CN221014917U - Filter shell and filter thereof - Google Patents

Abstract

The utility model provides a filter shell and a filter thereof, and belongs to the technical field of filters. The filter shell comprises a first end cover, a second end cover, a cylinder body and a liquid inlet and outlet assembly, wherein the two ends of the cylinder body are connected with the first end cover and the second end cover in a sealing mode, a plurality of first reinforcing ribs which are outwards radiated by the center are arranged on the first end cover, second reinforcing ribs are arranged on the circumference of the first end cover, and the second reinforcing ribs are in a round or polygonal shape. The strength of the first end cover is improved through the cooperation of the first reinforcing ribs and the second reinforcing ribs, and particularly the problem of overlarge pressure at the center is solved.

Description

Filter shell and filter thereof

Technical Field

The utility model relates to the technical field of filters, in particular to a filter shell and a filter thereof.

Background

The filter is an instrument for filtering gas or liquid, and substances flowing into the filter through the inlet can flow out of the outlet after being filtered by the filter element in the filter, so that the purpose of filtering the substances is achieved.

For the filter of filtering liquid, for the operation of being convenient for, inlet and liquid outlet often set up the same one end at the filter, and the pressure that this kind of filter different positions department received is different, and the pressure that the one end of keeping away from the inlet received is great, in order to prevent the filter damage, generally can carry out thickening processing or set up to the arc to the end cover and improve the resistance to compression effect, and simple thickening processing is although can play certain resistance to compression effect, but can increase the cost. The end caps are configured in an arc shape, resulting in the need for additional clamping devices for securing the filter during use. There is a need for a filter housing that is strong and easy to place.

Disclosure of utility model

In order to overcome the above disadvantages, the present utility model provides a filter housing and a filter thereof.

The utility model is realized in the following way:

The utility model provides a filter housing, includes first end cover, second end cover, barrel and business turn over liquid subassembly, the both ends sealing connection of barrel has first end cover and second end cover, be equipped with a plurality of first strengthening ribs outwards by the central radiation on the first end cover, be equipped with the second strengthening rib in the circumference of first end cover, the second strengthening rib is circular or polygonal shape.

The beneficial effect of adopting above-mentioned scheme is that, the filter is in the use, and the pressure that receives at first end cover is bigger than other cavity positions; meanwhile, the pressure applied to the plane area of the first end cover is greater when the plane area is closer to the center, so that a plurality of radial first reinforcing ribs and circumferential second reinforcing ribs are arranged on the first end cover, and the overall strength of the first end cover is improved.

Further, the number of the first reinforcing ribs is 6-12, the number of the second reinforcing ribs is 1-2, and the second reinforcing ribs are located in the area of 20% -50% of the outer radius of the end cover.

The beneficial effect of adopting above-mentioned further scheme is, when the quantity of first strengthening rib is less than 6, and intensity of first end cover is lower, can't satisfy the use under the specific condition, because first strengthening rib still has the water conservancy diversion effect, when the quantity is greater than 12, can hinder the flow of fluid, influences filtration efficiency. In order to enhance the stability of the central area of the end cover, 1-2 second reinforcing ribs are required to be arranged, and the second reinforcing ribs are controlled to be positioned in the area of 20% -50% of the outer radius of the end cover (namely, the distance from the second reinforcing ribs to the center of the first end cover is 20% -50% of the outer radius of the end cover), so that the arrangement can not only meet the strength of the central area and the integral area, but also reduce the use of the reinforcing ribs and save the cost.

Further, at least one side of the outer side and the inner side of the first end cover is provided with a first reinforcing rib, and at least one side of the outer side and the inner side of the first end cover is provided with a second reinforcing rib.

The beneficial effect of adopting the further proposal is that the reinforcing ribs are provided with a plurality of choices, and the first reinforcing rib and the second reinforcing rib are arranged on the inner side of the first end cover; or a first reinforcing rib and a second reinforcing rib are arranged on the outer side of the first end cover; or a first reinforcing rib and a second reinforcing rib are arranged on the inner side and the outer side of the first end cover; or the outer side of the first end cover is provided with a first reinforcing rib, and the inner side of the first end cover is provided with a second reinforcing rib; or the second reinforcing rib is arranged on the outer side of the first end cover, and the first reinforcing rib is arranged on the inner side.

