Water purifier with filter element convenient to replace

By combining the filter cartridge compartment and sliding groove design of the water purifier with the matching of the automatic rebound push rod and the snap-fit ​​slot, the problem of complex filter cartridge installation is solved, enabling convenient replacement and stable installation of the filter cartridge, reducing maintenance costs and equipment damage risks, and ensuring filtration effect.

CN223732281UActive Publication Date: 2025-12-30HUBEI XIAOGUA ELECTRONIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520114836.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-12-30
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

Existing filter cartridge devices are cumbersome to install and replace, require specialized tools, and are prone to damage, resulting in high maintenance costs and poor filtration performance.

Method used

A water purifier was designed, which adopts a combination structure of filter cartridge groove and sliding groove, combined with a combination structure of automatic rebound push rod and locking slot. Through the filter cartridge groove sliding groove design, combined with the matching design of automatic rebound push rod, buckle and locking slot, the filter cartridge can be easily installed and removed by the inclined surface of the automatic rebound push rod and guide groove. The filter cartridge can be securely installed and easily replaced by the cooperation of spring and buckle.

Benefits of technology

It enables convenient installation and replacement of filter cartridges, reduces maintenance costs, minimizes the risk of equipment damage, ensures filtration effectiveness, and guarantees the stable operation of the water purifier.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223732281U_ABST
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Abstract

The utility model relates to the technical field of filtering equipment, in particular to a water purifier convenient for replacing a filter element. Comprising a water purifier body, a filter element groove, a sliding groove, a filter element, a protruding piece, a water outlet, a buckle, a first chamfer, a base, a water inlet, a first spring, an automatic rebounding push rod arranged in the sliding groove in a sliding mode, a guide groove, a rebounding piece, a supporting rod, a clamping groove, a second chamfer and a rebounding spring. A water inlet of the base is matched with a water outlet of the filter element, a first spring in the water inlet can buffer and assist in alignment, installation is more convenient, an automatic rebound push rod is arranged in a sliding groove, when the automatic rebound push rod is pushed, a guide groove inclined face guides a supporting rod to act, a clamping groove in a rebound piece and a filter element buckle interact through matched chamfers, fixation is easily relieved, and a rebound spring assists the filter element to pop out. The filter element can be simply and conveniently replaced without a special tool.
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Description

TECHNICAL FIELD

[0001] The utility model relates to filter equipment technical field, concretely is a water purifier convenient to replace filter core. BACKGROUND

[0002] It is known that in the liquid filtration technical field, filter core devices are widely used in the filtration and purification process of various liquids, and their performance and operation convenience directly affect the filtration effect and work efficiency.

[0003] Some existing filter core devices have certain inconvenience in the installation and replacement of filter cores. For example, the filter core fixing mode of certain filter core devices is relatively complex, when the filter core needs to be replaced, the operator often needs to use special tools, and the operation steps are tedious, which consumes a long time, which not only increases the maintenance cost of the equipment, but also may cause damage to the equipment or poor filtration effect due to improper operation. TECHNICAL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a water purifier convenient to replace filter core to solve the problems in the above background art.

[0006] (II) Technical scheme

[0007] In order to achieve the above object, the utility model provides following technical scheme: a water purifier convenient to replace filter core, including water purifier main part, filter core groove, sliding groove, filter core, convex piece, water outlet, buckle, first chamfer, base, water inlet, first spring, automatic rebound push rod of slidingly arranged in the sliding groove, guide groove, rebound piece, support rod, clamping groove, second chamfer and rebound spring, the water purifier main part is opened in filter core groove with one end opening and the other end closed, the water purifier main part one side is opened with the sliding groove that the filter core groove is communicated and is parallel, the filter core is detachably arranged in filter core groove, the filter core is away from the filter core groove opening one end of setting and has convex piece, the middle of the convex piece is opened with water outlet, the side wall of the convex piece is provided with buckle, the one side of the buckle is provided with first chamfer, the base is fixedly arranged in the bottom of the filter core groove, the middle of the base is provided with the water inlet that is matched with the water outlet, the middle of the water inlet is equipped with first spring, one end of the first spring is fixed in the inner wall of the water inlet, and the other end is in contact with the end face of the water inlet, one end of the automatic rebound push rod is flush with the opening end of the filter core groove, and the other end is provided with a guide groove, the guide groove is opened with an inclined surface, one end of the rebound piece is provided with a support rod, one end of the support rod is in contact with the guide groove, and the other end is fixed to the side wall of the rebound piece, the middle of the rebound assembly is provided with the clamping groove that is matched with the buckle, the inner wall of the clamping groove is provided with the second chamfer that is matched with the first chamfer, and the rebound piece is provided with rebound spring away from one end of the support rod.

