CN114409019A

CN114409019A - Water purifier

Info

Publication number: CN114409019A
Application number: CN202210016577.6A
Authority: CN
Inventors: 欧阳虎; 黄仁胜; 吴卫平; 陈冬果
Original assignee: Foshan Midea Qinghu Water Purification Equipment Co ltd; Midea Group Co Ltd
Current assignee: Foshan Midea Qinghu Water Purification Equipment Co ltd; Midea Group Co Ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-04-29
Anticipated expiration: 2042-01-07
Also published as: CN114409019B

Abstract

The invention relates to the technical field of water purification, and provides a water purifier, which comprises: a housing provided with an inlet; the at least two main filter elements are arranged in the shell in parallel along the height direction of the shell through the inlet, and water paths of the at least two main filter elements are arranged in parallel; a locking assembly connected to an inlet of the housing and adapted to lock or unlock the main filter cartridge. The invention can quickly replace the filter element, has the characteristics of large flux, small volume, good filtering effect and the like, and is suitable for being installed in a narrow cabinet space.

Description

Water purifier

Technical Field

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

Background

The purifier uses the running water as intaking, filters through the filter core of difference, can obtain the drinking water, and the filter core of purifier need be changed after having used a period and just can guarantee the filter effect of purifier.

In the related technology, the water purifier is large in size, the common thickness is about 150mm, so that the water purifier is inconvenient to install under a kitchen, the flux is basically below 600G, and the requirement is difficult to meet; and when the filter core was changed, need take out whole purifier from the cupboard in, it is loaded down with trivial details to change the filter core.

Disclosure of Invention

The present invention has been made to solve at least one of the problems occurring in the related art. Therefore, the water purifier provided by the invention can be used for rapidly replacing the filter element, has the characteristics of large flux, small volume, good filtering effect and the like, and is suitable for being installed in a narrow cabinet space.

According to the embodiment of the invention, the water purifier comprises:

a housing provided with an inlet;

the at least two main filter elements are arranged in the shell in parallel along the height direction of the shell through the inlet, and water paths of the at least two main filter elements are arranged in parallel;

a locking assembly connected to an inlet of the housing and adapted to lock or unlock the main filter cartridge.

According to the water purifier disclosed by the embodiment of the invention, the at least two main filter elements are used for filtering, so that the filtering effect can be improved; the at least two main filter elements are arranged in the shell in parallel along the height direction of the shell, so that the thickness of the whole machine can be reduced, the size of the whole machine is further reduced, and the filter is suitable for being installed in a narrow cabinet space; the water paths of the at least two main filter elements are arranged in parallel, so that the water outlet flow of the whole water purifier can be effectively improved, and the requirements of users on large flow and small volume of the water purifier are met; can lock or loosen main filter core through locking Assembly, the change of the filter core of being convenient for need not to take out the purifier from the cupboard during the renew cartridge and can directly change the filter core. Therefore, the water purifier disclosed by the embodiment of the invention has the characteristics of good filtering effect, large flux, small volume, convenience in core replacement and the like.

According to one embodiment of the invention, the shell is provided with a filter element installation chamber, the filter element installation chamber is communicated with the inlet, the outer wall of the filter element installation chamber is provided with a groove, the locking assemblies are arranged in the groove and positioned at two sides of the inlet, and the central connecting line of the two locking assemblies and a horizontal plane passing through the central axis of the filter element installation chamber form an included angle of 30-60 degrees.

According to an embodiment of the present invention, further comprising:

the water route board, set up in the casing, two at least main filter cores set up in the homonymy of water route board and with the water route board links to each other.

According to one embodiment of the invention, the water pump is arranged in the shell and is arranged in parallel with the at least two main filter elements along the height direction of the shell; a supporting part is arranged between the water pump and the adjacent main filter element, and the thickness of the supporting part is not less than 2.5mm at least;

the end of the water pump is axially provided with a water inlet pipe and a water outlet pipe which are parallel, and the water inlet pipe and the water outlet pipe are connected with the water circuit board.

According to one embodiment of the invention, the thickness of the housing is not less than 100 mm.

According to one embodiment of the invention, the locking assembly comprises:

the lock body is arranged at the entrance of the shell;

the lock catch is arranged on the lock body, a first elastic piece is arranged between the lock catch and the lock body, the lock catch is provided with a rotating part and a locking part which are oppositely arranged, the rotating part is rotatably connected with the lock body, and a first abutting part is arranged on the side surface of the lock catch;

the push rod is arranged on the side face of the lock body in a sliding mode along the vertical direction of the axis in the rotating portion, a second abutting portion is arranged at the first end of the push rod, the second abutting portion and the first abutting portion are correspondingly arranged and are suitable for pushing the first abutting portion to move along the telescopic direction of the first elastic piece, and therefore the locking portion is locked or loosened with the main filter element.

According to one embodiment of the invention, the second end of the push rod is provided with a second elastic member for sliding return of the push rod.

According to an embodiment of the invention, the first abutting portion is provided with an abutting groove, and the second abutting portion is provided with a first abutting wall which can be snapped into or out of the abutting groove.

According to one embodiment of the invention, the inner side edge of the lock catch is provided with a limiting groove, and the inner side edge of the lock body is provided with a limiting part matched with the limiting groove.

According to one embodiment of the invention, a limit bracket is arranged on the other side of the lock body relative to the push rod.

According to one embodiment of the invention, the lock further comprises a third mounting part, the third mounting part is connected with one side, adjacent to the rotating part, of the lock body, and the third mounting part is provided with a limiting hole and a fastening hole.

