CN210799078U - Filter - Google Patents

Abstract

The utility model discloses a filter, including the casing, the casing is equipped with the opening other end for one end and is circular-arc barrel, and the internal diameter of casing reduces along the direction of keeping away from the nozzle gradually, and the cardboard has been arranged to the inside bobbin base department of casing, and the mid-mounting of cardboard has the bypass valve, and the inner tube has been arranged to the inside center department of casing, and filter paper has been cup jointed to the outside of inner tube. The sealing plate of the utility model is easier to realize the sealing effect, and the special sealing step is saved and the installation time is saved during the installation; the installation and the sealed effect of this device filter paper all obtain improving.

Description

Filter

Technical Field

The utility model belongs to the technical field of the filter, concretely relates to filter.

Background

The oil filter is located in the engine lubrication 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. The engine oil cleaning agent has the function of removing impurities such as dust, metal particles, carbon precipitates, soot particles and the like in the engine oil and protecting an engine. The common filter shell is a straight cylinder, is difficult to seal, is easy to leak oil and seep oil, has a complex internal structure, is inconvenient to install, and has higher production cost, so that a filter capable of solving the problems is urgently needed.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a filter can realize sealed effectual, simple to operate's filter.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a filter, includes the casing, the casing is equipped with the opening other end for one end and is circular-arc barrel, the internal diameter of casing reduces along the direction of keeping away from the nozzle gradually, the cardboard has been arranged to the inside bobbin base department of casing, the mid-mounting of cardboard has the bypass valve, the inner tube has been arranged to the inside center department of casing, filter paper has been cup jointed to the outside of inner tube, the both ends of filter paper are installed respectively and are sealed the board, the inner that seals the board supports tightly on the cardboard, is located the casing opening part the outer end that seals the board supports tightly at the oil removal circle, the oil removal circle is installed on the closing plate, the end cover is hugged closely to install in the outside of closing plate, the middle part of end cover is equipped with the oil-out, the end cover passes through the bolt fastening on the casing.

Preferably, the external shape of the sealing plate is the same as that of the filter paper, a groove is formed in the side wall of the sealing plate, which is close to the filter paper, and the groove is matched with the end part of the filter paper.

Preferably, the oil separating ring is made of rubber.

Preferably, the bypass valve comprises a bypass plate arranged inside the catch plate, the bypass plate being connected to the inner tube by a spring.

Preferably, the oil outlet is provided with threads.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model designs the shell into a cylinder with an opening in a flaring shape, and the joint of the sealing plate and the shell is in oblique angle connection, thus realizing that the sealing plate is easier to realize sealing effect, saving special sealing steps and installation time during installation;

(2) the utility model discloses a filter paper has been cup jointed in the outside of inner tube, and is provided with respectively at the both ends of filter paper and seals the board, has realized that the installation and the sealed effect of this device filter paper all obtain improving.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

fig. 2 is an internal cross-sectional view of the present invention;

fig. 3 is an exploded view of the present invention.

Description of reference numerals:

1. the oil-gas separator comprises a shell, 2, an end cover, 3, an oil outlet, 4, an oil inlet, 5, an inner pipe, 6, a sealing plate, 7, a sealing plate, 8, a spring, 9, a bypass plate, 10, filter paper, 11, a clamping plate, 12 and an oil separating ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, a filter includes a housing 1, the housing 1 is a cylinder having an opening at one end and an arc-shaped other end, the inner diameter of the housing 1 gradually decreases along a direction away from the cylinder opening, the opening of the housing 1 is in an expanded shape, which facilitates connection with a sealing plate 6, a clamping plate 11 is disposed at the bottom of the inner cylinder of the housing 1, a bypass valve is disposed at the middle of the clamping plate 11, the bypass valve includes a bypass plate 9 disposed inside the clamping plate 11, the bypass plate 9 is connected to an inner tube 5 through a spring 8, when the internal oil pressure is large, the bypass plate 9 is pushed open, oil is injected into the inner tube 5, the inner tube 5 is disposed at the center of the interior of the housing 1, a filter paper 10 is sleeved outside the inner tube 5, the filter paper 10 is used for filtering impurities in the oil, sealing plates 7 are respectively disposed at two ends of the filter paper 10, the inner end of the sealing plate 7 is tightly abutted against the, the sealing plate 7 is used for sealing the filter paper 10, the outer end of the sealing plate 7 positioned at the opening of the shell 1 is tightly abutted against the oil separation ring 12, the external shape of the sealing plate 7 is the same as that of the filter paper 10, a groove is formed in the side wall of the sealing plate 7 close to one side of the filter paper 10 and is matched with the end part of the filter paper 10, the oil separation ring 12 is made of rubber, and the rubber ensures that engine oil can only enter the oil from the oil inlet 4 and can not exit the oil;

the oil separating ring 12 is installed on the sealing plate 6, the end cover 2 is installed on the outer side of the sealing plate 6 in a clinging mode, an oil outlet 3 is formed in the middle of the end cover 2, threads are arranged on the oil outlet 3 and used for being connected with an external pipeline, the end cover 2 is fixed on the shell 1 through bolts, and a plurality of corresponding oil inlets 4 are circumferentially arranged on the end cover 2 and the sealing plate 6.

During installation: put into casing 1 from casing 1 opening part with cardboard 11, filter paper 10 cup joints the outside at inner tube 5, and will seal 7 joints at the both ends constitution filter equipment of inner tube 5, put into the inside of casing 1 with filter equipment, it can to fix filter equipment rethread sealing board 6 and end cover 2, machine oil pours into in the outside space of filter paper 10 from oil inlet 4 into, under the general condition, the bypass valve is closed, machine oil permeates filter paper 10 and pours into the inner tube 5 inboard and export from oil-out 3 after filtering into, when filter paper 10 does not change for a long time and when cold start-up, machine oil is very thick, in order to make machine oil normally supply, under the effect of oil pressure, the bypass valve is automatic to be opened and to pour into inner tube 5 with machine oil into, this device filter effect is good, simple to operate.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. A filter comprising a housing (1), characterized in that: the oil filter is characterized in that the shell (1) is a cylinder body with one end provided with an opening and the other end provided with an arc shape, the inner diameter of the shell (1) is gradually reduced along the direction away from the cylinder opening, a clamping plate (11) is arranged at the bottom of the inner cylinder of the shell (1), a bypass valve is arranged in the middle of the clamping plate (11), an inner pipe (5) is arranged at the center of the inner part of the shell (1), filter paper (10) is sleeved outside the inner pipe (5), sealing plates (7) are respectively arranged at two ends of the filter paper (10), the inner ends of the sealing plates (7) are tightly propped against the clamping plate (11), the outer ends of the sealing plates (7) positioned at the opening of the shell (1) are tightly propped against an oil isolating ring (12), the oil isolating ring (12) is arranged on the sealing plate (6), an end cover (2) is tightly clung to the outer side of the, the end cover (2) is fixed on the shell (1) through bolts, and a plurality of corresponding oil inlets (4) are circumferentially arranged on the end cover (2) and the sealing plate (6).

2. A filter according to claim 1, wherein the sealing plate (7) has an outer shape similar to the filter paper (10), and a side wall of the sealing plate (7) adjacent to the filter paper (10) is provided with a groove adapted to the end of the filter paper (10).

3. A filter according to claim 2, characterised in that the oil-separating ring (12) is of rubber.

4. A filter according to claim 3, characterised in that the bypass valve comprises a bypass plate (9) arranged inside the catch plate (11), the bypass plate (9) being connected to the inner tube (5) by means of a spring (8).

5. A filter according to claim 4, characterised in that the outlet (3) is threaded.

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