CN108553995A - A kind of filter core locking device and filter element of water purifier component - Google Patents

Abstract

This application involves filter core locking device and filter element of water purifier components.Filter core locking device provided by the present application includes the spiral cover being mutually detachably connected and rotation seat.The filter core locking device structure of the application is simple, it is easy to use, and protruding portion and filter core bucket fit depressions thereon, filter core can be made not rotate and can only be along the axial displacement of filter core bucket, to avoid damaging filter core in installation process, it can facilitate installation using the filter core locking device of the application, replace filter core.

Description

A filter element locking device and a water purifier filter element assembly

technical field

The present application relates to a water purifier filter element component, in particular to a water purifier filter element locking device and a water purifier filter element assembly including the locking device.

Background technique

At present, water purifiers have become an essential appliance in many families. The filter element is an important part of the water purifier, and most of the water purifiers currently on the market are disassembled and replaced by the user, which makes the convenience and reliability of the filter element disassembly and assembly particularly important.

Contents of the invention

On the one hand, the present application provides a filter element locking device, which includes a screw cap and a screw seat that are detachably connected to each other, and is characterized in that the screw cap includes:

a handle at one end of the screw cap;

At least one boss protruding outward, the boss can be matched with the groove provided in the filter barrel, and can be displaced in the groove of the filter barrel;

at least one protrusion configured to allow insertion into at least one notch located in the swivel seat and displaceable in a guide groove of the swivel seat;

The swivel seat includes:

at least one notch on the edge of the spin seat configured to allow at least one protrusion of the screw cap to be inserted into the notch;

a guide groove, the guide groove is configured to allow the protrusion of the screw cap inserted into the notch to be displaced in the guide groove.

In one embodiment, two limiting posts are arranged on the rotating seat, and a limiting piece is arranged on the rotating cover, and the limiting piece is mated and connected with the limiting posts.

In one embodiment, a positioning groove is also provided on the boss.

In one embodiment, the screw cap includes two bosses, and the two bosses are symmetrically arranged on the screw cap along the axis of the screw cap.

In one embodiment, the screw cap is detachably connected to the screw seat.

In one embodiment, the outer edge of the swivel seat is further provided with one or more protrusions.

Another aspect of the present application provides a water purifier filter element assembly, including the filter element locking device of the present application, a filter element bucket and a filter element housing inside the filter element bucket, wherein,

The rotary seat of the filter element locking device is connected with the filter element shell and is located at one end of the filter element shell;

A groove is provided on the inner side of the housing of the filter element bucket, and the groove matches with the boss of the filter element locking device.

In one embodiment, positioning points are also arranged in the groove.

In one embodiment, a third groove is provided on the filter barrel along the axial direction of the filter barrel, and a protruding part is provided on the swivel seat, and the protruding part can be inserted into the third groove middle.

The filter element locking device of the present application is simple in structure and easy to use, and the upper protrusion matches the groove of the filter element barrel so that the filter element does not rotate but can only be displaced along the axial direction of the filter element barrel, thereby avoiding damage to the filter element during installation. Using the filter element locking device of the present application can facilitate installation and replacement of the filter element.

Description of drawings

Figure 1 shows a schematic diagram of an exploded structure of an embodiment of the present application, showing a screw cap, a screw seat, a filter element shell and a filter element barrel;

Fig. 2 shows a schematic diagram of an exploded structure of an embodiment of the present application, showing a screw cap, a screw seat, a filter element shell and a filter element barrel;

Fig. 3 shows the schematic structural view of filter cartridge;

Fig. 4 shows a schematic view of the filter element locking device (including the screw cap and the screw seat) of the present application after being connected to the filter element and before being inserted into the filter element barrel.

Detailed ways

The present application will be further described in detail through the accompanying drawings and embodiments below. Through these descriptions, the features and advantages of the present application will become clearer and more specific.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior or better than other embodiments. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

In addition, the technical features involved in different embodiments of the present application described below may be combined with each other as long as they do not constitute a conflict with each other.

