CN216170388U - Multi-stage composite filter element - Google Patents

Abstract

The utility model belongs to the field of filter elements, and particularly relates to a multistage composite filter element which comprises a cylinder body, an upper end cover and a lower end cover, wherein the upper end of the cylinder body is fixedly connected with an air inlet and an air outlet, the upper end cover is fixedly connected with a threaded connecting sleeve, the threaded connecting sleeve is connected with the air inlet through threads, the bottom of the upper end cover is fixedly connected with a channel, a first-stage filter cylinder is sleeved outside the channel, a second-stage filter cylinder is sleeved outside the first-stage filter cylinder, the second-stage filter cylinder is connected with the upper end cover and the lower end cover through threads, and the bottom of the cylinder body is connected with a cylinder cover through threads. Through designing parts such as upper end cover, lower extreme cover, passageway, one-level cartridge filter, secondary filter section of thick bamboo, thread connection cover, constitute the secondary filter core, can effectual promotion filterable effect to can install simple and convenient through thread connection between the thread connection cover and the air inlet.

Description

Multi-stage composite filter element

Technical Field

The utility model belongs to the field of filter elements, and particularly relates to a multistage composite filter element.

Background

The filter element is a core component of the filter and is used for separating solid particles in liquid or gas. However, the existing filter element only has a primary filter structure, the filter effect is poor and the sealing plug performance is not good. Therefore, improvements are needed.

Disclosure of Invention

The utility model aims to provide a multistage composite filter element, which solves the problems that the existing filter element only has a one-stage filter structure, the filter effect is poor and the sealing plug performance is not good.

In order to achieve the above purpose, the utility model provides a multi-stage composite filter element, which comprises a cylinder body, an upper end cover and a lower end cover, wherein the upper end of the cylinder body is fixedly connected with an air inlet and an air outlet, the upper end cover is fixedly connected with a threaded connecting sleeve, the threaded connecting sleeve is connected with the air inlet through threads, the bottom of the upper end cover is fixedly connected with a channel, the outside of the channel is sleeved with a first-stage filter cylinder, the outside of the first-stage filter cylinder is sleeved with a second-stage filter cylinder, the second-stage filter cylinder is connected with the upper end cover and the lower end cover through threads, the bottom of the cylinder body is connected with a cylinder cover through threads, the inner side of the cylinder cover is fixedly connected with a sealing plug, the sealing plug is contacted with the cylinder body, the lower end cover is contacted with the sealing plug, two symmetrically distributed fixed blocks are fixedly connected on the cylinder cover, and limit pins are slidably connected in the fixed blocks, the limiting pin is connected with the barrel in a sliding mode, a pull block is fixedly connected to the limiting pin, and a spring is sleeved outside the limiting pin.

The principle of the utility model is as follows: when in use, the first-stage filter cylinder is sleeved outside the channel, the second-stage filter cylinder is sleeved outside the first-stage filter cylinder, the second-stage filter cylinder is connected to the upper end cover in a threaded manner, the lower end cover is connected to the bottom of the second-stage filter cylinder in a threaded manner, a threaded connecting sleeve on the upper end cover is connected to the air inlet in a threaded manner, the cylinder cover is taken out and connected to the cylinder body in a threaded manner, the inner sealing plug is tightly attached to the side wall of the cylinder body, so that a good sealing effect can be achieved, the pull block is pulled, the pull block drives the limiting pin to move and stretches the spring, after the cylinder cover is screwed down, the pull block is loosened, the spring resets to drive the pull block to reset, the limiting pin drives the limiting pin to reset, the limiting pin enters the limiting hole in the cylinder body, the cylinder cover is fixed, the cylinder cover is not easy to loosen, the sealing performance of the sealing plug is ensured, and then the air inlet hole of the cylinder cover enters the threaded connecting sleeve, then enters the channel through the threaded connecting sleeve, is discharged from the bottom of the channel, passes through the multistage filtration of the first-stage filter cartridge and the second-stage filter cartridge, and is discharged from the air outlet.

