CN115646017A

CN115646017A - Filter material, framework, filter element and spin-on filter

Info

Publication number: CN115646017A
Application number: CN202211326007.3A
Authority: CN
Inventors: 戴安腾; 刘健; 高超; 盛宏伟; 晏璐
Original assignee: Gaobo Group Co ltd
Current assignee: Gaobo Group Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-01-31

Abstract

The invention discloses a filter material, a framework, a filter element and a spin-on filter, wherein the filter material is provided with an axially corrugated folding part, the framework is provided with a first fixed disk and a second fixed disk which are connected with two ends of the folding part, a connecting sheet is connected between the first fixed disk and the second fixed disk, the filter element consists of the filter material and the framework, and the filter element is arranged in the spin-on filter. The invention can respond to the bumping state of the automobile in the driving process, so that the first fixed disk vibrates in a certain range between the first spring and the second spring to drive the filter material to be folded and compressed for vibration, impurities adsorbed on the surface of the filter material can be well cleaned and peeled off by the vibration, the filtering effect of the filter element is further improved, and the normal cleaning of the filter material can be kept because the bumping of the automobile is accompanied with the automobile form process.

Description

Filter material, framework, filter element and spin-on filter

Technical Field

The invention belongs to the technical field of filters, and particularly relates to a filter material, a framework, a filter element and a rotary filter.

Background

The filter is a filter that filters impurities or gas through filter paper. Generally referred to as an automobile filter, is an accessory of an engine. Wherein, the oil filter is arranged in an engine lubricating system. The upstream of the engine oil pump is an oil pump, and the downstream of the engine oil pump is various parts needing lubrication in the engine.

In general, an oil filter is composed of a housing, a cover plate, a filter element, a spring, and a seal ring. In recent years, technological improvements to oil filters have also been diversified. One of them is to reduce the amount of impurity adsorbed on the filter element to improve the service efficiency of the filter element to the structural improvement of the oil filter.

Prior art 1 discloses that a magnetic adsorption region, a large particle adsorption region, a particle adsorption region and a colloid adsorption region are sequentially arranged in an oil inlet channel from top to bottom.

Prior art 2, it is through setting up the water conservancy diversion structure in the shell body inside, on the oil that will get into the shell body and impurity direction shell body inside wall, make oil and impurity lean on gravity whereabouts and flow to the shell body bottom to can avoid impurity in the oil to adhere to on the filter element and lead to filter element group spare to block up, reduce the frequency that filter element group spare was changed, prolong oil cleaner's life.

Prior art 3 discloses that the cleaning ring is arranged outside the filter element, and cleaning teeth on the cleaning ring sequentially extend into the fold groove and contact with the groove wall of the fold groove, so that the surface of the filter paper is cleaned, and the problem of blockage of the hole of the paper filter element is solved.

This application aims at providing a structure in current filter of difference to solve the filter core long-term work after the filter core surface adsorption more impurity and block up the filter core, lead to the problem that filter core filter effect reduces.

The prior art is as follows:

chinese patent document 1, publication No. CN107165693A;

chinese patent document 2, publication No. CN105508103A;

chinese patent document 3 discloses CN105041418A.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a filter material, a framework, a filter element and a rotary filter, and the specific technical scheme is as follows:

an object of the present invention is to provide a filter material including:

the folding part is corrugated in the axial direction and annular in the radial direction, and the folding part is axially vibrated and deformed in response to an external vibration environment.

The filter material also comprises connecting parts which are arranged at the two axial ends of the folding part.

Another object of the present invention is to provide a frame connected to the filter medium, comprising:

the first fixed disc is arranged to be in sealing connection with one axial end of the folding part;

the second fixed disc is arranged to be in sealing connection with the other axial end of the folding part;

the two ends of the connecting sheet are respectively connected with the first fixing disc and the second fixing disc, the connecting sheet is arranged on the inner side of the filter material and distributed at intervals in a ring shape, and the connecting sheet is an elastic sheet;

the first fixing disc and the second fixing disc respond to the change of the distance between the external vibration environment to bend the connecting sheet and drive the folding part to axially vibrate and deform.

Preferably, a gap is formed between the filter material and the connecting piece.

Another object of the present invention is to provide a filter cartridge, comprising:

any of the above-mentioned filter media;

any of the above skeletons;

the filter material cover is established on the skeleton, the one end and the first fixed disk sealing connection of filter material, the other end and the second fixed disk sealing connection of filter material.

