阅读说明：本技术 一种增加有效过滤面积的折叠滤芯过滤系统 (Increase effective filter area's folding filter core filtration system ) 是由 卢军 于 2020-08-05 设计创作，主要内容包括：本发明为一种增加有效过滤面积的折叠滤芯过滤系统,包括本体、进水端、出水端、折叠滤芯,所述本体内设置有两个腔体,所述本体上侧分别开设有进水端和出水端,所述进水端和出水端分别安装有进水端盖和出水端盖,所述进水端和出水端分别对应一个腔体；本发明对折叠滤芯进行改进,折叠滤芯的滤膜片轮廓为环型的桶状带有有外齿和内齿的结构,过滤膜片外轮廓按齿形均匀的贴合外层导流网,过滤膜片内轮廓按齿形均匀的贴合内层导流网,外层导流网内层过滤膜片贴合,并随过滤膜片折成齿形,对过滤水进出起到导向作用,避免水流经过滤膜片流向成无规则状,提高了过滤水和过滤膜片的贴合,使过滤更加充分,无形中提高了本发明的使用寿命。(The invention relates to a folding filter element filtering system for increasing the effective filtering area, which comprises a body, a water inlet end, a water outlet end and a folding filter element, wherein two cavities are arranged in the body; the invention improves the folding filter element, the contour of the filter membrane of the folding filter element is a ring-shaped barrel-shaped structure with external teeth and internal teeth, the contour of the filter membrane is uniformly attached to an outer layer flow guide net according to the tooth shape, the inner contour of the filter membrane is uniformly attached to an inner layer flow guide net according to the tooth shape, the inner layer filter membrane of the outer layer flow guide net is attached and folded into the tooth shape along with the filter membrane, the outer layer flow guide net has a guide effect on the inlet and outlet of filtered water, the flow of the filtered water flowing through the filter membrane is prevented from being irregular, the attachment of the filtered water and the filter membrane is improved, the filtering is more sufficient, and the service life of the invention.)

1. A folding filter element filtering system capable of increasing an effective filtering area is characterized by comprising a body, a water inlet end, a water outlet end and a folding filter element, wherein two cavities are arranged in the body, the water inlet end and the water outlet end are respectively arranged on the upper side of the body, the water inlet end and the water outlet end are respectively provided with a water inlet end cover and a water outlet end cover, the water inlet end and the water outlet end respectively correspond to one cavity, the cavity is divided into an inner cavity and an outer cavity, the inner cavity is positioned on the outer side of the outer cavity, and the folding filter element is respectively arranged in the outer cavity;

the folding filter element comprises an end cover, a framework, a filter membrane, an outer layer flow guide net, an inner layer flow guide net and an even folded belt, wherein the framework is provided with the filter membrane, the framework is a barrel-shaped structure with a gap in the middle, the outline of the filter membrane is a ring-shaped barrel-shaped structure with outer teeth and inner teeth, the inner teeth of the filter membrane are installed in a circular mode, the gap of the outer teeth is attached to the teeth evenly-folded belt, the outer side of the framework is attached to the inner side of the gear-shaped side formed by the filter membrane, the two ends of the framework are respectively bonded with the end cover, the outline of the filter membrane is attached to the outer layer flow guide net according to the even tooth-shaped fit, the inner outline of the filter membrane is attached to the outer side face of the filter membrane and is folded into the tooth-shaped along with the filter membrane, the even folded belt is installed on the outer side of the filter membrane, one face of the even folded belt is, the surface with uniform tooth shape is attached to the outer teeth of the filter membrane, and the folding belt is annularly assembled and attached to the end cover.

2. The pleated filter insert filter system of claim 1 wherein the pleats are positioned at the upper, middle and lower ends of the filter membrane, and the pleats are evenly spaced to engage the outer teeth of the filter membrane to ensure uniform distribution of the teeth of the filter membrane without deflection of the teeth of the filter membrane under water pressure.

3. The pleated cartridge filter system for increasing the effective filter area of claim 1 wherein the outer layer of the flow directing mesh is attached to the outer side of the filter membrane and is folded into a tooth shape with the filter membrane to maintain the rigidity of the filter membrane and ensure that the filter membrane does not deform under water pressure, water flows into the filter membrane guided by the flow directing mesh, pressure is equalized at each position of the water inlet of the filter membrane to stabilize the flow rate of the filter cartridge, the outer layer of the flow directing mesh is composed of a support mesh, a flow directing mesh, and a water flow inlet region, the support mesh is at an angle to the axis of the filter cartridge for supporting the backflow mesh, the flow directing mesh and the axis of the filter cartridge are attached to the support mesh, the rectangular region formed by two adjacent flow directing meshes is a flow directing region for water flow passage, and the parallelogram formed by two adjacent flow directing meshes and two adjacent support meshes is a water flow inlet region, for water flow into the filter membrane.