According to one embodiment of the invention, locking grooves are formed in two sides of the end part of the main filter element, and the locking parts are arranged corresponding to the locking grooves; further comprising:

the handle, the rotation end of handle with the tip rotatable coupling of main filter core, the rotation end of handle be equipped with the corresponding promotion portion of second butt portion, the handle has the lock position and mentions the position the lock position, locking portion card is gone into the locking groove mention the position, promotion portion promotes second butt portion makes locking portion breaks away from the locking groove.

According to one embodiment of the invention, the handle is provided with a stop groove on a back side thereof, and the latch is provided with a stop portion on the other side thereof with respect to the first abutting portion, the stop portion being capable of being engaged with or disengaged from the stop groove.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or technical solutions in related arts, the drawings used in the description of the embodiments or related arts 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 drawings without creative efforts.

FIG. 1 is a schematic view of an internal structure of a disassembled front shell of a water purifier according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a rear housing of the water purifier according to the embodiment of the present invention;

FIG. 3 is a schematic diagram of an internal structure of a detachable side casing of a water purifier according to an embodiment of the present invention;

FIG. 4 is a schematic view of the installation of a locking assembly provided by an embodiment of the present invention;

FIG. 5 is a schematic view of an alternative primary filter cartridge provided by an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a water pump provided in an embodiment of the present invention;

FIG. 7 is a schematic view of an installation of a water pump according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of a locking assembly provided by an embodiment of the present invention;

figure 9 is one of the structural schematic diagrams of the lock body provided by the embodiment of the invention;

fig. 10 is a second schematic structural diagram of a lock body according to the embodiment of the present invention;

FIG. 11 is a schematic view of a lock according to an embodiment of the present invention;

fig. 12 is a second schematic structural view of the lock according to the embodiment of the present invention;

FIG. 13 is a schematic structural diagram of a push rod provided in an embodiment of the present invention;

FIG. 14 is a schematic view of a locked state of the locking assembly provided by an embodiment of the present invention;

FIG. 15 is a schematic view of an unlocked state of the locking assembly provided by the embodiment of the present invention;

FIG. 16 is a schematic structural view of a main filter cartridge provided in accordance with an embodiment of the present invention;

FIG. 17 is a schematic view of a handle according to an embodiment of the present invention;

FIG. 18 is one of the assembly views of a handle and main cartridge provided by an embodiment of the present invention;

FIG. 19 is a second schematic view of the assembly of the handle and the main cartridge provided by the embodiment of the present invention;

FIG. 20 is a third schematic view of the assembly of the handle and the main cartridge provided by the embodiment of the present invention;

FIG. 21 is an assembly view of a locking assembly for locking a main cartridge provided by an embodiment of the present invention;

FIG. 22 is an assembled schematic view of a locking assembly provided in accordance with an embodiment of the present invention to unlock the main cartridge;

reference numerals:

1: a main filter element; 2: a locking assembly; 3: a front housing; 4: a rear housing; 5: a side casing; 6: a top shell;

7: a bottom case; 8: a front filter element; 9: a filter element installation chamber; 10: an inlet; 11: a groove; 12: a frame;

13: a water circuit board; 14: a functional module; 15: a water inlet and outlet interface; 16: a water pump; 17: a water inlet pipe;

18: a water outlet pipe; 19: a vibration-damping silica gel pad; 20: a water pump cover; 21: a control panel;

201: a lock body; 202: locking; 203: a first elastic member; 204: a rotating part;

205: a locking portion; 206: a first abutting portion; 207: a push rod; 208: a second abutting portion;

209: a second elastic member; 210: a first mounting portion; 211: a second mounting portion; 212: a connecting portion;

213: a sliding shaft; 214: a guide hole; 215: positioning the boss; 216: positioning holes; 217: a butt joint groove;

218: a first abutment wall; 219: a first wall; 220: a second wall; 221: an accommodating cavity;

222: a limiting groove; 223: a limiting part; 224: a third mounting portion; 225: a handle; 226: a locking groove;

227: a pushing part; 228: a stopper groove; 229: a stopper portion; 230: a second abutment wall;

231: a first positioning groove; 232: a second positioning groove; 233: avoiding the notch; 234: a rotating groove;

235: a fastening hole; 236: a rotating shaft; 237: rotating the hole; 238: a support portion; 239: a limiting bracket;

240: and a limiting hole.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

A water purifier according to an embodiment of the present invention will be described with reference to fig. 1 to 22.

As shown in fig. 1 to 4, a water purifier according to an embodiment of the present invention generally includes: the filter comprises a shell, a main filter element 1 and a locking assembly 2. The shell is of a detachable box structure and comprises a front shell 3, a rear shell 4, a side shell 5, a top shell 6 and a bottom shell 7, wherein at least two inlets 10 are formed in the front side of the shell, so that the main filter element 1 can be conveniently installed, and the front shell 3 is covered after the installation is finished; the at least two main filter elements 1 are arranged in the shell in parallel along the height direction of the shell through the inlet 10, and the water paths of the at least two main filter elements 1 are arranged in parallel and used for filtering inlet water, and clean drinking water can be obtained by generally arranging different filter elements for filtering; the locking assembly 2 can be mounted at the inlet 10 of the housing by means of fasteners such as bolts, and the locking assembly 2 is adapted to lock and unlock the main cartridge 1, facilitating a quick replacement of the cartridge and a very easy use, see in particular the embodiments described below.

