CN208040798U - A kind of automobile-used low oil pressure relief arrangement - Google Patents
A kind of automobile-used low oil pressure relief arrangement Download PDFInfo
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- CN208040798U CN208040798U CN201820068908.XU CN201820068908U CN208040798U CN 208040798 U CN208040798 U CN 208040798U CN 201820068908 U CN201820068908 U CN 201820068908U CN 208040798 U CN208040798 U CN 208040798U
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- lower housing
- upper shell
- piston
- automobile
- oil pressure
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Abstract
The utility model discloses a kind of automobile-used low oil pressure relief arrangements, lower housing is fixedly connected with upper shell, lower housing is connected with the lubricating oil pipeline of air compressor machine, upper shell is connected with the exhaust outlet of air compressor machine, and upper shell is equipped with gas vent, and cavity is equipped between lower housing and upper shell, piston is arranged in cavity, it is provided with valve on piston, sealing ring is equipped between lower housing and piston, the utility model also has the advantages that：Have the function of mechanical off-load, while can also ensure that air compressor machine normal operation in a low voltage state；Features simple structure, it is small；It can ensure that air compressor machine works normally under low driving pressure, practicability is stronger.
Description
Technical field
The utility model is related to air compressor machine technical field, especially a kind of automobile-used low oil pressure relief arrangement.
Background technology
When vehicle-mounted air source electric compressor starts operation, if there are air pressures in pipeline, lead to air compressor machine difficulty in starting, it is special
It needs to increase relief arrangement.The relief arrangement of generally existing is the following two kinds currently on the market：
（1）The follow-up pipeline off-load of air compressor machine：Such unloading way, using increasing relief arrangement, such as solenoid valve on pipeline
Deng；In this way for main engine plants, cost is not only increased, but also increase control program is needed to control to adjust relief arrangement, and
It can not be seamlessly connected with air compressor machine, often result in causes air compressor machine to be difficult to start because of the non-off-load of relief arrangement；
（2）Mechanical off-load on air compressor machine ontology：Such relief arrangement can be directly by pneumatics without increasing other controls
Machine ontology is adjusted；But presently, there are unloading valve, harsher to the size requirements of pressure unloading
Above two relief arrangement cannot be satisfied use demand, not have the function of mechanical off-load still, while again
The relief arrangement of air compressor machine normal operation can be also ensured that in a low voltage state.
Application No. is 200510135242 Chinese invention patents to disclose a kind of air compressor unloading device, including valve seat
Plate, off-load piece open up an annular groove in the lower plane of the seat board, through-hole, the side of annular groove are arranged in annular groove
Face is opened an elongated slot and is communicated with annular groove, and off-load piece is arranged in annular groove, and off-load on piece is provided with identical with through-hole on seat board
Unloading hole installs a rack in seat board elongated slot, and rack is equipped with a pin hole, and rack is connected with off-load piece.The inventive structure
Simply, off-load is efficient, eliminates more cushion rubber in the prior art, therefore require not being very strictly, still to behaviour in service
The invention cannot be realized simultaneously can ensure air compressor machine normal operation in a low voltage state again while mechanical off-load.
Invention content
In view of the above-mentioned problems of the prior art, the utility model provides a kind of automobile-used low oil pressure relief arrangement, that is, have
The function of standby host tool off-load, while can ensure air compressor machine normal operation in a low voltage state again, practicability is stronger.
To achieve the goals above, the technical solution adopted in the utility model is：A kind of automobile-used low oil pressure relief arrangement, packet
Lower housing and upper shell are included, lower housing is fixedly connected with upper shell, and lower housing is connected with the lubricating oil pipeline of air compressor machine, upper shell
It is connected with the exhaust outlet of air compressor machine, upper shell is equipped with gas vent, and cavity is equipped between lower housing and upper shell, and piston setting exists
In cavity, it is provided with valve on piston, sealing ring is equipped between lower housing and piston.
Preferably, the lower housing in concave shape, lower housing and upper shell left and right settings and is fixedly connected.
Any of the above-described scheme is preferably, and the lower housing and upper shell are bolted to connection.
Any of the above-described scheme is preferably, and pipe passage is equipped in the lower housing, and lower housing passes through pipe passage and sky
The lubricating oil pipeline of press is connected.
Any of the above-described scheme is preferably, and exhaust passage is equipped in the upper shell, and gas vent is mutually interconnected with exhaust passage
It is logical.
Any of the above-described scheme is preferably, and the valve is positioned close on the piston of upper shell side.
Any of the above-described scheme is preferably, and the upper shell is in mountain font.
Any of the above-described scheme is preferably, and the valve and air admission hole are arranged concentrically.
Any of the above-described scheme is preferably, and the inner wall of the piston fitting lower housing is arranged and is realized by sealing ring close
Envelope.
Any of the above-described scheme is preferably, and the piston can move back and forth in cavity.
The utility model has the beneficial effects that：Lower housing is fixedly connected with upper shell, the lubricating oil of lower housing and air compressor machine
Pipeline is connected, and upper shell is connected with the exhaust outlet of air compressor machine, and upper shell is equipped with gas vent, is equipped between lower housing and upper shell
Cavity, piston are arranged in cavity, and valve is provided on piston, and sealing ring, the utility model are equipped between lower housing and piston
Also have the advantages that：
（1）Have the function of mechanical off-load, while can also ensure that air compressor machine normal operation in a low voltage state；
（2）Features simple structure, it is small；
（3）It can ensure that air compressor machine works normally under low driving pressure, practicability is stronger.
Description of the drawings
Fig. 1 is a structural schematic diagram of automobile-used one preferred embodiment of low oil pressure relief arrangement of the utility model；
Fig. 2 is the partial structural diagram of Fig. 1.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
To achieve the goals above, the technical solution adopted in the utility model is：
As depicted in figs. 1 and 2, a kind of automobile-used low oil pressure relief arrangement, including lower housing 2 and upper shell 5,2 He of lower housing
Upper shell 5 is fixedly connected, and lower housing 2 is connected with the lubricating oil pipeline of air compressor machine, and upper shell 5 is connected with the exhaust outlet of air compressor machine,
Upper shell 5 is equipped with gas vent 8, cavity 7 is equipped between lower housing 2 and upper shell 5, piston 3 is arranged in cavity 7, on piston 3
It is provided with valve 6, sealing ring 1 is equipped between lower housing 2 and piston 3.
The technical solution that the utility model advanced optimizes is that the inner wall that the piston 3 is bonded lower housing 2 is arranged and passes through
Sealing ring 1 realizes sealing.
The technical solution that the utility model advanced optimizes is that the piston 3 can move back and forth in cavity 7.
When air compressor machine works, oil pressure is established in air compressor lubricating oil pipeline, to make to establish oil pressure in lower housing 2, this
Oil pressure pushes piston 3 to be moved toward 5 direction of upper shell in cavity 7, and valve 6 is promoted to be contacted with upper shell 5 and reach sealing effect,
Ensure that the air pressure at air compressor exhaust port enters inside unloading valve, air compressor machine can work normally at this time；When air compressor machine not work
When making, without oil pressure in air compressor lubricating oil pipeline, if there are air pressures, this air pressure to enter upper shell at air compressor machine gas vent
At 5, piston 3 is pushed to be moved toward 2 direction of lower housing in cavity 7, valve 6 can not seal the gas vent 8 of upper shell 5, lead to gas
Body is discharged to air by the gas vent 8 of 5 both sides of upper shell.
The utility model also has the advantages that：
（1）Have the function of mechanical off-load, while can also ensure that air compressor machine normal operation in a low voltage state；
（2）Features simple structure, it is small；
（3）It can ensure that air compressor machine works normally under low driving pressure, practicability is stronger.
Embodiment 2
Unlike a kind of automobile-used low oil pressure relief arrangement and embodiment 1, including lower housing 2 and upper shell 5, lower housing 2
It is fixedly connected with upper shell 5, lower housing 2 is connected with the lubricating oil pipeline of air compressor machine, the exhaust outlet phase of upper shell 5 and air compressor machine
Even, upper shell 5 is equipped with gas vent 8, and cavity 7 is equipped between lower housing 2 and upper shell 5, and piston 3 is arranged in cavity 7, piston
It is provided with valve 6 on 3, sealing ring 1 is equipped between lower housing 2 and piston 3, the lower housing 2 is in concave shape, lower housing 2 and upper
It 5 left and right settings of shell and is fixedly connected.
Embodiment 3
Unlike a kind of automobile-used low oil pressure relief arrangement and embodiment 1, including lower housing 2 and upper shell 5, lower housing 2
It is fixedly connected with upper shell 5, lower housing 2 is connected with the lubricating oil pipeline of air compressor machine, the exhaust outlet phase of upper shell 5 and air compressor machine
Even, upper shell 5 is equipped with gas vent 8, and cavity 7 is equipped between lower housing 2 and upper shell 5, and piston 3 is arranged in cavity 7, piston
It is provided with valve 6 on 3, sealing ring 1 is equipped between lower housing 2 and piston 3, the lower housing 2 is in concave shape, lower housing 2 and upper
Shell 5 is fixedly connected by bolt 4.
Embodiment 4
Unlike a kind of automobile-used low oil pressure relief arrangement and embodiment 1, including lower housing 2 and upper shell 5, lower housing 2
It is fixedly connected with upper shell 5, lower housing 2 is connected with the lubricating oil pipeline of air compressor machine, the exhaust outlet phase of upper shell 5 and air compressor machine
Even, upper shell 5 is equipped with gas vent 8, and cavity 7 is equipped between lower housing 2 and upper shell 5, and piston 3 is arranged in cavity 7, piston
It is provided with valve 6 on 3, sealing ring 1 is equipped between lower housing 2 and piston 3, pipe passage 9, lower casing are equipped in the lower housing 2
Body 2 is connected by pipe passage 9 with the lubricating oil pipeline of air compressor machine.
Embodiment 5
Unlike a kind of automobile-used low oil pressure relief arrangement and embodiment 1, including lower housing 2 and upper shell 5, lower housing 2
It is fixedly connected with upper shell 5, lower housing 2 is connected with the lubricating oil pipeline of air compressor machine, the exhaust outlet phase of upper shell 5 and air compressor machine
Even, upper shell 5 is equipped with gas vent 8, and cavity 7 is equipped between lower housing 2 and upper shell 5, and piston 3 is arranged in cavity 7, piston
It is provided with valve 6 on 3, sealing ring 1 is equipped between lower housing 2 and piston 3, pipe passage 9 is equipped in the lower housing 2, it is described
Exhaust passage 10 is equipped in upper shell 5, gas vent 8 and exhaust passage 10 are interconnected.
Embodiment 6
Unlike a kind of automobile-used low oil pressure relief arrangement and embodiment 1, including lower housing 2 and upper shell 5, lower housing 2
It is fixedly connected with upper shell 5, lower housing 2 is connected with the lubricating oil pipeline of air compressor machine, the exhaust outlet phase of upper shell 5 and air compressor machine
Even, upper shell 5 is equipped with gas vent 8, and cavity 7 is equipped between lower housing 2 and upper shell 5, and piston 3 is arranged in cavity 7, piston
It is provided with valve 6 on 3, sealing ring 1 is equipped between lower housing 2 and piston 3, the valve 6 is positioned close to 5 side of upper shell
On piston 3.
Embodiment 7
Unlike a kind of automobile-used low oil pressure relief arrangement and embodiment 1, including lower housing 2 and upper shell 5, lower housing 2
It is fixedly connected with upper shell 5, lower housing 2 is connected with the lubricating oil pipeline of air compressor machine, the exhaust outlet phase of upper shell 5 and air compressor machine
Even, upper shell 5 is equipped with gas vent 8, and cavity 7 is equipped between lower housing 2 and upper shell 5, and piston 3 is arranged in cavity 7, piston
It is provided with valve 6 on 3, sealing ring 1 is equipped between lower housing 2 and piston 3, the valve 6 and air admission hole 8 are arranged concentrically.
Embodiment 8
Unlike a kind of automobile-used low oil pressure relief arrangement and embodiment 1, including lower housing 2 and upper shell 5, lower housing 2
It is fixedly connected with upper shell 5, lower housing 2 is connected with the lubricating oil pipeline of air compressor machine, the exhaust outlet phase of upper shell 5 and air compressor machine
Even, upper shell 5 is equipped with gas vent 8, and cavity 7 is equipped between lower housing 2 and upper shell 5, and piston 3 is arranged in cavity 7, piston
It is provided with valve 6 on 3, sealing ring 1 is equipped between lower housing 2 and piston 3, the upper shell 5 is in mountain font.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.
Claims (10)
1. a kind of automobile-used low oil pressure relief arrangement, which is characterized in that including lower housing（2）And upper shell（5）, lower housing（2）With
Upper shell（5）It is fixedly connected, lower housing（2）It is connected with the lubricating oil pipeline of air compressor machine, upper shell（5）With the exhaust outlet of air compressor machine
It is connected, upper shell（5）It is equipped with gas vent（8）, lower housing（2）And upper shell（5）Between be equipped with cavity（7）, piston（3）Setting
In cavity（7）It is interior, piston（3）On be provided with valve（6）, lower housing（2）With piston（3）Between be equipped with sealing ring（1）.
2. a kind of automobile-used low oil pressure relief arrangement according to claim 1, which is characterized in that the lower housing（2）In recessed
Font, lower housing（2）And upper shell（5）It left and right settings and is fixedly connected.
3. a kind of automobile-used low oil pressure relief arrangement according to claim 2, which is characterized in that the lower housing（2）With it is upper
Shell（5）Pass through bolt（4）It is fixedly connected.
4. a kind of automobile-used low oil pressure relief arrangement according to claim 3, which is characterized in that the lower housing（2）Inside set
There is pipe passage（9）, lower housing（2）Pass through pipe passage（9）It is connected with the lubricating oil pipeline of air compressor machine.
5. a kind of automobile-used low oil pressure relief arrangement according to claim 1, which is characterized in that the upper shell（5）Inside set
There is exhaust passage（10）, gas vent（8）And exhaust passage（10）It is interconnected.
6. a kind of automobile-used low oil pressure relief arrangement according to claim 1, which is characterized in that the valve（6）Setting exists
Close to upper shell（5）The piston of side（3）On.
7. a kind of automobile-used low oil pressure relief arrangement according to claim 1, which is characterized in that the upper shell（5）In mountain
Font.
8. a kind of automobile-used low oil pressure relief arrangement according to claim 1, which is characterized in that the valve（6）And air inlet
Hole（8）It is arranged concentrically.
9. a kind of automobile-used low oil pressure relief arrangement according to claim 1, which is characterized in that the piston（3）Under fitting
Shell（2）Inner wall be arranged and pass through sealing ring（1）Realize sealing.
10. a kind of automobile-used low oil pressure relief arrangement according to claim 9, which is characterized in that the piston（3）It can be
It is moved back and forth in cavity 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820068908.XU CN208040798U (en) | 2018-01-16 | 2018-01-16 | A kind of automobile-used low oil pressure relief arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820068908.XU CN208040798U (en) | 2018-01-16 | 2018-01-16 | A kind of automobile-used low oil pressure relief arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208040798U true CN208040798U (en) | 2018-11-02 |
Family
ID=63957151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820068908.XU Active CN208040798U (en) | 2018-01-16 | 2018-01-16 | A kind of automobile-used low oil pressure relief arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208040798U (en) |
-
2018
- 2018-01-16 CN CN201820068908.XU patent/CN208040798U/en active Active
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