CN218324133U

CN218324133U - Can dismantle piece formula swimming pool filter core

Info

Publication number: CN218324133U
Application number: CN202222606837.3U
Authority: CN
Inventors: 吴律星; 许英超
Original assignee: Suzhou Mengfei Filtration Technology Co ltd
Current assignee: Suzhou Mengfei Filtration Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-17
Anticipated expiration: 2032-09-30

Abstract

The application discloses can dismantle piece formula swimming pool filter core includes: the filter plate is provided with the buckle subassembly between two adjacent filter plates, and the filter plate includes: the inner filter element is provided with an inner filter screen and an outer filter screen on the inner side surface and the outer side surface respectively to form a layered structure; the first fixing device and the second fixing device can fixedly connect the opposite direction surfaces of two adjacent filter plates; the surface of the fixing plate is provided with a plurality of limiting holes which are the same as the positioning blocks in number and are matched with the positioning blocks, so that the positioning blocks can be limited in position; the card axle runs through the inside of mounting panel and fixed plate, and the surface of fixed plate is laminating behind the inside of passing mounting panel and fixed plate to first fixed fixture block, thereby can make fixed plate and mounting panel laminating make two adjacent filter plates be connected fixedly. The utility model is used for solve among the prior art swimming pool filter core and need wholly change after damaging and cause the wasting of resources to and assemble loaded down with trivial details problem when the assembly of swimming pool filter core.

Description

Can dismantle piece formula swimming pool filter core

Technical Field

The utility model relates to a swimming pool filter core technical field, in particular to can dismantle piece formula swimming pool filter core.

Background

The filter element is special equipment in the filtration industry, and is purification equipment for purifying a primary fluid resource medium. When the filter is used, the requirement on the filtering precision is not great, for example: during the filtration of swimming pool water or leading coarse filtration, generally adopt the swimming pool filter core of the fixed precision filter membrane of monomer, its pollutant carrying capacity is less and the filter membrane can't wash out, blocks up easily.

If the filter element is damaged and needs to be replaced, the whole filter element can only be replaced, and the specific damaged place can not be replaced, so that the use cost is high. Therefore, a new pool filter is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can dismantle piece formula swimming pool filter core for solve among the prior art swimming pool filter core and need wholly change after damaging and cause the wasting of resources, and assemble loaded down with trivial details problem when the assembly of swimming pool filter core.

In order to achieve the above purpose, the embodiments of the present application adopt the following technical solutions: the utility model provides a can dismantle piece formula swimming pool filter core, includes the curved filter plate of a plurality of, and the filter plate is connected around forming a complete circular filter core, its characterized in that: the inside surface between two adjacent filter plates is provided with buckle assembly, can fix the junction of two adjacent filter plate internal surfaces through buckle assembly, and buckle assembly includes: first buckle, second buckle, first buckle and the mutual lock joint of second buckle form the lock and die for the internal surface junction of filter plate connects fixedly, takes one of them filter plate as an example, includes: the filter comprises an inner filter element, an inner filter screen, an outer filter screen and an installation cover, wherein the inner filter screen and the outer filter screen are respectively arranged on the surfaces of the inner side and the outer side of the inner filter element to form a layered structure; a plurality of groups of coupling assembling are installed to peripheral surface evenly distributed at circular filter core for connect the surface of two adjacent filter plates, and coupling assembling sets up in every junction of circular filter core, and wherein a set of coupling assembling is exemplified, include: the first fixing device and the second fixing device can fixedly connect the filter plates; the first fixing device includes: the mounting plate is fixedly mounted on the surface of the connecting plate, a plurality of positioning blocks which are uniformly distributed are connected to the surface of one side of the mounting plate, the mounting cylinder is arranged on the surface of the other side of the mounting plate, the inside of the mounting cylinder is movably connected with the sliding circular ring through a telescopic spring, one end of the sliding circular ring is movably connected with the clamping shaft through a rotating shaft, force application rods are symmetrically mounted on the periphery of the sliding circular ring, and four first fixed clamping blocks are uniformly arranged on the surface of the periphery of one end of the clamping shaft in a surrounding mode; the second fixing device includes: the fixing plate is positioned on one side of the mounting plate and is fixedly connected with the connecting plate of the second filter plate, and a plurality of limiting holes which are the same as the positioning blocks in number and are matched with the positioning blocks are formed in the surface of the fixing plate, so that the positioning blocks can be limited in position; the card axle runs through the inside of mounting panel and fixed plate, and the surface of the fixed plate of laminating behind the inside of passing mounting panel and fixed plate of first fixed fixture block, thereby can make fixed plate and mounting panel laminating make to be connected fixedly between two adjacent filter plates.