According to the embodiment of the invention, the shell of the water purifier is of a detachable structure, so that the main filter element 1 and other parts can be conveniently installed; in normal use or normal work of the water purifier, the main filter element 1 can be tightly locked through the locking assembly 2, so that the main filter element 1 is not separated, all water flow can be ensured to be filtered by the main filter element 1, and the filtering effect is further ensured; locking Assembly 2 can lock or loosen main filter core 1, realizes trading the core fast of purifier, and then improves user's use and experiences.

According to the water purifier disclosed by the embodiment of the invention, the at least two main filter elements 1 are used for filtering, so that the filtering effect can be improved; the at least two main filter elements 1 are arranged in the shell in parallel along the height direction of the shell, so that the thickness of the whole machine can be reduced, the volume of the whole machine is further reduced, and the filter is suitable for being installed in a narrow cabinet space; the water paths of the at least two main filter elements 1 are arranged in parallel, so that the water outlet flow of the whole water purifier can be effectively improved, and the requirements of users on large flow and small volume of the water purifier are met; can lock or loosen main filter core 1 through locking Assembly 2, be convenient for trade the core to need not to take out the purifier in following the cupboard and can directly change when trading the core. Therefore, the water purifier disclosed by the embodiment of the invention has the characteristics of good filtering effect, large flux, small volume, convenience in core replacement and the like.

According to one embodiment of the invention, the water purifier further comprises a front filter element 8, the front filter element 8 and the main filter element 1 are arranged in parallel in the shell along the height direction of the shell through an inlet 10, and the water paths of the front filter element 8 are respectively connected with the water paths of at least two main filter elements 1 in series. Specifically, after the running water got into, earlier play prefilter's effect with the impurity filtering of running water through leading filter core 8, discharge after the water after the filtration got into at least two main filter cores 1 in parallel again and carried out secondary filter, can realize multiple stage filtration, further improve the filter effect. In this example, the pre-filter 8 may be a pre-PCB filter, and the main filter 1 may be an RO filter, an NF filter, or the like.

According to one embodiment of the invention, the water purifier comprises three filter elements, namely a front filter element 8 and two main filter elements 1, so as to improve the filtering effect; and the three filter cores are arranged in parallel up and down along the height direction of the shell, so that the thickness of the whole machine can be reduced, and the ultrathin thickness of the whole machine is ensured. In this example, the three filter elements can respectively adopt a preposed PCB filter element and two RO filter elements, one of the two RO filter elements can be replaced by an NF filter element, so that chemical pollutants such as antibiotics, hormones, pesticides, detergents, heavy metals and algal toxins can be filtered out, and mineral ions smaller than the aperture of the filter element can pass through, so that beneficial mineral substances can be effectively reserved to adjust the water quality.

It can be understood that the number of the filter elements in the water purifier is not particularly limited, and other numbers can be used, generally, the larger the number is, the better the filtering effect is, and the filter can be designed according to actual working conditions.

According to one embodiment of the invention, the invention can achieve the aim of ultra-thinness by reducing the volume of a single main filter element 1. For example, one RO filter element with the maximum diameter of 150mm may be designed as two RO filter elements with the maximum diameter of only 90mm, please refer to fig. 5, and then three filter elements (a front PCB filter element and two RO filter elements) are arranged in parallel up and down along the height direction of the housing, which not only can further increase the flux of the water purifier and maximally support 1200G expansion, but also can significantly reduce the overall thickness of the whole machine, and the thickness of the housing can be reduced to not less than 100mm, specifically, the thickness can be reduced to 105mm, and is suitable for being installed in a narrow cabinet space; and the water outlet flow of the whole machine is large and can reach 3.2L/min at most, so that the requirement of a user on large flow and small volume of the water purifier is met.

According to one embodiment of the invention, the shell is provided with a filter element mounting chamber 9, the filter element mounting chamber 9 is communicated with an inlet 10, filter elements such as a main filter element 1 and a front filter element 8 can be pushed into the filter element mounting chamber 9 through the side inlet 10, a groove 11 is formed in the outer wall of the filter element mounting chamber 9, a locking assembly 2 is arranged in the groove 11, and the locking assemblies 2 are positioned at two sides of the inlet 10 and used for locking or loosening the main filter element 1 so as to realize the effect of quickly replacing the filter elements; the included angle a between the central connecting line of the two locking assemblies 2 and the horizontal plane passing through the central axis of the filter element installation chamber 9 is 30-60 degrees, as shown in fig. 4, namely the two locking assemblies 2 are obliquely arranged relative to the whole machine, the space which can be used at each position is fully utilized, the structure compactness is improved, the thickness of the whole machine can be further thinned, and the cabinet is particularly suitable for small-space cabinets. It will be appreciated that the locking assembly 2 of the present invention is equally applicable to the locking of the front cartridge 8 in a manner consistent with the main cartridge 1.

According to an embodiment of the present invention, as shown in fig. 3, a frame 12 is disposed in the housing, the frame 12 is provided with a filter element installation chamber 9 and an inlet 10 which are correspondingly communicated, the filter elements such as the main filter element 1 and the front filter element 8 are all cylindrical, correspondingly, the filter element installation chamber 9 is cylindrical, so that a groove 11 is formed between the topmost filter element installation chamber 9 and the top shell 6, between the bottommost filter element installation chamber 9 and the bottom shell 7, and between two adjacent filter element installation chambers 9, the locking assemblies 2 can be disposed in the groove 11, and an included angle a between a central connecting line of two locking assemblies 2 corresponding to each filter element and a horizontal plane passing through a central axis of the filter element installation chamber 9 is 45 degrees, which not only ensures that the locking assemblies 2 can effectively lock the filter elements, but also ensures that the thickness of the frame is not increased, thereby ensuring the thickness of the whole machine, and the thickness of the housing of the ultra-thin water purifier is substantially close to the maximum thickness of the frame 12, as shown in fig. 4.