[0008] Preferably, the rebound piece includes a sliding ring that is shaped to fit the base, the sliding ring being slidably disposed on the base, and the clamping groove being formed in the sliding ring.

[0009] Further, the first chamfer and the second chamfer each have an angle of 45°.

[0010] Still further, the inclined surface of the guide groove has an angle of 30°.

[0011] Further, the scheme also includes a partition, a sliding groove, and a second spring, the partition being fixedly disposed in the water purifier main part, the sliding groove being formed in the water purifier main part, the partition being slidably disposed in the sliding groove, one end of the second spring being fixedly disposed on the inner wall of the sliding groove, and the other end of the second spring being fixedly disposed on the partition.

[0012] Based on the foregoing scheme, the scheme further includes a rubber ring, the rubber ring being mounted in the water inlet.

[0013] Based on the foregoing scheme, the scheme further includes a push handle, the push handle being fixedly disposed on the top of the automatic rebound push rod, and one end of the push handle being shaped to fit the outer wall of the filter core.

[0014] (Three) beneficial effects

[0015] The filter cartridge of the water purifier is convenient to replace, the filter cartridge groove and the sliding groove are designed, the filter cartridge can be directly placed in the filter cartridge groove, the water inlet of the base is matched with the water outlet of the filter cartridge, the first spring in the water inlet can buffer and assist alignment, installation is more convenient, the automatic rebound push rod is in the sliding groove, the guide groove slope guides the support rod action when pushing it, the clamping groove on the rebound piece and the filter cartridge buckle interact through matched chamfers, are easily fixed, the rebound spring helps the filter cartridge to pop out, the filter cartridge can be replaced simply without special tools, which not only saves the time and labor of installing and replacing the filter cartridge, reduces the maintenance cost, but also reduces the risk of equipment damage caused by complex operation, guarantees the filtering effect, and ensures stable operation of the water purifier. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a three-dimensional structure schematic view of the filter cartridge of the utility model;

[0018] Figure 3 It is a top view structure schematic view of the filter cartridge of the utility model;

[0019] Figure 4 It is a three-dimensional structure schematic view of the utility model Figure 3 It is a sectional structure schematic view of A-A of the utility model;

[0020] Figure 5 It is a three-dimensional structure schematic view of the buckle disengaging clamping of the utility model;

[0021] Figure 6 It is a three-dimensional structure schematic view of the automatic rebound push rod of the utility model;

[0022] Figure 7 It is a three-dimensional structure schematic view of the filter cartridge of the utility model;

[0023] Figure 8 It is a structure schematic view of the base of the utility model;

[0024] Figure 9 It is a sectional structure schematic view of the base of the utility model;

[0025] Figure 10 It is a three-dimensional structure schematic view of the utility model Figure 9 It is a sectional structure schematic view of B-B of the utility model.

[0026] In the figure: 1, the main body of the water purifier; 2, the filter core groove; 3, the sliding groove; 4, the filter core; 5, the protruding piece; 6, the water outlet; 7, the buckle; 8, the first chamfer; 9, the base; 10, the water inlet; 11, the first spring; 12, the automatic rebound push rod; 13, the guide groove; 14, the rebound piece; 15, the support rod; 16, the clamping groove; 17, the second chamfer; 18, the rebound spring; 19, the sliding ring; 20, the partition; 21, the sliding groove; 22, the second spring; 23, the rubber ring; 24, the push handle; 25, the inclined surface. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Referring to Figures 1-10 , a water purifier convenient for replacing filter cores comprises a main body of the water purifier 1, a filter core groove 2, a sliding groove 3, a filter core 4, a protruding piece 5, a water outlet 6, a buckle 7, a first chamfer 8, a base 9, a water inlet 10, a first spring 11, an automatic rebound push rod 12 slidingly arranged in the sliding groove 3, a guide groove 13, a rebound piece 14, a support rod 15, a clamping groove 16, a second chamfer 17, and a rebound spring 18.

