CN216571943U

CN216571943U - Filter core anti-disengaging structure and purifier

Info

Publication number: CN216571943U
Application number: CN202123445160.1U
Authority: CN
Inventors: 向海涛; 李冠轩; 吉艳飞; 郑礼政; 王剑锋
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-24
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a filter element anti-disengaging structure and a water purifier, wherein the filter element anti-disengaging structure comprises a bracket, a clamping seat and a filter element which are mutually rotated and clamped; the clamping seat is provided with a rotary opening arranged along the circumferential direction, the filter element is provided with a clamping lug screwed into the rotary opening, the clamping lug is provided with a reverse buckle, the side wall of the rotary opening is provided with a clamping part, and the clamping part is clamped with the reverse buckle so as to fix the clamping lug and the clamping seat along the circumferential direction; the support is formed with a support base that supports the cassette. The utility model discloses a set up joint portion and prevent that the joint ear from deviating from to and the supporting seat supports the cassette, can prevent effectively that the water hammer from strikeing and causing the motion of filter core cassette warp by a wide margin, thereby prevent to deviate from after the filter core installation and filter core cassette damages, can increase filter core installation joint structural reliability by a wide margin.

Description

Filter core anti-disengaging structure and purifier

Technical Field

The utility model belongs to the assembly field especially relates to a filter core anti-disengaging structure and purifier.

Background

At present, because the water quality problem is increasingly serious and the living standard of people is gradually improved, the water purifier becomes one of important household appliances in life. In current purifier, for convenience of customers uses and changes the filter core, rotatory joint filter core is in order to become the filter core structure mode of mainstream gradually. Although the rotary clamping filter element is convenient to replace, the filter element clamping seat is easy to deform under the impact of a water hammer to cause the filter element to be separated.

A common filter element mounting and clamping structure comprises a filter element, a clamping seat and a support. The matching part of the head part of the filter element and the clamping seat is provided with a clamping lug, and the matching position of the clamping seat of the filter element and the filter element is provided with a mounting position. The whole machine bracket is provided with a clamping seat mounting position and a filter element supporting cylinder. The joint ear of filter core includes spigot surface and assembly portion, and the spigot surface is used for rotatory direction when filter core head joint ear gets into, and assembly portion is used for filter core head joint ear installation fixed. Correspondingly, the cassette installation position includes spigot surface and assembly position, and the spigot surface is used for the rotatory direction when the joint ear gets into, and the assembly position is used for the installation of filter core head joint ear fixed. The whole machine bracket is used for installing a filter element clamping seat (clamping seat installation position) and a filter element installation back support (filter element support cylinder).

The common filter element mounting and clamping structure can meet the basic requirements of filter element mounting and supporting, but the following defects are still to be optimized and solved. Traditional filter core installation joint structure, the equipment position of filter core joint ear is planar structure (being on a parallel with filter core cassette terminal surface), and only has the fix with screw position to have the support with the support filter core cassette, and filter core cassette installation position generally does not have the support, forms cantilever structure easily. This kind of filter core cassette and with filter core joint ear cooperation structure, can satisfy normal installation user demand. However, when being impacted by a large water hammer, the installation position of the filter element clamping seat forms a cantilever structure to reciprocate, so that the filter element is easily loosened and withdrawn from the filter element clamping seat, and the filter element clamping seat is possibly broken after being impacted by the water hammer for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model provides a filter core anti-disengaging structure and purifier to mention the technical problem of filter core poor stability among the solution background art.

In order to achieve the above object, the utility model discloses a filter core anti-disengaging structure and purifier's concrete technical scheme as follows:

a filter element anti-drop structure comprises a bracket, a clamping seat and a filter element, wherein the clamping seat and the filter element are mutually rotationally clamped; the clamping seat is provided with a rotary opening arranged along the circumferential direction, the filter element is provided with a clamping lug screwed into the rotary opening, the clamping lug is provided with a reverse buckle, the side wall of the rotary opening is provided with a clamping part, and the clamping part is clamped with the reverse buckle so as to fix the clamping lug and the clamping seat along the circumferential direction; the support is formed with a support base that supports the cassette.

Furthermore, the clamping part is a concave clamping groove, the reverse buckle is convexly arranged on the fixing part, the reverse buckle is clamped with the clamping groove, and the reverse buckle amount is 0.5 mm-1.0 mm.

Furthermore, a fixed guide surface is formed on one side wall of the reverse buckle, a movable guide surface is formed on one side, close to the opening, of the clamping groove, and the movable guide surface slides along the fixed guide surface, so that the clamping lug is screwed into the rotary opening.

