WO2018165871A1 - Filter clamp and water purifying apparatus - Google Patents

Abstract

A filter clamp and a water purifying apparatus. The filter clamp comprises a fixing plate (7), the fixing plate (7) being provided with a mounting surface (72) and a fixing surface (71) in an opposite arrangement, the fixing plate (7) being provided thereon with a through hole (4), and the fixing surface (71) being provided thereon with an engaging element (55); and a clamp body (1), the clamp body (1) comprising a connecting element (23) and a clamping element fixedly connected to the connecting element (23), the connecting element (23) being engaged with the engaging element (55) via the through hole (4), and the clamping element being used for clamping a filter and abutted against the mounting surface (72). When the filter clamp needs to be mounted, the connecting element (23) of the clamp body (1) is run through the through hole (4) and then engaged with the engaging element (55) on the fixing surface (71) of the fixing plate (7) to complete the process, thus significantly increasing the efficiency of mounting the filter clamp, reducing working hours for manual mounting, and finally achieving the goal of cost reduction.

Description

 Filter cartridge and water purification equipment

Technical field

The invention relates to the field of water purification technology, in particular to a filter cartridge and a water purification device.

Background technique

With the development of technology, the reverse osmosis membrane water purifier has gradually become the mainstream of the market. As the demand for reverse osmosis water purifiers continues to increase, the number of single clips and daughter clips used on water purifiers continues to increase. At present, the filter element is mounted on the fixing plate by screws. The disadvantage of the fixing form is that the installation is troublesome, the installation efficiency is low, and the filter element after installation is easy to rotate. The current filter installation method can not meet the increasing installation amount, which is not conducive to the production of reverse osmosis membrane water purifier.

Summary of the invention

It is a primary object of the present invention to provide a filter cartridge that is intended to increase the efficiency of installation of the cartridge clamp.

In order to achieve the above object, the filter cartridge proposed by the present invention comprises:

a fixing plate having a mounting surface and a fixing surface disposed opposite to each other, wherein the fixing plate is provided with a through hole, and the fixing surface is provided with a fastening member;

Holding the body, the clamping body includes a connecting member and a clamping member fixedly connected with the connecting member, the connecting member is engaged with the fastening member through the through hole, the clamping member is used for clamping The filter element is clamped and abuts against the mounting surface.

Preferably, the connecting member includes a connecting portion and a holding portion fixedly connected to the connecting portion, the engaging portion and the clamping member are enclosed to form a holding groove;

The fastener has a card slot, and the latching portion is locked in the card slot to engage the fixing plate in the latching slot.

Preferably, the fastener comprises a correspondingly disposed limit buckle and an elastic buckle, and the limit buckle and the elastic buckle are enclosed to form the card slot.

Preferably, the limit buckle includes a first elastic arm and a limiting portion, and one end of the first elastic arm is fixedly connected to the fixing surface, and the other end is fixedly connected to the limiting portion.

Preferably, the elastic buckle includes a second elastic arm and a fastening portion, the fixing plate is provided with a mounting hole, the second elastic arm is disposed in the mounting hole, and one end of the second elastic arm is The hole wall of the mounting hole is fixedly connected, and the other end is fixedly connected to the fastening portion.

Preferably, a side of the fastening portion facing away from the card slot is provided with a first guiding surface, a distance between the first guiding surface and the fixing surface, from a free end of the second elastic arm Gradually decrease toward the fixed end.

Preferably, a side of the fastening portion facing the card slot is provided with a second guiding surface, and a distance between the second guiding surface and the fixing surface is from a free end of the second elastic arm The fixed end is gradually increased.

Preferably, the number of the holding portions is two, and the two holding portions are spaced apart on the connecting portion;

The number of the fasteners is two, and the two fasteners are disposed corresponding to the latching portion.

Preferably, the two holding portions are located on opposite sides of the connecting portion.

Preferably, the thickness of the connecting portion is greater than the thickness of the holding portion.

Preferably, the clamping member has a plurality of clamping clips for clamping the filter element.

