CN202360356U - Vent valve for crankcase of marine compressor - Google Patents
Vent valve for crankcase of marine compressor Download PDFInfo
- Publication number
- CN202360356U CN202360356U CN2011204639834U CN201120463983U CN202360356U CN 202360356 U CN202360356 U CN 202360356U CN 2011204639834 U CN2011204639834 U CN 2011204639834U CN 201120463983 U CN201120463983 U CN 201120463983U CN 202360356 U CN202360356 U CN 202360356U
- Authority
- CN
- China
- Prior art keywords
- valve seat
- valve
- crankcase
- vent
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a vent valve for a crankcase of a marine compressor. The vent valve comprises a valve seat (6) and a valve cap (2); the valve seat (6) is connected with the crankcase through outer threads (7); and the valve cap (2) covers the valve seat (6) through a bolt (1). The vent valve is characterized in that a valve seat cover (5) provide with a vent hole is sleeved on an air outlet end of the valve seat (6); a valve plate (4) is arranged on the valve seat cover (5); an outer ring edge of a pressing sleeve (3) presses against the edge of the valve seat cover (5); an inner pressure edge of the pressing sleeve (3) presses against a center ring of the valve seat cover (5) and pushes against the lower end of a pressing pipe (8); the upper end of the pressing pipe (8) is fixed on the valve cap (2); and the bolt (1) passes through the pressing pipe (8) to be connected with a screw hole arranged on the valve seat (6). According to utility model, the vent valve for a crankcase of a marine compressor is simple in structure and small and exquisite in appearance; not only can inner and outer pressures of the crankcase be balanced, but also the separation of oil and gas can be realized.
Description
Technical field
The utility model relates to a kind of marine compressor technology, especially a kind of marine compressor crankcase accessory, specifically a kind of marine compressor crank case vent valve.
Background technique
As everyone knows, piston compressor is in the to-and-fro motion process, and the inner volume size of its crankcase changes along with the motion of piston, can exist micro-pressurized gas to leak in the crankcase simultaneously, causes crankcase pressure greater than barometric pressure.In order to make gas pressure in the crankcase keep normal pressure (because crankcase when the compressor proper functioning be not pressure-bearing), vent valve (being also referred to as inhalation valve) must be set.
Summary of the invention
The purpose of the utility model is can rise because of piston motion to the gas pressure in the crankcase; Cause crankcase pressure greater than atmospheric problem; Lose with gas purging in the crankcase in order to prevent the lubricant oil in the pressurized gas simultaneously; Cause the not enough problem of lubricants capacity, design a kind of marine compressor crank case vent valve that can pressure release can realize Oil-gas Separation again.
The technological scheme of the utility model is:
A kind of marine compressor crank case vent valve; It comprises valve seat 6 and bonnet 2, and valve seat 6 links to each other with crankcase through outside thread 7, and bonnet 2 is contained on the valve seat 6 through screw 1 cover; It is characterized in that being set with on the outlet side of described valve seat 6 the valve seat lid 5 that has vent; Valve block 4 places on the valve seat lid 5, and the limit, outer ring of gland 3 is pressed against on the edge of valve seat lid 5, and the interior flanging of gland 3 is pressed on the central ring of valve seat lid 5 and with the lower end of pressing pipe 8 and offsets; Press the upper end of pipe 8 to be fixed on the bonnet 2, described screw 1 passes presses pipe 8 to link to each other with screw on the valve seat 6.
At least be provided with the downward convexity 9 of two circles on the described valve block 4.
The beneficial effect of the utility model:
The utility model is simple in structure, and profile is small and exquisite, can balance crankshaft case external and internal pressure, can reach the effect of Oil-gas Separation again.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of the valve seat of the utility model.
Fig. 3 is the structural representation of the valve block of the utility model.
Fig. 4 is the structural representation of the gland of the utility model.
Fig. 5 is the plan view of Fig. 4.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Shown in Fig. 1-5.
A kind of marine compressor crank case vent valve, it comprises valve seat 6 and bonnet 2, and is as shown in Figure 1; Bonnet 2 is similar to a spherical cap structure, and its top has installs the hole of pressing pipe 8, is fixed on the bonnet 2 behind the top flange of pressure pipe 8; Valve seat 6 links to each other with crankcase through outside thread 7, and is as shown in Figure 2, and bonnet 2 is contained on the valve seat 6 through screw 1 cover; Be set with the valve seat lid 5 that has vent on the outlet side of described valve seat 6, valve block 4 places on the valve seat lid 5, and the structure of valve block 4 is as shown in Figure 3; At least be provided with the downward convexity 9 of two circles on the valve block 4; The limit, outer ring 10 of gland 3 (like Fig. 4, shown in 5) is pressed against on the edge of valve seat lid 5, and the interior flanging 11 of gland 3 is pressed on the central ring of valve seat lid 5 and with the lower end surface of pressing pipe 8 and offsets, and presses the pipe 8 interior flanging 11 with gland 3 to be fixed on the valve seat lid 5; Valve block 4 can only move up and down along axial direction under the interior flanging of gland 3 spacing by a small margin; So that after oil-containing gases impacts valve block 4, produce outside the supplied gas expulsion valve of gap between valve block 4 and the valve seat lid 5, and promptly fall to being back in the crankcase again after lubricant oil in the gas and valve block 4 collisions; The upper end of pressure pipe 8 be fixed on the bonnet 2, described screw 1 passes presses pipe 8 to link to each other with screw on the valve seat 6.
The utility model does not relate to all identical with the existing technology existing technology that maybe can adopt of part to be realized.
Claims (2)
1. marine compressor crank case vent valve; It comprises valve seat (6) and bonnet (2); Valve seat (6) links to each other with crankcase through outside thread (7); Bonnet (2) is contained on the valve seat (6) through screw (1) cover, it is characterized in that being set with the valve seat lid (5) that has vent on the outlet side of described valve seat (6), and valve block (4) places on the valve seat lid (5); The limit, outer ring of gland (3) is pressed against on the edge of valve seat lid (5); The interior flanging of gland (3) is pressed on the central ring of valve seat lid (5) and with the lower end of pressing pipe (8) and offsets, and presses the upper end of pipe (8) to be fixed on the bonnet (2), and described screw (1) passes presses pipe (8) to link to each other with screw on the valve seat (6).
2. marine compressor crank case vent valve according to claim 1 is characterized in that being provided with at least on the described valve block (4) the downward convexity (9) of two circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204639834U CN202360356U (en) | 2011-11-21 | 2011-11-21 | Vent valve for crankcase of marine compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204639834U CN202360356U (en) | 2011-11-21 | 2011-11-21 | Vent valve for crankcase of marine compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202360356U true CN202360356U (en) | 2012-08-01 |
Family
ID=46571546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204639834U Expired - Fee Related CN202360356U (en) | 2011-11-21 | 2011-11-21 | Vent valve for crankcase of marine compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202360356U (en) |
-
2011
- 2011-11-21 CN CN2011204639834U patent/CN202360356U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20161121 |