CN215782153U

CN215782153U - Filter core and filter equipment

Info

Publication number: CN215782153U
Application number: CN202121501118.4U
Authority: CN
Inventors: 龙江
Original assignee: Chongqing Ounaishi Technology Co ltd
Current assignee: Chongqing Ounaishi Technology Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-02-11
Anticipated expiration: 2031-07-02

Abstract

The utility model relates to the field of filtering equipment, in particular to a filter element and a filtering device, which comprise a large spring, a plug and a joint, wherein a convex circle is arranged on the periphery of the plug, the upper end of the large spring is abutted against the lower part of the convex circle, a through hole from top to bottom is formed in the joint, an annular first boss is arranged in the middle of the joint, and the lower end of the large spring is abutted against the upper part of the first boss. The simple structure of filter core in this scheme, convenient processing has shortened the processing cycle of filter core and has reduced the cost of filter core.

Description

Filter core and filter equipment

Technical Field

The utility model relates to the field of filtering equipment, in particular to a filter element and a filtering device.

Background

The filter element and the filter screen in the existing filter device are consumables, the filter element plays a role of supporting and fixing the filter screen, and the filter screen plays a role of filtering substances passing through the filter screen. The filter element is generally made of an aluminum alloy round bar, a blind hole or a through hole needs to be drilled in the middle when the aluminum alloy round bar is processed, a plug is added at the upper end of the aluminum alloy round bar, then a plurality of ring grooves are cut on the outer cylindrical surface of the aluminum alloy round bar, a plurality of small holes need to be drilled in the ring grooves, and finally the deburring needs to take a long time. The complex processing flow causes the filter element processing procedure to be fussy, the processing cycle is long, and the cost is higher.

The utility model discloses a chinese utility model patent that has application number CN201711464129.8 discloses a pipeline filter structure, including filter housing, filter housing in placed air filter, air filter on the cover put the spring, spring pressure air filter, air filter divide into air intake chamber and exhaust chamber with filter housing, form the lumen in the air filter, air intake chamber, lumen and exhaust chamber be linked together in proper order, filter housing both ends install respectively and lead to fast intubate and connect, air intake chamber and exhaust chamber respectively at the inside little latus rectum pipeline that forms of leading to fast intubate and connect, the air intake chamber cross-section is less than the lumen cross-section, and air intake chamber end is provided with the screw end cap, the screw end cap install between leading to fast intubate and the spring, and the screw thread card is put on filter housing. Although the problems of complex filter structure, limited use environment, poor maintenance reusability of the filter element and the like are solved, the filter element is inconvenient to disassemble, the manufacturing process is complex, the required processing time is long, and the manufacturing, processing and use of the filter device are not facilitated. Therefore, in order to solve the above problems, a new filter cartridge and filter device are required.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a filter element and a filter device, and aims to shorten the processing period of the filter element in the filter device, reduce the processing cost of the filter element and facilitate the manufacturing, processing and use of the filter element.

The utility model provides a filter element, which comprises a large spring, a plug and a joint, wherein a convex circle is arranged on the periphery of the plug, the upper end of the large spring is abutted against the lower part of the convex circle, a through hole from top to bottom is formed in the joint, an annular first boss is arranged in the middle of the joint, and the lower end of the large spring is abutted against the upper part of the first boss.

The principle of the scheme is as follows: the filter element comprises a large spring, a plug and a connector. The periphery of the plug is provided with a convex circle, the upper end of the large spring is abutted to the lower part of the convex circle, a through hole from top to bottom is formed in the joint, the middle part of the joint is provided with an annular first boss, and the lower end of the large spring is abutted to the upper part of the first boss.

The scheme has the beneficial effects that: 1. the filter element has simple structure and convenient processing, shortens the processing time of the filter element and reduces the processing cost.

2. The filter core simple structure, between big spring and the end cap, all take the mode of butt to connect between big spring and the joint, easy to assemble and dismantlement, convenient to use.

3. The filter element component has low cost and is easy to obtain, and the overall cost of the filter device is reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of a filter element and a screen sleeve according to an embodiment of the utility model.

FIG. 3 is a schematic view of a feed inlet structure according to an embodiment of the present invention.

Fig. 4 is a schematic view of a discharge hole structure according to an embodiment of the present invention.

Reference numerals: the filter element comprises a plug 1, a convex circle 101, a large spring 2, a discharge hole 3, a joint 4, a first boss 401, a through hole 402, a small spring 5, a filter screen sleeve 6, a cylinder 7, a second boss 701, a base 8, a connecting groove 801, a cover cap 9, a locking nut 10, a sealing ring 11, a feed inlet 12, a discharge port 13 and a feed channel 14.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments. The utility model provides a filter element, which comprises a large spring 2, a plug 1 and a joint 4, wherein a convex circle 101 is arranged on the periphery of the plug 4, the upper end of the large spring 2 is abutted against the lower part of the convex circle 101, a through hole 402 from top to bottom is formed in the joint 4, an annular first boss 401 is arranged in the middle of the joint 4, and the lower end of the large spring is abutted against the upper part of the first boss 401.

In the specific implementation of the utility model, as shown in fig. 1 and 2, the filter element comprises a large spring 2, a plug 1 and a joint 4, wherein a convex circle 101 is arranged on the periphery of the plug 1, the upper end of the large spring 2 abuts against the lower part of the convex circle 101, a through hole 402 is formed in the joint 4 from top to bottom, an annular first boss 401 is arranged in the middle of the joint 4, and the lower end of the large spring abuts against the upper part of the first boss 401. The large spring 2 is used for supporting the filter screen sleeve 6 and preventing the filter screen sleeve 6 from being contracted to cause poor filtering effect. The convex circle 101 blocks the upper end of the filter screen sleeve 6 and the upper end of the large spring 2, and the filter screen sleeve 6 and the upper end of the large spring 2 are prevented from being separated. The first boss 401 blocks the lower end of the large spring 2 to prevent the lower end of the large spring 2 from being separated. The convex circle 101 and the plug 1 are manufactured into a whole through a mould. The first boss 401 is integrally formed with the joint 4 by a mold. Filter core and filter equipment in this scheme all can be used to the high pressure and filter.

Further, as shown in fig. 1 and 2, the upper end and the lower end of the large spring 2 are respectively in interference fit with the plug 1 and the joint 4. The connection strength between the two ends of the large spring 2 and the plug 1 and the connector 4 can be improved by the arrangement mode, and the filter screen sleeve 6 is prevented from being separated.

Further, as shown in fig. 1 and 2, the upper and lower ends of the large spring 2 are fixedly welded to the lower portion of the convex circle 101 and the upper portion of the first boss 401, respectively. The connection strength of the two ends of the large spring 2, the lower part of the convex circle 101 and the upper part of the first boss 401 can be improved by the arrangement mode, and the filter screen sleeve 6 is prevented from being separated.

Further, as shown in fig. 1, the plug further comprises a small spring 5, the upper end of the plug 1 is provided with a spring groove matched with the small spring 5, and the lower end of the small spring 5 is abutted or fixedly connected with the spring groove. The lower end of the small spring 5 is in interference fit with the spring groove, or is fixedly connected to the bottom of the spring groove in a welding mode, and the fixing effect is good. The small spring 5 reduces the shaking of the filter element and the filter screen sleeve 6 in the filter device and protects the filter element and the filter screen sleeve 6. The outer diameter of the small spring 5 is smaller than that of the large spring 2.

The utility model provides a filter equipment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, including the filter core, still include block 9, barrel 7, filter screen cover 6 and base 8, block 9 and barrel 7 threaded connection, barrel 7 cooperatees with base 8, little spring 5 upper end butt is in the block 9 lower part, connecting groove 801 has been seted up on the base 8, the week side of first boss 401 lower part butt above connecting groove 801, feed inlet 12 and discharge gate 3 have been seted up on the base 8, discharge gate 3 communicates with connecting groove 801, the last feedstock channel 14 who communicates feed inlet 12 and barrel 7 that still has seted up of base 8, big spring 2 clearance fit is in filter screen cover 6, filter screen cover 6 upper end butt is in bulge circle 101 lower part, filter screen cover 6 lower extreme inboard and first boss 401 week side clearance fit. The lower portion of the first boss 401 abuts against the bottom of the cavity of the base 8 on the upper peripheral side of the connecting groove 801. The cylinder 7 is inserted into the base 8 for fixation, and the cylinder 7 and the base 8, and the cap 9 and the cylinder 7 are all detachable and more convenient to detach. The material to be filtered enters from the inlet opening 12, passes through the feed channel 14 into the cylinder 7 and then passes through the screen cloth 6. The filter screen sleeve 6 has a filtering function, and substances to be filtered enter the filter screen sleeve 6 to be filtered, then enter the connecting groove 801 from the through hole 402 of the joint 7, and are discharged after reaching the discharge hole 3 from the connecting groove 801. The joints of the filter screen sleeve 6, the plug 1 and the joint 4 are sealed, the filter screen sleeve 6 divides the space in the filter device into two parts, one part of the space is filled with substances to be filtered, and the other part of the space is filled with filtered substances.

Further, as shown in fig. 1 and 3, the base 8 is provided with a drain 13 communicating with a feed passage 14. When the internal pressure of the filter device is overlarge, the vent 13 is opened to release the pressure, and the safe operation of the device is ensured. The filter device is also provided with a switch and a valve which are matched with the drain port 13 and used for controlling the opening and the closing of the drain port 13.

Further, as shown in fig. 1, the barrel assembly further includes a lock nut 10, an annular second boss 701 is disposed on the periphery of the barrel 7, the lower portion of the lock nut 10 is in threaded connection with the base 8, the upper portion of the lock nut 10 is matched with the second boss 701, and the barrel 7 is fixedly connected with the base 8 through the second boss 701. The second boss 701 is an annular protrusion at the lower part of the cylinder 7, and the cylinder 7 and the second boss 701 are manufactured by a die to form a whole. The second boss 701 is locked downward at the upper part of the lock nut 10, and the cylinder 7 and the base 8 are connected together through the threaded connection between the lower part of the lock nut 10 and the base 8. The connection strength of the above arrangement mode is high, the barrel 7 and the base 8 are not easy to fall off, and the disassembly is convenient.

Further, as shown in fig. 1, a sealing ring 11 is arranged at the joint of the cylinder 7 and the base 8. The sealing ring 11 is fixed at the joint of the cylinder 7 and the base 8 by fixing modes such as viscose glue or buckles, the sealing performance of the connection of the cylinder 7 and the base 8 is improved, and the leakage of substances in the filtering device is prevented.

Further, as shown in fig. 1, a sealing ring 11 is arranged at the joint of the cap 9 and the cylinder 7. The sealing ring 11 is fixed at the joint of the cap 9 and the cylinder 7 by fixing modes such as viscose glue or buckle, the sealing performance of the connection of the cap 9 and the cylinder 7 is improved, and the leakage of substances in the filtering device is prevented.

Claims

1. The filter element is characterized by comprising a large spring (2), a plug (1) and a joint (4), wherein a convex circle (101) is arranged on the periphery of the plug (1), the upper end of the large spring (2) is abutted against the lower part of the convex circle (101), a through hole (402) from top to bottom is formed in the joint (4), an annular first boss (401) is arranged in the middle of the joint (4), and the lower end of the large spring (2) is abutted against the upper part of the first boss (401).

2. A filter element as claimed in claim 1, characterised in that the upper and lower ends of the large spring (2) are in interference fit with the plug (1) and the adapter (4), respectively.

3. A filter element according to claim 1, wherein the upper and lower ends of the large spring (2) are fixedly welded to the lower part of the convex circle (101) and the upper part of the first boss (401), respectively.

4. A filter element according to claim 1, 2 or 3, further comprising a small spring (5), wherein the upper end of the plug (1) is provided with a spring groove matched with the small spring (5), and the lower end of the small spring (5) is abutted or fixedly connected with the spring groove.

5. A filtering device, which is characterized by comprising the filter element of any one of claims 1 to 4, and further comprising a cover cap (9), a cylinder body (7), a filter screen sleeve (6) and a base (8), wherein the cover cap (9) is in threaded connection with the cylinder body (7), the cylinder body (7) is matched with the base (8), the upper end of a small spring (5) is abutted against the lower part of the cover cap (9), the base (8) is provided with a connecting groove (801), the lower part of a first boss (401) is abutted against the peripheral side above the connecting groove (801), the base (8) is provided with a feed inlet (12) and a discharge outlet (3), the discharge outlet (3) is communicated with the connecting groove (801), the base (8) is also provided with a feed channel (14) for communicating the feed inlet (12) with the cylinder body (7), a large spring (2) is in clearance fit in the filter screen sleeve (6), the upper end of the filter screen sleeve (6) is abutted against the lower part of a convex circle (101), the inner side of the lower end of the filter screen sleeve (6) is in clearance fit with the peripheral side of the first boss (401).

6. A filter device as claimed in claim 5, characterised in that the base (8) is provided with a discharge opening (13) communicating with the feed channel (14).

7. A filter device as claimed in claim 5 or 6, further comprising a locking nut (10), wherein a second annular boss (701) is provided on the periphery of the cylinder (7), the lower portion of the locking nut (10) is in threaded connection with the base (8), the upper portion of the locking nut (10) is engaged with the second boss (701), and the cylinder (7) is fixedly connected with the base (8) through the second boss (701).

8. A filter device according to claim 5 or 6, characterised in that the connection between the body (7) and the base (8) is provided with a sealing ring (11).

9. A filter device according to claim 5 or 6, wherein the connection between the cap (9) and the body (7) is provided with a sealing ring (11).