Another object of the present invention is to provide a spin-on filter, comprising:

the shell is provided with an opening and a cavity formed inside the opening;

the cover plate is connected to the opening end of the shell in a sealing mode;

the first spring is arranged in the shell, and one end of the first spring is propped against the cavity bottom of the cavity;

the second spring is arranged in the shell, and one end of the second spring is propped against the cover plate;

any kind of filter core of above-mentioned record, the filter core sets up in the casing, first fixed disk sets up between first spring and second spring, just first spring, second spring all support balanced first fixed disk on first fixed disk, the relative apron of second fixed disk is fixed, first fixed disk is responded to the external vibration environment and is taken place the vibration and drive the folding part and take place axial vibration.

Preferably, the sealing device further comprises a sealing washer, the sealing washer is arranged between the cover plate and the second fixed plate, one end face of the sealing washer is fixedly connected with the cover plate, and the other end face of the sealing washer is fixedly connected with the second fixed plate.

Preferably, all set up coaxial through-hole on second fixed disk, seal ring and the apron, the through-hole bottom of second fixed disk has annular first flange, the through-hole top of seal ring has annular second flange, the through-hole top of apron has annular third flange, second flange interference fit is in first flange, third flange interference fit is in the second flange.

Preferably, the upper edge of the third flange is higher than the lower edge of the first flange.

Preferably, the first fixed disk is provided with a counterweight.

The beneficial effects of the invention are as follows: the invention can respond to the bumping state of the automobile in the driving process, so that the first fixed disk vibrates in a certain range between the first spring and the second spring to drive the filter material to be folded and compressed for vibration, impurities adsorbed on the surface of the filter material can be well cleaned and peeled off by the vibration, the filtering effect of the filter element is further improved, and the normal cleaning of the filter material can be kept because the bumping of the automobile is accompanied with the automobile form process.

Drawings

FIG. 1 is an exploded view of a filter

FIG. 2 is a schematic view of the filter assembly;

FIG. 3 is an exploded view of the cartridge;

FIG. 4 is a schematic view of the framework;

FIG. 5 is a schematic view showing the state of the frame after the connection piece is bent;

FIG. 6 is a schematic view of a filter element;

FIG. 7 is a schematic connection diagram of the connection portion and the first and second fixing disks;

FIG. 8 is a schematic structural view of a connector;

FIG. 9 is an enlarged view of a portion of FIG. 8 at A;

fig. 10 is a schematic view showing the connection of the second fixing plate, the sealing gasket and the cover plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments.

FIG. 1 shows an exploded view of the filter. In fig. 1, the filter described in this embodiment includes a housing 100, a first spring 200, a filter element 300, a second spring 400, a sealing gasket 500, and a cover plate 600, where the housing 100 has an open end, the cover plate 600 is enclosed in the open end of the housing 100, so that a cavity is formed inside the housing 100, and the first spring 200, the filter element 300, the second spring 400, and the sealing gasket 500 are all installed in the cavity.

Fig. 2 shows a schematic view of the assembly of the filter. In fig. 1, after the filter described in this embodiment is assembled, the cover plate 600 is fixed at the opening end of the housing 100 in a sealing manner, the cover plate 600 sequentially sets the sealing washer 500, the filter element 300 and the first spring 200 into the cavity, the second spring 400 is sleeved outside the filter element 300, two ends of the second spring 400 respectively abut against the filter element 300 and the cover plate 600, the first spring 200 is set between the filter element 300 and the housing 100, and the first spring 200 and the second spring 400 apply a balanced force to the filter element 300, so that the filter element 300 is relatively fixed in the housing 100.

With continued reference to fig. 2, the filter element 300 divides the cavity in the housing 100 into a first region M and a second region N, the cover plate 600 is provided with an inlet 601 and an outlet 602, and the first region M, the second region N, the inlet 601 and the outlet 602 form a filtering channel, as shown by arrows in fig. 2, after oil to be filtered enters the first region M through the inlet 601, the oil passes through the filter element 300 and then enters the second region N, and flows out from the outlet 602, in the process, the filter element 300 filters impurities from the oil.

In this embodiment, the cover plate 600 and the housing 100 are connected by crimping, and a sealant can be applied to the sealed connection to improve the sealing effect.

Fig. 3 shows a schematic exploded view of a cartridge 300. In fig. 3, a filter element 300 includes a frame 310 and a filter 320, and the filter 320 is fixed to the frame 310. The filter 320 has a tubular structure and a foldable characteristic.

