CN101385924B

CN101385924B - Oil-gas separator

Info

Publication number: CN101385924B
Application number: CN200810121477XA
Authority: CN
Inventors: 方益军
Original assignee: ZHEJIANG FANGYUAN ELECTROMECHANICAL EQUIPMENT MANUFACTURING Co Ltd
Current assignee: ZHEJIANG FANGYUAN ELECTROMECHANICAL EQUIPMENT MANUFACTURING Co Ltd
Priority date: 2008-10-07
Filing date: 2008-10-07
Publication date: 2011-05-25
Anticipated expiration: 2028-10-07
Also published as: CN101385924A

Abstract

The invention discloses a gas and oil separator which comprises a cylinder outer housing, an upper cover covered on the top of the outer housing, an air inflow oil return pipe communicated with the bottom of the outer housing, an air outflow arranged on the side wall of the outer housing and communicated with the interior of the outer housing, and an oil and gas separation facility inside of the outer housing; the bottom of the outer housing is internally provided with a gas collecting oil return body which is a disc-shaped structure, the central part of which is provided with air inlet holes. The outer edge of the gas collection oil return body is provided with a plurality of oil return holes; the oil and gas separation facility is arranged on the gas collection oil return body; the air inlet holes of the gas collection oil return body are communicated with the inner cavity of the oil and gas separation facility. Reclaimed liquid oil drops reflow to a crankcase of a gas engine and all assembly of a vehicle engine along gas collection oil return body, the inner wall of the outer housing and an air inflow oil return hole to ensure the performance thereof.

Description

A kind of gs-oil separator

Technical field

The present invention relates to gas and oil separating plant, relate in particular to the gas and oil separating plant after a kind of fuel engines lubricating oil gasifies.

Background technology

Each assembly of crank case of internal combustion engine and vehicle motor temperature after running up for a long time raises, and causes the lubricating oil gasification with exhaust emissions atmosphere pollution environment.Existing gas oil separation structure mainly adopts simple strainer filtering to separate the back oil strain and concentrates on the unified processing of catchment cup; oil gas separation is not good on the one hand for this mode; stop up gas and oil separating plant easily; influence the engine internal gas pressure and lack the decompression protection device; influence engine performance easily along with lubricating oil gasification in the engine reduces untimely replenishing on the other hand, increase unnecessary maintenance number of times.

China utility model patent 200710052733.X discloses a kind of gas-oil separator.It comprises loam cake, the shell that is connected with loam cake, be provided with catchment cup in the shell, establish the cavity filter core in the catchment cup, the cavity filter core is connected with loam cake, and the interior outlet chamber of the cavity in the filter core and loam cake communicates, and outlet chamber communicates with the gas outlet, air inlet and catchment cup inner chamber link on the loam cake, and the cavity in catchment cup inner chamber and the filter core is separated by filter core.

But still there be protective device and the real-time oil return performance under the gas and oil separating plant obstruction in gs-oil separator in this technology.

Summary of the invention

The invention provides in a kind of oil gas that will contain lubricating oil lubricating oil forms reflux back crank case of internal combustion engine and each assembly of vehicle motor and oil strain of liquid back and reclaims sufficient gs-oil separator.

A kind of gs-oil separator, the shell that comprises tubular, cover on the loam cake of cover top portion, the air inlet oil return pipe that is communicated with outer casing bottom, be arranged on the gas and oil separating plant of side wall of outer shell and escape pipe that communicates with enclosure and enclosure, bottom in the shell is provided with gas collection oil return body, gas collection oil return body is the disc-shaped structure that the centre has air admission hole, the outward flange of gas collection oil return body is provided with several spill ports, gas and oil separating plant places on the gas collection oil return body, the air admission hole of gas collection oil return body is communicated with the gas and oil separating plant inner chamber, and spill port is provided with the angle and makes things convenient for oil body to reflux.The liquid oil droplet that reclaims along gas collection oil return body and outer casing inner wall, the air inlet oil return opening is back to crank case of internal combustion engine and each assembly of vehicle motor guarantees its performance.

Described escape pipe is provided with along outer shell outer wall tangent to periphery direction, and the gas of discharging when giving vent to anger can drive inside and not discharge gas formation whirlpool shape flow direction.

Described outer casing bottom diameter shrinks the changeover portion that forms the rounding bench-type gradually, and the end opening of changeover portion is connected with the air inlet oil return pipe.Gas collection oil return body is positioned at the changeover portion of shell, and the external edge of gas collection oil return is supported on the inwall of changeover portion.The caliber of air inlet oil return pipe is less than the aperture of changeover portion, so oil gas descends at the air pressure of changeover portion.When oil gas arrives gas collection oil return body gas collection oil return body quite be that a positive circular platform type aperture dwindles gradually, that is to say that oil gas air pressure progressively increases, the oil gas after the supercharging arrives its separating effect of gas and oil separating plant and obtains increasing.

Described gas and oil separating plant is made up of the columnar mesh skeleton filtering material layer outer with being wrapped in mesh skeleton, and described mesh skeleton two ends are respectively equipped with annular support plate, and the annular support plate outer rim is supported in the inwall of shell.The in different size convenient of two ends annular support plate installed and the location.

The outer rim side of described annular support plate is provided with cannelure, and cannelure is built-in with sealing ring, makes housing form an airtight relatively space.

Described mesh skeleton constitutes by several vertical equally distributed support bars with around the cross-brace bar that the mesh skeleton longitudinal axis extends spirally, the cross-brace bar crosses and connects in each vertical equally distributed support bar successively, and guiding oil gas spiral rises and forms whirlpool oil gas the hydrocarbon filter rate is provided.

Be provided with relief valve between described loam cake and the gas and oil separating plant, relief valve comprises the round pie valve body that covers on the centre bore on columnar mesh skeleton top, the valve body centre extends to form coupler body to the centre bore inside of mesh skeleton, the annular support plate internal diameter on mesh skeleton top shrinks and forms inward flange, being provided with spring between the coupler body of this inward flange and valve body makes the round pie valve body compress the mesh skeleton end face, be connected by self-locking thread between described cover top portion and loam cake, make and leave the gap that is used for pressure release between cover top portion and loam cake.Self-locking thread is a kind of internal and external threads tooth form angle screw thread pair inequality, but has the gap ventilation and pressure release again owing to internal and external threads tooth form angle screw thread inequality has promptly played the connection effect.

Described gas collection oil return body is extended with the location annulus along the air admission hole hole wall to the gas and oil separating plant inner chamber, and described separator places on the annulus of location.

Gs-oil separator of the present invention reduces unnecessary fault by gas collection oil return body lubricating oil each assembly of crank case of internal combustion engine and vehicle motor that refluxes back that will gasify, and the oil gas after the supercharging simultaneously utilizes the abundant separation oil and gas of cylindrical shape gas and oil separating plant.

Description of drawings

Fig. 1 is the plan structure schematic diagram of gs-oil separator of the present invention;

Fig. 2 is the structural representation behind the removal loam cake of gs-oil separator of the present invention;

Fig. 3 is along B-B line cutaway view among Fig. 1;

Fig. 4 is the plan structure schematic diagram of mesh skeleton of the band shape supporting disk of gs-oil separator of the present invention;

Fig. 5 is the main TV structure schematic diagram of mesh skeleton of the band shape supporting disk of gs-oil separator of the present invention;

Fig. 6 is the gas collection oil return body plan structure schematic diagram of gs-oil separator of the present invention;

Fig. 7 is the gas collection oil return body master TV structure schematic diagram of gs-oil separator of the present invention;

Fig. 8 is the perspective view of gs-oil separator of the present invention.

The specific embodiment

As Fig. 3,6,7, shown in 8, gs-oil separator of the present invention, the shell 9 that comprises tubular, cover on the loam cake 1 at shell 9 tops, the air inlet oil return pipe 12 that is communicated with shell 9 bottoms, be arranged on the gas and oil separating plant of shell 9 sidewalls and escape pipe 2 that communicates with shell 9 inside and shell 9 inside, bottom in the shell 9 is provided with gas collection oil return body 11, gas collection oil return body 11 has the disc-shaped structure of air admission hole for the centre, the outward flange of gas collection oil return body 11 is provided with several spill ports 20, gas and oil separating plant places on the gas collection oil return body 11, gas collection oil return body 11 is extended with location annulus 10 along the air admission hole hole wall to the gas and oil separating plant inner chamber and is communicated with the cooperation of gas and oil separating plant internal chamber wall, and spill port 20 is provided with chamfering and makes things convenient for oil body to reflux.

Escape pipe 2 is provided with along shell 9 outer wall tangent to periphery directions as shown in Figure 1.

Shell 9 base diameters shrink the changeover portion that forms the rounding bench-type gradually shown in Fig. 2,3, and the end opening of changeover portion is connected with air inlet oil return pipe 12.Gas collection oil return body 11 is positioned at the changeover portion of shell 9, and gas collection oil return body 11 outward flanges are supported on the inwall of changeover portion.

Gas and oil separating plant is by columnar mesh skeleton 18 be wrapped in the outer filtering material layer 14 of mesh skeleton and form shown in Fig. 4,5, mesh skeleton 18 two ends are respectively equipped with annular support plate, the annular support plate outer rim is supported in the inwall of shell, the in different size convenient of two ends annular support plate installed and the location, and shell and annular support plate outer rim junction are provided with type conical bench.The outer rim side of annular support plate is provided with cannelure 17, and cannelure 17 is built-in with sealing ring 7, makes housing 9 form an airtight relatively space.The annular brace coiling center that mesh skeleton 18 bottoms connect is evenly distributed with some oil leaking holes 16, and its position is below filtering material layer 14.Mesh skeleton 18 constitutes by several vertical equally distributed support bars with around the cross-brace bar that the mesh skeleton longitudinal axis extends spirally, the cross-brace bar crosses and connects in each vertical equally distributed support bar successively, and guiding oil gas spiral rises and forms whirlpool oil gas and improve the hydrocarbon filter rate.

