CN205445951U - Air compressor machine unloading device that admits air - Google Patents
Air compressor machine unloading device that admits air Download PDFInfo
- Publication number
- CN205445951U CN205445951U CN201620170289.6U CN201620170289U CN205445951U CN 205445951 U CN205445951 U CN 205445951U CN 201620170289 U CN201620170289 U CN 201620170289U CN 205445951 U CN205445951 U CN 205445951U
- Authority
- CN
- China
- Prior art keywords
- valve body
- air
- helicla flute
- load
- balance
- 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.)
- Active
Links
Abstract
The utility model discloses an air compressor machine unloading device that admits air, be located air compressor machine valve plate assembly upper portion, ventilate and personally experience sth. Part of the body including balanced valve body, off -load valve body, spring, O shape sealing washer, helicla flute, the off -load valve body is installed in admit air chamber side of cylinder head, and by the sealed cylinder head off -load air chamber that forms of O shape sealing washer between the cylinder head, the helicla flute is ventilated the body, spring, balanced valve body and is installed at the unloading valve internally, and the spring mounting is ventilated between the body, the balanced valve body at the helicla flute, by the balanced air chamber of the sealed formation of O shape sealing washer between balanced valve body, off -load valve body, the off -load valve body has balanced gas pocket, the helicla flute ventilates to personally experience sth. Part of the body has spiral air flue, axial air flue groove and the horizontal air flue groove of mutual intercommunication, the balanced gas pocket that horizontal air flue groove physically and off -load valve body were ventilated to the helicla flute is linked together, the axial air flue groove that the body was ventilated to the helicla flute is linked together with balanced air chamber, the advantage is: the life of exhaust temperature, energy -conservation and the extension air compressor machine of air compressor machine is hanged down to unloading device reliable operation, degradable.
Description
Technical field
This utility model belongs to automobile air compressor technical field, relates to a kind of air compressor air intake relief arrangement.
Background technology
Air inlet off-load air compressor machine is because it is when brake system pressure reaches the numerical value of regulation, and air compressor machine no longer enters compressed air in system, fall oil consumption, energy-conservation thoroughly.
It is known that vehicle air compressor air inlet relief arrangement is normally at air compressor machine valve plate assembly top；The air inlet relief arrangement of air inlet off-load air compressor machine includes balancing valve body, off-load valve body, spring, O-ring seals；Off-load valve body is arranged in the off-load valve body installing hole of the inlet chamber side of cylinder head；Balance valve body, spring are arranged in unloader body, and balance is sealed by O-ring seals between valve body, off-load valve body and forms a balance air chamber；On off-load valve body, there is balancing air holes；The balancing air holes of off-load valve body communicates with balance air chamber；When air compressor machine is in exhaust condition, air compressor piston top gases at high pressure enter balance through balancing air holes and balance air chamber between valve body, off-load valve body, air inlet relief arrangement balance air chamber air pressure and air compressor piston top gas pressure balancing, the off-load valve body of air inlet relief arrangement is sufficiently sealed with air compressor machine valve plate assembly, reduces fluctuation；When unloading condition, air inlet relief arrangement is opened, and cylinder head air inlet connects with air compressor machine valve plate assembly off-load valve opening, it is achieved air inlet off-load.
The air inlet relief arrangement balance pipe vertical piston top plane of existing air inlet off-load air compressor machine, high temperature and high pressure gas perpendicular flow is directly impinging at balance O-ring seals between valve body, off-load valve body, gas Top Runby is short, insufficient cooling, high-temperature gas on the one hand cause O-ring seals is aging, inefficacy；On the other hand, during air compressor machine aerofluxus, the High Temperature High Pressure produced and greasy dirt, balance is entered between valve body, off-load valve body on O-ring seals, Balance Air locular wall and form carbon deposit by the balancing air holes on off-load valve body, carbon deposit is many will make O-ring seals gas leakage, off-load valve body clamping stagnation, causing air inlet relief arrangement to lose efficacy, air compressor machine is scrapped.
