embodiments, the top of the base block is further provided with a stop 763 to abut against the elastic member 770, so as to facilitate an effective and stable function of the two ends of the elastic member 770.

In some embodiments, to further ensure the stability of the locking and unlocking processes, the locking member 760 includes a base block, a locking portion 761 provided at one side of the base block, and a rib 762 at the top of the base block; the locking portion 761 is disposed corresponding to the opening 713, and the rib 762 is disposed corresponding to the unlocking portion 752. The base block is matched with the rail 781, and in the unlocking process, the unlocking part 752 abuts against the rib position 762 and drives the base block and the locking part 761 to move towards the through opening 713 through the rib position 762.

In order to improve the reliability of locking and unlocking, the number of the stoppers 763 is two, and the stoppers are respectively disposed on both sides of the rib 762. The number of the elastic members 770 is two, the number of the mounting posts 783 is two, and the locking portions 761 simultaneously drive the two elastic members 770 to compress when the connecting portions 751 rotate. Through setting up two dog 763 respectively in the both sides of muscle position 762, be favorable to locking process and unblock in-process locking piece 760 atress balanced, job stabilization nature.

The connection portion 751 and the compression bar body 710 can be connected in many ways, for example, in a rotatable connection, the compression bar body 710 is provided with a mounting groove 714, and the connection portion 751 is disposed in the mounting groove 714 and is rotatably connected with a groove wall of the mounting groove 714. Through the arrangement of the rotary connection, the locking mechanism is favorable for pushing the locking in a small space, and the space is fully and reasonably utilized.

In some embodiments, in order to enable the driving force of the connection portion 751 to be efficiently transmitted to the unlocking portion 752, a rotation shaft is provided on the connection portion 751, and the unlocking portion 752 is located below the rotation shaft. This is arranged so that the driving force can be directly transmitted to the unlocking portion 752, and the moment can be set by adjusting the distance between the unlocking portion 752 and the rotating shaft.

In some embodiments, for saving labor and facilitating operation, the unlocking assembly 750 further includes a pull tab 754 for driving the connecting portion 751 to move, and the unlocking portion 752 and the connecting portion 751 are disposed on a plate surface of the pull tab 754. Through the arrangement of the shifting sheet 754, when unlocking is needed, a user only needs to shift the shifting sheet 754 to enable the connecting portion 751 to rotate, and operation of the user is facilitated. Meanwhile, the distance between the action point and the rotating shaft is increased by arranging the shifting sheet 754, so that the moment is increased, and labor can be saved.

In order to further improve the convenience of operation, the poking piece 754 comprises a substrate and a handle piece arranged at one end of the substrate far away from the opening 713, the handle piece and the substrate are connected through a step, and in a locked state, the distance between the handle piece and the pressure lever body 710 is larger than the distance between the substrate and the pressure lever body 710. In the locked state, one end of the pull tab 754, which is far away from the unlocking portion 752, extends out of the press rod body 710, so that a user can operate the pull tab 754 conveniently. And the height of the handle piece is too high, so that the handle piece is more convenient for a user to operate.

In some embodiments, in order to enable a user to timely find out a fault occurring during locking and unlocking, the unlocking assembly 750 further includes a checking boss 753, the checking boss 753 and the unlocking portion 752 are located on the same side of the dial 754, and the unlocking portion 752 is located between the through opening 713 and the checking boss 753; when the locking piece 760 is in an unlocked state, the checking boss 753 supports the poking piece 754, so that a gap is reserved between the poking piece 754 and the pressure lever body 710. A groove corresponding to the checking projection 753 is formed in the lock member 760, and the checking projection 753 can be accurately inserted into the groove only when the lock member 760 is at an accurate position, otherwise the checking projection 753 cannot be inserted into the groove and pushes up the dial 754. When the user finds that the shifting sheet 754 is jacked up, the locking structure is in failure, and the pressure rod cannot be locked reliably.

The invention also provides a middle shell 300 assembly, which comprises a middle shell 300 and a pressure rod assembly; the middle shell 300 is provided with a locking groove 325, and a locking piece 760 of the pressure lever assembly is arranged corresponding to the locking groove 325.