Be provided with relief valve between loam cake 1 and the gas and oil separating plant, relief valve comprises the round pie valve body 5 that covers on the centre bore on columnar mesh skeleton 18 tops, valve body 5 centres extend to form coupler body to the centre bore inside of mesh skeleton 18, the annular support plate internal diameter on mesh skeleton 18 tops shrinks and forms inward flange, being provided with spring 15 between the coupler body of this inward flange and valve body 5 makes round pie valve body 5 compress mesh skeleton 18 end faces, be connected by self-locking thread between shell 9 tops and loam cake, also can be by the connected modes such as draw-in groove in other band spaces.

Gs-oil separator uses back filtering material layer 14 to be stopped up by dirt easily for a long time; oil gas can't cause the gs-oil separator internal pressure to increase by filtering material layer 14; when serious even influence crank case of internal combustion engine and each assembly internal pressure generation fault of vehicle motor; the elastic force that the present invention's air pressure when the gs-oil separator overvoltage will overcome spring 15 pushes up from mesh skeleton 18 end face air pressure round pie valve body 5 from the self-locking thread pressure release between shell 9 tops and loam cake; protection gs-oil separator and crank case of internal combustion engine and each assembly of vehicle motor, and the prompting personnel carry out maintenance clean filtering material layer 14.

Gs-oil separator workflow of the present invention is: the oil gas that lubricating oil gasification back produces in each assembly of crank case of internal combustion engine and vehicle motor enters gs-oil separator from air inlet oil-out 12, go into netted skeleton 18 in that the 11 inwall place superchargings of gas collection oil return body are laggard, lubricating oil formed oil droplet when oil gas saw through filtering material layer 14 on filtering material layer 14, oil droplet flows to through the chamfering of oil leaking holes 16 along gas collection oil return body 11 outer walls from spill port 20 along filtering material layer 14 on the inwall of shell 9 and is back in crank case of internal combustion engine and each assembly of vehicle motor through air inlet oil-out 12, oil gas sees through filtering material layer 14 backs and meets the oily ends of cold formations at shell 9 inwall places and be back to from air inlet oil-out 12 crank case of internal combustion engine and each assembly of vehicle motor, the oil gas that is fully filtered from escape pipe 2 with exhaust emissions.

Claims

1. gs-oil separator, the shell (9) that comprises tubular, cover on the loam cake (1) at shell (9) top, the air inlet oil return pipe (12) that is communicated with shell (9) bottom, be arranged on the inner gas and oil separating plant of shell (9) sidewall and the escape pipe (2) that communicates with shell (9) inside and shell (9), it is characterized in that: the bottom in the described shell (9) is provided with gas collection oil return body (11), gas collection oil return body (11) has the disc-shaped structure of air admission hole for the centre, the outward flange of gas collection oil return body (11) is provided with several spill ports (20), gas and oil separating plant places on the gas collection oil return body (11), and the air admission hole of gas collection oil return body (11) is communicated with the gas and oil separating plant inner chamber;

Described gas and oil separating plant is by columnar mesh skeleton (18) and be wrapped in the outer filtering material layer (14) of mesh skeleton (18) and form, described mesh skeleton (18) two ends are respectively equipped with annular support plate, and the annular support plate outer rim is supported in the inwall of shell (9);

Be provided with relief valve between described loam cake (1) and the gas and oil separating plant, relief valve comprises the round pie valve body (5) that covers on the centre bore on columnar mesh skeleton (18) top, valve body (5) centre extends to form coupler body to the centre bore inside of mesh skeleton (18), the annular support plate internal diameter on mesh skeleton (18) top shrinks and forms inward flange, being provided with spring between the coupler body of this inward flange and valve body (5) makes round pie valve body (5) compress mesh skeleton (18) end face, be connected by self-locking thread between described shell (9) top and loam cake (1), make between shell (9) top and loam cake (1) and leave the gap that is used for pressure release.

2. gs-oil separator according to claim 1 is characterized in that: described escape pipe (2) is provided with along shell (9) outer wall tangent to periphery direction.

3. gs-oil separator according to claim 1 is characterized in that: described shell (9) base diameter shrinks the changeover portion that forms the rounding bench-type gradually, and the end opening of described changeover portion is connected with air inlet oil return pipe (12).

4. gs-oil separator according to claim 3 is characterized in that: described gas collection oil return body (11) is positioned at the changeover portion of shell (9), and gas collection oil return body (11) outward flange is supported on the inwall of changeover portion.

5. gs-oil separator according to claim 1 is characterized in that: the outer rim side of described annular support plate is provided with cannelure, and cannelure is built-in with sealing ring.

6. gs-oil separator according to claim 1, it is characterized in that: described mesh skeleton (18) constitutes by several vertical equally distributed support bars with around the cross-brace bar that mesh skeleton (18) longitudinal axis extends spirally, and the cross-brace bar crosses with each vertical equally distributed support bar successively and is connected.

7. gs-oil separator according to claim 1 is characterized in that: described gas collection oil return body (11) is extended with location annulus (10) along the air admission hole hole wall to the gas and oil separating plant inner chamber, and described gas and oil separating plant places on the location annulus (10).