CN113274801A

CN113274801A - Locking structure for water purification filter element

Info

Publication number: CN113274801A
Application number: CN202110685330.9A
Authority: CN
Inventors: 刘冲; 章晓华; 孙跃年; 刘炜
Original assignee: Hangzhou Haina Environmental Protection Technology Co ltd
Current assignee: Hangzhou Haina Environmental Protection Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-08-20

Abstract

The invention discloses a locking structure for a water purification filter element, wherein the filter element comprises a filter element seat, a filter assembly inserted on the filter element seat and a sleeve sleeved on the filter element seat; the locking structure comprises a buckle which is fixedly connected on the filter element seat; a recess disposed at an end of the filter assembly; a core withdrawing structure; the buckle is provided with a clamping jaw matched with the groove; the sleeve is connected to the buckle in a sliding mode; move back the core structure including setting up the spout of sleeve week side, setting are in on the buckle with the slider of spout looks adaptation, setting are in on the slider and arrange in the sleeve outside move back the core piece and set up slide week side with move back the convex rail of core piece looks adaptation. The method is used by matching the buckling structure, the groove structure and the core withdrawing structure. So that the disassembly is convenient, and the assembly and the replacement are easy.

Description

Locking structure for water purification filter element

Technical Field

The invention relates to the field of water purification filter elements, in particular to a locking structure for a water purification filter element.

Background

The water purification filter element generally refers to a water purifier filter element, and a filter assembly is often required to be replaced in the use process of the water purification filter element; this requires a locking and easy-to-disassemble design of the filter assembly; among the prior art, it is inconvenient to change in the use, and modes such as similar threaded connection carry out the rotation operation of screw thread in limited space, dismantle very inconvenient.

For example, the Chinese patent document discloses an automatic water locking water purification filter element, which is published under the publication number CN 208898531U. In the patent, the automatic water locking water purification filter element belongs to the field of water purification systems and comprises a top cover, a connecting cover and a shell, wherein the shell is in threaded connection with the connecting cover, and the connecting cover is clamped with the top cover; the improved water-saving water dispenser is characterized in that a water inlet and a water outlet are formed in the side face of the top cover, the shell comprises a cylinder and a circular boss, a through hole is formed in the circular boss, a silica gel gasket is connected to the top of the through hole, the silica gel gasket is connected with the water outlet, a water through hole is formed in the cylinder in a winding mode of the circular boss, a gasket is connected to the table arm of the circular boss, and the gasket is in contact with the inner wall of the connecting cover to close the water through hole and a water inlet channel. In this patent, the casing passes through threaded connection with the connection lid, and it is inconvenient to use, and in the screw thread use, the condition of twisting off partially appears easily, is unfavorable for using.

Disclosure of Invention

In order to solve the technical problem, the invention provides a method for matching and using a buckle, a groove and a core withdrawing structure; so that the disassembly is convenient and the installation and the replacement are easy.

In order to solve the technical problems, the invention is realized by the following technical scheme:

a locking structure for a water purification filter element is disclosed, wherein the filter element comprises a filter element seat, a filter assembly inserted on the filter element seat and a sleeve sleeved on the filter element seat; the locking structure comprises a buckle which is fixedly connected on the filter element seat; a recess disposed at an end of the filter assembly; a core withdrawing structure; the buckle is provided with a clamping jaw matched with the groove; the sleeve is connected to the buckle in a sliding mode; move back the core structure including setting up the spout of sleeve week side, setting are in on the buckle with the slider of spout looks adaptation, setting are in on the slider and arrange in the sleeve outside move back the core piece and set up slide week side with move back the convex rail of core piece looks adaptation. When the filter assembly is installed, the filter assembly to be installed is required to be inserted into the filter element seat, in the inserting process, the clamping jaws on the buckles are supported to the periphery under the action of the end portions of the filter assembly, and along with the inserting process, the clamping jaws are clamped in the grooves until the clamping jaws are clamped in the grooves, so that the filter assembly is installed in place, and the filter assembly is stable in structure and convenient to use; when the filter assembly needs to be replaced or disassembled, the replacement can be completed through the core withdrawing structure; the filter component can be disassembled or replaced by controlling the core-removing block through the sliding chutes on the peripheral side of the sleeve, the core-removing block is connected with the inner side and the outer side of the sleeve through the sliding block and the buckle, meanwhile, the periphery of the sliding chute is also provided with a convex rail matched with the core-withdrawing block, when in use, the sleeve is moved, the sliding block moves in the sliding chute through the movement of the sleeve, in the moving process, the core removing block connected with the slide block moves along the convex rail, and under the action of the convex rail, the core removing block is propped open towards the periphery, meanwhile, the clamping buckle connected with the sliding block is driven, namely the clamping jaw on the clamping buckle is spread outwards, at the moment, the clamping jaw is separated from the groove, the filtering component is disassembled, thereby change, easy operation, and convenient to use, the above-mentioned filtering component of ability quick assembly disassembly provides work efficiency, uses also very convenience in narrow space simultaneously.