The lever that can lever the cartridge 350, with reference to fig. 32 to 40:

a mid-shell 300 assembly comprising:

one end of the pressure lever is rotatably connected with the middle shell 300, and the connection position is close to the opening 311; the propping piece 760 is connected with the pressing rod, the connection position is close to the position where the pressing rod is rotatably connected, and when the pressing rod rotates to a preset position, the propping piece 760 props against the filter element 350 so as to eject the filter element 350.

In this embodiment, in the compressed state of the compression rod, the compression rod is disposed above the filter element 350 to compress the filter element 350, so as to prevent the filter element 350 from separating from the mounting cylinder 310. The position of the rotational connection of the pressure lever is provided with a pivot hole to be pivoted with the middle shell 300 through the pivot hole. Through the mode of opening the pin joint hole, rather than the mode of taking the pin joint axle certainly, be favorable to reasonable utilization space, saved the installation space that the pin joint axle got into the shaft hole. When the filter element 350 needs to be taken out, the pressure rod rotates, when the rotating angle of the pressure rod exceeds 90 degrees, the part of the pressure rod near the rotating position starts to move upwards, and at the moment, the propping piece 760 moves upwards along with the rotation of the pressure rod. As the abutting member 760 continues to move upward, the filter cartridge 350 is ejected from the mounting cylinder 310 to pull the coupling 351 of the filter cartridge 350 out of the waterway port 511 of the waterway plate 500. So, avoid because the sealing washer adsorption affinity is too big, and cause the phenomenon that the user can't easily take out filter core 350 to appear, through the setting of supporting a 760 promptly, be favorable to improving the convenience that the user took out filter core 350.

The specific position of the abutting member 760 may be located on the same side of the rotational connection position as the handle end of the pressing rod, or may be located on two opposite sides of the rotational position, for example, the position of the abutting member and the position of the handle are located on two sides of the rotational position (the rotational axis). Because the propping piece 760 is far away from the handle, the propping piece 760 can start to move upwards as soon as possible, so that the filter element 350 can be pushed out by the pressure lever within the range of the rotation angle as small as possible.

It should be noted that, in some embodiments, in order to reduce friction and improve the force action efficiency, the abutting member 760 has an abutting surface, and the abutting surface is disposed in a convex arc shape. By setting the convex arc state, the filter element 350 is not scraped, and at the same time, the contact area is small, and the consumption of friction force is reduced.

In order to improve the efficiency and reliability of the pressure lever prying the filter element 350, the middle shell 300 assembly is provided with a waterway connector 511 for communicating with a waterway of the filter element 350, and the abutting piece is arranged close to the waterway connector 511. The pipe joint 351 of the filter element 350 is inserted at the waterway interface 511, so that the adsorption force is generated at the waterway interface 511, and the abutting part is close to the waterway interface 511, thereby being beneficial to abutting against the stress point of the filter element 350 directly acted by the abutting part 760 and being beneficial to prying the filter element 350 efficiently.

When the water purifier has the water channel plate 500, the middle shell 300 assembly comprises the water channel plate 500, the water channel plate 500 has the connecting pipe 510, the connecting pipe 510 has the water channel interface 511, the water channel plate 500 is disposed at a position of the mounting cylinder 310 close to the opening 311, and the connecting pipe 510 extends to the periphery of the opening 311. The connection pipe 510 extends to the vicinity of the opening 311, so that the pipe joint 351 of the filter cartridge 350 can be conveniently connected with the water passage plate 500. Meanwhile, the distance between the waterway plate 500 and the filter cartridge 350 can be properly adjusted by setting the length of the connection pipe 510, in this embodiment, the length of the connection pipe 510 is matched with the lengths of the installation cylinder 310 and the filter cartridge 350, and when the filter cartridge 350 is reliably installed in the installation cylinder 310, the pipe structure is just stably inserted into the waterway connector 511.

In order to facilitate convenient and fast operation and labor saving of a user, the pressure lever comprises a main body part and a connecting arm 720, one end of the connecting arm 720 is connected with one end of the main body part, and the other end of the connecting arm is connected with the abutting part 760; the connecting arm 720 extends from the body portion in a direction away from the surface of the plunger. Through the setting of linking arm 720 for the moment of action can be adjusted as required, is favorable to adjusting the dynamics of user's operation depression bar. The extending direction of the connecting arm 720 is the same as the length direction of the mounting cylinder 310, and the position of the abutting member 760 acting on the filter element 350 can be adjusted by adjusting the length of the connecting arm 720 while using the existing space. Therefore, the position of the propping element 760 acting on the filter element 350 is accurately controlled, and the best propping effect is achieved. It should be noted that the position where the pressing rod is rotatably connected to the middle shell 300 is located on the main body or the connecting arm 720, for example, on the active side.

In some examples, in order to improve the reliability of the abutting, the pressing rod is provided in a U shape, and the ends of the two arms are provided with abutting pieces 760. The two propping members 760 extend toward each other and protrude from the connecting arm 720. In this embodiment, the two arms refer to the two arms of the U-shaped pressing rod, and the abutting pieces 760 are simultaneously disposed on the two arms, thereby improving the abutting reliability. Meanwhile, by extending the abutting pieces 760 toward each other, the abutting portion extends between the arms. The plurality of manifold waterway ports 511 and the adapter 351 of the cartridge 350 are positioned between the arms of the waterway plate 500. In this way, the action point of the abutting member 760 is closer to the position where the pipe joint 351 and the waterway interface 511 are connected.

In some embodiments, in order to improve the stability and reliability of the installation of the compression bar, the middle shell 300 assembly further includes a first end seat 320, and the first end seat 320 is disposed at one end of the installation cylinder 310 having an opening 311; the first end base 320 is provided with an installation position for installing the pressure lever. The mounting location includes a mounting recess in which the compression bar is positioned when the compression bar is in a state of compressing the filter cartridge 350. The first end seat 320 is provided with a support boss for supporting the pressure rod at a position far away from the rotary connection position of the pressure rod.

In some embodiments, in order to simplify the connection process of the pressing rod and the abutting member 760 and improve the manufacturing efficiency of the pressing rod, the pressing rod and the abutting member 760 are integrally formed.

The connection of the strut to the waterway plate 500, as shown in figures 39-44,

a mid-shell 300 assembly comprising: a middle shell 300, wherein the middle shell 300 is provided with a mounting cylinder 310, one end of the mounting cylinder 310 is provided with an opening 311, the mounting cylinder 310 is provided with a containing space for installing a filter element 350, and the containing space is communicated with the opening 311; the water channel plate 500, the water channel plate 500 is arranged at one side of the mounting cylinder 310; and one end of the pressure lever is rotatably connected with the water circuit board 500.

Specifically, in this embodiment, the manner of rotationally connecting the pressing rod with the waterway plate 500 may be various, that is, the extending direction of the rotating shaft is various, such as extending along the length direction of the installation cylinder 310, extending along the radial direction of the installation cylinder 310, and the like. In order to facilitate the compression of the filter element 350, the rotation axis of the pressing rod and the waterway plate 500 is perpendicular to the length direction of the installation cylinder 310. The connection position of the pressure lever and the waterway plate 500 can be various, for example, the pressure lever is directly connected to the body of the waterway plate 500, or an extension arm 530 extends from the waterway plate body 520, and the pressure lever is rotatably connected to the extension arm 530. Specifically, the water circuit board 500 includes a circuit board body 520, and an extension arm 530 extending outwardly from the circuit board body 520; the pressure lever is rotatably connected with one end of the extension arm 530 far away from the water circuit board body 520. The extension arms 530 extend from both sides of the waterway plate body 520 to one end of the waterway plate 500. The extending direction thereof is the same as the extending direction of the connection pipe 510 of the waterway plate 500. In this manner, space is saved and the extension arm 530 can be extended to the location where the strut needs to be attached (the end of the mounting cylinder 310 with the opening 311).

The water channel plate 500 is fixedly connected to the mounting barrel 310, and the specific connection manner is as shown in the above embodiments. Because the waterway plate 500 is fixedly installed on the installation cylinder 310, the pressure rod can be very stable after being connected with the waterway plate 500. When the filter element 350 is compressed by the pressure lever, one end of the pressure lever is connected with the water path plate 500, so that when the filter element 350 is compressed, the connection between the filter element 350 and the water path plate 500 is more stable; the joint between the filter element 350 and the waterway plate 500 can bear larger water pressure, and the structural reliability between the waterway plate 500 and the pressure rod is improved. In addition, when the filter element 350 is pried up by the pressing rod, the abutting piece 760 can be more close to the joint of the pipe joint 351 and the waterway interface 511.

The connection mode between the pressing rod and the extension arm 530 is various, and the following embodiment will be described, wherein a first pin shaft hole 531 is formed at one end of the extension arm 530 far away from the water circuit board body 520, a second pin shaft hole 711 is formed on the pressing rod, and the pressing rod and the extension arm 530 are rotatably connected through a pin shaft. Through setting up first round pin shaft hole 531 and second round pin shaft hole 711 earlier, recycling the round pin axle and connecting, avoided reserving installation space for the round pin axle, be favorable to improving the compactedness of space utilization and structure, simultaneously, be favorable to simplifying the connection technology of extension arm 530 and depression bar, be favorable to quick connection. In some embodiments, in order to facilitate the installation of the pin, the first end seat 320 is provided with an avoiding opening for the pin to pass through at a position corresponding to the first pin hole 531 of the extension arm 530.

Regarding the installation of the extension arm 530, in order to improve the compactness of the engagement with the pressing rod, the extension arm 530 extends along the length direction of the middle case 300 and protrudes from the end of the installation cylinder 310 having the opening 311. The middle shell 300 further comprises a first end seat 320, wherein the first end seat 320 is arranged at one end of the mounting cylinder 310 with an opening 311; the first end base 320 is provided with a through hole 324 for the extension arm 530 to pass through, and the extension arm 530 passes through the through hole 324. Through the arrangement of the via hole 324, the extension arm 530 can pass through the via hole 324 to reach a required position, and no additional space is required to be added for extension.

In order to make the connection pipe 510 and the pipe joint 351 be smoothly connected, the first end seat 320 is provided with a relief hole 323 corresponding to the connection pipe 510 of the water passage plate 500, so that the connection pipe 510 of the water passage plate 500 can pass through or the pipe joint 351 of the filter element 350 can pass through. Taking the connecting pipe 510 of the waterway plate 500 as an example, the avoiding hole 323 is convenient for the user to see that the pipe connector 351 is plugged into the connecting pipe 510.

In order to improve the compactness of the structure and fully utilize the space, the position of the rotating connection of the pressure lever is provided with an avoiding gap 712 for installing the extension arm 530. The extension arm 530 extends to the avoidance gap 712 at the rotational connection of the pressure lever after passing through the via hole 324. The sidewall of the avoiding gap 712 and the inner sidewall of the first end seat 320 enclose a space for installing the end of the extension arm 530 far away from the waterway plate body 520. Thus, not only is it beneficial to protect the extension arm 530, but also the space is fully utilized.

In some embodiments, the extension arm 530 has a hollow structure. Hollow out construction can consume the vibration on the depression bar to be favorable to falling the vibration damping of purifier and making an uproar.

Limiting of pressure bar pin joint (limiting protection)

The middle shell 300 assembly is provided with a limiting structure 532 at the position where the middle shell is rotatably connected with the pressure lever, the rotating end of the pressure lever is provided with a positioning structure 717, and the limiting structure 532 and the positioning structure 717 are matched to limit the position of the pressure lever.

In this embodiment, the limiting structure 532 and the positioning structure 717 are arranged such that when the pressing rod is rotated to the predetermined position after being opened, the limiting structure 532 can cooperate with the positioning structure 717 to limit the pressing rod from being reversed to the original position. So, when the user opened the depression bar and changed filter core 350, the depression bar can not freely drop under the effect of gravity, so, is favorable to improving convenience and the security that filter core 350 changed.

The form of the limiting structure 532 and the positioning structure 717 may be many, and the following description is provided:

limiting structure 532 includes spacing muscle, location structure 717 includes the location muscle, when the depression bar rotates to the position of predetermineeing with mesochite 300 subassembly relatively, location muscle and spacing muscle butt. The rotating end of the pressure lever is provided with an avoiding gap 712 for installing the connecting end of the extension arm 530, the positioning structure 717 is arranged on the side wall of the avoiding gap 712, and the limiting structure 532 is arranged on the connecting end. In this way, the cooperation of the pressing rod and the extension arm 530 can make full use of the space, and at the same time, provide space for the positioning structure 532 and the positioning structure 717.