According to an embodiment of the invention, as shown in fig. 3, the water purifier of the invention further comprises a water path plate 13, and the water path plate 13 is arranged in the shell along the vertical direction, so that the thickness of the whole water purifier can be further reduced, and the purpose of ultra-thinness is achieved; and a plurality of water ways with different functions can be formed in the water way plate 13, and the plurality of water ways are integrated, so that the number of the water way lines can be reduced, the connection structure of the whole machine is simpler, and the size of the whole machine is further reduced.

According to an embodiment of the present invention, the pre-filter 8 and the main filter 1 are disposed on the same side of the waterway plate 13 and connected to the waterway of the waterway plate 13, and the waterway plate 13 is disposed with a function module 14 on a side facing away from the filter, and the function module 14 may include a control valve such as a tap water inlet solenoid valve, a drinking water solenoid valve, and a wastewater solenoid valve, and is configured to control and regulate the flow of the waterway. Specifically, the water treated by different filter elements can flow into water ways with different functions respectively, and the water ways can be tap water ways, drinking water ways, waste water ways and the like.

According to an embodiment of the present invention, the front housing 3 may be a decorative cover to improve the aesthetic property of the whole device, thereby improving the user experience.

According to one embodiment of the present invention, as shown in fig. 2, the waterway plate 13 is provided with a water inlet/outlet port 15, and the water inlet/outlet port 15 extends from the rear case 4, and is mainly used for connecting an external network pipeline.

According to an embodiment of the invention, as shown in fig. 3, 6 and 7, the water purifier further comprises a water pump 16, the water pump 16 is arranged at the bottom in the shell, and the water pump 16 is arranged in parallel with the main filter element 1 along the height direction of the shell, and by the design, the volume of the whole water purifier can be further reduced. In other embodiments, the water pump 16 may be disposed at the top of the housing, and may be designed according to actual conditions.

According to an embodiment of the present invention, as shown in fig. 3, a support 238 is provided between the water pump 16 and the adjacent main filter element 1, specifically, a support 238 is provided between the water pump 16 and the filter element installation chamber 9 of the adjacent main filter element 1, the support 238 is a part of the frame 12, and the thickness of the support 238 is at least not less than 2.5mm to ensure the support strength and good energy dissipation. Specifically, on one hand, the support performance of the main filter element 1 can be improved, and on the other hand, the water pump 16 and the filter element installation chamber 9 of the main filter element 1 are as close to the support portion 238 as possible, so that the structure is more compact, the vertical height is reduced, and the overall volume is smaller; and because the vibration of water pump 16 can cause the influence to main filter core 1, through setting up supporting part 238, can disperse the vibrational force that water pump 16 produced, unload the power, reduce it and cause too much interference to main filter core 1, prevent that main filter core 1 from leaking because of the vibration, avoid the emergence of the incident of leaking to effectively protect main filter core 1.

In the correlation technique, the water pump sets up inlet tube and outlet pipe in its left and right sides, and for the convenience of walking the pipe, the water pump need match two and connect the elbow soon, can make the width of water pump show the increase like this to the cost is higher, if the complete machine uses this kind of water pump, causes complete machine thickness or highly corresponding increase easily.

In order to solve the above technical problems, as shown in fig. 6 and 7, an embodiment of the present invention provides a water pump 16, wherein a water inlet pipe 17 and a water outlet pipe 18 are disposed at an end portion of the water pump 16, and the water inlet pipe 17 and the water outlet pipe 18 are arranged in parallel along an axial direction, so that not only the width of the water pump 16 is significantly reduced, for example, the width can be reduced by 50mm, but also the pipe running is very convenient; and inlet tube 17 and outlet pipe 18 link to each other with the water route of water route board 13, and water pump 16 can drive water and flow in the water route, gets into in the different filter cores, filters water through the filter core, and the water that filters the completion flows out through the water route of water route board 13.

According to an embodiment of the present invention, as shown in fig. 3 and 7, two ends of the water pump 16 are respectively sleeved with vibration-damping silicone pads 19, the two vibration-damping silicone pads 19 and the water pump 16 are placed in a semicircular water pump groove reserved at the bottom of the frame 12, and finally the water pump 16 and the two vibration-damping silicone pads 19 are sealed by the water pump cover 20 to reduce vibration noise generated when the water pump 16 operates.

According to an embodiment of the present invention, as shown in fig. 3, the water purifier further includes a control panel 21, and the control panel 21 is located at the bottom of the casing and is used for controlling the filtering process of the whole water purifier.

The following continues the description of the locking assembly 2 of the embodiment of the present invention.

As shown in fig. 8 to 22, the locking assembly 2 of the embodiment of the present invention mainly includes: a lock body 201, a shackle 202 and a push rod 207. The lock 201 is disposed on the filter element installation chamber 9 of the housing and located at two sides of the inlet 10, the lock 202 is rotatably disposed on the lock 201, the first elastic member 203 is disposed between the lock 202 and the lock 201, the left and right sides of the lock 202 are relatively disposed with the rotating portion 204 and the locking portion 205, the rotating portion 204 of the lock 202 is rotatably connected to the lock 201 to realize articulation, and the side of the lock 202 adjacent to the locking portion 205 is disposed with the first abutting portion 206.