4. A pleated filter insert filter system according to claim 1, wherein the inner flow directing mesh is attached to the inside of the filter membrane sheet and is folded in a tooth pattern with the filter membrane sheet. Hold filter membrane rigidity, guarantee that filter membrane does not take place to warp under the water pressure condition, rivers flow into filter membrane according to the direction of water conservancy diversion net, and filter membrane is intake each position pressure of department balanced, stabilizes the filter core velocity of flow, inlayer water conservancy diversion net is become regional by support network line, water conservancy diversion network line, rivers entering, and support network line and filter core axis are certain angle for support refluence network line. The water flow guiding net lines are attached to the supporting net lines in a certain mode with the axis of the filter element, rectangular areas formed by the two adjacent water flow guiding net lines are water flow guiding areas for water flow to pass through, and parallelograms formed by the two adjacent water flow guiding net lines and the two adjacent supporting net lines are water flow entering areas for water flow to enter the filtering membrane.

5. A pleated filter element filtration system providing increased effective filtration area according to claim 1 wherein the end cap is of a ring-in-ring construction.

6. A pleated filter element system for increasing the effective filter area according to claim 1 wherein the central axis of the pleated filter element coincides with the central axis of the chamber, the bottom of the body is provided with a passage communicating the outer and inner chambers of the two chambers, one end of the passage is centrally connected to one of the chambers and is the primary filter end of the filter system, one end of the passage is the outlet end of the primary filter to the final filter end, the other end of the passage is axially offset from the other chamber, the other chamber is the final filter end provided for filtration, and the other end of the passage is the inlet end of the final filter, the center of the passage is provided with an annular perforated central tube for the flow of filtered water from the filter element into the center of the filter system and for circumferential positioning of the filter element.

7. A pleated filter element filter system for increasing the effective filter area as defined in claim 1 wherein the inlet end cap is threadably connected to the primary filter end of the body, the inlet end cap having an inlet opening in the form of a cylindrical structure with a central opening, the central axis of the inlet opening being not coaxial with the central axis of the end cap, the end cap having an annular male end in the center thereof for retaining the filter element in axial alignment after the end cap is connected to the body; the water outlet end cover is connected with the final-stage filtering end of the body through threads, the water outlet end cover is provided with a water outlet hole, the water outlet hole is of a columnar structure with a center hole, the central axis of the water outlet hole is on the same axis with the central axis of the end cover, the center hole of the end cover is a water outlet channel of the filtering system, the center of the water outlet end cover is provided with an annular convex spigot, and the convex spigot is used for compressing the filter element after the end cover is connected with the body and is used for axial positioning of the filter element.

Technical Field

The invention relates to the field of filtration, in particular to a folding filter element filtration system for increasing the effective filtration area.

Background

The filter element is special equipment in the filtration industry, is raw purification equipment for purifying a primary fluid resource medium, and is mainly applied to liquid filtration of oil, water and the like, air filtration and related industries at present.

Solid particle in the fluid can be detached to the filter core, and then the normal work of protective apparatus and fluidic clean, after the filter core is established in the fluid entering, impurity that has in the fluid is blockked, and the clear fluid after the filtration passes through the filter core and flows, thereby realize the purification to a certain extent to the fluid, the filter core of present universal use in the swimming pool generally all is the individual layer, the gear form, folding filtration membrane filter core structure sets up, its filter effect is general, receive water pressure effect after, adjacent cusp filtering surface laminating, make effective filter area reduce, the flow reduces gradually after the use, life also shortens gradually.

Advanced filtration is receiving water pressure effect back, and no water flow guide effect, rivers flow to becoming irregular through the filter membrane piece, and adjacent cusp filtering surface laminating makes effective filtration area reduce, and the flow reduces gradually after the use, and life also shortens gradually.