Further, the first reinforcing rib and the second reinforcing rib have the same thickness and width, and the ratio of the thickness to the width is in the range of 1-2.

Further, the first reinforcing ribs inside and outside the second reinforcing ribs have different thicknesses (if two second reinforcing ribs exist, the outermost second reinforcing ribs are referred to), the thicknesses of the first reinforcing ribs and the second reinforcing ribs in the second reinforcing ribs are the same, and the ratio of the thicknesses of the second reinforcing ribs to the thicknesses of the first reinforcing ribs outside the second reinforcing ribs is 1.2-1.8.

The beneficial effect of adopting above-mentioned further scheme is, because when first end cover was provided with the exhaust interface, the outer first strengthening rib of second strengthening rib was low if gaseous more easily to be discharged, prevented gas gathering, improved the filter effect.

Further, inclination angles are formed between the two sides of the first reinforcing rib and the first end cover and between the two sides of the second reinforcing rib and the first end cover, and the size of the inclination angles is 90.5-92.5 degrees.

The beneficial effect of adopting above-mentioned further scheme is, is greater than the width of keeping away from first end cover one end with the width of the one end that first strengthening rib and second strengthening rib are close to first end cover, and the side of first strengthening rib and second strengthening rib is the slope form promptly, exists the inclination angle. The tilt angle is to reduce the resistance of the liquid flow along the way, and to make the liquid in the vicinity of the first end cap more easily flow out. The inclination angle is smaller than 90.5 degrees, larger on-way resistance exists, the inclination angle is larger than 92.5 degrees, the strength of the reinforcing rib is difficult to ensure, and the stability of the first end cover is further affected.

Further, the second end cover is integrally connected with the liquid inlet and outlet assembly, the liquid inlet and outlet assembly is integrally arranged and is internally provided with a partition plate, the partition plate divides the interior of the liquid inlet and outlet assembly into a first runner and a second runner which are not mutually interfered, the second end cover is provided with a first through hole for communicating the first runner and a second through hole for communicating the second runner, the first through hole and the second through hole are correspondingly arranged on two sides of the partition plate, the width of the first through hole is identical to the maximum width of the first runner, and the width of the second through hole is identical to the maximum width of the second runner.

The beneficial effect of adopting above-mentioned further scheme is, first runner and second runner can be used for the feed liquor and go out liquid, consequently through the integrated design of feed liquor and go out liquid subassembly, simple structure, convenient processing, the feed liquor subassembly is outstanding outside the casing, makes bulk strength higher. The first flow channel and the second flow channel are separated through the partition board, and in the actual filtering process, the liquid inlet and the liquid outlet are respectively positioned at two sides of the partition board, so that partial acting forces generated on the second end cover can be mutually offset, and the integral strength of the second end cover is further improved.

The first end cover and the second end cover both comprise a flat part, an arc connecting part and a protruding part, wherein the protruding part is vertically arranged at the outer edge of the flat part and is connected through the arc connecting part, and the size of an inner side fillet of the arc connecting part is R5-R15.

The arrangement of the arc-shaped connecting part can ensure that a circle of arc-shaped guide surface is arranged at the corner inside the first end cover and the second end cover, in the use process, liquid of the filter needs to flow through the bottom cover from the liquid inlet and then pass through the filter membrane to return to the liquid outlet, and when the liquid flows to the bottom cover from the outer circle of the cavity, the existence of the right-angle corner can bring about larger pressure loss, so that a larger arc-shaped guide surface is arranged at the corner, and the on-way resistance of the liquid is reduced.

At least one of the first end cover and the second end cover is provided with an exhaust interface, the exhaust interface is arranged on the arc-shaped connecting part, and an exhaust valve is arranged on the exhaust interface.

Through setting up exhaust interface on arc connecting portion, with arc guide surface intercommunication, compare in setting up the flat portion at the end cover's advantage lies in can increasing exhaust passage's area of admitting air, can also ensure exhaust interface's stability simultaneously, prevents that it from damaging in transportation and the use, does not set up exhaust interface on the flat portion and can be convenient for place the filter.

Further, overflow ring grooves are formed in the protruding portions of the first end cover and the second end cover.

The technical scheme has the beneficial effects that when the cylinder body and the first end cover are subjected to sealing heat welding, the overflow ring groove can store plastic solution so as to prevent the plastic solution from flowing into the cylinder body.