The push rod 207 is slidably disposed on a side surface of the lock body 201 along a vertical direction of a central axis of the rotating portion 204 of the latch 202, a second abutting portion 208 is disposed at a first end of the push rod 207, the second abutting portion 208 of the push rod 207 is disposed corresponding to the first abutting portion 206 of the latch 202, and the second abutting portion 208 of the push rod 207 is adapted to push the first abutting portion 206 of the latch 202 to move along a direction in which the first elastic member 203 extends and retracts, so that the locking portion 205 of the latch 202 is switched between a locking state and a releasing state, and the main filter cartridge 1 is locked or released. Specifically, when the second abutting portion 208 of the push rod 207 slides to abut against the first abutting portion 206, the first abutting portion 206 can be pushed open outwards, that is, the locking portion 205 of the shackle 202 moves towards the lock body 201, so as to realize loosening; when the second abutting portion 208 of the push rod 207 slides to be separated from the first abutting portion 206, the locking portion 205 of the shackle 202 moves in a direction away from the lock body 201 under the action of the first elastic member 203, so as to achieve locking. In this example, the first elastic member 203 may be a spring, and accordingly, the acting force of the first elastic member 203 is an elastic force generated by the spring.

According to an embodiment of the present invention, the "second abutting portion 208 is disposed corresponding to the first abutting portion 206" may be understood as follows: in the locked state, the second abutment 208 of the push rod 207 is located above the first abutment 206 of the shackle 202, as shown in fig. 21; in the unclamped state, the second abutment 208 of the push rod 207 moves down to the side of the first abutment 206 and pushes it out, as shown in fig. 22.

According to the locking assembly 2 of the embodiment of the present invention, the lock 202 is provided with the rotating portion 204 and the locking portion 205 which are oppositely arranged, the rotating portion 204 is rotatably connected with the lock body 201, so as to realize the rotation of the lock 202 on the lock body 201, the first elastic member 203 is arranged between the lock body 201 and the lock 202, under the action force of the first elastic member 203, the initial state of the lock 202 is the locking state, the push rod 207 positioned on the side surface of the lock body 201 slides along the vertical direction of the central axis of the rotating portion 204, the second abutting portion 208 of the push rod 207 can push the first abutting portion 206 of the lock 202 to move along the telescopic direction of the first elastic member 203, so as to push the first abutting portion 206 outwards, and further drive the locking portion 205 of the lock 202 to move outwards in the direction close to the lock body 201, and switch to the unlocking state; in other words, when the second abutting portion 208 of the push rod 207 slides to abut against the first abutting portion 206, the first abutting portion 206 can be pushed outwards, that is, the locking portion 205 of the shackle 202 moves towards the lock body 201, so as to realize unlocking; when the second abutting portion 208 of the push rod 207 slides to be separated from the first abutting portion 206, the locking portion 205 of the shackle 202 moves in a direction away from the lock body 201 under the action of the first elastic member 203, so as to achieve locking. Therefore, when the locking assembly 2 is used, the locking state and the unlocking state can be switched by only pushing the push rod 207, so that the core can be easily and conveniently replaced, the core replacing efficiency is improved, and the use experience of a user is improved.

According to an embodiment of the present invention, as shown in fig. 8, a second elastic member 209 is disposed at a second end of the push rod 207 away from the second abutting portion 208, and under an urging force of the second elastic member 209, when the push rod 207 is slid to return, the second abutting portion 208 of the push rod 207 is separated from the first abutting portion 206 of the latch 202, and under an urging force of the first elastic member 203, the latch 202 returns to a locking state. The second elastic element 209 is arranged, so that the push rod 207 is convenient to slide and reset, and the state is switched. In this example, the second elastic member 209 may be a spring, and accordingly, the acting force of the second elastic member 209 is an elastic force generated by the spring.

According to an embodiment of the present invention, as shown in fig. 9 and 10, the lock body 201 has a first mounting portion 210 and a second mounting portion 211 arranged in parallel on the same side, and the first mounting portion 210 has a guide hole 214.

The push rod 207 is further provided with a connecting portion 212 and a sliding shaft 213, the connecting portion 212 is arranged along the radial direction of the push rod 207, a first end of the connecting portion 212 is connected with a second end of the push rod 207, and the connecting portion 212 is located between the first mounting portion 210 and the second mounting portion 211; the sliding shaft 213 is connected to the second end of the connecting portion 212, and the sliding shaft 213 is parallel to the push rod 207, specifically, the sliding shaft 213 extends in a direction away from the second abutting portion 208, and the sliding shaft 213 is slidably disposed in the guide hole 214 of the first mounting portion 210; the second elastic element 209 is sleeved on the sliding shaft 213, and two ends of the second elastic element 209 are respectively abutted against the first mounting portion 210 and the connecting portion 212. In the locked state, the connecting portion 212 abuts against the second mounting portion 211 by the urging force of the second elastic member 209, and in the unlocked state, the second elastic member 209 is in a compressed state by receiving the urging force of the push rod 207, so that the connecting portion 212 is separated from the second mounting portion 211.

According to an embodiment of the present invention, as shown in fig. 9 and 13, the second mounting portion 211 of the lock body 201 is disposed adjacent to the first abutting portion 206 of the shackle 202, the connecting portion 212 of the push rod 207 is provided with a positioning boss 215, the second mounting portion 211 of the lock body 201 is provided with a positioning hole 216, and the positioning hole 216 is matched with the positioning boss 215. In a locked state, under the action of the second elastic element 209, the positioning boss 215 can be clamped into the positioning hole 216 to position the push rod 207, so that the stability of the push rod is improved; in the released state, the second elastic member 209 is in a compressed state due to the pushing force of the push rod 207, and the positioning boss 215 can be disengaged from the positioning hole 216.