The utility model has the beneficial effects that: the secondary filtering filter element is formed by designing the upper end cover, the lower end cover, the channel, the primary filtering cylinder, the secondary filtering cylinder, the threaded connecting sleeve and other parts, the filtering effect can be effectively improved, and the secondary filtering filter element can be installed with the air inlet in a threaded connection mode through the threaded connecting sleeve, so that the secondary filtering filter element is simple and convenient;

through designing parts such as sealing plug, fixed block, spacer pin, pulling block, spring on the cover, behind cover and barrel threaded connection, the sealing plug receives the extrusion, can play fine sealed effect to utilize the spacer pin to cooperate with the spacing hole on the barrel, make the difficult not hard up of cover, guaranteed the leakproofness of sealing plug.

Furthermore, one end of the spring is fixedly connected with a pulling block, and the other end of the spring is fixedly connected with a fixing block. Through the design of spring, have the effect of supplementary reseing to the spacer pin.

Furthermore, a plurality of evenly distributed limiting holes are formed in the surface of the barrel, and limiting pins are connected in the limiting holes in a sliding connection mode. Through the design of spacing hole, with the spacer pin cooperation, have locking effect not hard up to the cover.

Further, the one-level cartridge filter all contacts with upper end cover and bottom end cover, the one-level cartridge filter is carbon fiber material. Through the design of one-level cartridge filter, play the effect of first filtration.

Furthermore, the sealing plug is in a circular truncated cone shape and is made of rubber. Through the design of the sealing plug, the cylinder cover is well sealed.

Drawings

FIG. 1 is a schematic view of a multi-stage composite filter element according to an embodiment of the present invention;

FIG. 2 is an enlarged view of section A of the multi-stage composite filter element of the embodiment of the utility model shown in FIG. 1;

fig. 3 is a front view of fig. 1 of a multi-stage composite filter element according to an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: barrel 1, air inlet 2, gas outlet 3, upper end cover 4, lower extreme cover 5, passageway 6, first grade cartridge filter 7, second grade cartridge filter 8, cover 9, sealing plug 10, fixed block 11, spacer pin 12, draw piece 13, spring 14, spacing hole 15, thread connection cover 16.

As shown in fig. 1, the embodiment provides a multistage composite filter element, including barrel 1, upper end cover 4 and lower end cover 5, upper end fixedly connected with air inlet 2 and air outlet 3 of barrel 1, fixedly connected with threaded connection sleeve 16 on upper end cover 4, threaded connection sleeve 16 passes through threaded connection with air inlet 2, bottom fixedly connected with passageway 6 of upper end cover 4, one-level cartridge filter 7 has been cup jointed to the outside of passageway 6, two-level cartridge filter 8 has been cup jointed to the outside of one-level cartridge filter 7, two-level cartridge filter 8 is polyethylene fiber material, two-level cartridge filter 8 all passes through threaded connection with upper end cover 4 and lower end cover 5, one-level cartridge filter 7 all contacts with upper end cover 4 and lower end cover 5, one-level cartridge filter 7 is carbon fiber material, design through one-level cartridge filter 7, play first filterable effect.

As shown in fig. 1, 2 and 3, a cylinder cover 9 is connected to the bottom of a cylinder 1 through threads, a sealing plug 10 is fixedly connected to the inner side of the cylinder cover 9, the sealing plug 10 is in contact with the cylinder 1, the sealing plug 10 is in contact with a lower end cover 5, the sealing plug 10 is in a circular truncated cone shape, and the sealing plug 10 is made of rubber. Through the design of sealing plug 10, fine sealed effect has been played to cover 9, fixed block 11 of two symmetric distributions of fixedly connected with on the cover 9, sliding connection has spacer pin 12 in fixed block 11, spacer pin 12 and 1 sliding connection of barrel, a plurality of evenly distributed's spacing hole 15 has been seted up on the surface of barrel 1, sliding connection has spacer pin 12 in spacing hole 15, design through spacing hole 15, with the cooperation of spacer pin 12, have locking effect to cover 9, fixedly connected with draws piece 13 on the spacer pin 12, spring 14 has been cup jointed to the outside of spacer pin 12, spring 14's one end fixedly connected with draws piece 13, spring 14's other end fixedly connected with fixed block 11, design through spring 14, the effect of supplementary reseing has to spacer pin 12.