Further, a center ring is arranged on the inner side of the second end cover, the first through hole is arranged in the center ring, and the second through hole is arranged outside the center ring.

The filter comprises a filter element and the filter shell, wherein the filter element is in sealing connection with a second end cover, the second end cover is integrally connected with a liquid inlet and outlet assembly, a partition plate is arranged inside the liquid inlet and outlet assembly, the partition plate divides the interior of the liquid inlet and outlet assembly into a first flow channel and a second flow channel, and a first through hole communicated with the first flow channel and a second through hole communicated with the second flow channel are formed in the second end cover. The first through holes and the second through holes are correspondingly formed in two sides of the partition board, the first through holes are communicated with the inner space of the filter element, and the second through holes are communicated with the space between the filter element and the cylinder body.

The beneficial effect of adopting above-mentioned further scheme is, in the liquid flows into the filter from first fluid passage, can get into first through-hole to by the filter core filtration, and the liquid after the filtration can flow out through the second through-hole, can flow out the filter through the second fluid passage again at last. Of course, the filter can also be used in a mode of flowing in from the second flow channel and flowing out from the first flow channel.

The beneficial effects of the utility model are as follows:

1. According to the filter shell and the filter thereof, which are obtained through the design, the first reinforcing ribs and the second reinforcing ribs are arranged on the first end cover of the filter shell, and the strength of the first end cover is improved through the cooperation of the first reinforcing ribs and the second reinforcing ribs, so that the problem of overlarge pressure at the center is particularly related; the second end cover of the filter shell is provided with the integrated liquid inlet and outlet assembly, the first flow channel and the second flow channel of the liquid inlet and outlet assembly are opposite to each other and are separated by the partition plate, so that the stability of the second end cover is improved in structure, and the strength of the second end cover can be further improved by the mutual offset of acting force of the first flow channel and the second flow channel on the second end cover in the use process.

2. The overflow ring groove can store plastic solution when the first end cover and the second end cover are subjected to sealing heat welding so as to prevent the plastic solution from flowing into the cylinder body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed to be practical in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without the inventive effort of a person skilled in the art.

FIG. 1 is a schematic perspective view of a filter housing according to the present utility model;

FIG. 2 is a schematic perspective view of a filter housing according to the present utility model;

FIG. 3 is a cross-sectional view in the A-A direction of the filter housing of FIG. 2;

FIG. 4 is a schematic view of a second end cap of a filter housing according to the present utility model;

FIG. 5 is a schematic view of a first end cap of a filter housing according to the present utility model;

FIG. 6 is a cross-sectional view of a first end cap of a filter housing provided by the present utility model;

fig. 7 shows a filter according to the present utility model.

In the figure: 1. a filter housing; 2. a cylinder; 3. a first end cap; 31. a first reinforcing rib; 32. a second reinforcing rib; 33. a flat portion; 34. an arc-shaped connecting part; 35. a boss; 36. an arc-shaped guide surface; 37. an inclined surface; 4. a second end cap; 41. a first through hole; 42. a second through hole; 43. a center ring; 5. a liquid inlet and outlet assembly; 51. a partition plate; 52. a first flow passage; 53. a second flow passage; 6. an exhaust interface; 7. an exhaust valve; 8. an overflow ring groove; 9. a filter element.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Embodiment 1 of a Filter housing 1 of the utility model

The utility model provides the following technical scheme: as shown in fig. 1-2, the filter housing 1 comprises a first end cover 3, a second end cover 4, a cylinder 2 and a liquid inlet and outlet assembly 5, wherein the first end cover 3 and the second end cover 4 are connected to two ends of the cylinder 2 in a sealing manner, the first end cover 3 and the second end cover 4 comprise a flat part 33, an arc-shaped connecting part 34 and a protruding part 35, and the protruding part 35 is vertically arranged at the outer edge of the flat part 33 and is connected through the arc-shaped connecting part 34. The first end cover 3 and the second end cover 4 are respectively provided with an exhaust port 6, the exhaust ports 6 are arranged on the arc-shaped connecting parts 34, and exhaust valves 7 are arranged on the exhaust ports 6.