[0029] In the embodiment, referring to Figure 1 and Figure 2 , the main body of the water purifier 1 serves as the basic framework of the whole device and provides a mounting carrier for other components. The filter core groove 2 is open at one end and closed at the other end. A sliding groove 3 is formed in one side of the filter core groove 2 and communicates with the filter core groove 2. The sliding groove 3 provides spatial layout for the installation and operation of the filter core 4 and related components. The filter core groove 2 is located in the main body of the water purifier 1 and is used for accommodating the filter core 4, so that the filter core 4 can be stably installed in the main body of the water purifier 1. The sliding groove 3 is arranged on the main body of the water purifier 1 in communication with and parallel to the filter core groove 2 and provides a sliding track for the automatic rebound push rod 12. The filter core 4 is designed as a cylindrical structure to facilitate disassembly. The outer shell of the filter core 4 is smooth and made of plastic material.

[0030] In the embodiment, referring to Figure 3 , Figure 4 , Figure 5 and Figure 7, the other end of the filter core 4 is provided with a protruding piece 5, the main function of the filter core 4 in the device is to filter the water and remove impurities in the water, the protruding piece 5 is located at the end of the filter core 4 away from the opening, a water outlet 6 is arranged in the middle of the protruding piece 5, which ensures that the water flow can smoothly enter and exit the filter core 4, the water outlet 6 is arranged in the middle of the protruding piece 5, which guides the filtered water to flow out and is a channel for water output, referring to Figure 4 and Figure 5 , the buckle 7 is arranged on the side wall of the protruding piece 5, one side is flat, and the other side is a first chamfer 8 with an angle of 45°, the buckle 7 cooperates with the clamping groove 16 on the rebound piece 14 to realize the fixation and positioning of the filter core 4 in the filter core groove 2, preventing the filter core 4 from moving during work, the first chamfer 8 is located on the angled side of the buckle 7, and the angle is 45°, which has the effect of guiding the buckle 7 to smoothly enter the clamping groove 16 when cooperating with the second chamfer 17 in the clamping groove 16, realizing connection and positioning, the base 9 is fixed at the bottom of the filter core groove 2, referring to Figure 8 , the base 9 is provided with a water inlet 10 matched with the water outlet 6 in the middle, the base 9 provides support for the installation of the entire filter core 4, and at the same time, the water inlet 10 cooperates with the water inlet 10 of the filter core 4 to guide the water flow into the filter core 4 for filtration, the water inlet 10 is in the middle of the base 9 and corresponds to the water inlet 10 on the protruding piece 5 of the filter core 4, providing a channel for the water flow into the filter core 4, so that raw water can flow into the filter core 4 for filtration, referring to Figure 10 , the first spring 11 is arranged in the middle of the water inlet 10, one end is fixed to the inner wall of the water inlet 10, and the other end is in contact with the end face of the water inlet 10, the first spring 11 has the effect of providing a certain buffer and pre-tightening force for the filter core 4 during installation, ensuring the connection between the filter core 4 and the base 9, and assisting the filter core 4 to pop out a certain distance during disassembly, facilitating removal.

[0031] In this embodiment, referring to Figure 6 The automatic rebound push rod 12 is slidably arranged in the sliding groove 3, one end is flush with the opening end of the filter core groove 2, and the other end is provided with a guide groove 13, which has the effect of being able to slide in the sliding groove 3 when a certain external force is applied, and through the cooperation of the guide groove 13 and the supporting rod 15, the rebound piece 14 is pushed to act, and then the buckle 7 and the clamping groove 16 are separated or combined, the guide groove 13 is arranged at the end of the automatic rebound push rod 12 away from the opening end of the filter core groove 2, and an inclined surface 25 with an angle of 30° is arranged on the groove, the guide groove 13 is in contact with the supporting rod 15 through the inclined surface 25, guiding the movement direction of the supporting rod 15, thereby controlling the action of the rebound piece 14, realizing the locking and unlocking operation of the buckle 7, one end of the rebound piece 14 is provided with a supporting rod 15, and the middle is provided with a clamping groove 16 matched with the buckle 7, referring to Figure 9, the rebound spring 18 is arranged at the end of the rebound piece 14 away from the support rod 15, the rebound piece 14 is locked with the buckle 7 through the cooperation of the clamping groove 16, and under the action of the automatic rebound push rod 12, the clamping groove 16 can be separated from the buckle 7 through the movement of the support rod 15, and under the action of the rebound spring 18, the clamping groove 16 can return to the initial position, one end of the support rod 15 is in contact with the guide groove 13, and the other end is fixed to the side wall of the rebound piece 14, the support rod 15 serves as a component for connecting the automatic rebound push rod 12 and the rebound piece 14, the linear movement of the automatic rebound push rod 12 is transmitted to the rebound piece 14, the connection and separation of the buckle 7 and the clamping groove 16 are realized, the clamping groove 16 is located in the middle of the rebound piece 14, and the inner wall is provided with a 45° second chamfer 17 matched with the first chamfer 8, the clamping groove 16 cooperates with the buckle 7 to provide a fixed clamping position for the filter core 4, and the stability of the filter core 4 during work is ensured, and only under specific operation (through the action of the automatic rebound push rod 12 and the like), the clamping groove 16 and the buckle 7 can be separated to allow the filter core 4 to be disassembled, the second chamfer 17 is arranged on the inner wall of the clamping groove 16 and has an angle of 45°, is matched with the first chamfer 8 on the buckle 7, and has the action of guiding and positioning when the buckle 7 enters the clamping groove 16, so that the two can be matched, the rebound spring 18 is arranged at the end of the rebound piece 14 away from the support rod 15, and has the action of providing a restoring force for the rebound piece 14, when the action force of the automatic rebound push rod 12 on the support rod 15 disappears, the rebound spring 18 drives the rebound piece 14 to reset, so that the clamping groove 16 cooperates with the buckle 7 again, and the filter core 4 is ensured to be in a fixed state at all times.

[0032] Firstly, referring to Figure 9 and Figure 10 In the embodiment, the rebound piece 14 comprises a sliding ring 19 matched with the shape of the base 9, the sliding ring 19 is slidable on the base 9, the clamping groove 16 is arranged on the sliding ring 19, and the sliding ring 19 can move on the base 9, so that the clamping groove 16 can cooperate with or separate from the buckle 7 on the side wall of the protruding piece 5 of the filter core 4, so as to realize the fixing and unlocking of the filter core 4.

[0033] Then, referring to Figure 2 In the embodiment, the automatic rebound push rod 12 further comprises a partition plate 20, a sliding groove 21 and a second spring 22, the partition plate 20 is fixedly arranged in the water purifier body 1 and serves as a carrier for resetting the automatic rebound push rod 12, the sliding groove 21 is arranged on the water purifier body 1 and is used for fixing the second spring 22, the partition plate 20 is slidably arranged with the sliding groove 21 and is used for compressing the second spring 22 when the automatic rebound push rod 12 is pressed, one end of the second spring 22 is fixedly arranged with the inner wall of the sliding groove 21, and the other end of the second spring 22 is fixedly arranged with the partition plate 20, and after the pressing of the automatic rebound push rod 12 is released, the elastic potential energy of the second spring 22 cooperates with the partition plate 20 to drive the automatic rebound push rod 12 to reset.

[0034] Secondly, referring to Figure 10In the embodiment, the rubber ring 23 is further included, which has elasticity and sealing property, is installed in the water inlet 10, can fill the gap between the water inlet 10 and the water inlet end of the filter element 4, prevents water flow from leaking at the water inlet 10, ensures that the water flow can be filtered by flowing into the filter element 4, and improves the sealing performance and water flow transmission efficiency of the whole device.

[0035] Finally, referring to Figure 6 In the embodiment, the push handle 24 is further included, which is fixedly arranged at the top of the automatic rebound push rod 12, one end of the push handle 24 is matched with the outer wall of the filter element 4, so that the user can push the automatic rebound push rod 12 by directly pressing the push handle 24 during operation, and the automatic rebound push rod 12 can be guided to move by the matched relationship between the push handle 24 and the outer wall of the filter element 4 during the pressing process, so as to ensure the cooperation with other components, thereby realizing the unlocking or fixing operation of the filter element 4.

[0036] Working principle:

[0037] Firstly, the worker holds the filter element 4, aligns the bottom of the filter element 4 with the filter element groove 2 at the top of the water purifier main body 1, and then vertically inserts the filter element 4 into the filter element groove 2, at this time, the buckles 7 on both sides of the bottom of the filter element 4 are first passed over the base 9 as the filter element 4 descends, and then the filter element 4 is continuously inserted downwards until the filter element 4 reaches the appropriate position, at this time, the buckles 7 are located on the rebound member 14, the push handle 24 at the top of the automatic rebound push rod 12 is manually pressed, the automatic rebound push rod 12 slides downwards in the sliding groove 3, the slope 25 is arranged on the guide groove 13 at the bottom of the automatic rebound push rod 12, and the slope 25 is slidably arranged with the support rod 15, when the automatic rebound push rod 12 slides downwards, the slope 25 contacts the support rod 15 to generate a horizontal component force, which pushes the support rod 15 to move horizontally, the support rod 15 drives the sliding ring 19 fixedly connected therewith to slide horizontally in the base 9, the second chamfer 17 moves towards the buckle 7, and finally is clamped with the buckle 7 to further fix the filter element 4, during the sliding process of the sliding ring 19, the rebound spring 18 is compressed, and the elastic force of the rebound spring 18 helps to keep the second chamfer 17 tightly clamped with the buckle 7 after the filter element 4 is installed, thereby enhancing the firmness of the filter element 4.

[0038] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A water purifier with an easy-to-replace filter element, characterized in that, It includes: The water purifier body (1) is provided with a filter core groove (2) with one open end and the other closed end. The water purifier body (1) is provided with a sliding groove (3) parallel to the filter core groove (2) on one side. The filter core (4) is detachably arranged in the filter core groove (2). The filter core (4) is provided with a protruding piece (5) away from the opening end of the filter core groove (2). The protruding piece (5) is provided with a water outlet (6) in the middle. The side wall of the protruding piece (5) is provided with a buckle (7). The first chamfer (8) is arranged on one side of the buckle (7). The base (9) is fixedly arranged at the bottom of the filter core groove (2). The base (9) is provided with a water inlet (10) matched with the water outlet (6) in the middle. The first spring (11) is arranged in the middle of the water inlet (10). One end of the first spring (11) is fixedly arranged on the inner wall of the water inlet (10). The other end of the first spring (11) is in contact with the end face of the water inlet (10). The automatic rebound push rod (12) is slidingly arranged in the sliding groove (3). One end of the automatic rebound push rod (12) is flush with the opening end of the filter core groove (2). The other end of the automatic rebound push rod (12) is provided with a guide groove (13). The guide groove (13) is provided with an inclined surface (25). The rebound piece (14) is provided with a support rod (15) at one end. One end of the support rod (15) is in contact with the guide groove (13). The other end of the support rod (15) is fixedly arranged on the side wall of the rebound piece (14). The rebound piece (14) is provided with a clamping groove (16) matched with the buckle (7) in the middle. The inner wall of the clamping groove (16) is provided with a second chamfer (17) matched with the first chamfer (8). The rebound piece (14) is provided with a rebound spring (18) away from one end of the support rod (15).

2. The water purifier with filter cartridge replacement facilitation according to claim 1, characterized in that, The rebound piece (14) includes: The sliding ring (19) is matched with the shape of the base (9). The sliding ring (19) is slidingly arranged on the base (9). The clamping groove (16) is arranged on the sliding ring (19).

3. The water purifier with filter cartridge replacement facilitation of claim 1, wherein: The angles of the first chamfer (8) and the second chamfer (17) are both 45°.

4. The water purifier with filter cartridge replacement facilitation of claim 1, wherein The angle of the inclined surface (25) of the guide groove (13) is 30°.

5. The water purifier with filter cartridge replacement facilitation of claim 1, wherein It also includes: The partition plate (20) is fixedly arranged in the water purifier body (1). The sliding groove (21) is arranged on the water purifier body (1). The partition plate (20) is slidingly arranged with the sliding groove (21). And One end of the second spring (22) is fixedly arranged with the inner wall of the sliding groove (21). The other end of the second spring (22) is fixedly arranged with the partition plate (20).

6. The water purifier with filter cartridge replacement facilitation of claim 2, wherein It also includes: The rubber ring (23) is installed in the water inlet (10).

7. The water purifier with filter cartridge replacement facilitation of claim 1, wherein It also includes: The push handle (24) is fixedly arranged on the top of the automatic rebound push rod (12). One end of the push handle (24) is matched with the shape of the outer wall of the filter core (4).