The specific implementation process of the utility model is as follows: when in use, the first-stage filter cartridge 7 is sleeved outside the channel 6, the second-stage filter cartridge 8 is sleeved outside the first-stage filter cartridge 7, the second-stage filter cartridge 8 is in threaded connection with the upper end cover 4, the lower end cover 5 is in threaded connection with the bottom of the second-stage filter cartridge 8, the threaded connection sleeve 16 on the upper end cover 4 is in threaded connection with the air inlet 2, the cartridge cover 9 is taken out, the cartridge cover 9 is in threaded connection with the cartridge body 1, at the moment, the sealing plug 10 in the cartridge cover 9 is tightly attached to the side wall of the cartridge body 1, so that a good sealing effect can be achieved, the pulling block 13 is pulled, the pulling block 13 drives the limiting pin 12 to move and stretches the spring 14, after the cartridge cover 9 is screwed down, the pulling block 13 is loosened, the spring 14 resets to drive the pulling block 13 to reset, the pulling block 13 drives the limiting pin 12 to reset, and the limiting pin 12 enters the limiting hole 15 on the cartridge body 1, fix cylinder head 9 for cylinder head 9 is difficult not hard up, has guaranteed the leakproofness of sealing plug 10, then in gaseous cylinder head air inlet 2 enters into threaded connection cover 16, then enters into passageway 6 by threaded connection cover 16 again, at last by passageway 6's bottom discharge back, after the multi-stage filtration of one-level cartridge filter 7 and secondary filter section of thick bamboo 8, by gas outlet 3 discharge.

According to the scheme, the upper end cover 4, the lower end cover 5, the channel 6, the primary filter cylinder 7, the secondary filter cylinder 8, the threaded connecting sleeve 16 and other components are designed to form the secondary filter element, so that the filtering effect can be effectively improved, and the secondary filter element can be installed with the air inlet 2 through threaded connection between the threaded connecting sleeve 16, and is simple and convenient; through designing parts such as sealing plug 10, fixed block 11, spacer pin 12, draw piece 13, spring 14 on cover 9, cover 9 and barrel 1 threaded connection back, sealing plug 10 receives the extrusion, can play fine sealed effect to utilize spacer pin 12 to cooperate with spacing hole 15 on the barrel 1, make cover 9 difficult not hard up, guaranteed the leakproofness of sealing plug 10.

It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (5)

1. Multistage composite filter core, including bottom plate and crane hook, including barrel, upper end cover and bottom end cover, its characterized in that: the upper end of the cylinder body is fixedly connected with an air inlet and an air outlet, the upper end cover is fixedly connected with a thread connecting sleeve, the threaded connecting sleeve is connected with the air inlet through threads, the bottom of the upper end cover is fixedly connected with a channel, a first-stage filter cartridge is sleeved outside the channel, a second-stage filter cartridge is sleeved outside the first-stage filter cartridge, the secondary filter cylinder is connected with the upper end cover and the lower end cover through threads, the bottom of the cylinder body is connected with a cylinder cover through threads, the inner side of the cylinder cover is fixedly connected with a sealing plug, the sealing plug is contacted with the cylinder body, the sealing plug is contacted with the lower end cover, two symmetrically distributed fixed blocks are fixedly connected on the barrel cover, limiting pins are slidably connected in the fixed blocks, the limiting pin is connected with the barrel in a sliding mode, a pull block is fixedly connected to the limiting pin, and a spring is sleeved outside the limiting pin.

2. The multi-stage composite filter element of claim 1, wherein: one end of the spring is fixedly connected with a pulling block, and the other end of the spring is fixedly connected with a fixing block.

3. The multi-stage composite filter element of claim 1, wherein: a plurality of spacing holes which are uniformly distributed are formed in the surface of the barrel, and spacing pins are connected in the spacing holes in a sliding mode.

4. The multi-stage composite filter element of claim 1, wherein: the one-level cartridge filter all contacts with upper end cover and bottom end cover, the one-level cartridge filter is carbon fiber material.

5. The multi-stage composite filter element of claim 1, wherein: the sealing plug is in a round table shape and is made of rubber.

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