The invention also provides a water purification device comprising a filter cartridge, the filter cartridge comprising:

a fixing plate having a mounting surface and a fixing surface disposed opposite to each other, wherein the fixing plate is provided with a through hole, and the fixing surface is provided with a fastening member;

Holding the body, the clamping body includes a connecting member and a clamping member fixedly connected with the connecting member, the connecting member is engaged with the fastening member through the through hole, the clamping member is used for clamping The filter element is clamped and abuts against the mounting surface.

In the technical solution of the present invention, when the filter cartridge clip needs to be installed, the connecting member of the clamping body is passed through the through hole, and then the fastening member on the fixing surface of the fixing plate is fastened, so that compared with the existing pass The technical solution of the invention can greatly improve the efficiency of the installation of the filter cartridge, reduce the man-hour of manual installation, and ultimately achieve the purpose of reducing the cost; at the same time, the buckle body and the fixed plate pass through the buckle. The fastening between the clamping body and the fixing plate is less likely to cause corrosion phenomenon such as screw rust, which is beneficial to improve the stability of the clamping body after being connected with the fixing plate; in addition, the connecting member and the clamping member jointly The fixing plate is clamped so that the clamping member, the connecting member and the fixing plate are fixedly connected, and the clamping body is connected to the fixing plate in the technical solution of the present invention, compared with the screw fixing (the filter element is easy to rotate with the swing of the filter element clip) The stability is further improved.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and those skilled in the art can obtain other drawings according to the structures shown in the drawings without any creative work.

1 is a schematic structural view of an embodiment of a filter cartridge according to the present invention;

2 is a schematic structural view of the fixing plate of FIG. 1;

Figure 3 is a schematic enlarged view of the structure of Figure 2;

4 is a schematic structural view of the filter cartridge of the present invention adhering to the body;

FIG. 5 is a schematic structural view of the filter cartridge of the present invention after being assembled.

Description of the reference numerals:

Label	name	Label	name
1	Clamping body	2	Holder
3	Connection	4	Via
5	Elastic buckle	6	Limit buckle
51	First guiding surface	52	Second guiding surface
132	Card slot	56	Card slot
7	Fixed plate	71	Fixed surface
72	Mounting surface	twenty three	Connector
53	First elastic arm	62	Second elastic arm
12	Clamping buckle	55	Fastener

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

It should be noted that all directional indications (such as up, down, left, right, front, back, ...) in the embodiments of the present invention are only used to explain between components in a certain posture (as shown in the drawing). Relative positional relationship, motion situation, etc., if the specific posture changes, the directional indication also changes accordingly.

In addition, the descriptions of "first", "second", and the like in the present invention are used for the purpose of description only, and are not to be construed as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In addition, the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.

The specific structure of the filter cartridge will be mainly described below.

Referring to FIG. 1 to FIG. 5, in the embodiment of the present invention, the filter cartridge includes:

a fixing plate 7, the fixing plate 7 has a mounting surface 72 and a fixing surface 71, the fixing plate 7 is provided with a through hole 4, the fixing surface 71 is provided with a fastener 55;

The clamping body 1 includes a connecting member 23 and a clamping member fixedly connected with the connecting member 23, and the connecting member 23 is fastened to the fastening member 55 through the through hole 4, The clamping member is for clamping the filter element and abutting the mounting surface 72.

Specifically, in this embodiment, the shape of the fixing plate 7 may be many, such as a square, a rectangle, a circle, and an irregular polygon. The thickness and strength of the fixing plate 7 are not particularly limited herein, so as to ensure the stability of the clamping body 1 after installation. The material of the fixing plate 7 may be hard plastic, tempered glass or the like. There may be many types and shapes of the fasteners 55 on the fixing surface 71, such as a buckle, a clamping buckle 12, etc., based on the detachable connection with the clamping body 1, of course, the fixing plate 7 and the clamping body. 1 Can be fixedly connected without disassembly. The fastener 55 can be integrally formed with the fixing plate 7 or can be fixed by a fastener. The fastener 55 can be made of many materials, such as a hard plastic. The clamping member of the clamping body 1 is used for clamping the filter element, and may be a single clamping buckle 12, which may be a double clamping buckle 12, or of course, may have multiple clamping buckles 12, that is, the clamping member can hold a single filter element It is also possible to hold multiple filter elements at the same time. During the connection of the fixing plate 7 and the clamping body 1, the connecting member 23 is passed through the through hole 4 and is fastened to the fastening member 55. At this time, the connecting member 23 and the clamping member jointly hold the fixing plate 7 The fixing member, the connecting member 23 and the fixing plate 7 are fixedly connected. The connecting member 23 and the clamping member are connected in a plurality of manners, and can be fastened to the fastening member 55 by rotating the connecting member 23; the structure of the connecting member 23 can also be configured as a folded structure before passing through the through hole 4. In the folded state, it is in an open state after passing through the through hole 4, and the opened connector 23 is fastened to the fastener 55. When it is necessary to disassemble the fixing plate 7 and the clamping body 1, the fastener 55 is unwound, and the connecting member 23 is taken out from the through hole 4.

