CN212632018U - Sealed end cover assembly of spin-on filter element - Google Patents

Abstract

The application provides a sealed end cover component of a spin-on filter element, wherein threads are arranged on the inner wall of the filter element close to the end part, and the end cover component comprises an end cover and a rubber sealing sleeve which is detachably sleeved on the end part of the filter element; the end cover is arranged into an integrally formed T-shaped structure and comprises a connecting part and an outer edge, the connecting part is provided with an external thread matched with the thread of the filter element, and the outer edge is arranged on one side of the connecting part away from the filter element; the rubber sealing sleeve is integrally formed, and the end cover is connected with the filter element and then sleeved on the end part of the filter element and is respectively attached to the outer edge surface and the outer wall surface of the filter element. The beneficial effect of this application is: the connecting part of the end cover is connected with the filter element by screwing threads, and then the rubber sealing sleeve is sleeved between the end part of the filter element and the end cover, so that the sealing property of the connecting part of the end cover and the end part of the filter element can be conveniently ensured, and the problems that the sealing rubber pad is damaged by radial force extrusion or the sealing rubber pad is displaced and the like due to the fact that the sealing rubber pad is bonded with the surface of the end cover in the prior art are avoided.

Description

Sealed end cover assembly of spin-on filter element

Technical Field

The utility model relates to a technical field of filter core equipment, concretely relates to sealed end cover subassembly of spin-on filter core.

Background

In the prior art, the end part of the spin-on filter element is assembled, as shown in fig. 1, a sealing rubber pad is bonded on the surface of the end cover to increase the sealing performance of the end part assembly, and the sealing rubber pad is easily extruded and damaged by radial force or is stable due to the increase of friction force in the final stage of the installation of screwing the end cover into the filter element, so that the sealing performance of the end part of the filter element is affected.

Disclosure of Invention

The purpose of this application is to provide a sealed end cover subassembly of spin-on filter core to above problem.

In a first aspect, the application provides a sealed end cover assembly of a spin-on filter element, wherein threads are arranged on the inner wall of the filter element close to the end part, and the end cover assembly comprises an end cover and a rubber sealing sleeve detachably sleeved on the end part of the filter element; the end cover is arranged into an integrally formed T-shaped structure and comprises a connecting part and an outer edge, wherein the connecting part is provided with an external thread matched with the thread of the filter element, and the outer edge is arranged on one side of the connecting part, which is far away from the filter element; the rubber sealing sleeve is integrally formed, and after the end cover is connected with the filter element, the rubber sealing sleeve is sleeved at the end part of the filter element and is respectively attached to the outer edge surface and the outer wall surface of the filter element.

According to the technical scheme that this application embodiment provided, with the outer border of rubber seal cover surface laminating on the surface circumference set up the first portion that rises of a plurality of protuberances, the surface and the first portion surface laminating contact that rises of rubber seal cover.

According to the technical scheme that this application embodiment provides, the outside corresponds each along the surface first tight portion that rises sets up the mounting groove respectively, the bottom of first tight portion that rises is connected with the spring, the one end that first tight portion that rises is kept away from to the spring is connected on the tank bottom of mounting groove.

According to the technical scheme provided by the embodiment of the application, the rubber sealing sleeve is provided with a plurality of positioning lugs corresponding to the circumferential direction of the surface of the outer edge, the outer edge is provided with positioning grooves corresponding to the positioning lugs respectively, and the positioning lugs are connected with the positioning grooves in a clamping mode.

According to the technical scheme that this application embodiment provided, the rubber seal cover sets up a plurality of positioning slot corresponding to the surperficial circumference of filter core outer wall, correspond each on the outer wall of filter core positioning slot sets up the location inserted sheet respectively, the location inserted sheet is pegged graft in the positioning slot.

According to the technical scheme that this application embodiment provided, with the filter core outer wall surface circumference of rubber seal cover surface laminating sets up the second of a plurality of protuberances and rises and tightly the portion, the surface and the second of rubber seal cover that rises and tightly the portion surface laminating contact.

The invention has the beneficial effects that: the application provides a tip to filter core is assembled and sealed technical scheme, adorn threaded connection with the connecting portion and the filter core of end cover soon, for guaranteeing end cover and filter core end connection's leakproofness, establish rubber seal cover between the tip and the end cover of filter core again after end cover and filter core end connection, can conveniently guarantee the leakproofness of end cover and filter core end connection department, avoid simultaneously among the prior art to bond sealed cushion and end cover surface, because frictional force increases at the installation final stage of end cover screw in filter core, easily cause sealed cushion by radial force extrusion damage or take place sealed cushion aversion scheduling problem, thereby influence the leakproofness of filter core tip.