Furthermore, the other side wall of the reverse buckle is provided with a positioning surface, the positioning surface is attached to one side wall of the clamping groove, and the other side surface of the clamping groove is attached to the movable guide surface.

Furthermore, the positioning surface and the movable guide surface are smoothly connected and transited through a fillet, and the diameter of the fillet is larger than 10 mm.

Furthermore, the support is provided with a positioning opening, the clamping seat is provided with a positioning part, and the positioning part is sleeved in the positioning opening to radially fix the clamping seat.

Furthermore, a convex supporting seat is formed on the inner wall of the positioning opening, and the end part of the positioning part is contacted with the supporting seat surface to support the positioning part.

Further, the clamping seat is connected with the bracket through screws.

Furthermore, the support is formed with a support section of thick bamboo of being connected with the locating hole, and the filter core cover is established in supporting a section of thick bamboo.

A purifier includes foretell filter core anti-disengaging structure.

The utility model discloses a filter core anti-disengaging structure and purifier have following advantage: through setting up joint portion and supporting seat, can prevent effectively that the water hammer from strikeing and causing the motion of filter core cassette warp by a wide margin to prevent to deviate from after the filter core installation and filter core cassette damage, can increase filter core installation joint structure reliability by a wide margin.

Drawings

FIG. 1 is a schematic view of the anti-falling structure of the filter element of the present invention;

fig. 2 is a sectional view of the anti-falling structure of the filter element of the present invention;

FIG. 3 is a schematic view of the bracket structure of the present invention;

FIG. 4 is a schematic view of the structure of the cassette of the present invention;

FIG. 5 is a schematic view of the structure of the cartridge and the filter element of the present invention;

FIG. 6 is a schematic view of the filter element structure of the present invention;

FIG. 7 is a schematic view of the assembly of the cartridge and the filter cartridge of the present invention 1;

fig. 8 is a schematic view of the assembly of the cartridge and the filter element of the present invention 2.

The notation in the figure is:

1. a support; 11. positioning the opening; 12. a supporting seat; 13. a screw post; 14. a support cylinder; 2. a card holder; 21. a positioning part; 22. a socket; 23. screwing the opening; 3. a filter element; 31. clamping the lug; 4. a guide surface is determined; 5. a card slot; 6. a movable guide surface; 7. reversing; 8. and (6) positioning the surface.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.

As shown in fig. 1 and fig. 2, the anti-disengaging structure for filter element of the present invention comprises a bracket 1, a clamping seat 2 and a filter element 3. The bracket 1 is of an upper groove and lower hole structure, and the groove and the holes are connected with each other. The waterway plate is installed in the slot from top to bottom, and the clamping seat 2 is inserted into the part connected with the hole. And the filter element 3 is inserted into the hole from bottom to top and is rotationally clamped with the clamping seat 2, so that the fixation of the filter element, the clamping seat and the clamping seat is completed.

Referring to fig. 3 and 4, the bracket 1 is formed with a positioning opening 11 in the groove, the clamping seat 2 is formed with a positioning portion 21, and the positioning portion 21 is sleeved in the positioning opening 11 to radially fix the clamping seat 2 and the bracket 1. Be formed with convex supporting seat 12 on the 11 inner walls in location mouth, location portion 21 tip and 12 face contact of supporting seat to support location portion 21, thereby supporting seat 12 carries out further spacingly to cassette 2, prevents that cassette 2 from shaking the skew. Finally, the bracket 1 is provided with screw columns 13 in the groove, and the clamping seat 2 is provided with through holes corresponding to the screw columns 13, so that the clamping seat 2 is in screw connection with the bracket 1 to complete the fixation of the bracket 1 and the clamping seat 2. And the clamping seat 2 and the support 1 are ensured to be connected stably by limiting and fixing the positioning opening 11 and the support 12.

Referring to fig. 5 to 8, the hole of the bracket 1 is a supporting cylinder 14 connected to the positioning hole 11, and the filter element 3 is sleeved in the supporting cylinder 14 for preliminary fixing. The rotary clamping structure comprises two parts, namely a clamping lug 31 arranged on the bottle mouth of the filter element 3, and a socket 22 and a rotary opening 23 arranged on the clamping seat 2; the inserting opening 22 is arranged along the axial direction to be inserted into the bottle mouth of the filter element 3, and the screwing opening 23 extends from the tail end of the inserting opening 22 along the circumferential direction to be screwed into the screwing opening 23 by the clamping lug 31 in the inserting opening 22 for fixing.

Be formed with back-off 7 on the joint ear 31, back-off 7 and joint portion joint to the fixed joint ear 31 of circumference and revolve mouthful 23, increase resistance is in order to prevent that joint ear 31 from revolving out from revolving mouthful 23. Specifically, the clamping portion is a concave clamping groove 5, and the reverse buckle 7 is convexly arranged on the fixing portion.

In order to insert the turnbuckle 23 conveniently, the reverse buckle 7 is in an obtuse triangle shape, a side wall of the reverse buckle 7 is provided with a fixed guide surface 4, a side of the clamping groove 5 close to the opening is provided with a movable guide surface 6, and the movable guide surface 6 and the fixed guide surface 4 are matched inclined surfaces or curved surfaces so as to facilitate the filter element to be screwed into the turnbuckle 23.

And a sealing element is clamped between the filter element and the clamping seat 2, the follow-up guide surface 6 is screwed into the screwing opening 23 along the fixed guide surface 4, and the filter element 3 is translated along the axial direction so as to clamp the sealing element.

The other side wall of the reverse buckle 7 is provided with a positioning surface 8, and the positioning surface 8 is attached to one side wall of the clamping groove 5. And the other side surface of the clamping groove 5 is attached to the movable guide surface 6 to ensure stable connection. The positioning surface 8 and the movable guide surface 6 are smoothly connected and transited through a fillet, and the diameter of the connecting fillet is preferably larger than R10.0 mm. The angle of the positioning surface 8 relative to the horizontal plane is small, and preferably the angle is 2-6 degrees; the positioning surface 8 needs a certain amount of back-off, preferably 0.5 mm-1.0 mm.

In a general assembly structure, the minimum assembly distance position of the fixed guide surface 4 of the clamping seat 2 is in clearance fit with the maximum back-off position of the clamping lug 32; under the special assembly structure, the minimum assembly distance of the fixed guide surface 4 of the card seat 2 and the maximum back-off position of the clamping lug 32 can be in interference fit, and the interference magnitude is preferably 0.1-0.3 mm.

In addition, the clamping part can be a reverse buckle 7, and the fixing part can be a clamping groove 5.

Thereby through addding the back-off structure, guarantee that filter core 3 and cassette 2 are connected firmly.

The utility model also discloses a purifier still includes the 3 anti-disengaging structures of foretell filter core. The utility model provides a 3 anti-disengaging structure of filter core, except being used for filter core 3, still be used for connecting other bottled structures.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. A filter element anti-falling structure comprises a bracket, a clamping seat and a filter element, wherein the clamping seat and the filter element are mutually rotationally clamped; the filter element is provided with a clamping lug which is screwed into the rotary opening, and the filter element is characterized in that the clamping lug is provided with a back-off, the side wall of the rotary opening is provided with a clamping part which is clamped with the back-off so as to circumferentially fix the clamping lug and the clamping seat; the support is formed with a support base that supports the cassette.

2. The filter element retaining structure according to claim 1, wherein the locking portion is a recessed locking groove, the reverse protrusion is provided on the fixing portion, the reverse protrusion is locked with the locking groove, and the reverse amount is 0.5mm to 1.0 mm.

3. The filter element anti-disengaging structure according to claim 2, wherein a side wall of the reverse buckle is formed with a fixed guide surface, a side of the clamping groove close to the opening is formed with a movable guide surface, and the movable guide surface slides along the fixed guide surface to enable the clamping lug to be screwed into the screw opening.

4. The filter element anti-disengaging structure according to claim 3, wherein the other side wall of the reverse buckle is formed with a positioning surface, the positioning surface is attached to one side wall of the clamping groove, and the other side surface of the clamping groove is attached to the movable guide surface.

5. The filter element anti-falling structure according to claim 4, wherein the positioning surface and the movable guide surface are smoothly connected and transited through a fillet, and the diameter of the fillet is larger than 10 mm.

6. The filter element retaining structure according to claim 1, wherein the bracket is formed with a positioning opening, and the holder is formed with a positioning portion, the positioning portion being fitted in the positioning opening to radially fix the holder.

7. The filter element separation prevention structure according to claim 6, wherein a protruding support seat is formed on an inner wall of the positioning opening, and an end portion of the positioning portion is in contact with the support seat surface to support the positioning portion.

8. The filter element retaining structure according to claim 7, wherein the clamping seat is connected with the bracket screw.

9. The filter element retaining structure according to claim 6, wherein the bracket is formed with a support cylinder connected with the positioning opening, and the filter element is sleeved in the support cylinder.

10. A water purifier, characterized in that, comprises the filter element anti-drop structure of any one of claims 1-9.