In this embodiment, when the filter cartridge clip needs to be installed, the connecting member 23 of the clamping body 1 is passed through the through hole 4, and then fastened to the fastening member 55 on the fixing surface 71 of the fixing plate 7, so that In the existing way of fixing the fixing plate 7 and the clamping body by screws, the technical solution of the invention can greatly improve the efficiency of the installation of the filter cartridge, reduce the man-hour of manual installation, and finally achieve the purpose of reducing the cost; at the same time, due to the clamping The body 1 and the fixing plate 7 are fastened by the fastening member 55, so that the connection between the clamping body 1 and the fixing plate 7 is less likely to cause corrosion phenomenon such as screw rust, which is advantageous for improving the stability of the connection between the clamping body 1 and the fixing plate 7. In addition, the fixing plate 7 is clamped together by the connecting member 23 and the clamping member, so that the clamping member, the connecting member 23 and the fixing plate 7 are fixedly connected, compared with the screw fixing (the filter element is easy to follow the swing of the filter element clip) Rotation), the stability of the clamping body 1 and the fixing plate 7 in the technical solution of the present invention is further improved.

In order to further improve the stability of the connection of the fixing plate 7 to the clamping body 1, the connecting member 23 comprises a connecting portion 3 and a holding portion 2 fixedly connected to the connecting portion 3, the holding portion 2 and the clip Holding the member to form a holding groove 132;

The fastener 55 has a latching groove 56 , and the latching portion 2 is locked in the latching groove 56 to engage the fixing plate 7 in the latching slot 132 .

Specifically, in the embodiment, the connecting member 23 includes a connecting portion 3 and a holding portion 2, and the connecting portion 3 may have many shapes, such as a column shape, a square column shape, and the like, and one end of the connecting portion 3 is fixedly connected with the clamping member. The other end is fixedly connected to the holding portion 2. The shape of the holding portion 2 can be many. Taking the elongated shape as an example, the holding portion 2 extends from the side wall or the bottom of the connecting portion 3 to one side of the connecting portion 3, so that the holding portion 2, the connecting portion 3, and The clamping member encloses a locking groove 132, and the notch of the locking groove 132 is opposite to the connecting portion 3. The shape of the holding portion 2 corresponds to the shape of the through hole 4. When the holding portion 2 and the through hole 4 are to be disposed, the holding portion 2 can pass through the through hole 4, and when the holding portion 2 passes through the through hole 4 and rotates After a certain angle, the holding portion 2 cannot pass through the through hole 4, and at the same time, the mounting plate has entered the holding groove 132 during the movement of the holding groove 132. With the continued rotation of the holding portion 2, the predetermined card slot 56 is connected when rotated to the preset position. At this time, the fixing plate 7 abuts the clamping portion 2 and the clamping member at the same time, and the locking portion 2 is When the external force is not strong, the rotation of the holding portion 2 and the fixing groove 7 is fixed.

In this embodiment, the installation of the card slot 56 makes the mounting of the latching portion 2 very convenient. The connection of the connecting member 23 and the fixing plate 7 is more stable by the arrangement of the latching groove 132.

In order to ensure the bearing strength of the connecting portion 3 and the holding portion 2, the compactness of the clamping member after assembly and the convenience of installation are improved. The thickness of the connecting portion 3 is greater than the thickness of the holding portion 2. When the thickness of the holding portion 2 is thin, elastic deformation can occur, and the fixing plate 7 can be better adhered.

There are many ways in which the card slots 56 are formed. A specific manner of formation is described below. The fastener 55 includes a correspondingly disposed limit buckle 6 and an elastic buckle 5 , and the limit buckle 6 and the elastic buckle 5 are enclosed to form the card slot 56 .

Specifically, in this embodiment, the function of the position buckle 6 is to block the movement of the holding portion 2 to define the position of the holding portion 2. The shape and form of the limit button 6 can be many, taking the following structure as an example. .

The limit buckle 6 includes a first elastic arm 53 and a limiting portion. One end of the first elastic arm 53 is fixedly connected to the fixing surface 71, and the other end is fixedly connected to the limiting portion. The first elastic arm 53 is disposed perpendicular to the plate surface of the fixing plate 7. Of course, in other embodiments, the angle between the first elastic arm 53 and the fixing plate 7 may have other angles. The range of the card slot 56 is adjustable by the arrangement of the first resilient arms 53, and in addition, the resilient arms can also cushion the impact of the catching portion 2. During the installation process, when the latching portion 2 is inserted into the card slot 56, the limit buckle 6 is inevitably subjected to a certain impact, and the first elastic arm 53 can buffer the card while blocking the carding portion 2 to move. The impact of the holding portion 2 on the limit buckle 6.

There may be many forms of the elastic buckle 5, and elastic deformation when pressed by the holding portion 2 allows the holding portion 2 to enter the card slot 56. Specifically, in the following structure, the elastic buckle 5 includes a second elastic arm 62 and a fastening portion. The fixing plate 7 defines a mounting hole, and the second elastic arm 62 is disposed in the mounting hole. One end of the second elastic arm 62 is fixedly connected to the hole wall of the mounting hole, and the other end is fixedly connected to the fastening portion. In the natural state, the second elastic arm 62 is disposed in parallel with the fixing plate 7, and the fastening portion is located on the fixing surface 71 of the fixing plate 7. When the holding portion 2 rotates, the engaging portion is pressed, the engaging portion transmits the load to the second elastic arm 62, the second elastic arm 62 is elastically deformed, and the engaging portion moves from the fixing surface 71 toward the mounting surface 72 so that The catching portion 2 enters the card slot 56. When the catching portion 2 enters the card slot 56, the engaging portion returns to the original position by the second elastic arm 62. After the catching portion 2 enters the card slot 56, the latching portion 2 is fixed by the action of the elastic buckle 5 and the limit buckle 6.

Of course, in some embodiments, in order to allow the latching portion 2 to enter the card slot 56 more smoothly and accurately, a first guiding surface 51 is disposed on a side of the latching portion facing away from the card slot 56. The distance between the first guiding surface 51 and the fixing surface 71 gradually decreases from the free end of the second elastic arm 62 to the fixed end. That is, the first guiding surface 51 is used to guide the holding portion 2 into the inside of the card slot 56. By the arrangement of the first guiding surface 51, the operator does not need to press the second elastic arm 62 by hand. Under the pressing of the clamping portion 2, the engaging portion moves under the action of the first guiding surface 51, which is beneficial to the operator. More convenient operation.

It can be understood that, in some embodiments, in order to enable the latching portion 2 to slide out of the card slot 56 more smoothly and accurately, a second side is disposed on a side of the latching portion facing the card slot 56. The guiding surface 52, the distance between the second guiding surface 52 and the fixing surface 71 gradually increases from the free end of the second elastic arm 62 to the fixed end. That is, the second guiding surface 52 is used to guide the holding portion 2 to move out of the inside of the card slot 56. By the arrangement of the second guiding surface 52, the operator does not need to press the second elastic arm 62 by hand. Under the pressing of the clamping portion 2, the engaging portion can be smoothly moved by the second guiding surface 52. The card slot 56 facilitates more convenient operation by the operator. Of course, in some embodiments, in order to increase the stability of the mounting portion 2, the elastic strength of the second elastic arm 62 and/or the inclination of the second guiding surface 52 may be adjusted to make the holding portion 2 slide. The operator needs to press during the process of the card slot 56.