Further, in the embodiment of the present invention, a connection portion between the clamping shaft and the sliding ring is provided with a snap spring which can be reset after the clamping shaft rotates, four second fixed fixture blocks are uniformly arranged on the outer peripheral surface of the clamping shaft in a surrounding manner, and the outer surface of each second fixed fixture block is higher than the outer surface of the first fixed fixture block; the surface of the mounting cylinder is provided with four second sliding grooves which are uniformly distributed, one ends of two symmetrical second sliding grooves are connected and respectively provided with a first sliding groove, the second sliding grooves can contain a second fixed clamping block, and the first sliding grooves can contain a force application rod.

Furthermore, in the embodiment of the present invention, two symmetrical first fixing holes are disposed on the surface of the mounting plate, and the first fixing block and the second fixing block can pass through the first fixing hole; the fixing device is characterized in that four limiting grooves which are uniformly distributed and can accommodate second fixing fixture blocks are further formed in the first fixing holes, two symmetrical second fixing holes are formed in the surface of the fixing plate, the second fixing holes and the first fixing holes are in the same circle center, and the first fixing fixture blocks can penetrate through the second fixing holes.

Further, in the embodiment of the utility model, it has fixing hole to open on the surface of first fixed fixture block, is provided with four evenly distributed's flexible fixture block in the one side of fixed plate with the laminating of first fixed fixture block, and flexible fixture block passes through spring and first fixed fixture block swing joint, and a side surface of flexible fixture block sets up to the inclined plane.

Further, in the embodiment of the present invention, a guide surface is provided on one surface of the fixing plate attached to the mounting plate, the guide surface is communicated with the limiting hole as an integral structure, and the guide surface is disposed to be inclined inward.

The utility model has the advantages that: the utility model discloses an interior filter screen that the metal was made and outer filter screen can improve the bulk hardness of swimming pool filter core, and are sturdy and durable, receive the rivers impact also indeformable for a long time. Inner filter core is set up in the centre of inner filter screen and outer filter screen, can be according to the in-service use condition and filter core or inner filter screen and outer filter screen in the quick replacement, reduced the use cost of swimming pool filter core, do not need wholly to change. Constitute the swimming pool filter core through first filter plate, second filter plate, third filter plate, fourth filter plate, can reduce the whole size that the swimming pool filter core transported the in-process to if there is damaged area in the use, only need change damaged area alone (need not scrap whole swimming pool filter core and handle), reduce the replacement cost.

Drawings

The present application is further described below with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of a detachable sheet type swimming pool filter element according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of a first filter plate of a detachable sheet type swimming pool filter element according to an embodiment of the present invention.

Fig. 3 is a schematic view of the mounting plate and the fixing plate of the detachable plate type swimming pool filter element according to the embodiment of the present invention.

Fig. 4 is a schematic view of the matching structure of the mounting plate and the mounting cylinder of the detachable plate type swimming pool filter element of the embodiment of the present invention.

Fig. 5 is a schematic view of a fixing plate structure of a detachable plate type swimming pool filter element according to an embodiment of the present invention.

Fig. 6 is a schematic view of another direction of the fixing plate of the detachable plate type swimming pool filter element according to the embodiment of the present invention.

Fig. 7 is a schematic view of a structure of the present invention showing the cooperation between a mounting plate and a clamping shaft of a detachable sheet type swimming pool filter element.