Fig. 4 shows a schematic structural diagram of the skeleton 310. In fig. 4, the frame 310 includes a first fixing plate 311, a connecting plate 312, and a second fixing plate 313 connected in sequence, the first fixing plate 311, the connecting plate 312, and the second fixing plate 313 are all made of sheet metal, the first fixing plate 311 and the second fixing plate 313 are preferably disc-shaped and coaxially disposed, two ends of the connecting plate 312 are respectively fixed on the first fixing plate 311 and the second fixing plate 313, and the connecting plate 312 may be fixed by, for example, a butt-welding method. The connecting pieces 312 are provided with a plurality of connecting pieces, and are annularly distributed on the first fixing disk 311 at intervals so that the oil passing through the filter 320 flows out from the gap between the connecting pieces 312, the center of the second fixing disk 313 is provided with a through hole 314, and the through hole 314 is communicated with the outlet 602 so that the oil flows out from the through hole 314 and the outlet 602.

In this embodiment, the thickness of the flexible metal sheet used for the connecting sheet 312 is relatively thin, for example, 0.5 mm, so that the connecting sheet 312 has bending deformation performance, as shown in fig. 5, the length of the connecting sheet 312 itself is constant in a state of the framework 310 after the connecting sheet 312 is bent, and after the connecting sheet 312 is bent, the distance between the first fixing disk 311 and the second fixing disk 313 at the two ends of the connecting sheet 312 is changed, thereby causing the filtering material 320 on the framework 310 to be folded and compressed to deform.

As can be seen from fig. 1 and 3, the filter 320 in this embodiment is formed by splicing a plurality of filter elements 321. Fig. 6 shows a schematic view of the filter element 321. The filter 321 includes a folded portion 321-b and a connection portion 321-a, the connection portion 321-a is located at both ends of the folded portion 321-b, the folded portion 321-b is corrugated, and the folded portion 321-b and the connection portion 321-a are integrated and may be generally formed by folding a filter material. In combination with the above description, the filter member 320 is disposed outside the frame 310, and when the connection piece 312 is bent, the folded portion 321-b is partially folded. In order to avoid interference between the filter 320 and the connecting piece 312, the inner diameter of the filter 320 is generally set to be larger than the outer diameter of the circle on which the connecting piece 312 is located, and a space for bending and deforming the connecting piece 312 is reserved.

The connecting portion 321-a is used to connect the first fixed disk 311 and the second fixed disk 313, so as to fix the filter 320 on the frame 310. More specifically, as shown in fig. 7, the free ends of the connecting portions 321-a face outward, and the connecting portions 321-a are fixed in a sealing manner by crimping, and similarly, in order to provide sealing performance, a sealant may be applied between the connecting portions 321-a and the first and second

fixed disks

311 and 313.

In this embodiment, the filter 321 may be directly bonded by an adhesive to form the filter 320. The filter 320 can also be formed by connecting and fixing the connecting pieces 322.

Fig. 8 shows a schematic view of the structure of the connecting member 322. As shown in fig. 8, the connecting member 322 is shaped to conform to the shape of the filter member 321, and the connecting member 322 also has elastic deformation property, and may be made of synthetic resin, for example. As shown in fig. 9, the connecting member 322 is provided at both sides thereof with caulking 322-a, the thickness of the caulking 322-a is the same as that of the filter member 321, so that the filter member 321 is inserted into the caulking 322-a, and before the filter member 321 is inserted into the caulking 322-a, an adhesive is applied to the edge of the filter member 321 to seal the connecting edge, thereby ensuring the filtering effect of the filter member 320.

Fig. 10 shows a schematic view of the connection of the second fixing disk 313, the sealing gasket 500 and the cover plate 600. In fig. 9, the bottom of the through hole 314 of the second fixing disk 313 has a first annular flange, and the top of the sealing washer 500 also has a second annular flange, which is inserted into the first flange and is in interference fit; the center of the cover plate 600 has an annular third flange, the third flange is inserted into the second flange and is in interference fit with the second flange, the sealing gasket 500 is made of rubber, and the second fixing plate 313 and the cover plate 600 are made of metal or other solid materials, so that good sealing and fixing connection among the second fixing plate 313, the sealing gasket 500 and the cover plate 600 can be realized through the fit relation.

In addition, the first fixed disk 311 may move relatively by the fixed connection relationship between the second fixed disk 313, the sealing washer 500 and the cover plate 600 such that the second fixed disk 313 is stably fixed to the cover plate 600. According to the above description, the first fixed disk 311 is fixed by the first spring 200 and the second spring 400 in a balanced manner, so that the first fixed disk 311 is normally not moved, and it is known to those skilled in the art that the filter is mounted on an automobile, and when the automobile jolts during driving, especially passes through a speed reduction belt, a hollow place, and the like, the amplitude of jolt vibration is very obvious, and the stable state of the first fixed disk 311 is broken in the jolt state, so that a certain amplitude of vibration occurs between the first spring 200 and the second spring 400, and the filter material 320 is driven to fold and compress and vibrate, and the vibration can well clean and strip impurities adsorbed on the surface of the filter material 320, and further improve the filtering effect of the filter element, and since the jolt of the automobile is accompanied with the automobile form process, the normal cleaning of the filter material 320 can be maintained.

In this embodiment, the first fixing plate 311 may be weighted, so that the first fixing plate 311 has a certain weight and can sensitively respond to the vibration of the vehicle.

In fig. 9, the upper edge of the third flange is higher than the lower edge of the first flange, so as to ensure the clamping and fixing effect of the third flange and the first flange on the sealing washer 500, and improve the connection stability of the third flange and the first flange.

In fig. 7, in order to facilitate the placement of the second spring 400, the outer diameter of the first fixed plate 311 is larger than that of the second fixed plate 313, and an annular insertion groove 315 is formed on a surface facing the second fixed plate 313 to facilitate the placement and the limitation of the second spring 400, and the other end of the second spring 400 abuts against the cover plate 600.

In fig. 9, the filter of this embodiment is a spin-on type, and therefore, the third flange has internal threads for facilitating spin-on, and the inside of the third flange is the outlet 602.

In other embodiments of the present invention, the filter element 300 may be an integrated structure, which is different from the split-type structure described above.

The above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto.

Claims

1. Filter media, its characterized in that includes:

the folded part (321-b) is corrugated axially and annular radially, and the folded part (321-b) is axially vibrated and deformed in response to an external vibration environment.

2. The filter of claim 1, further comprising:

and connecting parts (321-a) provided at both axial ends of the folded part (321-b).

3. A frame adapted to engage with the filter of claim 1 or 2, comprising:

a first fixed disk (311) which is arranged to be connected with one axial end of the folding part (321-b) in a sealing way;

a second fixed disk (313) which is arranged to be connected with the other end of the folding part (321-b) in the axial direction in a sealing way;

the two ends of the connecting piece (312) are respectively connected with a first fixing disc (311) and a second fixing disc (313), the connecting piece (312) is arranged on the inner side of the filter material and distributed at intervals in a ring shape, and the connecting piece (312) is an elastic sheet;

the first fixing disc (311) and the second fixing disc (313) respond to the change of the distance between the external vibration environment, so that the connecting sheet (312) is bent and drives the folding part (321-b) to axially vibrate and deform.

4. Carcass according to claim 3, characterized in that there is a gap between the filter and the connecting piece (312).

5. A filter cartridge, comprising:

the filter of claim 1 or 2;

the scaffold of claim 3 or 4;

the filter material is sleeved on the framework, one end of the filter material is hermetically connected with the first fixed disk (311), and the other end of the filter material is hermetically connected with the second fixed disk (313).

6. Spin-on filter, its characterized in that includes:

a housing (100) having an opening and a cavity formed inside the opening;

a cover plate (600) hermetically connected to an open end of the case (100);

the first spring (200) is arranged in the shell (100) and one end of the first spring is propped against the cavity bottom of the cavity;

a second spring (400) disposed in the housing (100) and having one end abutting against the cover plate (600);

the filter element of claim 5, wherein the filter element is disposed in a housing (100), the first fixing plate (311) is disposed between the first spring (200) and the second spring (400), and the first spring (200) and the second spring (400) both balance the first fixing plate (311) against the first fixing plate (311), the second fixing plate (313) is fixed relative to the cover plate (600), and the first fixing plate (311) vibrates in response to an external vibration environment and drives the folding portion (321-b) to vibrate axially.

7. The spin-on filter of claim 6, further comprising a sealing gasket (500), wherein the sealing gasket (500) is arranged between the cover plate (600) and the second fixing plate (313), one end face of the sealing gasket (500) is fixedly connected with the cover plate (600), and the other end face of the sealing gasket (500) is fixedly connected with the second fixing plate (313).

8. The spin-on filter of claim 7, wherein coaxial through holes are formed in the second fixing disc (313), the sealing washer (500) and the cover plate (600), an annular first flange is arranged at the bottom of the through hole of the second fixing disc (313), an annular second flange is arranged at the top of the through hole of the sealing washer (500), an annular third flange is arranged at the top of the through hole of the cover plate (600), the second flange is in interference fit with the first flange, and the third flange is in interference fit with the second flange.

9. The spin-on filter of claim 8, wherein the third flange has an upper edge that is higher than a lower edge of the first flange.

10. The spin-on filter of claim 5, wherein the first mounting plate (311) has a weight thereon.