Summary of the invention
The utility model discloses a kind of air compressor air intake relief arrangement, to solve air inlet relief arrangement balance pipe vertical piston top plane in prior art, high temperature and high pressure gas perpendicular flow is directly impinging at balance O-ring seals between valve body, off-load valve body, gas Top Runby is short, insufficient cooling, high-temperature gas cause O-ring seals is aging, inefficacy；During air compressor machine aerofluxus, the High Temperature High Pressure produced and greasy dirt, balance is entered between valve body, off-load valve body on O-ring seals, Balance Air locular wall and form carbon deposit by the balancing air holes on off-load valve body, carbon deposit is many will make O-ring seals gas leakage, off-load valve body clamping stagnation, causes the problems such as air inlet relief arrangement inefficacy.
This utility model air inlet relief arrangement is positioned at air compressor machine valve plate assembly top；Including balance valve body, off-load valve body, spring, O-ring seals, helicla flute ventilation body；Between air compressor machine valve plate assembly, cylinder head, there is sealing gasket；Off-load valve body is arranged in the off-load valve body installing hole of cylinder head inlet chamber side；Sealed by O-ring seals between off-load valve body and cylinder head and form cylinder head off-load air chamber；Helicla flute ventilation body, spring, balance valve body are arranged in unloader body, and spring is arranged between helicla flute ventilation body, balance valve body；Balance is sealed by O-ring seals between valve body, off-load valve body and forms a balance air chamber；Off-load valve body has balancing air holes；Helicla flute ventilation body has helical intake, axial air flue groove, transverse air channel groove；The helicla flute ventilation helical intake of body, axial air flue groove, transverse air channel groove are connected；The transverse air channel groove of helicla flute ventilation body is connected with the balancing air holes of off-load valve body；The axial air flue groove of helicla flute ventilation body is connected with balance balance air chamber between valve body, off-load valve body；When air compressor machine is in exhaust condition, air compressor piston top gases at high pressure sequentially enter helicla flute ventilation the transverse air channel groove of body, helical intake groove, axial air flue groove through the off-load valve opening of air compressor machine valve plate assembly, the balancing air holes of off-load valve body, enter balance balance air chamber between valve body, off-load valve body；Because the gases at high pressure of compression are through each gas channel of helicla flute ventilation body, passage lengthens, reduces the pressure fluctuation of gases at high pressure, reduces the gas to O-ring seals and impacts；It is internal that part carbon distribution in gases at high pressure can accumulate helicla flute ventilation, prevents from entering at O-ring seals.
This utility model balance O-ring seals setting height(from bottom) between valve body, off-load valve body is higher than cylinder head upper wall surface；O-ring seals is on the one hand away from air compressor machine high temperature heat source, on the one hand higher than the natural air cooled abundant heat radiation of cylinder head upper wall surface；Reduce the temperature of O-ring seals.
This utility model also includes back-up ring, back-up ring, back-up ring；Back-up ring is arranged on the both sides of O-ring seals；Back-up ring is heat insulation to the high temperature and high pressure gas entering cylinder head inlet chamber, cooling, stops carbon distribution, reduces and damage O-ring seals.
This utility model also includes plug screw；Plug screw is arranged on above balance valve body, is fastenedly connected with the off-load valve body installing hole of cylinder head inlet chamber side.
Of the present utility model have the active effect that relief arrangement reliable operation, it is possible to decrease the delivery temperature of air compressor machine, energy-conservation and extend service life of air compressor machine.
Accompanying drawing explanation
Fig. 1 is this utility model exhaust condition structural representation；
Fig. 2 is this utility model unloading condition structural representation；
Fig. 3 is this utility model helicla flute ventilation body axonometric drawing；
Fig. 4 is this utility model helicla flute ventilation body cut-away view；
In figure: 1 plug screw, 2O shape sealing ring, 3 back-up rings, 4 back-up rings, 5O shape sealing ring, 6 springs, 7 balance valve bodies, 8 cylinder head, 9 sealing gaskets, 10 valve plate assemblies, 11 helicla flute ventilation body, 12 off-load valve bodies, 13 back-up rings, 14O shape sealing ring, 8a cylinder head inlet chamber, 8b cylinder head discharge chamber, 8c cylinder head off-load air chamber, 8d cylinder head upper wall surface, 10a off-load valve opening, 11a helical intake, 11b axial air flue groove, 11c transverse air channel groove, 12a balancing air holes.
