Linkage type sealing inner accessory of swimming pool filter

Abstract

The utility model discloses a linkage type sealing inner accessory of a swimming pool filter. The linkage type sealing inner accessory is characterized by further comprising a filter upper cover installed on the filter and a linkage type sealing piece arranged between the filter upper cover and the filter. The linkage type sealing piece comprises a base arranged on the filter upper cover, a spring barrel detachably installed on the base, a guide rail connecting rod installed in the spring barrel in a sliding mode, a spring arranged in the spring barrel and located between the guide rail connecting rod and the base, and a sealing conical head installed at the other end of the guide rail connecting rod. Through the arrangement of a linkage type sealing structure, the guide rail connecting rod can provide a larger moving stroke for the sealing conical head under the action of the spring, so that the purpose of adapting to filter elements with different lengths can be achieved, and the purpose of adapting to filter elements with different inner diameters is achieved by combining the conical arrangement of the outer side of the sealing conical head; and the combination of the two enables the dimensional tolerance of the filter element to be freely amplified, so that the adaptation to filter elements with different sizes is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to a filter, concretely refers to swimming pool filter linkage type sealing inner fitting. BACKGROUND

[0002] In the existing filter (swimming pool filter), the assembly seal between the filter core and the filter usually adopts colloid seal, and the basic principle of the colloid seal mode is to use the adhesion of the adhesive to tightly connect the filter core and the filter together to form an effective sealing structure.

[0003] However, the colloid itself has a short service life, and long-term use may cause the seal to fail due to aging of the colloid, and the colloid material itself is easy to break, and factors such as chemical substances, particulate matter that may be contained in the filtered liquid and fluctuations in water temperature may adversely affect the adhesive, accelerating its aging and degradation process. At the same time, if the filter is subjected to excessive external impact or vibration during use, the colloid seal structure may also be damaged. Therefore, a swimming pool filter linkage type sealing inner fitting is proposed. SUMMARY

[0004] The utility model discloses a swimming pool filter linkage type sealing inner fitting to solve the above problems.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme swimming pool filter linkage type sealing inner fitting, including filter and filter core installed in filter;Its characterized in that still include filter upper cover installed on filter and set up in filter upper cover and filter between linkage type sealing piece, the linkage type sealing piece contain the base set up on filter upper cover, the spring cylinder body of detachable installation on the base, the guide rail connecting rod of sliding installation in the spring cylinder body, the spring of setting in the spring cylinder body and being between the guide rail connecting rod and the base and the sealing cone head of installation on the other end of guide rail connecting rod.

[0006] Further preferably, it further comprises a limiting guide structure arranged on the spring cylinder body and the guide rail connecting rod, which limits the circumferential position of the guide rail connecting rod and guides the axial movement. The limiting guide structure comprises a guide block arranged on the spring cylinder body and a guide groove arranged on the guide rail connecting rod and matched with the guide block.

[0007] Further preferably, it further comprises a plurality of clamping grooves arranged on the sealing cone head and a plurality of clamping strips arranged on the guide rail connecting rod and matched with the clamping grooves.

[0008] Further preferably, the sealing cone head is conical on the outside and is formed by injection molding.

[0009] The utility model discloses a beneficial effect: through the setting of linkage type sealing structure, the guide rail connecting rod can give the movable stroke of bigger sealing cone head under the action of spring, can adapt to the purpose of filter core of different lengths, in combination the setting of the cone shape of sealing cone head outside, reach the purpose of adapting to filter core of different inner diameter, the size tolerance of filter core can be enlarged freely in combination, realize the adaptation of filter core of different sizes.

[0010] Through the setting of sealing cone head of injection moulding, sealing cone head and filter core inner wall form the taper hard seal form, solve the problem of colloid seal shorter service life and easy to break down;

[0011] Through the setting of spring, spring adopts high -strength spring, under the guarantee of sealing of compression sealing cone head, have certain movable surplus, can reduce the problem of sealing leakage and assembly too tight in the use process because of filter liquid hydraulic pressure;

[0012] Through the setting of sealing cone head, under the inclined surface guide of sealing cone head outside wall in assembly, can be accurately positioned to filter core center channel, insert assembly type design, reduce assembly difficulty, improve assembly efficiency;

[0013] Through the detachable installation of spring cylinder on the base, the linkage type sealing piece is detachable design, convenient for maintenance replacement, need not replace whole linkage type sealing piece and filter upper cover. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the cross section structure schematic drawing of the utility model;

[0015] Figure 2 It is the local cross section structure schematic drawing of the utility model;

[0016] Figure 3 It is the local structure schematic drawing of the utility model;

[0017] Figure 4 It is the local cross section structure schematic drawing of the utility model;

[0018] Figure 5 It is the structure schematic drawing of guide rail connecting rod in the utility model;

[0019] Figure 6 It is the structure schematic drawing of spring cylinder in the utility model.

[0020] Legend: 1, filter;2, filter core;3, filter upper cover;4, base;5, spring cylinder;6, guide rail connecting rod;7, spring;8, sealing cone head;9, guide block;10, guide groove;11, clamping groove;12, clamping strip. DETAILED DESCRIPTION

[0021] The swimming pool filter linkage type sealing inner fitting is further described below in combination with the drawings.

[0022] It should be noted that all directional indications such as up, down, left, right, front, back, etc. in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture such as shown in the drawings, and if the specific posture changes, the directional indications also change accordingly.

[0023] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood in a broad sense; for example, "fixation" can be fixed connection, or detachable connection, or integral; and can be mechanical connection, unless otherwise explicitly limited. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0024] Referring to Figures 1-6 The swimming pool filter linkage type sealing inner fitting, as shown in the drawings, comprises a filter 1 and a filter core 2 installed in the filter 1; characterized in that it further comprises a filter upper cover 3 installed on the filter 1 and a linkage type sealing member arranged between the filter upper cover 3 and the filter 1; the linkage type sealing member comprises a base 4 arranged on the filter upper cover 3, a spring cylinder body 5 detachably mounted on the base 4 through threads, a guide rail connecting rod 6 slidingly installed in the spring cylinder body 5, a spring 7 arranged in the spring cylinder body 5 and between the guide rail connecting rod 6 and the base 4, and a sealing cone head 8 mounted on the other end of the guide rail connecting rod 6;

[0025] Through the linkage type sealing structure arrangement, the guide rail connecting rod 6 can give the sealing cone head 8 a larger travel under the action of the spring 7, so as to adapt to filter cores 2 of different lengths, and in combination with the arrangement of the outer side cone of the sealing cone head 8, the purpose of adapting to filter cores 2 of different inner diameters is achieved, and the combination of the two makes the size tolerance of the filter core 2 freely enlarged, realizing the adaptation to filter cores 2 of different sizes;

[0026] Through the arrangement of the spring 7, the spring 7 adopts a high-strength spring 7, which has a certain activity allowance while ensuring the sealing of the sealing cone head 8, and can reduce the problems of sealing leakage and assembly over-tightening caused by the hydraulic pressure of the filtering liquid in the use process;

[0027] Through detachable mounting of the spring cylinder body 5 on the base 4, the linkage type sealing member is designed to be detachable, which is convenient for maintenance and replacement, and the entire linkage type sealing member and the filter upper cover 3 do not need to be replaced.

[0028] In one embodiment, further comprising a limiting guide structure arranged on the spring cylinder body 5 and the guide rail connecting rod 6 to limit the circumferential position of the guide rail connecting rod 6 and guide the axial movement, wherein the limiting guide structure comprises a guide block 9 arranged on the spring cylinder body 5 and a guide groove 10 arranged on the guide rail connecting rod 6 and matched with the guide block 9.

[0029] By arranging the guide block 9 and the guide groove 10, the circumferential position between the guide rail connecting rod 6 and the spring cylinder body 5 is limited, and the up-down movement of the guide rail connecting rod 6 on the spring cylinder body 5 is guided.

[0030] In one embodiment, further comprising a plurality of clamping grooves 11 arranged on the sealing cone head 8 and a plurality of clamping strips 12 arranged on the guide rail connecting rod 6 and matched with the clamping grooves 11.

[0031] By arranging the clamping grooves 11 and the clamping strips 12, the sealing cone head 8 is fixedly installed on the guide rail connecting rod 6, and the clamping grooves 11 and the clamping strips 12 are arranged in an arc shape.

[0032] In one embodiment, the outer side of the sealing cone head 8 is arranged in a conical shape by injection molding.

[0033] By arranging the sealing cone head 8 by injection molding, the sealing cone head 8 and the inner wall of the filter element 2 form a conical hard sealing form, which solves the problems of short service life and easy damage of the colloidal seal.

[0034] By arranging the sealing cone head 8, under the guide action of the inclined surface of the outer side wall of the sealing cone head 8 during assembly, the sealing cone head 8 can be accurately positioned to the center channel of the filter element 2, and the insertion assembly design reduces the assembly difficulty and improves the assembly efficiency.

[0035] The protection scope of the utility model is not limited to the above embodiments and their transformations. The routine modifications and replacements made by the skilled in the art based on the content of the embodiments all belong to the protection scope of the utility model.

Claims

1. A pool filter ganged seal internal fitting comprising a filter (1) and a filter cartridge (2) mounted within the filter (1); characterized by The filter upper cover (3) is installed on the filter (1), and a linkage seal is arranged between the filter upper cover (3) and the filter (1); the linkage seal comprises a base (4) arranged on the filter upper cover (3), a spring cylinder (5) detachably installed on the base (4), a guide rail connecting rod (6) slidably installed in the spring cylinder (5), a spring (7) arranged in the spring cylinder (5) and located between the guide rail connecting rod (6) and the base (4), and a sealing cone head (8) installed on the other end of the guide rail connecting rod (6).

2. The swimming pool filter ganged seal in-fitting of claim 1, wherein: A limiting guide structure is arranged on the spring cylinder (5) and the guide rail connecting rod (6) to limit the circumferential position of the guide rail connecting rod (6) and guide the axial movement; the limiting guide structure comprises a guide block (9) arranged on the spring cylinder (5) and a guide groove (10) arranged on the guide rail connecting rod (6) and matched with the guide block (9).

3. The swimming pool filter ganged seal in-fitting of claim 1, wherein: A plurality of clamping grooves (11) are arranged on the sealing cone head (8), and a plurality of clamping strips (12) matched with the clamping grooves (11) are arranged on the guide rail connecting rod (6).

4. The swimming pool filter ganged seal in-fitting of claim 3, wherein: The sealing cone head (8) is conical on the outside and is formed by injection molding.

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