As shown in fig. 3, the first end cover 3 is provided with a plurality of first reinforcing ribs 31 which radiate outwards from the center, the first end cover 3 is provided with second reinforcing ribs 32 in the circumferential direction, and the first reinforcing ribs 31 and the second reinforcing ribs 32 are in cross connection. During use of the filter, the pressure exerted on the first end cap 3 is greater than that exerted on other cavity parts; meanwhile, the pressure applied to the plane area of the first end cover 3 is greater as the plane area is closer to the center, so that a plurality of radial first reinforcing ribs 31 and circumferential second reinforcing ribs 32 are arranged in the first end cover 3, and the overall strength of the first end cover 3 is improved. The number of the first reinforcing ribs 31 is 6-12, the number of the second reinforcing ribs 32 is 1-2, and the second reinforcing ribs 32 are located in the area of 20% -50% of the outer radius of the end cover. The first reinforcing rib 31 and the second reinforcing rib 32 have the same thickness and width, and the ratio of the thickness to the width ranges from 1 to 2.

The size of the inner rounded corner of the arc-shaped connecting part 34 is within R5-R15. The arrangement of the arc-shaped connecting part 34 can ensure that a circle of arc-shaped guide surface 36 is arranged at the corner inside the first end cover 3 and the second end cover 4, in the use process, liquid of the filter needs to flow through the bottom cover from the liquid inlet and then pass through the filter membrane to return to the liquid outlet, and when the liquid flows to the bottom cover from the round outside the cavity, the existence of the right-angle corner can bring about larger pressure loss, so that the larger arc-shaped guide surface 36 is arranged at the corner, and the on-way resistance of the liquid is reduced. Through setting up exhaust interface 6 on arc connecting portion 34, with arc guide surface 36 intercommunication, compare in setting up the flat portion 33 at the end cover's advantage lies in can increasing exhaust passage's area of admitting air, still can ensure exhaust interface 6's stability simultaneously, prevents that it from transporting and damaging in the use, does not set up exhaust interface 6 on the flat portion 33 and can be convenient for place the filter.

As shown in fig. 3-4, the second end cover 4 is integrally connected with a liquid inlet and outlet assembly 5, a partition plate 51 is arranged inside the liquid inlet and outlet assembly 5, the partition plate 51 divides the interior of the liquid inlet and outlet assembly 5 into a first flow channel 52 and a second flow channel 53, and a first through hole 41 communicated with the first flow channel 52 and a second through hole 42 communicated with the second flow channel 53 are arranged on the second end cover 4. The first through hole 41 and the second through hole 42 are provided on both sides of the partition plate 51, respectively, the width of the first through hole 41 is equal to the maximum width of the first flow channel 52, and the width of the second through hole 42 is equal to the maximum width of the second flow channel 53. The relief ring grooves 8 are provided on the bosses 35 of the first and second end caps 3, 4.

Embodiment two of the filter housing 1 of the present utility model

The difference between the second embodiment and the first embodiment is that the first end cover 3 is provided with different thicknesses of the first reinforcing ribs 31 inside and outside the second reinforcing ribs 32 as shown in fig. 5-6, the thicknesses of the first reinforcing ribs 31 inside the second reinforcing ribs 32 are the same as those of the second reinforcing ribs 32, and the ratio of the thicknesses of the second reinforcing ribs 32 to the thicknesses of the first reinforcing ribs 31 outside the second reinforcing ribs 32 is 1.2-1.8, because when the first end cover 3 is provided with the exhaust port 6, the gas is more easily discharged when the first reinforcing ribs 31 outside the second reinforcing ribs 32 are low, so that the gas aggregation is prevented, and the filtering effect is improved.

Between the two sides of the first stiffener 31 and the first end cap 3, and between the two sides of the second stiffener 32 and the first end cap 3, there are inclination angles, the magnitude of which is 90.5-92.5 °. The width of the first reinforcing rib 31 and the second reinforcing rib 32 near the end of the first end cover 3 is larger than the width of the end far from the first end cover 3, that is, the side surfaces of the first reinforcing rib 31 and the second reinforcing rib 32 are inclined, and an inclination angle exists. The inclination angle is to reduce the resistance of the liquid flow along the way, so that the liquid in the vicinity of the first end cap 3 is easier to flow out.