The middle shell 300 further comprises a first end seat 320, wherein the first end seat 320 is arranged at one end of the mounting cylinder 310 with an opening 311; the sidewall of the escape gap 712 and the inner sidewall of the first end seat 320 enclose a space for the connection end of the extension arm 530 to be installed. Dodge breach 712 for half surrounding structure, limit structure 532 sets up the periphery wall at the link, and location structure 717 sets up on the lateral wall that corresponds the link periphery wall. So for the setting form of spacing muscle and location muscle can be adjusted according to the demand, all sets up to the example along the length direction of round pin axle with spacing muscle and location muscle. The extension arm 530 extends along the length of the middle case 300 and protrudes from one end of the mounting cylinder 310 having the opening 311. The middle shell 300 further comprises a first end seat 320, wherein the first end seat 320 is arranged at one end of the mounting cylinder 310 with an opening 311; the first end base 320 is provided with a through hole 324 for the extension arm 530 to pass through, and the extension arm 530 passes through the through hole 324. The arrangement is such that the extension arm 530 is arranged parallel to the wall of the pressure bar and the length direction when parallel is perpendicular to the length direction of the pin. The positioning rib and the limiting rib are matched more reliably.

In some embodiments, in order to ensure that the pressure rod does not fall freely to hurt the user or the filter cartridge 350, the limiting structures 532 are arranged in a plurality along the rotation circumference of the rotation end of the pressure rod, so that the pressure rod has multi-stage limiting. So, even one of them grade spacing goes wrong, the depression bar also can not be completely free fall down to, effectual improvement the reliability.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A water purifier, comprising:

a mid-shell including a mounting cylinder for mounting a filter cartridge, the mounting cylinder having an opening;

the water channel plate is arranged on the mounting cylinder and is arranged close to the opening;

the waterway plate is provided with at least three waterway interfaces of the joint row, which are close to the opening and are used for connecting the pipe joints of the filter element;

the water purifier also comprises a pressure lever and a propping piece, wherein one end of the pressure lever is rotatably connected with the waterway plate, the pressure lever comprises a main body part and a connecting arm, one end of the connecting arm is connected with the main body part, and the other end of the connecting arm is connected with the propping piece; the connecting arm extends from the main body part to the direction far away from the surface of the pressure rod, the pressure rod is arranged in a U shape, the abutting parts are arranged at the end parts of the two arms of the pressure rod, the two abutting parts extend oppositely and protrude out of the connecting arm, the joint of the abutting parts and the pressure rod is close to the position where the pressure rod is rotatably connected, and when the pressure rod rotates to a preset position, the abutting parts abut against the filter element to eject the filter element;

the waterway plate comprises a waterway plate body and an extension arm extending outwards from the waterway plate body; the depression bar with the extension arm is kept away from the one end of water route board body rotates and is connected, the quantity of extension arm is two, two the parallel interval setting of extension arm, the waterway interface of a plurality of antithetical couplets row is located two between the extension arm.

2. The water purifier of claim 1, wherein the waterway plate has five waterway connectors arranged in series, namely a wastewater outlet, a primary filter outlet, a pure water outlet, a raw water inlet and a reverse osmosis inlet.

3. The water purifier of claim 1, wherein a fabrication hole for preventing the deformation of the waterway interface is formed between adjacent waterway interfaces.

4. The water purifier as recited in claim 1, wherein the end of said water channel plate away from said opening is provided with three waterway connectors for connecting and draining, which are a raw water outlet, a pure water outlet and a domestic water outlet.

5. The water purifier of claim 4, wherein the waterway ports at the two ends of the waterway plate are arranged in parallel and in opposite directions.

6. The water purifier of claim 1, wherein the center housing comprises a first end mount disposed at an end of the mounting cylinder having an opening;

the position of the first end seat close to the mounting barrel is provided with an avoiding hole for a connecting pipe of the water circuit board to pass through or a pipe joint of the filter element to pass through.

7. The water purifier according to claim 1, wherein said water circuit board is disposed parallel to said mounting cylinder, said water circuit board is disposed with a fastening lug, said mounting cylinder is disposed with a fixing column, said fastening lug is connected with said fixing column, or said fastening lug is connected with said fixing column through a fastening member.

8. The water purifier according to claim 7, wherein a positioning piece is arranged at the bottom of said fastening lug, said positioning piece has a positioning surface, and the shape of said positioning surface is equivalent to the shape of the outer wall surface of said fixing column.

9. The water purifier of claim 1, wherein the center housing comprises a first end mount disposed at an end of the mounting cylinder having an opening; and the first end seat is provided with a via hole for the extension arm to pass through.