In order to further improve the connection stability between the clamping body 1 and the fixing plate 7, the number of the holding portions 2 is two, and the two holding portions 2 are spaced apart on the connecting portion 3;

The number of the fasteners 55 is two, and the two fasteners 55 are disposed corresponding to the latching portion 2 .

Specifically, in this embodiment, the minimum distance between the two fasteners 55 is greater than or equal to the maximum size of the latching portion 2, that is, the latching portion 2 needs to be inserted between the two fasteners 55. The two holding portions 2 may be disposed at a certain angle (for example, 30° to 180°) or may be arranged in parallel. Of course, in some embodiments, in order to improve the convenience of connecting the two holding portions 2 to the fastening member 55 at the same time, the two holding portions 2 are located on opposite sides of the connecting portion 3, at this time, due to two The gap between the holding portions 2 is large, so that the mounting position of the holding portion 2 and the fastener 55 can be more convenient.

The invention also provides a water purifying device, which comprises a filter cartridge. The specific structure of the filter cartridge is referred to the above embodiment. Since the water purifying device adopts all the technical solutions of all the above embodiments, it has at least the above implementation. All the beneficial effects brought about by the technical solutions of the examples will not be repeated here. Of course, it can be understood that the water purification device can be a water purifier or other water purification device with a complicated waterway system.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structural transformation, or direct/indirect use, of the present invention and the contents of the drawings are used in the inventive concept of the present invention. It is included in the scope of the patent protection of the present invention in other related technical fields.

Claims (12)

1.  A filter cartridge, characterized in that it comprises:

   a fixing plate having a mounting surface and a fixing surface disposed opposite to each other, wherein the fixing plate is provided with a through hole, and the fixing surface is provided with a fastening member;

   Holding the body, the clamping body includes a connecting member and a clamping member fixedly connected with the connecting member, the connecting member is engaged with the fastening member through the through hole, the clamping member is used for clamping The filter element is clamped and abuts against the mounting surface.
2. The cartridge holder according to claim 1, wherein the connector comprises a connecting portion and a latching portion fixedly coupled to the connecting portion, and the latching portion is enclosed with the clamping member to form a latch groove;

   The fastener has a card slot, and the latching portion is locked in the card slot to engage the fixing plate in the latching slot.
3. The filter cartridge according to claim 2, wherein the fastener comprises a correspondingly disposed limit buckle and an elastic buckle, and the limit buckle and the elastic buckle are enclosed to form the card slot.
4. The filter cartridge according to claim 3, wherein the limit buckle comprises a first elastic arm and a limiting portion, and one end of the first elastic arm is fixedly connected to the fixing surface, and the other end is opposite to the limit The position is fixedly connected.
5. The cartridge holder according to claim 3, wherein the elastic buckle comprises a second elastic arm and a fastening portion, the fixing plate is provided with a mounting hole, and the second elastic arm is disposed at the mounting hole One end of the second elastic arm is fixedly connected to the hole wall of the mounting hole, and the other end is fixedly connected to the fastening portion.
6. The filter cartridge according to claim 5, wherein a side of the fastening portion facing away from the card slot is provided with a first guiding surface, a distance between the first guiding surface and the fixing surface The taper from the free end of the second resilient arm gradually decreases toward the fixed end.
7. The filter cartridge according to claim 5, wherein a side of the fastening portion facing the card slot is provided with a second guiding surface, a distance between the second guiding surface and the fixing surface, The free end of the second resilient arm gradually increases toward the fixed end.
8. The filter cartridge according to claim 2, wherein the number of the holding portions is two, and the two holding portions are spaced apart on the connecting portion;

   The number of the fasteners is two, and the two fasteners are disposed corresponding to the latching portion.
9. The filter cartridge according to claim 8, wherein the two retaining portions are located on opposite sides of the connecting portion.
10. The cartridge according to claim 8, wherein the thickness of the connecting portion is greater than the thickness of the retaining portion.
11. A cartridge holder according to claim 1 wherein said retaining member has a plurality of retaining clips for gripping the filter element.
12. A water purification device characterized by comprising the filter cartridge according to any one of claims 1 to 9.