Further, the chute is opened downwards. At this time, the sleeve is pushed downward when the filter assembly is disassembled.

Further, the opening of the sliding groove is upward. At this time, the sleeve is pushed upward when the filter assembly is disassembled.

Further, the locking structure further comprises an ejection structure arranged on the filter element seat. When above-mentioned jack catch left above-mentioned recess, lost the locking, under the effect of popping out the structure, can pop out the filter assembly that needs to be dismantled, convenient dismantlement.

Furthermore, the pop-up structure comprises a pop-up rod fixedly connected with the filter element seat through an elastic element and a pop-up hole which is arranged on the end surface of one side, close to the groove, of the filter assembly and matched with the pop-up rod. When above-mentioned filter assembly installation locking, above-mentioned elastic element is in compression state, has a supporting force to above-mentioned filter assembly, has further guaranteed the stability of locking, and when dismantling above-mentioned filter assembly, above-mentioned filter assembly pops out simple structure, uses reliably simultaneously above-mentioned elastic element of compression state can be fine.

Furthermore, one end of the filtering component, which is close to the groove, is provided with a chamfer. When the installation, make things convenient for above-mentioned filter assembly to strut above-mentioned jack catch, made things convenient for the installation.

Furthermore, one side of the clamping jaw close to the filtering component is a curved surface. The filter assembly is convenient to enter and mount.

Compared with the prior art, the invention has the advantages that: the disassembly is convenient, and the installation and the replacement are easy.

Drawings

FIG. 1 is a three-dimensional schematic of the present invention.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is a schematic view of the structure of the buckle and the filter element seat of the invention.

FIG. 4 is a schematic view of the construction of the buckle and filter assembly of the present invention.

Fig. 5 is an enlarged view of a point a in fig. 1.

Fig. 6 is an enlarged view at B in fig. 2.

In the figure:

1. a filter element seat; 2. a filter assembly; 3. a sleeve; 4. buckling; 5. a groove; 6. a claw; 7. a chute; 8. a slider; 9. removing the core block; 10. a raised rail; 11. a pop-up structure; 12. an elastic element; 13. ejecting the rod; 14. an ejection hole; 15. and (6) chamfering.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, 2, 3, 4, 5 and 6, an embodiment of a locking structure for a water purification cartridge according to the present invention is shown, in which the cartridge includes a cartridge seat 1, a filter assembly 2 inserted into the cartridge seat 1, and a sleeve 3 sleeved on the cartridge seat 1; the locking structure comprises a buckle 4, a groove 5 and a core withdrawing structure, and the buckle 4 is fixedly connected to the filter core seat 1; the groove 5 is arranged at the end part of the filter assembly 2; wherein, the buckle 4 is provided with a claw 6 matched with the groove 5; the sleeve 3 is connected with the buckle 4 in a sliding way; the core-withdrawing structure comprises a sliding chute 7 arranged on the peripheral side of the sleeve 3, a sliding block 8 arranged on the buckle 4 and matched with the sliding chute 7, a core-withdrawing block 9 arranged on the sliding block 8 and arranged outside the sleeve 3, and a convex rail 10 arranged on the peripheral side of the sliding chute 7 and matched with the core-withdrawing block 9. When the filter component 2 is installed, the filter component 2 to be installed needs to be inserted into the filter element seat 1, in the process of insertion, the clamping jaws 6 on the buckles 4 are supported to the periphery under the action of the end parts of the filter component 2, and along with the process of insertion, the clamping jaws 6 are clamped in the grooves 5, so that the filter component 2 is installed in place, and the filter component 2 is stable in structure and convenient to use; when the filter assembly 2 needs to be replaced or disassembled, the replacement can be completed through the core withdrawing structure; the filter assembly 2 can be removed or replaced by controlling the core-removing block 9 through the sliding groove 7 on the peripheral side of the sleeve 3, the core-removing block 9 is connected to the inner side and the outer side of the sleeve 3 through the slide block 8 and the buckle 4, meanwhile, a convex rail 10 matched with the core-removing block 9 is further arranged on the peripheral side of the sliding groove 7, when in use, the sleeve 3 is moved, the slide block 8 moves in the sliding groove 7 through the movement of the sleeve 3, the core-removing block 9 connected with the slide block 8 moves along the convex rail 10 in the moving process, and the contact part of the convex rail 10 and the core-removing block 9 can be an inclined surface, and in other embodiments, the arrangement can be in other forms, and is not limited to the above; under the effect of convex rail 10, the aforesaid moves back core piece 9 and struts all around, drives simultaneously and buckle 4 that is connected with above-mentioned slider 8 promptly the jack catch 6 on this buckle 4 outwards struts, and at this moment, above-mentioned jack catch 6 breaks away from with above-mentioned recess 5, and above-mentioned filtering component 2 must be dismantled to change easy operation, and convenient to use can above-mentioned filtering component 2 of quick assembly disassembly, provide work efficiency, use also very convenience in constrictive space simultaneously.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, there is shown an embodiment of a locking structure for a water purification cartridge according to the present invention, in which the basic portion is identical to the above embodiment, and the description thereof is omitted. In this embodiment, the sliding groove 7 opens downward, and at this time, when the filter assembly 2 is disassembled, the sleeve 3 pushes downward, and in other embodiments, other configurations may also be adopted, for example, the sliding groove 7 opens upward, and at this time, when the filter assembly 2 is disassembled, the sleeve 3 pushes upward, which is not limited to this, and is not described again; in this embodiment, the locking structure further includes an ejecting structure 11 disposed on the filter element holder 1, when the claw 6 leaves the groove 5, the locking is lost, and under the action of the ejecting structure 11, the filter element 2 to be detached can be ejected, so as to facilitate detachment, and in this embodiment, the ejecting structure 11 includes an ejecting rod 13 fixedly connected to the filter element holder 1 through an elastic element 12 and an ejecting hole 14 disposed on the end surface of the filter element 2 near the groove 5 and adapted to the ejecting rod 13, when the filter element 2 is mounted and locked, the elastic element 12 is in a compressed state, and has a supporting force against the filter element 2, thereby further ensuring the stability of the locking, and when the filter element 2 is detached, the elastic element 12 in the compressed state can eject the filter element 2 well, the structure is simple, and the use is reliable; furthermore, a chamfer 15 is arranged at one end of the filter component 2 close to the groove 5, so that the filter component 2 can conveniently open the clamping jaw 6 during installation, and the installation is convenient; and one side of the clamping jaw 6 close to the filtering component 2 is a curved surface, so that the filtering component 2 can enter conveniently and is convenient to install.

The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.

Claims

1. A locking structure for a water purification filter element is disclosed, wherein the filter element comprises a filter element seat, a filter assembly inserted on the filter element seat and a sleeve sleeved on the filter element seat; the method is characterized in that: the locking structure comprises

The buckle is fixedly connected on the filter element seat;

a recess disposed at an end of the filter assembly;

a core withdrawing structure;

the buckle is provided with a clamping jaw matched with the groove; the sleeve is connected to the buckle in a sliding mode; move back the core structure including setting up the spout of sleeve week side, setting are in on the buckle with the slider of spout looks adaptation, setting are in on the slider and arrange in the sleeve outside move back the core piece and set up slide week side with move back the convex rail of core piece looks adaptation.

2. The water purification cartridge locking structure of claim 1, wherein: the chute opening is downward.

3. The water purification cartridge locking structure of claim 1, wherein: the opening of the sliding groove is upward.

4. A locking structure for a water purification cartridge according to claim 1, 2 or 3, wherein: the locking structure further comprises an ejection structure arranged on the filter element seat.

5. The water purification cartridge locking structure of claim 4, wherein: the pop-up structure comprises a pop-up rod fixedly connected with the filter element seat through an elastic element and a pop-up hole arranged on the end face, close to the groove, of the filter assembly and matched with the pop-up rod.

6. A locking structure for a water purification cartridge according to claim 1, 2 or 3, wherein: and one end of the filtering component, which is close to the groove, is provided with a chamfer.

7. The water purification cartridge locking structure of claim 4, wherein: and one end of the filtering component, which is close to the groove, is provided with a chamfer.

8. The water purification cartridge locking structure of claim 5, wherein: and one end of the filtering component, which is close to the groove, is provided with a chamfer.

9. A locking structure for a water purification cartridge according to claim 1, 2 or 3, wherein: one side of the clamping jaw close to the filtering component is a curved surface.

10. The water purification cartridge locking structure of claim 4, wherein: one side of the clamping jaw close to the filtering component is a curved surface.