Detailed description of the invention
An embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, air inlet relief arrangement includes plug screw 1, O-ring seals 2, back-up ring 3, back-up ring 4, O-ring seals 5, spring 6, balance valve body 7, helicla flute ventilation body 11, off-load valve body 12, back-up ring 13, O-ring seals 14 to this utility model embodiment；Air inlet relief arrangement is positioned at air compressor machine valve plate assembly 10 top；Between air compressor machine valve plate assembly 10, cylinder head 8, there is sealing gasket 9；Off-load valve body 12 is arranged in the off-load valve body installing hole of cylinder head inlet chamber 8a side；Sealed by O-ring seals 5, O-ring seals 14 between off-load valve body 12 and cylinder head 8 and form cylinder head off-load air chamber 8c；Helicla flute ventilation body 11, spring 6, balance valve body are arranged in off-load valve body 12, and spring 6 is arranged between helicla flute ventilation body 11, balance valve body；Balance is sealed by O-ring seals 2 between valve body 7, off-load valve body 12 and forms a balance air chamber；Off-load valve body 12 has balancing air holes 12a；Plug screw 1 is arranged on above balance valve body 7, is fastenedly connected with the off-load valve body installing hole of cylinder head inlet chamber 8a side；Balance O-ring seals 2 between valve body 7, off-load valve body 12, and O-ring seals 5 setting height(from bottom) between off-load valve body 12 and cylinder head 8 is higher than cylinder head upper wall surface 8d, is arranged at away from air compressor cylinder lid discharge chamber 8b high temperature heat source；O-ring seals 2, O-ring seals 5 will not design inside cylinder head, and O-ring seals is on the one hand away from air compressor machine high temperature heat source, on the one hand higher than the natural air cooled abundant heat radiation of cylinder head upper wall surface 8d；Reduce the temperature of O-ring seals.Back-up ring 3 is arranged on the both sides of O-ring seals 2；Back-up ring 4 is arranged on the side of O-ring seals 5；Back-up ring 13 is arranged on the side of O-ring seals 14.Back-up ring is heat insulation to the high temperature and high pressure gas entering cylinder head inlet chamber 8a, cooling, stops carbon distribution, reduces and damage O-ring seals.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, helicla flute ventilation body 11 has helical intake 11a, axial air flue groove 11b, transverse air channel groove 11c；The helicla flute ventilation helical intake 11a of body 11, axial air flue groove 11b, transverse air channel groove 11c are connected；The transverse air channel groove 11c of helicla flute ventilation body 11 is connected with the balancing air holes 12a of off-load valve body 12；The axial air flue groove 11b of helicla flute ventilation body 11 is connected with balance balance air chamber between valve body 7, off-load valve body 12；When air compressor machine is in exhaust condition, air compressor piston top gases at high pressure sequentially enter helicla flute ventilation the transverse air channel groove 11c of body 11, helical intake groove 11a, axial air flue groove 11b through off-load valve opening 10a, the balancing air holes 12a of off-load valve body 12 of air compressor machine valve plate assembly 10, enter balance balance air chamber between valve body, off-load valve body；Because the gases at high pressure of compression are through each gas channel of helicla flute ventilation body 11, passage lengthens, reduces the pressure fluctuation of gases at high pressure, reduces the gas to O-ring seals 2 and impacts；Part carbon distribution in gases at high pressure can accumulate in helicla flute ventilation body 11, prevents from entering at O-ring seals 2.
Claims (4)
1. an air compressor air intake relief arrangement；It is characterized in that: be positioned at air compressor machine valve plate assembly top；Including balance valve body, off-load valve body, spring, O-ring seals, helicla flute ventilation body；Between air compressor machine valve plate assembly, cylinder head, there is sealing gasket；Off-load valve body is arranged in the off-load valve body installing hole of cylinder head inlet chamber side；Sealed by O-ring seals between off-load valve body and cylinder head and form cylinder head off-load air chamber；Helicla flute ventilation body, spring, balance valve body are arranged in unloader body, and spring is arranged between helicla flute ventilation body, balance valve body；Balance is sealed by O-ring seals between valve body, off-load valve body and forms a balance air chamber；Off-load valve body has balancing air holes；Helicla flute ventilation body has helical intake, axial air flue groove, transverse air channel groove；The helicla flute ventilation helical intake of body, axial air flue groove, transverse air channel groove are connected；The transverse air channel groove of helicla flute ventilation body is connected with the balancing air holes of off-load valve body；The axial air flue groove of helicla flute ventilation body is connected with balance balance air chamber between valve body, off-load valve body；When air compressor machine is in exhaust condition, air compressor piston top gases at high pressure sequentially enter helicla flute ventilation the transverse air channel groove of body, helical intake groove, axial air flue groove through the off-load valve opening of air compressor machine valve plate assembly, the balancing air holes of off-load valve body, enter balance balance air chamber between valve body, off-load valve body.