As shown in FIGS. 1-4 , the first aspect of the present application provides a filter element locking device, which includes a screw cap 1 and a screw seat 2 that are detachably connected to each other. The screw cap 1 and the screw base 2 can be detachably connected together by means known in the art, for example, by screws, bolts and the like. In one embodiment, a screw column 28 is provided on the rotary base 2 , and the screw cover 1 is detachably connected to the rotary base 2 through the screw 18 connected to the screw column 28 .

In the present application, the screw cap 1 may be in the shape of a cylinder with one end open, and includes a handle 11 at one end of the screw cap. The handle 11 is used to apply force to the screw cap to make the screw cap rotate or move axially. The screw cap also includes a handle cover 17 combined with the handle 11 .

The screw cap 1 also includes at least one protruding boss 12 , the boss can match with the groove 41 provided in the filter barrel 4 and can be displaced in the groove 41 of the filter barrel 4 . The boss 12 can be located on the outside of the cylinder and protrude outward. In one embodiment, the screw cap 1 includes two axially symmetrical bosses 12 . In one embodiment, the boss 12 is further provided with a positioning groove 121, and the positioning groove 121 can cooperate with the positioning point 411 in the groove 41 of the filter barrel.

The screw cap 1 also includes at least one protrusion 13, which protrudes inwardly in the radial direction of the screw cap 1, and the protrusion 13 is configured to allow insertion into at least one notch 23 of the screw seat 2, and can be positioned at the Displacement in the guide groove 24 of the rotary seat. In one embodiment, the screw cap 1 includes three protrusions 13 that are roughly evenly distributed on the open end of the screw cap 1 .

In the present application, the swivel base 2 includes at least one notch 23 located on the edge of the swivel seat, and the notch is configured to allow at least one protrusion 13 of the screw cap to be inserted into the notch 23 . The rotary base 2 also includes a guide groove 24, which is configured to allow the protrusion of the screw cap inserted into the notch to be displaced in the guide groove. The number of notches 23 and guide grooves 24 is the same as that of the protrusions 13 on the screw cap 1 . In one embodiment, the swivel base 2 includes three notches 23 and three guide grooves 24 .

In one embodiment, two limiting posts 25 are arranged on the rotary base 2, and a limiting piece 15 is arranged on the rotating cover 1, and the limiting piece is matched and connected with the limiting columns. . Thus, the screw cap can rotate at a certain angle with the central axis of the screw seat as the axis, thereby limiting the rotation angle of the screw cap. In one embodiment, two limiting columns 25 are located on both sides of the screw column 28 .

In one embodiment, the swivel seat 2 is connected with the filter element housing 3 , and the swivel seat 2 is located at one end of the filter element housing 3 . For example, the swivel seat and the filter element housing can be connected together by welding such as plastic-to-plastic welding. In one embodiment, the swivel seat 2 and the filter element housing 3 can also be detachably connected, for example, the swivel seat and the filter element housing 3 can be connected together through mutually matched threads.

One or more protrusions 21 are also provided on the outer edge of the swivel seat, and the protrusions 21 can cooperate with the third groove 43 in the filter cartridge barrel 4, so that the protrusions 21 can be inserted into the third groove 43 during installation. Three grooves 43.

The second aspect of the present application relates to a water purifier filter element assembly, including the filter element locking device of the present application, the filter element barrel 4 and the filter element shell 3 located inside the filter element barrel, wherein the rotary seat 2 of the filter element locking device and the filter element The shells 3 are connected and located at one end of the filter shell; the inside of the shell of the filter barrel 4 is provided with a groove 41, and the groove 41 is matched with the boss 12 of the filter element locking device. The number of grooves 41 is equal to the number of protrusions 12 of the filter element locking device, so that each protrusion 12 can be inserted into the groove 41 and can be displaced in the groove 41 . The groove 41 extends along the inner wall of the filter barrel 4 , and its space can accommodate the boss 12 and make the boss 12 displace in the groove 41 .

The groove 41 is also provided with a positioning point 411, the positioning point 411 can cooperate with the positioning groove 121 in the boss 12, and snap into the positioning groove 121, so that the boss 12 and the screw cap 1 can be fixed on the filter barrel 4 predetermined location. In one embodiment, the screw cap includes two bosses 12 arranged symmetrically along the axis of the screw cap, and the filter cartridge 4 also has two grooves 41 arranged symmetrically along the axis of the filter cartridge 4 , so that each boss can be inserted into a groove, and the two are similar to a screw fit. In one embodiment, a third groove 43 is provided on the inner wall of the filter barrel along the axial direction of the filter barrel, and a protruding part 21 is provided on the outer edge of the swivel seat, and the protruding part 21 can be inserted into the In the third groove 43, the swivel seat and thus the filter element cannot rotate but can only move up and down along the axial direction of the filter element barrel. Thus, when the screw cap is turned, the boss 12 can be displaced in the groove 41, and due to the cooperation between the protrusion 21 and the third groove 43, the filter element cannot rotate but can only move along the axial direction of the filter element barrel. The direction moves up and down, so that the filter element can be moved to the target position as a whole. When the filter element needs to be replaced, just turn the screw cap in the opposite direction.

Fig. 4 shows a schematic diagram of the filter element locking device (including the screw cap and the screw seat) of the present application after being connected to the filter element and before being inserted into the filter element barrel. The filter element assembly of the water purifier of the present application is installed as follows: the filter element 3 is inserted into the filter element seat through the filter element barrel 4, and at this time the protrusion 21 is inserted into the third groove 43 on the filter element barrel. Turn the screw cap, because the protruding part 21 has been inserted into the third groove 43 in the filter barrel, the filter element cannot rotate but can only move up and down. Continue to turn the screw cap, the boss of the screw cap and the groove of the filter barrel are in a similar spiral fit, and after turning, the filter element as a whole will move down to the target position.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "back", "left", "right" etc. indicate orientation or position The relationship is an orientation or positional relationship based on the working state of the application, which is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the application.

In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be interpreted in a broad sense. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.

The present application has been described above in conjunction with preferred implementations, but these implementations are only exemplary and serve as illustrations only. On this basis, various replacements and improvements can be made to the present application, all of which fall within the protection scope of the present application.

Claims (9)

1. A filter element locking device, comprising a screw cap and a screw seat that are detachably connected to each other, characterized in that, The screw cap includes: a handle at one end of the screw cap; At least one boss protruding outward, the boss can be matched with the groove provided in the filter barrel, and can be displaced in the groove of the filter barrel; at least one protrusion configured to allow insertion into at least one notch located in the swivel seat and displaceable in a guide groove of the swivel seat; The swivel seat includes: at least one notch on the edge of the spin seat configured to allow at least one protrusion of the screw cap to be inserted into the notch; a guide groove, the guide groove is configured to allow the protrusion of the screw cap inserted into the notch to be displaced in the guide groove. 2. The filter element locking device according to claim 1, characterized in that, two limit posts are arranged on the rotary seat, and a limit piece is set on the screw cover, and the limit piece is connected with the said limit piece. The above-mentioned limit column is matched and connected. 3. The filter element locking device according to claim 1 or 2, characterized in that, a positioning groove is also provided on the boss. 4. The filter element locking device according to any one of claims 1-3, characterized in that, the screw cap comprises two bosses, and the two bosses are arranged symmetrically along the axis of the screw cap Screw on the cap. 5. The filter element locking device according to any one of claims 1-4, characterized in that, the screw cap is detachably connected to the screw seat through screws. 6. The filter element locking device according to any one of claims 1-5, characterized in that, one or more protrusions are provided on the outer edge of the swivel seat. 7. A filter element assembly for a water purifier, comprising the filter element locking device according to any one of claims 1-6, a filter element bucket and a filter element housing located inside the filter element bucket, wherein, The rotary seat of the filter element locking device is connected with the filter element shell and is located at one end of the filter element shell; A groove is provided on the inner side of the housing of the filter element bucket, and the groove matches with the boss of the filter element locking device. 8. The water purifier filter element assembly according to claim 7, characterized in that, positioning points are also arranged in the groove. 9. The water purifier filter element assembly according to claim 7 or 8, characterized in that, a third groove is provided along the axial direction of the filter element barrel on the filter element barrel, and a protrusion is also arranged on the swivel seat, so that The protrusion may be inserted into the third groove.