Fig. 8 is a schematic view of a mounting plate structure of a detachable sheet type swimming pool filter element according to an embodiment of the present invention.

Fig. 9 is a schematic view of a structure of the present invention, which is matched with a shaft and a mounting tube of a detachable plate type swimming pool filter element.

Fig. 10 is a schematic structural view of a sectional view of an installation cylinder of a detachable sheet type swimming pool filter element according to an embodiment of the present invention.

10. First filter plate 101, mounting cover 102, inner strainer

103. Butt plate 104, outer filter screen 105, inner filter core

106. Connecting plate 20, second filter plate 30 and third filter plate

40. Fourth filter plate

50. Connecting assembly 60, first fixing device 601 and mounting plate

602. First protective shell 603, mounting cylinder 6031 and first chute

6032. A second sliding slot 604, a shaft 605 and a positioning block

606. First fixing block 6061, fixing through hole 607 and first fixing hole

608. A limit groove 609, a second fixed fixture block 6010 and a telescopic spring

6011. Sliding ring 6012 and force application rod

70. Second fixing device 701, fixing plate 702 and second protective shell

703. Stopper hole 7031, guide surface 704, and second fixing hole

705. Telescopic clamping block

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some, but not all, embodiments of the present invention and are not to be considered as limiting, and that all other embodiments can be made by one of ordinary skill in the art without any inventive work.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

The first embodiment is as follows:

as shown in fig. 1 and 2, this embodiment discloses a can dismantle piece formula swimming pool filter core, including the curved filter core of a plurality of, the filter plate is connected around forming a complete circular filter core, and the internal surface between two adjacent filter plates is provided with buckle components, can fix the junction of two adjacent filter plate internal surfaces through buckle components, and buckle components includes: first buckle, the second buckle, first buckle and the mutual lock joint of second buckle form the lock and die, make the internal surface junction of filter plate connect fixedly, it is preferred, in this embodiment, the filter plate sets up to four and divide into first filter plate 10, second filter plate 20, third filter plate 30, fourth filter plate 40, first filter plate 10, second filter plate 20, third filter plate 30, fourth filter plate 40 sets up the same structure, pass through first filter plate 10 with the swimming pool filter core, second filter plate 20, third filter plate 30, fourth filter plate 40 constitutes, can reduce the whole size of swimming pool filter core transportation in-process, and if there is damaged area in the use, only need to change damaged area alone (need not scrap whole swimming pool filter core), reduce the replacement cost, it is concrete, use first filter plate 10 as an example, include: inner filter element 105, inner filter screen 102, outer filter screen 104, installation lid 101, inner filter element 105, outer both sides surface is provided with inner filter screen 102 and outer filter screen 104 respectively and forms the lamellar structure, inner filter screen 102 sets up inner filter screen 105 with the centre of outer filter screen 104 including, can be according to the in-service use condition and inner filter screen 105 of quick replacement or inner filter screen 102 and outer filter screen 104, the use cost of swimming pool filter core has been reduced, do not need whole change, inner filter screen 102 and outer filter screen 104 select for use the metal material to make, cover respectively at inner filter screen 105's relative both ends and install installation lid 101, can cover the lamellar structure, cover respectively in inner filter screen 105's relative both sides and install connecting plate 106, can cover around inner filter screen 105 with installation lid 101 cooperation. The inner and

outer screens

102, 104 made of metal can improve the overall hardness of the pool filter element, and are sturdy and durable and are not easily deformed by long-term water flow impact.

At first filter plate 10, second filter plate 20, third filter plate 30, the peripheral surface evenly distributed of the circular filter core that fourth filter plate 40 formed installs four groups of coupling assembling 50, a surface for connecting two adjacent filter plates, and coupling assembling 50 sets up at every junction of circular filter core, connect fixedly through coupling assembling 50 and buckle subassembly respectively to the junction of circular filter core surface and internal surface, make circular filter core monolithic connectivity firm, can not take place the phenomenon that breaks away from between the filter plate, use a set of coupling assembling 50 wherein as an example, include: the first fixing means 60 and the second fixing means 70 enable the opposite-direction surfaces of the first filter plate 10 and the second filter plate 20 to be fixedly connected by the first fixing means 60 and the second fixing means 70.

As shown in fig. 2, 3, 7, 9 and 10, in particular, the first fixing device 60 includes: mounting panel 601, installation section of thick bamboo 603, slip ring 6011, card axle 604, mounting panel 601 fixed mounting is on the surface of connecting plate 106, be connected with a plurality of evenly distributed locating piece 605 on one side surface of mounting panel 601, be provided with installation section of thick bamboo 603 on the opposite side surface of mounting panel 601, there is slip ring 6011 the inside of installation section of thick bamboo 603 through expanding spring 6010 swing joint, through rotation axis swing joint between one end of slip ring 6011 and the card axle 604, install application of force pole 6012 in the periphery symmetry of slip ring 6011, evenly encircle and install four first fixed fixture blocks 606 in the one end peripheral surface of card axle 604.

As shown in fig. 4, 5 and 10, in particular, the second fixing device 70 includes: the fixing plate 701 is positioned on one side of the mounting plate 601 and is fixedly connected to the connection plate 106 of the second filter plate 20, and a plurality of stopper holes 703, the number of which is the same as that of the positioning blocks 605 and which are adapted to the positioning blocks, are formed in the surface of the fixing plate 701, so that the positioning blocks 605 can be positionally regulated. The force application rod 6012 can more conveniently move the sliding ring 6011 toward the fixing plate 701, so that the clamping shaft 604 can more quickly penetrate through the fixing plate 701 to enable the first fixing clamping block 606 to be attached to the surface of the fixing plate 701.

The clamping shaft 604 penetrates through the mounting plate 601 and the fixing plate 701, and the first fixing clamping block 606 is attached to the surface of the fixing plate 701 after penetrating through the mounting plate 601 and the fixing plate 701, so that the fixing plate 701 is attached to the mounting plate 601, and the first filter plate 10 and the second filter plate 20 are connected and fixed.

As shown in fig. 9 and 10, specifically, a clamp spring capable of returning after the rotation of the clamp shaft 604 is disposed at a connection between the clamp shaft 604 and the sliding ring 6011, four second fixed blocks 609 are uniformly arranged on the outer circumferential surface of the clamp shaft 604 in a surrounding manner, and the outer surface of the second fixed block 609 is higher than the outer surface of the first fixed block 606; the surface of the mounting cylinder 603 is provided with four second sliding grooves 6032 which are uniformly distributed, one ends of the two symmetrical second sliding grooves 6032 are respectively provided with a first sliding groove 6031, the second sliding grooves 6032 can accommodate a second fixed clamping block 609, and the first sliding grooves 6031 can accommodate a force application rod 6012. The force application rod 6012 and the second fixing block 609 are respectively guided in position by the first sliding groove 6031 and the second sliding groove 6032, so that the clamping shaft 604 and the sliding ring 6011 can be accurately reset, and the clamping shaft 604 is prevented from being disengaged from the second fixing hole 704. The clamp shaft 604 can be automatically reset after rotating through the clamp spring, manual adjustment is not needed, and the clamp shaft 604 can be conveniently separated from the second fixing hole 704.

As shown in fig. 5, 8 and 9, specifically, two symmetrical first fixing holes 607 are provided on the surface of the mounting plate 601, and the first fixing holes 607 can penetrate through the first fixing latch 606 and the second fixing latch 609; four limiting grooves 608 which are uniformly distributed and can accommodate a second fixing clamping block 609 are further arranged in the first fixing hole 607, two symmetrical second fixing holes 704 are arranged on the surface of the fixing plate 701, the second fixing holes 704 and the first fixing hole 607 form the same circle center, and the first fixing clamping block 606 can penetrate through the second fixing holes 704.

As shown in fig. 5, 6, and 9, specifically, a fixing through hole 6061 is formed in a surface of the first fixing latch 606, four telescopic latches 705 are uniformly distributed on a surface of the fixing plate 701, which is attached to the first fixing latch 606, the telescopic latches 705 are movably connected to the first fixing latch 606 through springs, and a side surface of the telescopic latches 705 is an inclined surface. A guide surface 7031 is provided on the surface of the fixing plate 701 which is in contact with the mounting plate 601, the guide surface 7031 is integrally communicated with the stopper hole 703, and the guide surface 7031 is inclined inward. After the clamping shaft 604 rotates to form fit with the fixing plate 701 through the matching of the fixing through hole 6061 and the telescopic clamping block 705, the clamping shaft 604 is prevented from resetting due to the torsion of the clamping spring, and therefore the clamping shaft 604 is prevented from being separated from the fixing plate 701.

The working principle of the utility model is as follows: taking the example of fixedly connecting the first filter plate 10 and the second filter plate 20, the second fixing device 70 is mounted on the connecting plate 106 of the first filter plate 10, the first fixing device 60 is mounted on the connecting plate 106 of the second filter plate 20, and the first filter plate 10 and the second filter plate 20 are manually brought close to each other, so that the mounting plate 601 of the first fixing device 60 moves toward the fixing plate 701 of the second fixing device 70, and the positioning block 605 is inserted into the limiting hole 703 to limit the position of the mounting plate 601.

After the mounting plate 601 and the fixing plate 701 are attached to each other, the force application rod 6012 is manually squeezed, the force application rod 6012 is moved towards the fixing plate 701, the force application rod 6012 drives the sliding ring 6011 and the clamping shaft 604 movably connected with the sliding ring 6011 to also move towards the fixing plate 701, the first fixed clamping block 606 and the second fixed clamping block 609 penetrate through the first fixing hole 607 and the second fixing hole 704, when the second fixed clamping block 609 moves to the limiting groove 608, the first fixed clamping block 606 extends out of the fixing plate 701, the clamping shaft 604 is manually rotated (as shown in fig. 3) to rotate counterclockwise, and the first fixed clamping block 606 is attached to the surface of the fixing plate 701; when the clamping shaft 604 rotates counterclockwise, the first fixing clamping block 606 presses the telescopic clamping block 705 movably mounted on the surface of the fixing plate 701, so that the telescopic clamping block 705 moves towards the inside of the fixing plate 701, and when the clamping shaft 604 rotates to the fixing through hole 6061 to be matched with the telescopic clamping block 705, the telescopic clamping block 705 is sprung out of the fixing through hole 6061 through the spring connected with the fixing plate 701, so that the telescopic clamping block 705 is embedded into the fixing through hole 6061, thereby fixing the position of the clamping shaft 604, and further realizing the fixed connection between the mounting plate 601 and the fixing plate 701, so that the first filter plate 10 is connected with the second filter plate 20.

When the first filter plate 10 and the second filter plate 20 are disassembled, the four telescopic fixture blocks 705 are applied with force at one time through the insertion pins matched with the fixed through holes 6061, so that the telescopic fixture blocks 705 move towards the inside of the fixing plate 701, when the telescopic fixture blocks 705 are separated from the fixed through holes 6061, the clamping shaft 604 is rotated and reset clockwise through the clamping springs due to the clamping springs arranged at the joints of the clamping shaft 604 and the sliding ring 6011, when the clamping shaft 604 resets, the sliding ring 6011 is interactively connected with the mounting cylinder 603 through the springs due to the sliding ring 6011, the sliding ring 6011 and the clamping shaft 604 are pulled back to the initial positions under the pulling force of the springs, so that the mounting plate 601 is separated from the fixing plate 701, and so on, the second filter plate 20 is fixedly connected or disassembled with the third filter plate 30, and the third filter plate 30 and the fourth filter plate 40 through the above method, and the assembly and disassembly separation of the filter element are realized.

Although the illustrative embodiments of the present application have been described above to enable those skilled in the art to understand the present application, the present application is not limited to the scope of the embodiments, and various modifications within the spirit and scope of the present application defined and determined by the appended claims will be apparent to those skilled in the art from this disclosure.

Claims

1. The utility model provides a can dismantle piece formula swimming pool filter core, includes the curved filter plate of a plurality of, just the filter plate is connected around forming a complete circular filter core, its characterized in that:

the inside surface between two adjacent filter plates is provided with buckle subassembly, can be through buckle subassembly adjacent two the junction of filter plate internal surface is fixed, and buckle subassembly includes: the first buckle and the second buckle are buckled with each other to form a lock, so that the inner surface joint of the filter plate is connected and fixed;

take one of the filter plates as an example, including: the filter comprises an inner filter element, an inner filter screen, an outer filter screen and mounting covers, wherein the inner filter screen and the outer filter screen are respectively arranged on the surfaces of the inner side and the outer side of the inner filter element to form a layered structure;

the peripheral surface evenly distributed of circular filter core installs a plurality of groups coupling assembling for connect the surface of two adjacent filter plates, just coupling assembling sets up every junction of circular filter core, and wherein a set of coupling assembling exemplifies, includes: the first fixing device and the second fixing device can fixedly connect the filter plates;

the first fixing device includes: the mounting plate is fixedly mounted on the surface of the connecting plate, a plurality of uniformly distributed positioning blocks are connected to the surface of one side of the mounting plate, the mounting cylinder is arranged on the surface of the other side of the mounting plate, the sliding ring is movably connected inside the mounting cylinder through an expansion spring, one end of the sliding ring is movably connected with the clamping shaft through a rotating shaft, force applying rods are symmetrically mounted on the periphery of the sliding ring, and four first fixed clamping blocks are uniformly mounted on the peripheral surface of one end of the clamping shaft in a surrounding manner;

the second fixing device includes: the fixing plate is positioned on one side of the mounting plate and is fixedly connected with the connecting plate of the filter plate, and a plurality of limiting holes which are the same in number as the positioning blocks and are matched with the positioning blocks are formed in the surface of the fixing plate, so that the positioning blocks can be limited in position;

the card axle runs through the mounting panel with the inside of fixed plate, just first fixed fixture block is passing the mounting panel with laminating behind the inside of fixed plate the surface of fixed plate can make the fixed plate with thereby the mounting panel laminating makes adjacent two connect fixedly between the filter plate.

2. The swimming pool filter core of a detachable plate type as claimed in claim 1, wherein a clamp spring capable of resetting after the rotation of the clamp shaft is arranged at the joint of the clamp shaft and the sliding ring, four second fixed blocks are uniformly arranged around the outer circumferential surface of the clamp shaft, and the outer surface of the second fixed block is higher than the outer surface of the first fixed block;

the surface of the mounting cylinder is provided with four second sliding grooves which are uniformly distributed, one ends of two symmetrical second sliding grooves are respectively provided with a first sliding groove, the second sliding grooves can accommodate the second fixed clamping blocks, and the first sliding grooves can accommodate the force application rods.

3. A removable sheet swimming pool filter element according to claim 2, wherein two symmetrical first fixing holes are provided on the surface of said mounting plate, and said first fixing holes are capable of passing through said first fixing block and said second fixing block;

the inner part of the first fixing hole is also provided with four limiting grooves which are uniformly distributed and can contain the second fixing fixture blocks, the surface of the fixing plate is provided with two symmetrical second fixing holes, the second fixing holes and the first fixing holes form the same circle center, and the first fixing fixture blocks can penetrate through the inner parts of the second fixing holes.

4. The swimming pool filter core with detachable sheets as claimed in claim 3, wherein the first fixing block has a through hole on its surface, and four retractable blocks are uniformly distributed on the surface of the fixing plate that is attached to the first fixing block, the retractable blocks are movably connected to the first fixing block through springs, and one side surface of the retractable block is an inclined surface.

5. The removable sheet type swimming pool filter element as recited in claim 4, wherein a guide surface is provided on a surface of said fixing plate that is attached to said mounting plate, said guide surface is integrally connected to said limiting hole, and said guide surface is inclined inwardly.