According to one embodiment of the present invention, as shown in fig. 10, the outer end of the first mounting portion 210 of the lock body 201 may or may not be connected to the outer end of the second mounting portion 211. In this example, the outer end of the first mounting portion 210 is connected to the outer end of the second mounting portion 211 to improve the overall structural strength.

According to an embodiment of the present invention, as shown in fig. 10, the second mounting portion 211 of the lock body 201 is provided with an escape notch 233 for the push rod 207 to pass through, so as to avoid interference with the sliding of the push rod 207.

According to an embodiment of the present invention, as shown in fig. 9 and 10, the other side of the lock body 201 opposite to the push rod 207 is provided with a limit bracket 239, in other words, the other side of the lock body 201 opposite to the first mounting portion 210 is provided with the limit bracket 239, the number of the limit brackets 239 is not particularly limited, in this example, two limit brackets 239 are provided, and the filter cartridge mounting chamber 9 is provided with a limit groove adapted to the limit bracket 239, so that the limit of the locking assembly 2 can be achieved by inserting the limit bracket 239 into the limit groove, the dislocation can be avoided, the pressure-resistant locking capability can be ensured, the filter cartridges such as the main filter cartridge 1 and the pre-filter cartridge 8 are not easily separated, and further, the occurrence of a water leakage event can be avoided.

According to one embodiment of the present invention, as shown in fig. 11-13, the first abutting portion 206 of the lock catch 202 is provided with an abutting groove 217, and the second abutting portion 208 of the push rod 207 is provided with a first abutting wall 218 that mates with the abutting groove 217. Specifically, in the locked state, under the action of the second elastic element 209, the first abutting portion 206 is separated from the second abutting portion 208, and accordingly, the first abutting wall 218 is separated from the abutting groove 217, as shown in fig. 14; in the unclamped state, the second elastic member 209 is compressed by the pushing force of the push rod 207, the first abutting portion 206 abuts against the second abutting portion 208, and the first abutting wall 218 is caught in the abutting groove 217, so that the striker 202 is pushed open, as shown in fig. 15. Accordingly, the first abutment wall 218 can be correspondingly snapped into or out of the abutment groove 217 depending on the locked or unlocked state.

According to an embodiment of the present invention, as shown in fig. 13, the first abutting wall 218 of the second abutting portion 208 of the push rod 207 includes a first wall 219 and a second wall 220, the first wall 219 and the second wall 220 are integrally formed, the first wall 219 is adapted to abut against an end surface of the abutting groove 217 of the first abutting portion 206 of the lock catch 202, and the second wall 220 is adapted to abut against an inner wall of the abutting groove 217 of the first abutting portion 206. Specifically, in the opening process, the first wall 219 first abuts against the end surface of the abutting groove 217 to preliminarily eject the latch 202, corresponding to the handle lifting state shown in fig. 19, at this time, the handle 225 is disposed obliquely with respect to the central axis of the main filter element 1; continue to mention handle 225, then the inner wall butt of second wall 220 and butt groove 217 to knock off hasp 202 completely, the state is mentioned to the handle that corresponds fig. 20 shows, handle 225 sets up along the axis of main filter core 1 this moment, make handle 225 along 1 axis direction atress of main filter core even, thereby can comparatively steadily pull whole main filter core 1 and deviate from filter core installation room 9, prevent to receive the collision taking out in-process main filter core 1, and then fine protection main filter core 1.

According to an embodiment of the present invention, the first wall 219 of the first abutting wall 218 of the push rod 207 may be an inclined wall, or an arc wall protruding outward, and may be designed according to actual conditions; the second wall 220 may be adapted to the inner wall of the abutment groove 217. In this example, the second wall 220 of the first abutment wall 218 of the push rod 207 and the inner wall of the abutment slot 217 of the first abutment 206 of the latch 202 are both straight walls.

According to an embodiment of the present invention, as shown in fig. 8-12, the lock body 201 is formed with a receiving cavity 221, and the shackle 202 is rotatably disposed in the receiving cavity 221. Specifically, the first elastic element 203 and the portion of the latch 202 having the rotating portion 204 are disposed in the receiving cavity 221, and the other portion of the latch 202 having the first abutting portion 206 and the locking portion 205 extends outside the receiving cavity 221.

According to an embodiment of the present invention, as shown in fig. 9 and 10, the edge of the opening side of the accommodating cavity 221 of the lock body 201 is provided with a limiting portion 223; as shown in fig. 12, the inner edge of the lock catch 202 is provided with a limiting groove 222, and the limiting portion 223 is adapted to the limiting groove 222 for limiting the rotation of the lock catch 202. Specifically, when the shackle 202 is disposed in the accommodating cavity 221 of the lock body 201, the limiting portion 223 may be clamped in the limiting groove 222, so that the shackle 202 rotates in the accommodating cavity 221 at a certain rotation angle, the shackle 202 is prevented from being separated from the accommodating cavity 221 under the action of the first elastic member 203, and the overall assembly performance is improved. The rotation angle of the lock 202 can be designed according to actual conditions.

According to an embodiment of the present invention, as shown in fig. 10, the left side of the receiving cavity 221 of the lock body 201 is provided with a rotation groove 234 for connecting with the rotation portion 204 of the shackle 202 to facilitate the rotation of the shackle 202. In this example, the rotating portion 204 is a rotating shaft.