Embodiment III of a Filter of the utility model

As shown in fig. 7, a third embodiment relates to a filter, the filter includes the filter housing 1 in the above embodiment, the inner side of the second end cover 4 is provided with a central ring 43, the filter element 9 is connected with the central ring 43 on the second end cover 4 in a sealing manner, the second end cover 4 is integrally connected with the liquid inlet and outlet assembly 5, a partition plate 51 is disposed inside the liquid inlet and outlet assembly 5, the partition plate 51 divides the interior of the liquid inlet and outlet assembly 5 into a first flow channel 52 and a second flow channel 53, and the second end cover 4 is provided with a first through hole 41 communicating with the first flow channel 52 and a second through hole 42 communicating with the second flow channel 53. The first through-hole 41 and the second through-hole 42 are provided on both sides of the partition plate 51, respectively, the first through-hole 41 communicates with the inner space of the cartridge 9, and the second through-hole 42 communicates with the space between the cartridge 9 and the cylinder 2. Correspondingly, the first through hole 41 is provided inside the center ring 43, and the second through hole 42 is provided outside the center ring 43.

When the liquid flows into the filter from the first flow channel 52 of the second flow channel 53, the liquid enters the first through hole 41 and is filtered by the filter element 9, and the filtered liquid flows out through the second through hole 42 and finally flows out of the filter through the second flow channel 53 of the first flow channel 52.

Specifically, the working principle of the filter is as follows: when in use, the liquid inlet pipe is connected with the interface at the outer end of the first flow channel 52, the liquid outlet pipe is connected with the interface at the outer end of the second flow channel 53, when the liquid flows in from the first flow channel 52, the liquid enters the first through hole 41 and is filtered by the filter element 9, the filtered liquid flows out through the second through hole 42, and finally flows out of the filter through the second flow channel 53. Of course, the filter may be used in such a manner that the filter flows in from the second flow path 53 and flows out from the first flow path 52.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a filter housing, its characterized in that includes first end cover (3), second end cover (4), barrel (2) and business turn over liquid subassembly (5), the both ends of barrel (2) are connected with first end cover (3) and second end cover (4) respectively, be equipped with a plurality of first strengthening ribs (31) outwards by central radiation on first end cover (3), be equipped with second strengthening rib (32) on the circumference of first end cover (3).

2. A filter housing according to claim 1, wherein the number of first ribs (31) is 6-12 and the number of second ribs (32) is 1-2, the second ribs (32) being located in the region of 20% -50% of the outer radius of the first end cap (3).

3. A filter housing according to claim 1, wherein the first ribs (31) and the second ribs (32) have the same thickness and width, and the ratio of the thickness to the width is 1-2.

4. A filter housing according to claim 2, wherein the first ribs (31) in the second ribs (32) have the same thickness as the second ribs (32), and the ratio of the thickness of the second ribs (32) to the thickness of the first ribs (31) outside the second ribs (32) is 1.2-1.8.

5. A filter housing according to any one of claims 1-4, characterized in that between the first ribs (31) and the first end cap (3) and between the second ribs (32) and the first end cap (3) there is an inclination angle of the order of 90.5-92.5 °.

6. A filter housing according to claim 1, wherein the outer side of the second end cover (4) is integrally connected with a liquid inlet and outlet assembly (5), a partition plate (51) is arranged inside the liquid inlet and outlet assembly (5), the partition plate (51) divides the interior of the liquid inlet and outlet assembly (5) into a first flow channel (52) and a second flow channel (53), and a first through hole (41) communicated with the first flow channel (52) and a second through hole (42) communicated with the second flow channel (53) are formed in the second end cover (4).

7. A filter housing according to claim 6, characterized in that the second end cap (4) is provided with a central ring (43) on the inside, the first through-hole (41) being correspondingly arranged in the central ring (43), and the second through-hole (42) being correspondingly arranged outside the central ring (43).

8. A filter housing according to claim 1, wherein the first end cap (3) and the second end cap (4) each comprise a flat portion (33), an arc-shaped connecting portion (34) and a protruding portion (35), the protruding portion (35) is vertically arranged at the outer edge of the flat portion (33) and connected through the arc-shaped connecting portion (34), and the size of the inner rounded corner of the arc-shaped connecting portion (34) is R5-R15.

9. A filter housing according to claim 8, characterized in that the protruding parts (35) of the first end cap (3) and the second end cap (4) are provided with overflow ring grooves (8), at least one of the first end cap (3) and the second end cap (4) is provided with an exhaust port (6), and the exhaust port (6) is provided with an exhaust valve (7).

10. A filter comprising a filter cartridge (9) and a filter housing (1) according to any one of claims 1-9, the filter cartridge (9) being mounted in the filter housing (1) by means of a central ring (43).