CN214861566U - Filter - Google Patents

Abstract

The utility model provides a filter, establish casing, the lid of filter paper in including and adorn in the upper cover at casing top is located the lid of upper cover, install in pressure regulating valve within the inner chamber of lid with be used for fixing pressure regulating valve's mounting, the lid is equipped with the drainage way, the drainage way is right the fluid that flows in the lid provides the guide effect. The casing and the lid body that are equipped with the upper cover in this scheme simple structure, convenient assembling has reduced manufacturing cost and cost of labor.

Description

Filter

Technical Field

The utility model relates to a filtration equipment technical field, more specifically say, relate to a filter.

Background

At present, in a common filter on the market, a pressure valve support assembly and a filter assembly on the filter are two assemblies which are independently arranged, and the filter is numerous in formed parts, complex in assembly process and higher in cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a filter has solved the above-mentioned technical problem of traditional filter.

The utility model provides a filter, establish casing, the lid of filter paper in including and adorn in the upper cover at casing top, the upper cover be equipped with the lid, install in pressure regulating valve within the inner chamber of lid with be used for fixing pressure regulating valve's mounting, the lid is equipped with the drainage way, the drainage way is right the fluid that flows out in the lid provides the guide effect.

Preferably, the cover body comprises a fixed cover and a gland, the fixed cover is vertically and fixedly arranged at the top of the upper cover, and the gland and the fixed cover are detachably arranged.

Preferably, the gland is provided with at least two clamping jaws, the fixed cover is provided with a clamping groove matched with each clamping jaw, and the fixed cover and the gland are clamped through the clamping groove and the clamping jaws.

Preferably, the fixing member is a snap spring.

Preferably, the filter paper is folded to increase the filtering area of the oil.

Preferably, the shell is made of a conductive material and is grounded through a grounding wire.

Preferably, the cover body and the upper cover are welded and fixed.

Compared with the prior art, the utility model provides a filter, including casing, lid adorn in the upper cover at casing top, the upper cover is provided with the lid, installs pressure regulating valve and the mounting of fixed its position in the inside intracavity of lid, is provided with the drainage way on the lid, and the drainage way provides the guide effect to the fluid that flows out in the lid, realizes the automatic pressure release of system promptly from this, and can prevent that fluid from scattering to splash. This scheme compact structure is simple, simple to operate, and traditional filter relatively has reduced spare part quantity remarkably, has reduced the installation procedure, highly applicable in various types of assembly module, and the range of application is extensive.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a front view of a filter according to the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a schematic structural view of the fixing member in fig. 1.

Wherein, 1-shell, 2-filter paper, 3-upper cover, 4-pressure regulating valve, 5-fixing piece, 6-fixing cover, 7-gland, 8-claw, 9-oil inlet, and 10-oil outlet.

Detailed Description

The core of the utility model is to provide a filter, its simple structure, part is small in quantity, and the equipment is convenient, improves assembly efficiency effectively, has reduced manufacturing cost.

It should be noted that the terms "up" and "down" as used herein refer to the up and down directions in fig. 1. All directional terms used herein are based on the common usage of those skilled in the art and the accompanying drawings of the specification, and their presence should not affect the scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1, 2 and 3, fig. 1 is a front view of a filter according to the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1; fig. 3 is a schematic structural view of the fixing member in fig. 1.

The utility model provides a filter, which comprises a shell 1, wherein filter paper 2 is arranged inside the shell 1 to filter oil, an upper cover 3 is covered on the top of the shell 1, the upper cover 3 is provided with a cover body, an inner cavity is arranged inside the cover body, a pressure regulating valve 4 is arranged inside the inner cavity, the pressure regulating valve 4 is fixed and anti-loose through a fixing part 5, and the pressure relieving efficiency and the pressure relieving effect can be prevented from being influenced by the movement of the pressure regulating valve 4; the lid is equipped with the drainage way that communicates in external environment, and when pressure regulating valve 4 carried out the pressure release operation, fluid was inside through drainage way inflow assembly casing 1 under the pressure differential, realized automatic pressure release.

Preferably, the upper cover 3 and the housing 1 are welded together by a hot plate to improve the installation stability and the air tightness, but the invention is not limited thereto, and may be fastened by a sealing ring and a bolt.

The inner cavity size of lid and pressure regulating valve 4's appearance looks adaptation to the accessible sets up the locating part of circumference distribution or increases protective washer and fixes pressure regulating valve 4 at the lid inner wall, and realizes effectively protecting it.

The lid constitutes the installing support that is used for installing pressure regulating valve 4, realizes fixed to pressure regulating valve 4's support, and the inner chamber of lid is all around and top confined semi-enclosed cavity structures, and the bottom of inner chamber is equipped with the drainage way, and the export of this drainage way is the pressure release mouth promptly, can guide fluid to flow into assembly casing 1 inside, and semi-enclosed lid structure fluid splashes when can preventing the pressure release, realizes concentrating of fluid and collects.

The utility model provides a filter's theory of operation does: when the assembly operates, oil is sucked by the fuel pump through the oil inlet 9, dregs are filtered under the filtering action of the filter paper 2 in the shell 1, the filtered oil flows out through the oil outlet 10, and when the pressure exceeds the pressure value of the pressure regulating valve 4, the pressure regulating valve 4 automatically opens to release the pressure.

Compare in traditional filter, this application structure is simple compacter, and the appearance is small and exquisite, can be applicable to in the assembly module of difference, and the range of application is extensive. In addition, the filter has good sealing performance, can effectively reduce airtight monitoring points, improves the qualification rate and reduces the cost.

The pressure regulating valve 4 is an automatic regulating actuator product, does not need any external energy, realizes automatic regulation by utilizing the self energy of a regulated medium, can work in places without electricity or air, and saves energy. But is not limited thereto.

Specifically, the lid includes fixed lid 6 and gland 7, and both are casing 1 structure, and fixed lid 6 is located the top of upper cover 3 and is close to the edge of upper cover 3, and sets firmly in the vertical setting of upper cover 3 perpendicularly, and gland 7 can break away from fixed lid 6 and upper cover 3 setting, gland 7 and fixed lid 6 demountable installation, and gland 7 removes towards fixed lid 6 and realizes connecting through mechanical closure mode.

For example, the gland 7 and the fixed cap 6 may be fixed by engagement, or may be fixed by a seal ring, a bolt coupling, or the like.

In a specific embodiment, the side wall of the gland 7 is provided with at least two claws 8, the fixed cover 6 is provided with two clamping grooves correspondingly matched with the claws 8 one by one, and the gland 7 is mounted in the clamping grooves of the fixed cover 6 through the claws 8 in a buckling manner to realize connection. Preferably, the clamping jaws 8 and the clamping grooves are symmetrically distributed, so that the reliability and the firmness of connection are improved. The specific number of jaws 8 is not limited herein.

Above-mentioned mounting 5 specifically is the jump ring, as shown in fig. 3, this jump ring is U type structure, and two open-ended body of rod middle parts are equipped with the arc structure respectively, and fixed lid 6 is equipped with two strip jacks, and two bodies of rod of jump ring pass two jacks respectively, utilizes elastic force to make the arc structure chucking on the body of rod in pressure regulating valve 4's lateral surface, is fixed in fixed lid 6 with pressure regulating valve 4 from this on, vibrations when preventing pressure regulating valve 4 operation.

In order to improve the filtering effect, the filter paper 2 preferably adopts the folded filter paper 2, the folded structure can increase the filtering area between the oil and the filter paper 2, the fuel is fully filtered, and the service life of the filter is prolonged.

Above-mentioned casing 1 can adopt conducting material to make, and during the assembly, the filter passes through earth connection ground, so sets up, can the inside static of effectual elimination filter, promotes the security performance of product greatly.

Further, the upper cover 3 can also be made of conductive material and connected with a grounding wire to ensure the use safety.

In order to guarantee installation fixity and leakproofness, lid and 3 welded fastening of upper cover preferably adopt ultrasonic wave full weld welding, like this, the filter of new construction, pressure valve support and filter unite two into one, and the tie point reduces, has reduced the hidden danger that appears leaking gas, and the structure is compacter.

The assembly process of the present application is as follows:

step one, the pressure regulating valve 4 is pressed on the fixed cover 6;

fixing the pressure regulating valve 4 by using a clamp spring to prevent the pressure regulating valve 4 from falling off;

step three, press fitting the gland 7, wherein the gland 7 is buckled on the fixed cover through a buckle in a reverse mode to prevent the gland 7 from loosening, when the pressure regulating valve 4 is opened for pressure relief, oil can flow into the assembly shell 1 along a pressure relief opening of the gland 7, and the cover body can play a role in preventing the oil from splashing.

The scheme has the following technical advantages:

1. the number of parts is small, the structure is compact, the occupied space is small, the space utilization rate of the assembly shell 1 module can be optimized, and the assembly shell 1 module is suitable for being used in various shell 1 modules;

2. the folded filter paper 2 increases the fuel oil filtering area and prolongs the service life of the filter;

3. the shell 1 made of conductive materials is adopted, and is grounded by using a grounding wire when an assembly is assembled, so that static electricity in a product is eliminated, and the safety is good;

it is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The above is a detailed description of the filter provided by the present invention. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (7)

1. A filter comprises a shell (1) with filter paper (2) arranged therein and an upper cover (3) covered on the top of the shell (1), and is characterized in that the upper cover (3) is provided with a cover body, a pressure regulating valve (4) arranged in an inner cavity of the cover body and a fixing piece (5) used for fixing the pressure regulating valve (4), the cover body is provided with a drainage channel, and the drainage channel provides a guiding effect for oil liquid flowing out of the cover body.

2. The filter according to claim 1, wherein the cover body comprises a fixed cover (6) and a gland cover (7), the fixed cover (6) is vertically fixed on the top of the upper cover (3), and the gland cover (7) is detachably mounted with the fixed cover (6).

3. A filter according to claim 2, wherein the gland (7) is provided with at least two claws (8), the fixed cover (6) is provided with a slot adapted to each of the claws (8), and the fixed cover (6) and the gland (7) are engaged with each other through the slot and the claws (8).

4. A filter according to any one of claims 1-3, characterised in that the fixing element (5) is embodied as a circlip.

5. A filter according to claim 1, wherein the filter paper (2) is folded to increase the filtering area of the oil.

6. A filter according to claim 1, wherein the housing (1) is made of an electrically conductive material, and the housing (1) is grounded via a ground line.

7. A filter according to claim 1, wherein the cover is welded to the upper cover (3).

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