Drawings

FIG. 1 is a cross-sectional view of a first embodiment of the present application;

fig. 2 is a cross-sectional view of the first tensioning part in fig. 1;

FIG. 3 is a schematic view of a portion of the first tensioning portion with a spring according to the first embodiment;

FIG. 4 is a schematic partial structure diagram of a first embodiment of a positioning protrusion and a positioning groove;

FIG. 5 is a schematic view of a portion of the first embodiment with a positioning insert;

FIG. 6 is a partial schematic view of the first embodiment with a second tensioning portion;

the text labels in the figures are represented as: 100. a filter element; 110. positioning the inserting sheet; 120. a second tensioning part; 210. a connecting portion; 220. an outer edge; 221. a first tensioning part; 222. mounting grooves; 223. a spring; 224. a positioning groove; 300. a rubber sealing sleeve; 310. and positioning the projection.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings, and the description of the present section is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1, which is a schematic view of a first embodiment of the present application, the inner wall of the filter element 100 near the end portion is provided with threads, and the end cap assembly includes an end cap and a rubber sealing sleeve 300 that detachably sleeves the end portion of the filter element 100; the end cover is arranged into an integrally formed T-shaped structure and comprises a connecting part 210 and an outer edge 220, wherein an external thread matched with the thread of the filter element 100 is arranged on the connecting part 210, and the outer edge 220 is arranged on one side, far away from the filter element 100, of the connecting part 210; the rubber sealing boot 300 is integrally formed, and after the end cover is connected with the filter element 100, the rubber sealing boot 300 is sleeved at the end part of the filter element 100 and is respectively attached to the surface of the outer edge 220 and the surface of the outer wall of the filter element 100.

In this embodiment, the end cap passes through the tip of threaded connection at filter core 100, connecting portion 210 screws in filter core 100, outer border 220 sets up in the filter core 100 tip outside, there is the gap when the end cap is connected with the end of filter core 100, consequently, correspond the end cap at the tip of filter core 100 and set up rubber seal cover 300 for guaranteeing the leakproofness of filter core 100, rubber seal cover 300 cover is established between filter core 100 tip and end cover, because rubber seal cover 300 and end cap are the isolating construction in this embodiment, connect the end cap at filter core 100 tip earlier, again establish rubber seal cover 300 cover between filter core 100 tip and end cap, increase the convenience of carrying out the leakproofness protection operation to filter core 100 tip, and because the plasticity of rubber seal cover 300 consequently can be suitable for the end cap of different shapes and the filter core 100 tip of different shapes, increase rubber.

In a preferred embodiment, as shown in fig. 2, a plurality of protruding first tensioning portions 221 are circumferentially disposed on the surface of the outer edge 220 attached to the surface of the rubber sealing sleeve 300, and the surface of the rubber sealing sleeve 300 is attached to and in contact with the surface of the first tensioning portions 221. In this preferred embodiment, when the surfaces of the rubber sealing boot 300 and the outer rim 220 are not completely adapted so that the surfaces of the rubber sealing boot 300 and the outer rim 220 are not completely attached to each other and a gap exists, the surface of the outer rim 220 is provided with the first tensioning portion 221, so that the surface of the rubber sealing boot 300 can be attached to the surface of the first tensioning portion 221, thereby increasing the sealing performance of the surface attachment of the rubber sealing boot 300 and the outer rim 220.

In a preferred embodiment, as shown in fig. 3, a mounting groove 222 is respectively formed on the surface of the outer edge 220 corresponding to each of the first tensioning portions 221, a spring 223 is connected to the bottom of each of the first tensioning portions 221, and one end of the spring 223, which is far away from the first tensioning portion 221, is connected to the bottom of the mounting groove 222. In the preferred embodiment, the first tensioning portion 221 is elastically connected to the surface of the outer edge 220, so that the requirements of different tensioning amounts of the surfaces of the rubber sealing sleeve 300 and the outer edge 220 can be met, and the requirements of the fit sealing of the surfaces of the rubber sealing sleeve 300 and the outer edge 220 with different sizes can also be met.

In a preferred embodiment, as shown in fig. 4, a plurality of positioning protrusions 310 are circumferentially disposed on the surface of the rubber sealing boot 300 corresponding to the outer rim 220, positioning grooves 224 are respectively disposed on the surface of the outer rim 220 corresponding to each of the positioning protrusions 310, and the positioning protrusions 310 are connected with the positioning grooves 224 in a snap-fit manner.

In the preferred embodiment, when the rubber sealing boot 300 is attached to the surface of the outer rim 220, each positioning protrusion 310 of the rubber sealing boot 300 is engaged with the positioning groove 224, so as to position the rubber sealing boot 300 and increase the stability of the connection between the rubber sealing boot 300 and the outer rim 220.

In a preferred embodiment, as shown in fig. 5, a plurality of positioning slots are circumferentially arranged on the surface of the rubber sealing sleeve 300 corresponding to the outer wall of the filter element 100, positioning insertion pieces 110 are respectively arranged on the outer wall of the filter element 100 corresponding to each positioning slot, and the positioning insertion pieces 110 are inserted into the positioning slots.

In the preferred embodiment, when the rubber sealing boot 300 is attached to the outer wall surface of the filter element 100, the positioning insertion piece 110 on the outer wall of the filter element 100 is inserted into the positioning insertion slot, so as to position the rubber sealing boot 300 and increase the stability of the connection between the rubber sealing boot 300 and the outer wall of the filter element 100.

In a preferred embodiment, as shown in fig. 6, a plurality of second tensioning portions 120 are circumferentially disposed on the outer wall surface of the filter element 100, which is attached to the surface of the rubber sealing sleeve 300, and the surface of the rubber sealing sleeve 300 is attached to and in contact with the surfaces of the second tensioning portions 120.

In this preferred embodiment, when the rubber sealing boot 300 and the outer wall surface of the filter element 100 are not completely adapted so that the surfaces of the two cannot be completely attached to each other and a gap exists, the protruding second tensioning portion 120 is disposed on the outer wall surface of the filter element 100, so that the surface of the rubber sealing boot 300 can be attached to the surface of the second tensioning portion 120, thereby increasing the sealing performance between the rubber sealing boot 300 and the outer wall surface of the filter element 100.

The principles and embodiments of the present application are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present application, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments, or may be learned by practice of the invention.

Claims (6)

1. A screw-on type filter element seal end cover component, the inner wall of the filter element (100) close to the end is provided with screw threads, which is characterized in that the filter element seal end cover component comprises an end cover and a rubber seal sleeve (300) which is detachably sleeved on the end of the filter element (100);

the end cover is of an integrally formed T-shaped structure and comprises a connecting part (210) and an outer edge (220), wherein an external thread in threaded fit with the filter element (100) is arranged on the connecting part (210), and the outer edge (220) is arranged on one side, away from the filter element (100), of the connecting part (210);

the rubber sealing sleeve (300) is integrally formed, and after the end cover is connected with the filter element (100), the rubber sealing sleeve (300) is sleeved at the end part of the filter element (100) and is respectively attached to the surface of the outer edge (220) and the surface of the outer wall of the filter element (100).

2. The sealed end cap assembly of the spin-on filter cartridge as recited in claim 1, wherein a plurality of raised first tensioning portions (221) are circumferentially disposed on the surface of the outer rim (220) attached to the surface of the rubber sealing boot (300), and the surface of the rubber sealing boot (300) is in surface-to-surface contact with the first tensioning portions (221).

3. The spin-on cartridge seal end cap assembly of claim 2, wherein the outer edge (220) has a mounting groove (222) corresponding to each of the first tightening portions (221), a spring (223) is connected to the bottom of each of the first tightening portions (221), and one end of the spring (223) away from the first tightening portion (221) is connected to the bottom of the mounting groove (222).

4. The spin-on cartridge seal end cap assembly according to claim 1, wherein the rubber sealing boot (300) is provided with a plurality of positioning protrusions (310) circumferentially on the surface corresponding to the outer rim (220), the surface of the outer rim (220) is provided with positioning grooves (224) respectively corresponding to the positioning protrusions (310), and the positioning protrusions (310) are connected with the positioning grooves (224) in a clamping manner.

5. The seal end cover assembly of the spin-on filter element according to claim 1, wherein the rubber sealing boot (300) is provided with a plurality of positioning slots corresponding to the circumferential direction of the outer wall of the filter element (100), the outer wall of the filter element (100) is provided with positioning insertion pieces (110) corresponding to the positioning slots, and the positioning insertion pieces (110) are inserted into the positioning slots.

6. The sealed end cap assembly of a spin-on filter cartridge as recited in claim 1, wherein the surface of the outer wall of the filter cartridge (100) that is attached to the surface of the rubber sealing boot (300) is circumferentially provided with a plurality of second raised portions (120), and the surface of the rubber sealing boot (300) is attached to and contacts the surface of the second raised portions (120).

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