According to an embodiment of the present invention, as shown in fig. 10 and 11, the receiving cavity 221 of the lock body 201 is provided with a first positioning groove 231 near the right side of the locking portion 205; hasp 202 is equipped with second constant head tank 232, and second constant head tank 232 sets up with first constant head tank 231 relatively, and the both ends of first elastic component 203 set up respectively in first constant head tank 231 and second constant head tank 232, realize the location to first elastic component 203 to through being close to locking portion 205 setting with first elastic component 203, can exert the effort to hasp 202 better, in order to improve the locking effect.

According to an embodiment of the present invention, as shown in fig. 9, a third mounting portion 224 is further disposed on the left side of the lock body 201 adjacent to the rotating portion 204, and the third mounting portion 224 is integrally formed with the lock body 201. The third mounting portion 224 is provided with a fastening hole 235, and the third mounting portion 224 can be mounted to the cartridge mounting chamber 9 by a fastening member such as a bolt, thereby achieving the integral assembly of the lock assembly 2. In this example, there are two fastening holes 235, but other numbers are possible.

According to an embodiment of the present invention, the third installation portion 224 is further provided with a limiting hole 240, the filter element installation chamber 9 is provided with a limiting post adapted to the limiting hole 240, when the filter element installation chamber is installed, the limiting hole 240 is connected to the limiting post to realize the positioning of the lock body 201, and then the lock body is fixed by a fastening member such as a bolt. According to the invention, through the arrangement, the stability of the locking assembly 2 can be further improved, so that the locking capability of the filter element is improved, the stability of the filter element is ensured, and the occurrence of water leakage events is avoided. In this example, there are two limiting holes 240, but other numbers are also possible.

The operation of the locking assembly 2 of the above embodiment of the present invention will be generally described below, and mainly includes a locked state and an unlocked state.

And (3) locking state: as shown in fig. 14, under the urging force of the second elastic member 209, the second abutting portion 208 of the push rod 207 is separated from the first abutting portion 206 of the shackle 202, and under the urging force of the first elastic member 203, the shackle 202 is moved away from the lock body 201, and locking is achieved by the locking portion 205.

A loosening state: as shown in fig. 15, the push rod 207 is pushed to compress the second elastic member 209, the second abutting portion 208 of the push rod 207 abuts against the first abutting portion 206 of the lock catch 202, and further the first elastic member 203 is compressed to drive the lock catch 202 to rotate outward in a direction close to the lock body 201, so as to achieve releasing.

Therefore, the locking assembly provided by the embodiment of the invention has the characteristics of simple structure, convenience in use and capability of being locked and loosened quickly. When applied to the filter core, can realize the locking of filter core to can improve the replacement efficiency of filter core.

According to an embodiment of the present invention, as shown in fig. 16-22, locking grooves 226 are respectively formed on both sides of the end of the main filter element 1, and the locking portion 205 of the lock catch 202 is disposed corresponding to the locking grooves 226; the embodiment of the invention further comprises a handle 225, wherein the rotating end of the handle 225 is rotatably connected with the end part of the main filter element 1, the rotating end of the handle 225 is provided with a pushing part 227 corresponding to the second abutting part 208 of the push rod 207, and specifically, the second abutting part 208 is positioned below the pushing part 227; the handle 225 has a latching position and a lifting position, and when the handle 225 is in the latching position, corresponding to the latching state of the latch assembly 2, the latching portion 205 of the latch 202 can be latched into the latching groove 226, as shown in fig. 21; when the handle 225 is at the lifted position, corresponding to the released state of the locking assembly 2, the pushing portion 227 of the handle 225 pushes the second abutting portion 208 of the push rod 207 downward, so that the second abutting portion 208 pushes the first abutting portion 206 of the lock catch 202 outward, and the locking portion 205 of the lock catch 202 is disengaged from the locking groove 226, as shown in fig. 22.

According to the locking assembly 2 of the embodiment of the invention, the shackle 202 rotates on the lock body 201, the first elastic member 203 is arranged between the lock body 201 and the shackle 202, under the action force of the first elastic member 203, the initial state of the shackle 202 can be a locked state, the push rod 207 positioned on the side surface of the lock body 201 slides along the vertical direction of the central axis of the rotating part 204, and the second abutting part 208 of the push rod 207 can push the first abutting part 206 of the shackle 202 to move along the telescopic direction of the first elastic member 203, so that the first abutting part 206 is pushed outwards, and the locking part 205 of the shackle 202 is driven to move outwards towards the direction close to the lock body 201, and the state is switched to a released state.

With reference to fig. 18 and fig. 21, when the handle 225 is at the engaging position, the pushing portion 227 of the handle 225 is separated from the second abutting portion 208 of the pushing rod 207, and the second abutting portion 208 of the pushing rod 207 is separated from the first abutting portion 206 of the lock catch 202 under the action of the second elastic member 209, and at this time, the locking portion 205 of the lock catch 202 is locked in the locking groove 226 under the action of the first elastic member 203, so as to achieve locking; as shown in fig. 19, 20 and 22, when the handle 225 is at the lifted position, the pushing portion 227 of the handle 225 abuts against the second abutting portion 208 of the push rod 207, the pushing portion 227 pushes the second abutting portion 208 downward to compress the second elastic member 209, and at the same time, the second abutting portion 208 pushes away the first abutting portion 206 of the latch 202 to compress the first elastic member 203, so that the locking portion 205 of the latch 202 is disengaged from the locking groove 226 to be released, and the handle 225 on the main filter cartridge 1 is pulled outward, so that the main filter cartridge 1 can be taken out.

And in a specific opening process, the first wall 219 of the second abutting part 208 of the push rod 207 first abuts against the end surface of the abutting groove 217 of the first abutting part 206 of the lock catch 202 to preliminarily eject the lock catch 202, and the handle 225 is in an inclined lifting state shown in fig. 19; the handle 225 is lifted continuously, then the second wall 220 of the second abutting portion 208 abuts against the inner wall of the abutting groove 217 of the first abutting portion 206 to completely eject the latch 202, the handle 225 is in the horizontally lifted state shown in fig. 20, at this time, the main filter cartridge 1 can be pulled out from the filter cartridge installation chamber 9 through the handle 225, after the main filter cartridge 1 is taken out, the first elastic member 203 in the locking assembly 2 can restore the latch 202 to the locked state through the acting force, and the second elastic member 209 can restore the push rod 207 to the locked state through the acting force.

According to an embodiment of the present invention, as shown in fig. 16 and 17, the handle 225 has a semicircular shape, both ends of the handle 225 are rotation ends, the rotation ends of the handle 225 are respectively provided with rotation shafts 236, both sides of the end of the main cartridge 1 are respectively provided with rotation holes 237, and the rotation shafts 236 are connected to the rotation holes 237 to realize the rotation of the handle 225.

According to an embodiment of the present invention, as shown in fig. 12 and 17, the back side (bottom) of the handle 225 is provided with a stopper groove 228, the side of the latch 202 is provided with a stopper 229, and the stopper 229 and the first abutting portion 206 are respectively located at the upper and lower opposite sides of the latch 202. Specifically, when the handle 225 is in the engaging position, the stopping portion 229 can be engaged with the stopping groove 228 of the handle 225 to limit the rotation of the latch 202, thereby ensuring the locking stability; when the handle 225 is in the lifted position, the detent 229 may disengage from the detent groove 228 of the handle 225, enabling release. Thus, the detent 229 of the latch 202 of the present invention can be correspondingly snapped into and out of the detent groove 228 depending on the latched or unlatched condition.

According to an embodiment of the present invention, as shown in fig. 8 and 22, an end surface of the second abutting portion 208 of the push rod 207 is formed with a second abutting wall 230, and the second abutting wall 230 is located on a back side of the pushing portion 227 of the handle 225. In the present example, the second abutment wall 230 is located below the push portion 227, and the push portion 227 of the handle 225 may be separated from or abut against the second abutment wall 230 of the push rod 207. Specifically, when the handle 225 is in the engaging position, the pushing portion 227 of the handle 225 is separated from the second abutting wall 230, which is a locking state; when the handle 225 is at the lifted position, the pushing portion 227 of the handle 225 abuts against the second abutting wall 230 to push the push rod 207, which is in an open state. According to the invention, the second abutting wall 230 is arranged, so that the contact area between the handle 225 and the push rod 207 can be increased, and the pushing performance is further ensured.

The water purifier provided by the embodiment of the invention can push the push rod 207 of the locking assembly 2 through the handle 225 to realize locking and unlocking, when the service life of the main filter element 1 expires and the filter element needs to be replaced, the main filter element 1 can be tripped only by lifting the handle 225 on the main filter element 1, the filter element to be replaced is pulled out, a new filter element is directly pushed into the filter element installation chamber 9, and the lock catch 202 of the locking assembly 2 can automatically lock the main filter element 1 under the action force of the first elastic element 203. It will be appreciated that the locking of the main cartridge 1 of the invention described above is equally applicable to the locking of cartridges such as the pre-cartridge 8. Therefore, the invention can realize easy and convenient core replacement.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A water purifier, comprising:

a housing provided with an inlet;

2. The water purifier according to claim 1, wherein the housing has a filter element installation chamber, the filter element installation chamber is communicated with the inlet, a groove is formed on an outer wall of the filter element installation chamber, the locking assemblies are disposed in the groove and located on both sides of the inlet, and a central connecting line of the two locking assemblies forms an included angle of 30-60 degrees with a horizontal plane passing through a central axis of the filter element installation chamber.

3. The water purifier of claim 1, further comprising:

4. The water purifier according to claim 3, further comprising a water pump disposed within said housing and juxtaposed to said at least two main filter elements along a height direction of said housing; a supporting part is arranged between the water pump and the adjacent main filter element, and the thickness of the supporting part is not less than 2.5mm at least;

5. The water purifier according to any one of claims 1-4, wherein the thickness of the housing is not less than 100 mm.

6. The water purification machine according to any one of claims 1-4, wherein said locking assembly comprises:

the lock body is arranged at the entrance of the shell;

7. The water purifier as recited in claim 6, wherein a second elastic member is provided at a second end of said push rod for sliding return of said push rod.

8. The water purifier as recited in claim 6, wherein said first abutting portion has an abutting groove, and said second abutting portion has a first abutting wall, and said first abutting wall can be engaged with or disengaged from said abutting groove.

9. The water purifier as recited in claim 6, wherein a limit groove is provided at an inner side edge of the lock catch, and a limit portion adapted to the limit groove is provided at an inner side edge of the lock body.

10. The water purifier as recited in claim 6, wherein a limit bracket is provided on the other side of said lock body relative to said push rod.

11. The water purifier of claim 6, further comprising a third mounting portion connected to a side of the lock body adjacent to the rotating portion, wherein the third mounting portion is provided with a limiting hole and a fastening hole.

12. The water purifier according to claim 6, wherein locking grooves are provided on both sides of the end of the main filter element, and the locking parts are provided corresponding to the locking grooves; further comprising:

13. The water purifier as recited in claim 12, wherein a retaining groove is formed on a back side of said handle, and a retaining portion is formed on the other side of said lock catch opposite to said first abutting portion, said retaining portion being capable of being engaged with or disengaged from said retaining groove.