A kind of air compressor air intake relief arrangement the most according to claim 1；It is characterized in that: balance O-ring seals setting height(from bottom) between valve body, off-load valve body is higher than cylinder head upper wall surface.
A kind of air compressor air intake relief arrangement the most according to claim 1；It is characterized in that: also include back-up ring；Back-up ring is arranged on the both sides of O-ring seals.
A kind of air compressor air intake relief arrangement the most according to claim 1；It is characterized in that: also include plug screw；Plug screw is arranged on above balance valve body, is fastenedly connected with the off-load valve body installing hole of cylinder head inlet chamber side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620170289.6U CN205445951U (en) | 2016-03-07 | 2016-03-07 | Air compressor machine unloading device that admits air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620170289.6U CN205445951U (en) | 2016-03-07 | 2016-03-07 | Air compressor machine unloading device that admits air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205445951U true CN205445951U (en) | 2016-08-10 |
Family
ID=56605097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620170289.6U Active CN205445951U (en) | 2016-03-07 | 2016-03-07 | Air compressor machine unloading device that admits air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205445951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3718844A1 (en) * | 2019-04-05 | 2020-10-07 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Piston assembly for an unloader valve of an air compressor |
-
2016
- 2016-03-07 CN CN201620170289.6U patent/CN205445951U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3718844A1 (en) * | 2019-04-05 | 2020-10-07 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Piston assembly for an unloader valve of an air compressor |
| WO2020201429A1 (en) * | 2019-04-05 | 2020-10-08 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Piston assembly for an unloader valve of an air compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206111487U (en) | Compressor valve organizes assembly structure | |
| CN108035818B (en) | Cylinder head for a prechamber spark plug | |
| CN207229339U (en) | A kind of water cooled cylinder structure | |
| CN205445951U (en) | Air compressor machine unloading device that admits air | |
| CN202360357U (en) | Air valve type check valve for piston type compressor | |
| CN214699215U (en) | Angle type conical surface sealing stop valve with pressure relief function | |
| CN206801820U (en) | A kind of flow is adjustable into air valve | |
| CN111162341A (en) | Novel power lithium battery cooling system | |
| CN106523320B (en) | A kind of oil-free silent air compressor of low energy consumption | |
| CN2906127Y (en) | Cylinder body of piston compressor in automobile pneumatic brake system | |
| CN102795097B (en) | Apparatus for regulating vehicle fuel tank pressure | |
| CN204591520U (en) | A kind of cyclinder head cover assembly and engine crankshaft ventilation system | |
| CN201277163Y (en) | Internal combustion engine type novel high-efficiency energy-saving reciprocating-piston air compressor | |
| CN208950809U (en) | A kind of cooling compressor cylinder cover component of forced water | |
| CN208934881U (en) | Cooling system of air compressor | |
| CN210317686U (en) | Cylinder cover of air compressor | |
| CN217582427U (en) | Double-layer bearing box | |
| CN201344127Y (en) | An energy saving and consumption reducing screw rod air compressor | |
| CN201129227Y (en) | Water-cooling motorcycle engine | |
| CN202165245U (en) | Exhaust and silencing structure for refrigerator compressor | |
| CN215566491U (en) | Air compressor cylinder cover | |
| CN204846068U (en) | Heat radiator for automobile engine cabin | |
| CN2908817Y (en) | Cylinder head of diesel engine | |
| CN203131021U (en) | Intake-tube gasket | |
| CN108953120A (en) | A kind of cooling compressor cylinder cover component of forced water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |