CN114409019B - a water purifier - Google Patents

Abstract

The present invention relates to the technical field of water purification, and provides a water purifier, comprising: a housing with an inlet; at least two main filter elements, the at least two main filter elements are arranged side by side along the height direction of the housing through the inlet In the casing, the water passages of the at least two main filter elements are arranged in parallel; the locking assembly is connected to the inlet of the casing and is suitable for locking or releasing the main filter element. The invention can quickly replace the filter element, and has the characteristics of large flux, small volume, good filtering effect, etc., and is suitable for being installed in a narrow cabinet space.

Description

a water purifier

technical field

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

Background technique

The water purifier uses tap water as the incoming water and filters it through different filter elements to obtain drinking water. After the filter element of the water purifier has been used for a period of time, it needs to be replaced to ensure the filtering effect of the water purifier.

In the related technology, the size of the water purifier is relatively large, and the general thickness is about 150mm, which makes it inconvenient to install under the kitchen. , It is cumbersome to replace the filter element.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the related art. Therefore, the present invention provides a water purifier that can quickly replace the filter element, and has the characteristics of large flux, small volume, and good filtering effect, and is suitable for installation in a narrow cabinet space.

A water purifier according to an embodiment of the present invention includes:

The housing is provided with an inlet;

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

The locking assembly is connected to the inlet of the casing and is suitable for locking or releasing the main filter element.

According to the water purifier of the embodiment of the present invention, the filtering effect can be improved through at least two main filter elements; the thickness of the whole machine can be reduced by at least two main filter elements arranged side by side along the height direction of the casing in the casing, and then The volume of the whole machine is reduced, which is suitable for installation in a narrow cabinet space; through the parallel arrangement of at least two main filter elements, the water flow of the whole machine can be effectively improved to meet the user's demand for large flow and small volume of the water purifier; through locking The component can lock or loosen the main filter element to facilitate the replacement of the filter element. When changing the element, the filter element can be replaced directly without taking the water purifier out of the cabinet. Therefore, the water purifier of the embodiment of the present invention has the characteristics of good filtering effect, large flux, small volume, and easy replacement of cores.

According to an embodiment of the present invention, the housing is provided with a filter element installation chamber, the filter element installation chamber communicates with the inlet, a groove is formed on the outer wall of the filter element installation chamber, and the locking assembly is arranged on the In the groove and on both sides of the inlet, the line connecting the centers of the two locking components forms an included angle of 30°-60° with a horizontal plane passing through the central axis of the filter element installation chamber.

According to an embodiment of the present invention, also include:

The water channel plate is arranged in the housing, and the at least two main filter elements are arranged on the same side of the water channel plate and connected with the water channel plate.

According to an embodiment of the present invention, it also includes a water pump, which is arranged in the casing and arranged in parallel with the at least two main filter elements along the height direction of the casing; between the water pump and the adjacent main filter elements A supporting part is provided, and the thickness of the supporting part is at least not less than 2.5 mm;

The end of the water pump is provided with parallel water inlet pipes and water outlet pipes in the axial direction, and the water inlet pipes and the water outlet pipes are connected with the water circuit board.

According to an embodiment of the present invention, the thickness of the casing is not less than 100mm.

According to one embodiment of the present invention, the locking assembly includes:

The lock body is arranged at the entrance of the housing;

The lock catch is arranged on the lock body, a first elastic member is provided between the lock catch and the lock body, the lock catch is provided with a rotating part and a locking part oppositely arranged, and the rotating part and the lock body are arranged oppositely. The lock body is rotatably connected, and the side of the lock buckle is provided with a first abutting portion;

A push rod, the push rod is slidably arranged on the side of the lock body along the vertical direction of the central axis of the rotating part, the first end of the push rod is provided with a second abutting part, and the second abutting part A portion is provided corresponding to the first abutting portion and is adapted to push the first abutting portion to move along the stretching direction of the first elastic member, so that the locking portion locks or releases the main filter element.

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

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

According to an embodiment of the present invention, a limiting groove is provided on the inner edge of the lock buckle, and a limiting portion adapted to the limiting groove is provided on the inner edge of the lock body.

According to an embodiment of the present invention, a limiting bracket is provided on the other side of the lock body relative to the push rod.

According to an embodiment of the present invention, it further includes a third installation part, the third installation part is connected with the side of the lock body adjacent to the rotation part, and the third installation part is provided with a limiting hole and a fastening hole .

According to an embodiment of the present invention, locking grooves are provided on both sides of the end of the main filter element, and the locking part is arranged correspondingly to the locking grooves; it also includes:

A handle, the rotating end of the handle is rotatably connected to the end of the main filter element, the rotating end of the handle is provided with a push part corresponding to the second abutting part, the handle has a buckle position and In the lifting position, in the fastening position, the locking part snaps into the locking groove, in the lifting position, the pushing part pushes the second abutting part to disengage the locking part from the locking slot.

According to an embodiment of the present invention, a stop groove is provided on the back side of the handle, and a stop part is provided on the other side of the buckle relative to the first abutting part, and the stop part can engage into or out of the locking slot.

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

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or related technologies, the following will briefly introduce the drawings that need to be used in the descriptions of the embodiments or related technologies. Obviously, the drawings in the following description are only For some embodiments of the invention, those skilled in the art can also obtain other drawings based on these drawings without creative effort.

Fig. 1 is a schematic diagram of the internal structure of the water purifier provided by the embodiment of the present invention when the front shell is disassembled;

Fig. 2 is a schematic diagram of the rear shell structure of the water purifier provided by the embodiment of the present invention;

Fig. 3 is a schematic diagram of the internal structure of the water purifier provided by the embodiment of the present invention with the side shell disassembled;

Fig. 4 is a schematic diagram of the installation of the locking assembly provided by the embodiment of the present invention;

Fig. 5 is a schematic structural view of an alternative to a main filter element provided by an embodiment of the present invention;

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

Fig. 7 is a schematic diagram of the installation of the water pump provided by the embodiment of the present invention;

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

Fig. 9 is one of the structural schematic diagrams of the lock body provided by the embodiment of the present invention;

Fig. 10 is the second structural schematic diagram of the lock body provided by the embodiment of the present invention;

Fig. 11 is one of the structural schematic diagrams of the lock provided by the embodiment of the present invention;

Fig. 12 is the second structural schematic diagram of the lock provided by the embodiment of the present invention;

Fig. 13 is a schematic structural view of a push rod provided by an embodiment of the present invention;

Fig. 14 is a schematic diagram of the locking state of the locking assembly provided by the embodiment of the present invention;

Fig. 15 is a schematic diagram of the unlocked state of the locking assembly provided by the embodiment of the present invention;

Fig. 16 is a schematic structural view of the main filter element provided by the embodiment of the present invention;

Fig. 17 is a schematic structural view of the handle provided by the embodiment of the present invention;

Fig. 18 is one of the assembly schematic diagrams of the handle and the main filter element provided by the embodiment of the present invention;

Figure 19 is the second schematic diagram of the assembly of the handle and the main filter element provided by the embodiment of the present invention;

Figure 20 is the third schematic diagram of the assembly of the handle and the main filter element provided by the embodiment of the present invention;

Fig. 21 is a schematic diagram of the assembly of the main filter element locked by the locking assembly provided by the embodiment of the present invention;

Fig. 22 is a schematic diagram of the assembly of the main filter element released by the locking assembly provided by the embodiment of the present invention;

Reference signs:

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

7: Bottom shell; 8: Front filter element; 9: Filter element installation room; 10: Inlet; 11: Groove; 12: Rack;

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

18: water outlet pipe; 19: shock-absorbing silicone pad; 20: water pump cover; 21: control panel;

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

205: locking part; 206: first contact part; 207: push rod; 208: second contact part;

209: second elastic member; 210: first installation part; 211: second installation part; 212: connection part;

213: sliding shaft; 214: guide hole; 215: positioning boss; 216: positioning hole; 217: contact groove;

218: first abutting wall; 219: first wall; 220: second wall; 221: accommodating cavity;

222: limit groove; 223: limit part; 224: third installation part; 225: handle; 226: locking groove;

227: pushing part; 228: stop groove; 229: stop part; 230: second abutting wall;

231: first positioning slot; 232: second positioning slot; 233: avoidance gap; 234: rotation slot;

235: fastening hole; 236: rotating shaft; 237: rotating hole; 238: supporting part; 239: limit bracket;

240: limit hole.

Detailed ways

Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing this The embodiments and simplified descriptions of the invention do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the embodiments of the present invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, Or integrated connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the present invention in specific situations.

In the embodiments of the present invention, unless otherwise specified and limited, the first feature may be in direct contact with the first feature or the first feature and the second feature may pass through the middle of the second feature. Media indirect contact. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the embodiments of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

The water purifier of the embodiment of the present invention will be described below with reference to FIGS. 1-22 .

As shown in FIGS. 1-4 , the water purifier according to the embodiment of the present invention generally includes: a housing, a main filter element 1 and a locking assembly 2 . Wherein, the housing is a detachable box structure, including a front housing 3, a rear housing 4, a side housing 5, a top housing 6 and a bottom housing 7, and at least two inlets 10 are provided on the front side of the housing to facilitate the installation of the main filter element 1. After the installation is completed, cover the front shell 3; at least two main filter elements 1 are arranged side by side in the casing along the height direction of the casing through the inlet 10, and the water channels of at least two main filter elements 1 are arranged in parallel for the water inlet. Filtration, generally by setting different filter elements to filter, clean drinking water can be obtained; the locking assembly 2 can be installed at the inlet 10 of the housing through fasteners such as bolts, and the locking assembly 2 is suitable for locking or loosening the main The filter element 1 is convenient for quick replacement of the filter element and is very convenient to use. For details, please refer to the embodiments described later.

In the embodiment of the present invention, the housing of the water purifier is set as a detachable structure, which facilitates the installation of the main filter element 1 and other components; and the water purifier can be tightly locked by the locking assembly 2 during normal use or normal operation. The main filter element 1, so that the main filter element 1 does not come out, can ensure that all the water flow is filtered through the main filter element 1, thereby ensuring the filtering effect; the locking component 2 can lock or loosen the main filter element 1, so as to realize the quick replacement of the water purifier , thereby improving user experience.

According to the water purifier of the embodiment of the present invention, at least two main filter elements 1 are used for filtering, which can improve the filtering effect; and at least two main filter elements 1 are arranged side by side in the casing along the height direction of the casing, so that the thickness of the whole machine can be reduced , and then reduce the volume of the whole machine, which is suitable for installation in a small cabinet space; through the parallel arrangement of at least two main filter elements 1, the water flow of the whole machine can be effectively increased, and the user's demand for large flow and small volume of the water purifier can be met; The main filter element 1 can be locked or loosened by the locking assembly 2, which is convenient for changing the element, and the water purifier can be directly replaced without taking the water purifier out of the cabinet when changing the element. Therefore, the water purifier of the embodiment of the present invention has the characteristics of good filtering effect, large flux, small volume, and easy replacement of cores.

According to one embodiment of the present invention, the water purifier of the present invention also includes a pre-filter element 8, the pre-filter element 8 and the main filter element 1 are arranged side by side in the casing along the height direction of the casing through the inlet 10, and the water channels of the pre-filter element 8 are respectively It is connected in series with the waterways of at least two main filter elements 1. Specifically, when the tap water enters, the impurities of the tap water are first filtered out through the pre-filter element 8, which plays the role of preliminary filtration, and the filtered water enters at least two main filter elements 1 in parallel to be filtered again and then discharged, which can realize Multi-stage filtering further improves the filtering effect. In this example, the pre-filter element 8 may be a pre-PCB filter element, and the main filter element 1 may be an RO filter element, a NF filter element, and the like.

According to one embodiment of the present invention, the water purifier includes three filter elements, which are respectively a pre-filter element 8 and two main filter elements 1, to improve the filtering effect; and the three filter elements are arranged side by side along the height direction of the housing, so , can reduce the thickness of the whole machine, so as to ensure that the thickness of the whole machine is ultra-thin. In this example, the three filter elements can use pre-PCB filter elements and two RO filter elements respectively, and one of the two RO filter elements can also be replaced with an NF filter element, which can filter out antibiotics, hormones, pesticides, detergents, heavy metals, Chemical pollutants such as algae toxins, while mineral ions smaller than the pore size of the filter element can pass through, thereby effectively retaining beneficial minerals to regulate water quality.

It can be understood that the number of filter elements inside the water purifier of the present invention is not particularly limited, and can also be other numbers. Generally, the more the number, the better the filtering effect, and it can be designed according to actual working conditions.

According to an embodiment of the present invention, the present invention can achieve the goal of ultra-thinness by reducing the volume of a single main filter element 1 . For example, one RO filter element with a maximum diameter of 150mm can be designed as two RO filter elements with a maximum diameter of only 90mm, please refer to Figure 5, and then three filter elements (pre-PCB filter element and two RO filter elements) The direction is arranged side by side, which can not only further increase the throughput of the water purifier, but also support up to 1200G capacity expansion. At the same time, the overall thickness of the whole machine is significantly reduced, and the thickness of the shell can be reduced to no less than 100mm. Specifically, the thickness can be Reduced to 105mm, it is suitable for installation in narrow cabinet space; and the water flow rate of the whole machine is large, up to 3.2L/min, thus meeting the user's demand for large flow and small volume of water purifiers.

According to one embodiment of the present invention, the housing is provided with a filter element installation chamber 9, and the filter element installation chamber 9 communicates with the inlet 10, and filter elements such as the main filter element 1 and the pre-filter element 8 can be pushed into the filter element installation chamber 9 through the side inlet 10, and the filter element The outer wall of the installation chamber 9 is formed with a groove 11, and the locking assembly 2 is arranged in the groove 11, and the locking assembly 2 is located on both sides of the inlet 10, and is used for locking or releasing the main filter element 1, so as to realize quick replacement of the filter element. Effect: The angle a between the center 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° to 60°, as shown in Figure 4, that is, the two locking assemblies 2 are relatively The whole machine is arranged on a slant, making full use of every available space, improving the compactness of the structure, and further thinning the thickness of the whole machine, especially suitable for cabinets with small spaces. It can be understood that the locking assembly 2 of the present invention is also suitable for locking the pre-filter element 8 , and the locking method is the same as that of the main filter element 1 .

According to one embodiment of the present invention, as shown in Figure 3, a frame 12 is provided in the housing, and the frame 12 is provided with a correspondingly connected filter element installation chamber 9 and an inlet 10, and the filter elements such as the main filter element 1 and the pre-filter element 8 are all Cylindrical, correspondingly, the filter element installation chamber 9 is cylindrical, so that between the topmost filter element installation chamber 9 and the top case 6, between the bottommost filter element installation chamber 9 and the bottom case 7, and between two adjacent filter element installation chambers 9 are constructed with a groove 11, the locking assembly 2 can be arranged in the groove 11, and the center line of the two locking assemblies 2 corresponding to each filter element and the horizontal plane of the central axis of the filter element installation chamber 9 The included angle a is 45°, which not only ensures that the locking component 2 can effectively lock the filter element, but also prevents the thickness of the frame from increasing, thereby ensuring that the thickness of the whole machine is ultra-thin, and the shell thickness of the water purifier is basically close to that of The maximum thickness of the frame 12 is as shown in FIG. 4 .

According to an embodiment of the present invention, as shown in Figure 3, the water purifier of the present invention also includes a water channel plate 13, which is arranged in the housing along the vertical direction, which can further reduce the thickness of the whole machine and achieve ultra-thin Purpose; and multiple waterways with different functions can be formed in the waterway plate 13, and multiple waterways are integrated, which can reduce the number of water pipe lines, make the connection structure of the whole machine more concise, and help further reduce the volume of the whole machine.

According to an embodiment of the present invention, the filter elements such as the pre-filter element 8 and the main filter element 1 are all arranged on the same side of the water channel plate 13 and connected to the water channel of the water channel plate 13, and the side of the water channel plate 13 facing away from the filter element is provided with a functional module 14 The functional module 14 may include control valves such as tap water inlet solenoid valves, drinking water solenoid valves, waste water solenoid valves, etc., for controlling and regulating the flow of waterways. Specifically, the water treated by different filter elements can flow into waterways with different functions, such as running water, drinking water, waste water and so on.

According to an embodiment of the present invention, the front case 3 can be a decorative cover, so as to improve the aesthetics of the whole machine, and further improve user experience.

According to an embodiment of the present invention, as shown in FIG. 2 , the water channel plate 13 is provided with a water inlet and outlet interface 15 , and the water inlet and outlet interface 15 protrudes from the rear shell 4 and is mainly used for connecting external network pipelines.

According to one embodiment of the present invention, as shown in Figure 3, Figure 6 and Figure 7, the water purifier also includes a water pump 16, the water pump 16 is arranged at the bottom of the housing, and the water pump 16 is juxtaposed with the main filter element 1 along the height direction of the housing Through this design, the volume of the whole machine can be further reduced. In some other embodiments, the water pump 16 can also be arranged on the top of the housing, which can be designed according to actual working conditions.

According to an embodiment of the present invention, as shown in FIG. 3 , a support portion 238 is provided between the water pump 16 and the adjacent main filter element 1 , specifically, between the water pump 16 and the filter element installation chamber 9 of the adjacent main filter element 1 A supporting part 238 is provided, and the supporting part 238 is a part of the frame 12, and the thickness of the supporting part 238 is at least not less than 2.5 mm, so as to ensure the supporting strength and good force-releasing and energy-dissipating effect. Specifically, on the one hand, the support to the main filter element 1 can be improved; on the other hand, the water pump 16 and the filter element installation chamber 9 of the main filter element 1 are as close as possible to the support portion 238, so that the structure is more compact, thereby reducing the vertical height , the overall volume is smaller; and due to the vibration of the water pump 16, it will affect the main filter element 1. By setting the support part 238, the vibration force generated by the water pump 16 can be dispersed, and the force can be unloaded, reducing its excessive impact on the main filter element 1. interference, prevent the main filter element 1 from leaking due to vibration, and avoid the occurrence of water leakage events, thereby effectively protecting the main filter element 1.

In the related technology, the water pump is provided with water inlet pipes and water outlet pipes on the left and right sides. In order to facilitate the pipe routing, the water pump needs to be matched with two quick-connect elbows, which will significantly increase the width of the water pump, and the cost is high. If the whole machine Using this kind of water pump will easily cause the thickness or height of the whole machine to increase accordingly.

In order to solve the above technical problems, as shown in Figure 6 and Figure 7, the embodiment of the present invention provides a water pump 16, the end of the water pump 16 is provided with a water inlet pipe 17 and a water outlet pipe 18, and the water inlet pipe 17 and the water outlet pipe 18 are arranged along the axial direction Arranged in parallel, not only can the width of the water pump 16 be significantly reduced, for example, by 50 mm, but also the pipe routing is very convenient; and the water inlet pipe 17 and the water outlet pipe 18 are connected to the waterway of the water circuit board 13, and the water pump 16 can drive water in the The water flows in the waterway and enters different filter elements, through which the water is filtered, and the filtered water flows out through the waterway of the waterway plate 13 .

According to one embodiment of the present invention, as shown in Fig. 3 and Fig. 7, the two ends of the water pump 16 are covered with shock-absorbing silica gel pads 19 respectively, and the two shock-absorbing silica gel pads 19 and the water pump 16 are placed on the bottom of the frame 12 for pre-installation. In the remaining semicircular water pump groove, the water pump 16 and the two damping silica gel pads 19 are closed by the water pump cover 20 at last, so as to reduce the vibration noise generated when the water pump 16 is in operation.

According to an embodiment of the present invention, as shown in FIG. 3 , the water purifier further includes a control board 21 located at the bottom of the housing for controlling the filtration process of the whole machine.

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

As shown in FIGS. 8-22 , the locking assembly 2 of the embodiment of the present invention mainly includes: a lock body 201 , a lock catch 202 and a push rod 207 . Wherein, the lock body 201 is arranged on the filter element installation chamber 9 of the housing and is located on both sides of the inlet 10, the lock catch 202 is rotatably arranged on the lock body 201, and a first elastic member 203 is arranged between the lock catch 202 and the lock body 201 The left and right sides of the lock catch 202 are oppositely provided with a rotating part 204 and a locking part 205. The rotating part 204 of the lock catch 202 is rotatably connected with the lock body 201 to realize hinged connection. The first abutting portion 206 .

The push rod 207 is slidably arranged on the side of the lock body 201 along the vertical direction of the central axis of the rotating part 204 of the lock catch 202. The portion 208 is set corresponding to the first abutting portion 206 of the lock catch 202, and the second abutting portion 208 of the push rod 207 is suitable for pushing the first abutting portion 206 of the lock catch 202 to move along the stretching direction of the first elastic member 203 , so that the locking part 205 of the locking buckle 202 is switched between the locked state and the released state, and then the main filter element 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 outward, that is, the locking portion 205 of the lock catch 202 faces toward the Move in the direction close to the lock body 201 to realize release; when the second abutting portion 208 of the push rod 207 slides to separate from the first abutting portion 206, under the force of the first elastic member 203, the latch 202 The locking part 205 moves away from the lock body 201 to achieve locking. In this example, the first elastic member 203 may be a spring, and correspondingly, the active force of the first elastic member 203 is the elastic force generated by the spring.

According to an embodiment of the present invention, "the second abutting portion 208 is arranged corresponding to the first abutting portion 206" mentioned here can also be understood as: in the locked state, the second abutting portion 208 of the push rod 207 is located Above the first abutting portion 206 of the lock catch 202, as shown in FIG. Push it outward, as shown in Figure 22.

According to the locking assembly 2 of the embodiment of the present invention, the lock catch 202 is provided with a rotating part 204 and a locking part 205 which are arranged oppositely, and the rotating part 204 is rotatably connected with the lock body 201 to realize the locking of the lock catch 202 on the lock body 201. Rotate, a first elastic member 203 is provided between the lock body 201 and the lock catch 202. Under the force of the first elastic member 203, the initial state of the lock catch 202 can be locked. The push rod 207 slides along the vertical direction of the central axis of the rotating part 204, and the second abutment part 208 of the push rod 207 can push the first abutment part 206 of the lock 202 to move along the direction in which the first elastic member 203 expands and contracts. Thus, the first abutting portion 206 is pushed outward, and then the locking portion 205 of the lock catch 202 is moved outward toward the direction close to the lock body 201, and switched to the released state; When the second abutting portion 208 slides to abut against the first abutting portion 206, the first abutting portion 206 can be pushed outward, that is, the locking portion 205 of the lock catch 202 moves toward the direction close to the lock body 201, realizing Loosen; when the second abutting portion 208 of the push rod 207 slides to separate from the first abutting portion 206, under the force of the first elastic member 203, the locking portion 205 of the lock catch 202 moves away from the lock body 201 Move in the direction to achieve locking. Therefore, when using the locking assembly 2 of the present invention, it is only necessary to push the push rod 207 to switch between the locked state and the loosened state, thereby enabling easy and convenient core replacement, which improves the efficiency of core replacement and also improves the User experience.

According to one embodiment of the present invention, as shown in FIG. 8 , the second end of the push rod 207 away from the second abutting portion 208 is provided with a second elastic member 209 , under the force of the second elastic member 209 , when the push rod 207 Sliding reset, at this time, the second abutting portion 208 of the push rod 207 is separated from the first abutting portion 206 of the lock 202 , and under the force of the first elastic member 203 , the lock 202 is reset to a locked state. In the present invention, by setting the second elastic member 209, it is convenient for the push rod 207 to slide and return to switch the state. In this example, the second elastic member 209 may be a spring, and correspondingly, the force of the second elastic member 209 is the elastic force generated by the spring.

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

The push rod 207 is also provided with a connecting portion 212 and a sliding shaft 213, the connecting portion 212 is arranged radially along the push rod 207, and the first end of the connecting portion 212 is connected with the second end of the pushing rod 207, and the connecting portion 212 is located at the first mounting position. part 210 and the second mounting part 211; the sliding shaft 213 is connected to the second end of the connecting part 212, and the sliding shaft 213 and the push rod 207 are parallel to each other, specifically, the sliding shaft 213 is along the distance away from the second abutting part 208 direction, the sliding shaft 213 can be slidably installed in the guide hole 214 of the first installation part 210; contact with the connecting portion 212 . In the locked state, under the force of the second elastic member 209, the connecting portion 212 abuts against the second mounting portion 211, and in the released state, the second elastic member 209 is in a compressed state due to being pushed by the push rod 207, The connection part 212 is separated from the second installation part 211 .

According to one embodiment of the present invention, as shown in Figure 9 and Figure 13, the second installation part 211 of the lock body 201 is arranged adjacent to the first contact part 206 of the lock catch 202, and the connecting part 212 of the push rod 207 is provided with a positioning protrusion. The platform 215 and the second mounting portion 211 of the lock body 201 are provided with a positioning hole 216 , and the positioning hole 216 is adapted to the positioning boss 215 . In the locked state, under the force of the second elastic member 209, the positioning boss 215 can be snapped into the positioning hole 216 to position the push rod 207 and improve its stability; in the released state, the second elastic member 209 is in a compressed state due to being pushed by the push rod 207 , and the positioning boss 215 can break away from the positioning hole 216 .

According to an embodiment of the present invention, as shown in FIG. 10 , the outer end of the first installation part 210 of the lock body 201 may or may not be connected to the outer end of the second installation part 211 . In this example, the outer end of the first installation part 210 is connected with the outer end of the second installation part 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 to facilitate the passage of the push rod 207 and avoid interference with the sliding of the push rod 207 .

According to an embodiment of the present invention, as shown in FIG. 9 and FIG. 10 , the other side of the lock body 201 relative to the push rod 207 is provided with a limit bracket 239 , in other words, the lock body 201 relative to the first installation part 210 The other side is provided with a limit bracket 239, and the quantity of the limit bracket 239 is not particularly limited. position groove, by inserting the limit bracket 239 into the limit groove, the position limit of the locking assembly 2 can be realized, misalignment can be avoided, and the pressure-resistant locking ability can be ensured, so that the filter elements such as the main filter element 1 and the pre-filter element 8 are not easy to out, thereby avoiding the occurrence of water leakage.

According to an embodiment of the present invention, as shown in FIGS. 11-13 , the first abutment portion 206 of the lock 202 is provided with an abutment groove 217 , and the second abutment portion 208 of the push rod 207 is provided with an abutment groove 217 . 217 to cooperate with the first abutting wall 218. Specifically, in the locked state, under the force of the second elastic member 209, the first abutting portion 206 is separated from the second abutting portion 208, and correspondingly, the first abutting wall 218 breaks away from the abutting groove 217, as As shown in Figure 14; in the loosened state, the second elastic member 209 is in a compressed state due to the thrust of the push rod 207, the first abutting portion 206 abuts against the second abutting portion 208, and the first abutting wall 218 is locked into the abutting groove 217, so that the buckle 202 is pushed away, as shown in FIG. 15 . Therefore, the first abutting wall 218 can correspondingly snap into or disengage from the abutting groove 217 according to the locked or released state.

According to an embodiment of the present invention, as shown in FIG. 13 , the first abutment wall 218 of the second abutment portion 208 of the push rod 207 includes a first wall 219 and a second wall 220, and the first wall 219 and the second wall 220 is an integrally formed structure, the first wall 219 is suitable for abutting against the end face of the abutting groove 217 of the first abutting portion 206 of the lock 202 , and the second wall 220 is suitable for abutting against the abutting groove 217 of the first abutting portion 206 The inner wall abuts. Specifically, during the opening process, the first wall 219 first abuts against the end surface of the abutting groove 217 to initially push away the lock catch 202, corresponding to the handle lifting state shown in FIG. The central axis is set obliquely; continue to lift the handle 225, and then the second wall 220 abuts against the inner wall of the abutment groove 217 to completely release the lock 202, corresponding to the lifting state of the handle shown in Figure 20. At this time, the handle 225 is along the main filter element 1 The central axis is set so that the handle 225 is evenly stressed along the central axis of the main filter element 1, so that the entire main filter element 1 can be pulled out of the filter element installation chamber 9 relatively smoothly, preventing the main filter element 1 from being collided during the removal process, and then a good The main filter element 1 is protected.

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

According to an embodiment of the present invention, as shown in FIGS. 8-12 , the lock body 201 is formed with an accommodating cavity 221 , and the lock catch 202 is rotatably disposed in the accommodating cavity 221 . Specifically, the part of the first elastic member 203 and the locking buckle 202 with the rotating part 204 is disposed in the accommodating cavity 221 , and the other part of the locking buckle 202 having the first abutting part 206 and the locking part 205 extends in the accommodating cavity 221 In addition, the present invention can avoid interference with the rotation of the locking portion 205 of the locking buckle 202 through this design, so that the locking buckle 202 can rotate better.

According to one embodiment of the present invention, as shown in Figure 9 and Figure 10, the opening side edge of the accommodation cavity 221 of the lock body 201 is provided with a limiting part 223; as shown in Figure 12, the inner edge of the lock 202 is provided with a limiting part The slot 222 and the limiting portion 223 are adapted to the limiting slot 222 , and are used for limiting the rotation of the latch 202 . Specifically, when the lock catch 202 is set in the accommodating cavity 221 of the lock body 201, the limiting part 223 can be snapped into the limiting groove 222, so that the lock catch 202 can rotate at a certain rotation angle in the accommodating cavity 221, preventing The locking buckle 202 is separated from the accommodating cavity 221 under the force of the first elastic member 203, and the overall assembly performance is improved. Wherein, the rotation angle of the lock catch 202 can be designed according to actual working conditions.

According to an embodiment of the present invention, as shown in FIG. 10 , a rotating slot 234 is provided on the left side of the accommodating cavity 221 of the lock body 201 for connecting with the rotating part 204 of the lock catch 202 to facilitate the lock catch 202 to rotate. In this example, the rotating part 204 is a rotating shaft.

According to one embodiment of the present invention, as shown in Fig. 10 and Fig. 11, the accommodating cavity 221 of the lock body 201 is provided with a first positioning groove 231 on the right side close to the locking part 205; the lock catch 202 is provided with a second positioning groove 232 , the second positioning groove 232 is arranged opposite to the first positioning groove 231, and the two ends of the first elastic member 203 are respectively arranged in the first positioning groove 231 and the second positioning groove 232, so as to realize the positioning of the first elastic member 203, and By arranging the first elastic member 203 close to the locking portion 205, a force can be better applied to the lock buckle 202, so as to improve the locking effect.

According to an embodiment of the present invention, as shown in FIG. 9 , the lock body 201 of the present invention is further provided with a third mounting portion 224 on the left side 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 on the filter element mounting chamber 9 through fasteners such as bolts, so as to realize the overall assembly of the locking assembly 2 . In this example, there are two fastening holes 235, and other numbers are also possible.

According to an embodiment of the present invention, the third installation part 224 is also provided with a limit hole 240, and the filter element installation chamber 9 is provided with a limit post that matches the limit hole 240. The position posts are connected to realize the positioning of the lock body 201, and then fixed by fasteners such as bolts. Through this arrangement, the present invention can further improve the stability of the locking assembly 2, further improve the locking ability of the filter element, ensure the stability of the filter element, and avoid the occurrence of water leakage events. In this example, there are two limiting holes 240, and other numbers may also be used.

The working principle of the locking assembly 2 in the above-mentioned embodiment of the present invention will be roughly described below, mainly including the locked state and the released state.

Locked state: as shown in FIG. 14 , under the 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 buckle 202, and the first elastic member Under the force of 203 , the lock catch 202 is away from the lock body 201 , and the locking is realized through the locking part 205 .

Released state: as shown in Figure 15, push the push rod 207 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 buckle 202, and then compresses the first The elastic member 203 drives the buckle 202 to rotate outward toward the lock body 201 to achieve release.

Therefore, the locking assembly of the embodiment of the present invention has the characteristics of simple structure, convenient use, fast locking and loosening. When applied to the filter element, the locking of the filter element can be realized, and the replacement efficiency of the filter element can be improved.

According to an embodiment of the present invention, as shown in Figures 16-22, locking grooves 226 are respectively provided on both sides of the end of the main filter element 1, and the locking part 205 of the lock buckle 202 is provided correspondingly to the locking grooves 226; The embodiment of the invention also includes a handle 225, the rotating end of the handle 225 is rotatably connected to the end of the main filter element 1, and 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, specifically Yes, the second abutment part 208 is located below the push part 227; the handle 225 has a buckle position and a lift position, when the handle 225 is in the buckle position, it corresponds to the locked state of the locking assembly 2, at this time, the lock 202 The locking part 205 of the handle 225 can be snapped into the locking groove 226, as shown in Figure 21; when the handle 225 is in the lifting position, corresponding to the released state of the locking assembly 2, the pushing part 227 of the handle 225 pushes the push rod downward The second abutting portion 208 of 207 makes the second abutting portion 208 push away the first abutting portion 206 of the buckle 202, so that the locking portion 205 of the buckle 202 breaks away from the locking groove 226, as shown in FIG. 22 Show.

According to the locking assembly 2 of the embodiment of the present invention, the lock body 201 is rotated by the lock catch 202, and a first elastic member 203 is provided between the lock body 201 and the lock catch 202. Under the force of the first elastic member 203, The initial state of the lock catch 202 can be locked. By sliding the push rod 207 on the side of the lock body 201 along the vertical direction of the central axis of the rotating part 204, the second abutting portion 208 of the push rod 207 can push the lock catch 202. The first abutting portion 206 is moved along the stretching direction of the first elastic member 203, so that the first abutting portion 206 is pushed outwards, and then the locking portion 205 of the lock catch 202 is moved toward the lock body 201. Move outward to switch to released state.

Please continue to refer to FIG. 18 and FIG. 21 , when the handle 225 is in the engaged position, the pushing portion 227 of the handle 225 is separated from the second abutting portion 208 of the push rod 207 , and under the force of the second elastic member 209, push The second abutting portion 208 of the rod 207 is separated from the first abutting portion 206 of the lock 202 , at this time, the locking portion 205 of the lock 202 is snapped into the locking groove 226 under the force of the first elastic member 203 , Realize locking; as shown in Fig. 19, Fig. 20 and Fig. 22, when the handle 225 is in the lifting position, the pushing part 227 of the handle 225 abuts against the second abutting part 208 of the push rod 207, and the pushing part 227 pushes down The second abutting portion 208 compresses the second elastic member 209. At the same time, the second abutting portion 208 pushes away the first abutting portion 206 of the buckle 202, compresses the first elastic member 203, and then makes the lock of the buckle 202 The tightening part 205 is disengaged from the locking groove 226 to realize loosening, and then the handle 225 on the main filter element 1 is pulled outward, and the main filter element 1 can be taken out.

And in the specific opening process, the first wall 219 of the second abutting portion 208 of the push rod 207 first abuts against the end surface of the abutting groove 217 of the first abutting portion 206 of the lock catch 202 to initially push the lock catch 202 away, The handle 225 is in the tilted lifting state shown in FIG. 19; continue to lift the handle 225, and 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 fully unlock the lock Buckle 202, the handle 225 is in the horizontal lifting state shown in Figure 20, at this time the main filter element 1 can be pulled out from the filter element installation chamber 9 through the handle 225, after the main filter element 1 is taken out, the first elastic member in the locking assembly 2 203 will reset the buckle 202 to the locked state through an active force, and the second elastic member 209 will reset the push rod 207 to the locked state through an active force.

According to one embodiment of the present invention, as shown in Figure 16 and Figure 17, the handle 225 is semicircular, and the two ends of the handle 225 are rotating ends, and the two rotating ends of the handle 225 are respectively provided with a rotating shaft 236, and the main filter element 1 Rotation holes 237 are respectively provided on both sides of the end of the handle, and the rotation shaft 236 is connected with the rotation holes 237 to realize the rotation of the handle 225 .

According to one embodiment of the present invention, as shown in Fig. 12 and Fig. 17, the back side (bottom) of the handle 225 is provided with a stop groove 228, and the side surface of the buckle 202 is provided with a stop part 229, and the stop part 229 is connected to the first An abutting portion 206 is respectively located on the upper and lower opposite sides of the latch 202 . Specifically, when the handle 225 is in the fastening position, the stopper 229 can be snapped into the stop groove 228 of the handle 225 to limit the rotation of the buckle 202, thereby ensuring locking stability; when the handle 225 is in the lifting position, The stop part 229 can disengage from the stop groove 228 of the handle 225 to realize release. Therefore, the stop portion 229 of the buckle 202 of the present invention can correspondingly snap into or disengage from the stop slot 228 according to the locked or released state.

According to an embodiment of the present invention, as shown in FIG. 8 and FIG. 22 , the 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 at the pushing portion 227 of the handle 225 dorsal side. In this example, the second abutting wall 230 is located below the pushing portion 227 , and the pushing portion 227 of the handle 225 can be separated from or abutted against the second abutting wall 230 of the push rod 207 . Specifically, when the handle 225 is in the engaged position, the pushing portion 227 of the handle 225 is separated from the second abutting wall 230, which is in a locked state; The two abutting walls 230 abut against each other to push the push rod 207, which is now in an open state. In the present invention, by setting the second abutting wall 230, the contact area between the handle 225 and the push rod 207 can be increased, thereby ensuring the pushing performance.

The water purifier of the embodiment of the present invention can push the push rod 207 of the locking assembly 2 through the handle 225 to realize locking and loosening. When the life of the main filter element 1 expires and the filter element needs to be replaced, only the main filter element 1 needs to be replaced. Lift the handle 225 to realize the tripping of the main filter element 1. Pull out the filter element to be replaced, and push the new filter element directly into the filter element installation chamber 9. automatically lock the main filter element 1. It can be understood that the above-mentioned locking method of the main filter element 1 in the present invention is also applicable to the locking of the pre-filter element 8 and other filter elements. Therefore, the present invention can realize easy and convenient core replacement.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (11)

1. A water purifier, comprising:

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 waterways of the at least two main filter elements are arranged in parallel;

the locking component is connected to the inlet of the shell and is suitable for locking or unlocking the main filter element;

the locking assembly includes:

the lock body is arranged at the inlet 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, one end of the lock catch is provided with a rotating part, the other end of the lock catch is provided with a locking part, the rotating part is rotatably connected with the lock body, and the side face of the lock catch is provided with a first abutting part;

The push rod is slidably arranged on the side face of the lock body along the vertical direction of the central axis of the rotating part, a second abutting part is arranged at the first end of the push rod, and the second abutting part is arranged corresponding to the first abutting part and is suitable for pushing the first abutting part to move along the extending and contracting direction of the first elastic piece so as to enable the locking part to lock or unlock the main filter element; 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;

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 pushing part of second butt portion, the handle has the lock position and mentions the position, in the lock position, locking part card is gone into locking groove, in mentions the position, pushing part promotes the second butt portion makes locking part breaks away from locking groove.

2. The water purifier of claim 1, wherein the housing is provided with a cartridge installation chamber, the cartridge installation chamber is communicated with the inlet, a groove is formed on the outer wall of the cartridge installation chamber, the locking components are arranged in the groove and positioned on two sides of the inlet, and a central connecting line of the two locking components forms an included angle of 30-60 degrees with a horizontal plane passing through a central axis of the cartridge installation chamber.

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

the water channel plate is arranged in the shell, and the at least two main filter cores are arranged on the same side of the water channel plate and are connected with the water channel plate.

4. The water purifier of claim 3, further comprising a water pump disposed within the housing and juxtaposed with the at least two main cartridges in a height direction of the 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 minimum;

the end part 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 waterway plate.

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

6. The water purifier of claim 1, wherein the second end of the push rod is provided with a second elastic member for sliding return of the push rod.

7. The water purifier of claim 1, wherein the first abutment portion is provided with an abutment groove, and the second abutment portion is provided with a first abutment wall that can be snapped into or out of the abutment groove.

8. The water purifier of claim 1, wherein the inner edge of the lock catch is provided with a limit groove, and the inner edge of the lock body is provided with a limit part matched with the limit groove.

9. The water purifier of claim 1, wherein the lock body is provided with a limit bracket on the other side of the push rod.

10. The water purifier of claim 1, further comprising a third mounting portion, wherein the third mounting portion is connected to a side of the lock body adjacent to the rotating portion, and the third mounting portion is provided with a limiting hole and a fastening hole.

11. The water purifier of claim 1, wherein a stop groove is provided on a back side of the handle, and a stop portion is provided on the other side of the lock catch opposite to the first abutting portion, and the stop portion can be engaged with or disengaged from the stop groove.

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