The filter element gear-shaped filter membranes cannot be equally divided, the gaps between the filter elements are different in size, even the adjacent gear-shaped filter membranes of the filter elements are attached before use, so that the pressure drop difference generated in different areas of the filter membranes is large, the smaller the gap is, the earlier the filter membranes are blocked by solid particles, and the value of the integral pressure difference of the filter elements is further increased. Further deformation of the unblocked position (tooth gap) and even breakage of the sticking part of the filter membrane and the end cover can be caused, thus reducing the flow of the filter system and losing the filtering effect.

Disclosure of Invention

According to the technical problem, the invention provides a folding filter element filtering system capable of increasing the effective filtering area, which is characterized by comprising a body, a water inlet end, a water outlet end and a folding filter element, wherein two cavities are arranged in the body, the upper side of the body is respectively provided with the water inlet end and the water outlet end, the water inlet end and the water outlet end are respectively provided with a water inlet end cover and a water outlet end cover, the water inlet end and the water outlet end respectively correspond to one cavity, the cavity is divided into an inner cavity and an outer cavity, the inner cavity is positioned on the outer side of the outer cavity, and the folding filter element is respectively arranged in the outer cavity;

the folding filter element comprises an end cover, a framework, a filter membrane, an outer layer flow guide net, an inner layer flow guide net and an even folded belt, wherein the framework is provided with the filter membrane, the framework is a barrel-shaped structure with a gap in the middle, the outline of the filter membrane is a ring-shaped barrel-shaped structure with outer teeth and inner teeth, the inner teeth of the filter membrane are installed in a circular mode, the gap of the outer teeth is attached to the teeth evenly-folded belt, the outer side of the framework is attached to the inner side of the gear-shaped side formed by the filter membrane, the two ends of the framework are respectively bonded with the end cover, the outline of the filter membrane is attached to the outer layer flow guide net according to the even tooth-shaped fit, the inner outline of the filter membrane is attached to the outer side face of the filter membrane and is folded into the tooth-shaped along with the filter membrane, the even folded belt is installed on the outer side of the filter membrane, one face of the even folded belt is, the surface with uniform tooth shape is attached to the outer teeth of the filter membrane, and the folding belt is annularly assembled and attached to the end cover.

The even folding belt is respectively located upper end, middle end and lower extreme of filtering membrane, and the tooth that evenly distributes on the even folding belt is laminated with the filtering membrane external tooth, guarantees the equalling divide of filtering membrane profile of tooth, can not distribute the skew that produces filtering membrane profile of tooth under receiving the water pressure effect, guarantees the equalling divide of filtering membrane profile of tooth.

The utility model discloses a filter membrane, including outer layer water conservancy diversion net, filter membrane, water conservancy diversion net, filter membrane, outer layer water conservancy diversion net and the laminating of filter membrane lateral surface to folding into the profile of tooth along with filter membrane, keeping filter membrane rigidity, guaranteeing that filter membrane does not take place to warp under the water pressure condition, rivers flow into filter membrane according to the direction of water conservancy diversion net, and each position pressure of filter membrane water inlet is balanced, stabilizes the filter core velocity of flow, outer layer water conservancy diversion net is become regional by support net line, water conservancy diversion net line, rivers entering region, and the support net line is certain angle with the filter core axis for support refluence net line, water conservancy diversion net line and filter core axis are certain and support net line laminating, and the rectangle region that two adjacent water conservancy diversion net lines formed is the water conservancy diversion.

The inner layer flow guide net is attached to the inner side face of the filtering membrane and is folded into a tooth shape along with the filtering membrane. Hold filter membrane rigidity, guarantee that filter membrane does not take place to warp under the water pressure condition, rivers flow into filter membrane according to the direction of water conservancy diversion net, and filter membrane is intake each position pressure of department balanced, stabilizes the filter core velocity of flow, inlayer water conservancy diversion net is become regional by support network line, water conservancy diversion network line, rivers entering, and support network line and filter core axis are certain angle for support refluence network line. The water flow guiding net lines are attached to the supporting net lines in a certain mode with the axis of the filter element, rectangular areas formed by the two adjacent water flow guiding net lines are water flow guiding areas for water flow to pass through, and parallelograms formed by the two adjacent water flow guiding net lines and the two adjacent supporting net lines are water flow entering areas for water flow to enter the filtering membrane.

The end cover is of a ring-mounted structure,

the central axis of the folding filter element coincides with the central axis of the cavity, the bottom of the body is provided with a channel for communicating the two cavities, one end of the channel is connected with the center of one cavity and is a primary filtering end of the filtering system, one end of the channel is a water outlet end leading to a final filtering end through primary filtering, the central axis at the other end of the channel deviates from the other cavity, the other cavity is the final filtering end provided for filtering, and the other end of the channel is a water inlet end for final filtering.

The center of the channel is provided with an annular central tube with a hole, and the central tube is used for enabling water flow after being filtered by the filter element to enter the center of the filter system and be circumferentially positioned by the filter element.

The water inlet end cover is connected with the primary filtering end of the body through threads, the water inlet end cover is provided with a water inlet, the water inlet is of a columnar structure with a central hole, the central axis of the water inlet is not on the same axis with the central axis of the end cover, the center of the end cover is provided with an annular convex spigot, and the convex spigot is used for compressing the filter element after the end cover is connected with the body and is used for axially positioning the filter element; the water outlet end cover is connected with the final-stage filtering end of the body through threads, the water outlet end cover is provided with a water outlet hole, the water outlet hole is of a columnar structure with a center hole, the central axis of the water outlet hole is on the same axis with the central axis of the end cover, the center hole of the end cover is a water outlet channel of the filtering system, the center of the water outlet end cover is provided with an annular convex spigot, and the convex spigot is used for compressing the filter element after the end cover is connected with the body and is used for axial positioning of the filter element.

The invention has the beneficial effects that: the invention improves the folding filter element, the contour of the filter membrane of the folding filter element is a ring-shaped barrel-shaped structure with external teeth and internal teeth, the contour of the filter membrane is uniformly attached to an outer layer flow guide net according to the tooth shape, the inner contour of the filter membrane is uniformly attached to an inner layer flow guide net according to the tooth shape, the inner layer filter membrane of the outer layer flow guide net is attached and folded into the tooth shape along with the filter membrane, the outer layer flow guide net has a guide effect on the inlet and outlet of filtered water, the flow of the filtered water flowing through the filter membrane is prevented from being irregular, the attachment of the filtered water and the filter membrane is improved, the filtering is more sufficient, and the service life of the invention. The rigidity of the filtering membrane is kept through the inner layer flow guide net and the outer layer flow guide net, the filtering membrane is guaranteed not to deform under the condition of water pressure, water flows into the filtering membrane according to the guide of the flow guide nets, the pressure of each position of the water inlet of the filtering membrane is balanced, and the flow speed of the filter element is stabilized; the diaphragm uniform-folding device is provided with the uniform-folding belt, and the teeth uniformly distributed on the uniform-folding belt are attached to the outer teeth of the diaphragm, so that the uniform distribution of the diaphragm tooth shape is ensured, the deflection of the diaphragm tooth shape caused by the cloth under the action of water pressure is avoided, and the uniform distribution of the diaphragm tooth shape is ensured. The pressure stability of the membrane filtering area is ensured, solid particles are stably and uniformly intercepted on the membrane, and the flow speed of the filtering membrane is stabilized. The filter membrane of the invention is a gear type filter structure with a barrel shape. Two sides of the filter membrane are respectively compounded with a layer of reticular diversion net. The root of the end cover and the middle of the filter element are respectively provided with a binding belt which is attached to the gear shape of the filter element to keep the equal division of the tooth shape of the filter element.

Drawings

FIG. 1 is a cross-sectional view of the present invention.

Fig. 2 is a cross-sectional view of a pleated filter element of the present invention.

Fig. 3 is a schematic view of a pleated filter element according to the present invention.

FIG. 4 is a schematic structural diagram of an outer layer flow guide net and an inner layer flow guide net according to the present invention.

FIG. 5 is a schematic view of the folding strap of the present invention.

FIG. 6 is a schematic view of the mounting of the folding strap of the present invention.

FIG. 7 is a schematic diagram of the primary and final filter ends of the present invention.

FIG. 8 is a schematic view of the water inlet end of the present invention.

FIG. 9 is a schematic view of the water outlet end of the present invention.

As shown in the figure, the water filter comprises a body 1, a water inlet end 2, a water outlet end 3, a folding filter element 4, an end cover 4-1, a framework 4-2, a filter membrane 4-3, an outer layer flow guide net 4-4, an inner layer flow guide net 4-5, a uniform folding belt 4-6, a primary filter end 1-1, a final filter end 1-2, an inner cavity 1-3 and an outer cavity 1-4.

Detailed Description

The invention is further illustrated below with reference to the accompanying drawings: