CN210829561U

CN210829561U - Aluminum seat structure of oil-water separation filter

Info

Publication number: CN210829561U
Application number: CN201921841814.2U
Authority: CN
Inventors: 张子健; 雷希
Original assignee: Ruian Humble Filter Co ltd
Current assignee: Ruian Humble Filter Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-06-23
Anticipated expiration: 2029-10-29

Abstract

The utility model relates to an oil-water separation filter's aluminium seat structure, including the aluminium seat body, be provided with the oil inlet and the oil-out of establishhing relatively on the aluminium seat body, its characterized in that: the utility model discloses a fuel oil filter device, including aluminium seat body, oil inlet and oil-out, the oil pocket that is provided with in the aluminium seat body and communicates respectively with oil inlet and oil-out, be provided with the check valve device in the oil pocket, fuel in the oil pocket gets into aluminium seat body through the oil inlet and filters the back through the filter core and follow the oil-out again through the check valve device and flow out from the oil-out, the aluminium seat body is provided with the L type oil duct structure by the technology of loosing core formation with the oil pocket intercommunication connecting filter core position, the beneficial effects of the utility model are that: not only promotes the cleanliness of fuel entering the aluminum seat, but also greatly prolongs the service life of the limiting part and the valve rod.

Description

Aluminum seat structure of oil-water separation filter

Technical Field

The utility model relates to an oil water separating filter's aluminium seat field, concrete oil water separating filter's aluminium seat structure.

Background

The automobile oil-water separation filter is one of fuel filter, and the main effect is that the moisture in the diesel oil of detaching is prefiltered with fuel to reduce the fuel sprayer trouble, extension engine life, the principle of detaching the moisture in the diesel oil is mainly according to the density difference of water and fuel, utilizes the separator that impurity and moisture were got rid of to the gravity principle, and oil-water separator has other functions, if preheat to place the wax in the fuel, filters impurity etc..

The existing oil-water separation filter mostly adopts a manual pump to feed oil, the fuel pump is directly fed into a fine filter element without rough filtering on fuel, but the fuel oil possibly contains large-particle impurities, and the long-term use of the oil-water separation filter can greatly shorten the service life of an aluminum seat of the oil-water separation filter.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to solve the above-mentioned deficiencies of the prior art,

an aluminum seat structure of an oil-water separation filter is provided.

In order to achieve the above purpose, the utility model provides a following technical scheme: the aluminum seat structure of the oil-water separation filter comprises an aluminum seat body, wherein an oil inlet and an oil outlet which are relatively arranged are formed in the aluminum seat body, and the aluminum seat structure is characterized in that: the oil-water separation type oil-water separation device is characterized in that a filter element is connected between an oil inlet and an oil outlet of the aluminum seat body, an oil cavity which is respectively communicated with the oil inlet and the oil outlet is formed in the aluminum seat body, a one-way valve device is arranged in the oil cavity, fuel oil in the oil cavity enters the aluminum seat body through the oil inlet, is filtered by the filter element and then flows out of the oil outlet through the one-way valve device from the oil cavity, and an L-shaped oil duct structure which is communicated with the oil cavity and formed by a core pulling process is arranged.

By adopting the technical scheme, the fuel enters the aluminum seat from the fuel tank communicated with the oil inlet, is filtered by the filter element and then enters the oil cavity through the L-shaped oil passage, the fuel in the oil cavity flows into the fine filtering device from the oil outlet through the one-way valve, because the thick aluminum seat material cannot be realized by punching the L-shaped oil passage out of the aluminum seat after the aluminum seat is formed, the L-shaped oil passage must be drawn out in advance through a core pulling process before the aluminum seat is formed, the fuel firstly enters the aluminum seat from the oil inlet, then is filtered by the filter element and then flows into the oil cavity from the L-shaped oil passage, and then flows to the fine filtering device from the oil outlet through the one-way valve, the service life of the aluminum seat can be greatly prolonged by performing a rough filtering process on the fuel in advance, and the condition that the service life is.

The aluminum seat structure of the oil-water separation filter can be further set as follows: the L-shaped oil passage structure comprises a first oil hole and a second oil hole which are formed through a core-pulling process, wherein the end of the first oil hole and the end of the second oil hole which face the outside are provided with plugs, the one-way valve device comprises a valve rod and an umbrella valve arranged at one end of the valve rod, which is used for arranging the umbrella valve, extends into the oil cavity, the other end of the valve rod, which is used for arranging the umbrella valve relatively, is provided with a limiting part which limits the valve rod in the oil cavity, the valve rod comprises an umbrella valve connecting end and a limiting part connecting end which is connected with the umbrella valve connecting end, a plurality of oil passing holes which are distributed with the circumference are arranged between the umbrella valve connecting end and the limiting part connecting end, the valve rod is communicated with the oil outlet through the oil passing holes, the limiting part.

By adopting the technical scheme, the first oil hole and the second oil hole are extracted together by a core-pulling process when the aluminum seat is formed, so that the strength of the L-shaped oil passage is ensured, the subsequent processing difficulty is reduced, fuel oil enters the oil cavity after passing through the L-shaped oil passage, the pressure in the oil cavity is higher, a sealing ring is required to be arranged at the joint of the valve rod and the oil cavity in order to ensure that the joint of the check valve and the oil cavity is oil-tight, and the sealing performance between the valve rod and the limiting part is required to be ensured in order to ensure that the gap between the valve rod and the limiting part is oil-tight because the limiting part is sleeved on the valve rod, so that the sealing.

The aluminum seat structure of the oil-water separation filter can be further set as follows: the sealing structure comprises a connecting cavity arranged in the limiting part, the inner diameter of the connecting cavity is matched with the outer diameter of the valve rod, the connecting cavity is provided with an installation cavity which is concentric with the connecting cavity near the umbrella valve connecting end, the inner diameter of the installation cavity is larger than the inner diameter of the connecting cavity, a second sealing ring is installed in the installation cavity, the installation cavity is matched with the second sealing ring in size, and the valve rod is provided with a limiting structure between the connecting end of the limiting part and the limiting part.

By adopting the technical scheme, in the filter industry, the sealing structure of the limit part generally adopts the mode of the oil seal and the snap spring as shown in figure 1 as the sealing element, then the connecting cavity is arranged in the limit part, and the sealing element is installed in the limit part, but the mode has the defects that the installation is troublesome, the oil seal and the snap spring need to be installed in the limit part after being assembled, the oil seal generates displacement in the installation cavity due to the larger impact force of fuel oil on an oil cavity, the stability is poor, the valve rod is abraded after long-time use, the smoothness of the valve rod needs to be ensured to be high, the problem of valve rod abrasion can be solved, the requirement on the processing precision of the valve rod is high, the utility model adopts the technical scheme that the installation cavity is arranged in the connecting cavity, the second sealing ring is arranged in the installation cavity, and the limit of the upper end and the lower end of the connecting cavity of the second sealing ring can not generate displacement when being impacted, the stability is good, the second sealing ring can not cause abrasion to the valve rod, so the requirement on the smoothness of the valve rod is not so high, relatively, the service life of the second sealing ring is greatly prolonged, and the traditional oil seal and clamp spring mode is abandoned, so the assembly efficiency is improved, as shown in figure 1, as the lower end of the installation position of the limiting piece is the oil through hole, in order to ensure that the oil through hole is not shielded by the limiting piece, the traditional mode is that at least three support legs which are integrally formed on the limiting piece are arranged on the limiting piece, the limiting piece is lifted up to ensure the communication effect of the oil through hole, but in the practical use, the impact force of fuel oil is large, the support legs are easily broken by the pressure of the fuel oil after being used for a period of time, so that the looseness is generated between the limiting piece and the valve rod, the service lives of the limiting piece and the valve rod are shortened, therefore, a new limiting structure is needed to be arranged to ensure that the limiting part is not broken by the pressure of fuel oil.

The aluminum seat structure of the oil-water separation filter can be further set as follows: the limiting structure is a limiting step arranged at one end, away from the umbrella valve connecting end, of the valve rod in the oil passing hole, and the limiting part is sleeved on the valve rod and then one end of the limiting part is abutted to the limiting step.

By adopting the technical scheme, the upper end of the oil hole is directly arranged on the limiting step of the valve rod in an integrated mode, the valve rod is sleeved with the limiting part, and then one end of the limiting part is abutted to the limiting step, so that the communicating effect of the oil hole is guaranteed, the processing difficulty of the limiting part is reduced, the supporting leg does not need to be processed on the limiting part, and the service life of the limiting part is prolonged.

The aluminum seat structure of the oil-water separation filter can be further set as follows: the oil cavity is provided with an internal thread, the limiting part is provided with an external thread, and the limiting part is in threaded connection with the oil cavity.

The utility model has the advantages that: not only promotes the cleanliness of fuel entering the aluminum seat, but also greatly prolongs the service life of the limiting part and the valve rod.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic cross-sectional view of a limiting member and a sealing structure of the limiting member used in the prior art.

Fig. 2 is a schematic diagram of a three-dimensional structure after a limiting member and a valve rod are connected in the prior art.

Fig. 3 is a schematic perspective view of an embodiment of the present invention.

Fig. 4 is a front view of an embodiment of the present invention.

Fig. 5 is a schematic sectional view of the portion a-a in fig. 3.

Fig. 6 is a schematic view of a three-dimensional structure of a valve rod according to an embodiment of the present invention.

Fig. 7 is a schematic view of a three-dimensional structure of a position-limiting member according to an embodiment of the present invention.

Detailed Description

Referring to fig. 1-7: an aluminum seat structure of an oil-water separation filter comprises an aluminum seat body 1, wherein an oil inlet 11 and an oil outlet 12 which are oppositely arranged are arranged on the aluminum seat body 1, a filter element is connected between the oil inlet 11 and the oil outlet 12 of the aluminum seat body 1, an oil cavity 13 which is respectively communicated with the oil inlet 11 and the oil outlet 12 is arranged in the aluminum seat body 1, a one-way valve device 2 is arranged in the oil cavity 13, fuel oil in the oil cavity enters the aluminum seat body 1 through the oil inlet 11, is filtered by the filter element and then flows out from the oil outlet 12 through the one-way valve device 2 from the oil cavity 13, an L-shaped oil channel structure which is formed by a core pulling process and is communicated with the oil cavity 13 is arranged at the position of the connected filter element of the aluminum seat body 1, the L-shaped oil channel structure comprises a first oil hole 14 and a second oil hole 15 which are formed by the core pulling process, end plugs 16 are respectively arranged at the outward ends of the first oil hole 14 and, one end of the valve rod 21, which is provided with the umbrella valve 22, extends into the oil cavity 13, the other end of the valve rod 21, which is opposite to the umbrella valve 22, is provided with a limiting piece 3 limiting the valve rod 21 in the oil cavity 13, the valve rod 21 comprises an umbrella valve connecting end 211 and a limiting piece connecting end 212 connected with the umbrella valve connecting end 211, a plurality of oil through holes 23 distributed circumferentially are arranged between the umbrella valve connecting end 211 and the limiting piece connecting end 212, the valve rod 21 is communicated with the oil outlet 12 through the oil through holes 23, the limiting piece 3 is sleeved on the limiting piece connecting end 212 and connected to the inner wall of the oil cavity 13, a sealing ring 4 is arranged between the limiting piece 3 and the inner wall of the oil cavity 13, a sealing structure is arranged in the limiting piece 3, the sealing structure comprises a connecting cavity 31 arranged in the limiting piece 3, the inner diameter of the connecting cavity 31 is matched, the inner diameter of the mounting cavity 311 is larger than the inner diameter of the connecting cavity 31, the second sealing ring 312 is mounted in the mounting cavity 311, the mounting cavity 311 is matched with the second sealing ring 312 in size, the valve rod 21 is provided with a limiting structure between the limiting part connecting end 212 and the limiting part 3, the limiting structure is a limiting step 213 arranged at one end of the valve rod 21 far away from the umbrella valve connecting end 211 in the oil passing hole 23, one end of the limiting part 3 is abutted to the limiting step 213 after the valve rod 21 is sleeved on the limiting part, the oil cavity 13 is provided with an internal thread, the limiting part 3 is provided with an external thread.

Claims

1. The aluminum seat structure of the oil-water separation filter comprises an aluminum seat body, wherein an oil inlet and an oil outlet which are relatively arranged are formed in the aluminum seat body, and the aluminum seat structure is characterized in that: the oil-water separation type oil-water separation device is characterized in that a filter element is connected between an oil inlet and an oil outlet of the aluminum seat body, an oil cavity which is respectively communicated with the oil inlet and the oil outlet is formed in the aluminum seat body, a one-way valve device is arranged in the oil cavity, fuel oil in the oil cavity enters the aluminum seat body through the oil inlet, is filtered by the filter element and then flows out of the oil outlet through the one-way valve device from the oil cavity, and an L-shaped oil duct structure which is communicated with the oil cavity and formed by a core pulling process is arranged.

2. The aluminum seat structure of an oil-water separation filter according to claim 1, characterized in that: the L-shaped oil passage structure comprises a first oil hole and a second oil hole which are formed through a core-pulling process, wherein the end of the first oil hole and the end of the second oil hole which face the outside are provided with plugs, the one-way valve device comprises a valve rod and an umbrella valve arranged at one end of the valve rod, which is used for arranging the umbrella valve, extends into the oil cavity, the other end of the valve rod, which is used for arranging the umbrella valve relatively, is provided with a limiting part which limits the valve rod in the oil cavity, the valve rod comprises an umbrella valve connecting end and a limiting part connecting end which is connected with the umbrella valve connecting end, a plurality of oil passing holes which are distributed with the circumference are arranged between the umbrella valve connecting end and the limiting part connecting end, the valve rod is communicated with the oil outlet through the oil passing holes, the limiting part.

3. The aluminum seat structure of an oil-water separation filter according to claim 2, characterized in that: the sealing structure comprises a connecting cavity arranged in the limiting part, the inner diameter of the connecting cavity is matched with the outer diameter of the valve rod, the connecting cavity is provided with an installation cavity which is concentric with the connecting cavity near the umbrella valve connecting end, the inner diameter of the installation cavity is larger than the inner diameter of the connecting cavity, a second sealing ring is installed in the installation cavity, the installation cavity is matched with the second sealing ring in size, and the valve rod is provided with a limiting structure between the connecting end of the limiting part and the limiting part.

4. The aluminum seat structure of an oil-water separation filter according to claim 3, characterized in that: the limiting structure is a limiting step arranged at one end, away from the umbrella valve connecting end, of the valve rod in the oil passing hole, and the limiting part is sleeved on the valve rod and then one end of the limiting part is abutted to the limiting step.

5. The aluminum seat structure of an oil-water separation filter according to claim 2, characterized in that: the oil cavity is provided with an internal thread, the limiting part is provided with an external thread, and the limiting part is in threaded connection with the oil cavity.