CN106014935B - A kind of inlet suction port and the interior relief arrangement of automobile air compressor - Google Patents
A kind of inlet suction port and the interior relief arrangement of automobile air compressor Download PDFInfo
- Publication number
- CN106014935B CN106014935B CN201610321908.1A CN201610321908A CN106014935B CN 106014935 B CN106014935 B CN 106014935B CN 201610321908 A CN201610321908 A CN 201610321908A CN 106014935 B CN106014935 B CN 106014935B
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- Prior art keywords
- inlet channel
- section
- piston
- air compressor
- automobile air
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/102—Adaptations or arrangements of distribution members the members being disc valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
- F04B49/03—Stopping, starting, unloading or idling control by means of valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a kind of inlet suction ports, including positioning section, exhaust section and the inlet channel for penetrating through positioning section and exhaust section, positioning section includes thread segment, and the peripheral border of thread segment is provided with external screw thread, exhaust section radially offers gas vent, and gas vent is connected with inlet channel.The invention also discloses a kind of interior relief arrangements of automobile air compressor, including the cylinder cap, valve seat inserts and seat board set gradually from top to bottom, piston hole and unloading hole are offered on seat board, the inlet of piston hole is provided with inlet suction port as described above, internal thread compatible with external screw thread is provided in piston hole, pneumatic signal access, the other end of one end connection automobile air cylinder of inlet channel are connected with feedback gas signal chamber.This invention simplifies the structures of seat board and cylinder cap, reduce manufacturing cost, shorten the response time of off-load valve block.
Description
Technical field
The invention belongs to technical field of automobile parts more particularly to the interior off-loads of a kind of inlet suction port and automobile air compressor
Device.
Background technology
Automobile brake air compressor is operated without stopping with automobile engine, therefore its great work intensity, quick abrasion, temperature
Degree is high, when especially being operated under rated operating pressure, but will increase its abrasion and power consumption, to avoid the generation of the phenomenon,
A Load Relief System can be designed on existing air compressor cylinder cover mostly, when air compressor machine reaches specified toward the blowing pressure in gas receiver
When operating pressure, by opening the Load Relief System on cylinder cap, air compressor machine is operated but cannot be inflated in gas receiver as usual, but from
Air intake duct is discharged, therefore air compressor machine is running no load, and pneumatics acc power is preferably minimized, and reduces the abrasion of air compressor machine, reduces
The temperature of air compressor machine, extends the service life of air compressor machine.
Currently, with interior unloading function air compressor machine cylinder head design as shown in Figure 1, its working principle is that：In off-load rank
The compressed air of section, system feedback passes sequentially through interface 1, channel 2, channel 3 into cavity 4, then pushes piston 5,5 band of piston
Dynamic pin 6, drives the off-load valve block 7 being connect with pin 6, off-load valve block 7 is opened, and realizes unloading function, feedback during this
The path passed through of compressed air it is longer, and in order to realize the smooth transmission of compressed air, connector 1, logical need to be opened up on cylinder head
Road 2 and channel 3, complex structural designs, cost of manufacture are very high.
It can be seen that the prior art is up for further improving.
Invention content
The present invention is to provide a kind of inlet suction port and automobile air compressor in place of avoiding above-mentioned the shortcomings of the prior art
With interior relief arrangement, the transmission path of air is shortened using the inlet suction port, shortens the response time.
The technical solution adopted by the present invention is：
A kind of inlet suction port, including the positioning section and exhaust section that are connected with each other, positioning section include thread segment, thread segment it is outer
It encloses border and is provided with external screw thread, inlet suction port further includes opening up along the axial direction of positioning section and exhaust section and penetrating through positioning section and exhaust
The inlet channel of section.
The exhaust section radially offers gas vent, and gas vent is connected with inlet channel.
The positioning section and exhaust section are integrally formed.
There are two the gas vents, and two gas vents are arranged oppositely, and two gas vents are connected with inlet channel.
The positioning section further includes outer-hexagonal head, and outer-hexagonal head is connected with thread segment.
The positioning section further includes seal section, and one end and the thread segment of seal section are connected, and the other end is connected with exhaust section, and
The outer diameter of seal section is more than the outer diameter of exhaust section.
The inlet channel is divided to two sections of settings comprising level-one inlet channel and secondary inlet channel, wherein level-one air inlet
Channel extends to the middle and back of positioning section from the head of positioning section, and secondary inlet passage end is connected to the end of level-one inlet channel
End, the other end extend to the tail portion of exhaust section, and the internal diameter of level-one inlet channel is more than the internal diameter in secondary inlet channel.
The invention also discloses a kind of interior relief arrangements of automobile air compressor, including set gradually from top to bottom cylinder cap,
Valve seat inserts and seat board are provided with unloading cavity on seat board, unloading hole are offered on unloading cavity, energy is additionally provided on seat board
It is turned on and off the off-load valve block of unloading hole and drives the valve block finger of off-load valve block swing, piston is offered on seat board
Hole is provided with the piston component for being moved with moving valve plate finger in piston hole, and piston component includes piston, and piston is dialled with valve block
Pin is connected, and feedback gas signal chamber is provided in piston hole, feedback gas signal chamber is located at the side of piston, the entrance of piston hole
Place is provided with inlet suction port as described above, and internal thread compatible with above-mentioned external screw thread, inlet channel are provided in piston hole
One end connection automobile air cylinder pneumatic signal access, the other end be connected with feedback gas signal chamber.
It is contacted for face between the piston and the end of exhaust section.
The internal diameter of the inlet channel is less than the outer diameter of piston.
By adopting the above-described technical solution, obtained by the present invention have the beneficial effect that：
1, the inlet suction port in the present invention has not only acted as the effect in sealing piston hole, but also is integrated in the prior art
The function in compressed gas channel shortens the response time of off-load valve block, simplifies the structure of seat board and cylinder cap, substantially reduces
Manufacture difficulty and cost of manufacture.
2, the present invention in piston and the tail end of inlet suction port between for plane contact, non-thread face contacts, because of piston reciprocating
Times of exercise is more, and speed is fast, if it is the contact of line face is easy that piston face is made to damage, generates aluminium skimmings, finally result in piston clamping stagnation,
Unloading function is cannot achieve, the structure design of plane contact efficiently avoids the generation of above-mentioned phenomenon, ensure that the suitable of off-load
Profit carries out.
3, the tail end of the piston in the present invention and inlet suction port is plane contact, and load stage piston is withstood by spring again,
It is equivalent to piston to seal with inlet suction port, feedback gas can not be successfully promotion piston after inlet channel entrance, to avoid this existing
The generation of elephant offers the gas vent being connected with inlet channel in the side of inlet suction port lower semisection, is conducive to feedback gas
Feedback gas signal chamber is can smoothly enter into, piston overpowers spring resistance is pushed, finger movement is driven, realizes unloading function.
Description of the drawings
Fig. 1 is the schematic diagram of cylinder head unloading-structure in the prior art.
Fig. 2 is the front view of inlet suction port in the present invention.
Fig. 3 is the axonometric drawing of inlet suction port in the present invention.
Fig. 4 is the semi-cutaway of inlet suction port in the present invention.
Fig. 5 is the structural schematic diagram of interior relief arrangement in the present invention.
Specific implementation mode
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but the present invention is not limited to
These embodiments.
As shown in Figures 1 to 5, a kind of inlet suction port, including integrally formed positioning section and exhaust section 11, positioning section include
Thread segment 9, the peripheral border of thread segment 9 are provided with external screw thread, and positioning section further includes outer-hexagonal head 8 and seal section 10, and outer six
Angle head 8 is connected with thread segment 9, and one end and the thread segment 9 of seal section 10 are connected, and the other end is connected with exhaust section 11, seal section
10 outer diameter is more than the outer diameter of exhaust section 11；Exhaust section 11 is radially opened up there are two gas vent 12, and two gas vents 12 are right
To setting；The inlet suction port further includes opening up and penetrating through positioning section and exhaust section 11 along the axial direction of positioning section and exhaust section 11
Inlet channel, two gas vents 12 are connected with inlet channel, specifically, the inlet channel is divided to two sections of settings, packet
Include level-one inlet channel 22 and secondary inlet channel 13, wherein level-one inlet channel 22 extends to positioning from the head of positioning section
The middle and back of section, the end of 13 one end of secondary inlet channel connection level-one inlet channel, the other end extend to the tail of exhaust section 11
Portion, the internal diameter of level-one inlet channel 22 are more than the internal diameter in secondary inlet channel 13.
The invention also discloses a kind of interior relief arrangements of automobile air compressor, including the cylinder cap set gradually from top to bottom
18, valve seat inserts 19 and seat board 20 symmetrically open up on seat board 20 there are two unloading cavity, offer and unload on each unloading cavity
Lotus hole, and be respectively provided on each unloading cavity there are one the off-load valve block 17 for being turned on and off unloading hole, on seat board 20 also
There are two valve block finger 16, a valve block finger 16, which corresponds to, drives an off-load valve block 17 to swing, and is opened up on seat board 20 for setting
There are two piston hole, a set of piston component for driving finger 16 to move, off-load valve block are correspondingly arranged in each piston hole
17 one end is hinged on by axis pin on seat board 20, and the other end is connected with valve block finger 16 corresponding thereto, piston component
Including piston 15, guide rod and spring 21, guide rod is connected with the tail portion of piston 15, and spring 21 is nested on guide rod, guide rod and spring
21 are arranged at the tail portion of piston hole, and piston 15 is connected with valve block finger 16, and feedback gas signal chamber 14 is provided in piston hole,
Feedback gas signal chamber 14 is located at the side on the head of piston 15, and the inlet of piston hole is provided with air inlet connecting as described above
Head is provided with internal thread compatible with above-mentioned external screw thread in piston hole, and outer-hexagonal head 8 is located at the outside of piston hole, is convenient for
The screwed in place of inlet suction port；Pneumatic signal access, the other end and the feedback of one end connection automobile air cylinder of inlet channel 13
Gas signal chamber 14 is connected, and is plane contact between the head and the end of exhaust section 11 of piston 15, and level-one, secondary inlet
The internal diameter in channel is respectively less than the outer diameter of piston 15.
The inlet suction port has not only acted as the effect in sealing piston hole, and also acts the pneumatic signal of gas receiver
Be timely transmitted to the effect of feedback gas signal chamber 14, an inlet suction port be integrated with the connector 1 being opened in Fig. 1 on cylinder cap,
The effect in the channel 2 being opened on valve seat inserts and seat board and the channel 3 being opened on seat board, not only simplifies cylinder cap
With the structure of seat board, manufacturing cost is reduced, and shortens the response time of off-load valve block 17.
The present invention operation principle approximately as：
In load stage：Off-load valve block 17 resets, and closes unloading hole, gas enters air compressor machine by air inlet, after compression
High pressure gas enter automobile pneumatic control system through exhaust outlet.
In the off-load stage：After the gas pressure in automobile pneumatic control system reaches rated operating pressure, system transmission is pneumatic
For signal to interior relief arrangement, i.e., a small amount of high pressure gas drawn by gas receiver passes through the air inlet on inlet suction port as pneumatic signal
The feedback gas signal chamber 14 to piston hole is sent in channel 13, pushes piston 15 that the active force of spring is overcome accordingly to move, piston
15 movement band moving valve plate fingers 16 move, and then off-load valve block 17 is driven to be rotated around axis pin, open unloading hole, make compressed gas
Body is discharged through unloading hole.
When high pressure gas as pneumatic signal is ended, piston 15 is promoted to reset under the action of the spring 21, and then pass through
Valve block finger 16 drives off-load valve block 17 to reset, and closes unloading hole, is then again introduced into load stage, so moves in circles.
The part that do not addressed in the present invention uses or uses for reference prior art and can be realized.
Specific embodiment described herein is only the spiritual example explanation to the present invention.Belonging to the present invention
Those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitutes, and however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (9)
1. a kind of interior relief arrangement of automobile air compressor, including the cylinder cap, valve seat inserts and the seat board that set gradually from top to bottom,
It is provided with unloading cavity on seat board, unloading hole is offered on unloading cavity, unloading hole can be turned on and off by being additionally provided on seat board
Off-load valve block and the valve block finger that drives off-load valve block to swing, offer piston hole on seat board, be provided in piston hole
Piston component for being moved with moving valve plate finger, piston component include piston, and piston is connected with valve block finger, is set in piston hole
It is equipped with feedback gas signal chamber, feedback gas signal chamber is located at the side of piston, which is characterized in that the inlet of piston hole is arranged
It includes the positioning section and exhaust section being connected with each other to have inlet suction port, the inlet suction port, and positioning section includes thread segment, thread segment
Peripheral border is provided with external screw thread, and inlet suction port further includes opening up along the axial direction of positioning section and exhaust section and penetrating through positioning section and row
The inlet channel of gas section, internal thread compatible with above-mentioned external screw thread is provided in piston hole, and one end of inlet channel connects vapour
Pneumatic signal access, the other end of vehicle gas receiver are connected with feedback gas signal chamber.
2. the interior relief arrangement of automobile air compressor according to claim 1, which is characterized in that the piston and exhaust section
It is contacted for face between end.
3. the interior relief arrangement of automobile air compressor according to claim 1, which is characterized in that the internal diameter of the inlet channel
Less than the outer diameter of piston.
4. the interior relief arrangement of automobile air compressor according to claim 1, which is characterized in that the exhaust section is radially
Gas vent is offered, gas vent is connected with inlet channel.
5. the interior relief arrangement of automobile air compressor according to claim 1, which is characterized in that the positioning section and exhaust section
It is integrally formed.
6. the interior relief arrangement of automobile air compressor according to claim 4, which is characterized in that there are two the gas vents,
Two gas vents are arranged oppositely, and two gas vents are connected with inlet channel.
7. the interior relief arrangement of automobile air compressor according to claim 1, which is characterized in that the positioning section further includes outer
Hexagon-head, outer-hexagonal head are connected with thread segment.
8. the interior relief arrangement of automobile air compressor according to claim 7, which is characterized in that the positioning section further includes close
Section is sealed, one end and the thread segment of seal section are connected, and the other end is connected with exhaust section, and the outer diameter of seal section is more than the outer of exhaust section
Diameter.
9. the interior relief arrangement of automobile air compressor according to claim 1, which is characterized in that the inlet channel is divided to two sections
Setting comprising level-one inlet channel and secondary inlet channel, wherein it is fixed that level-one inlet channel is extended to from the head of positioning section
The middle and back of position section, the end of secondary inlet passage end connection level-one inlet channel, the other end extend to the tail portion of exhaust section,
The internal diameter of level-one inlet channel is more than the internal diameter in secondary inlet channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610321908.1A CN106014935B (en) | 2016-05-13 | 2016-05-13 | A kind of inlet suction port and the interior relief arrangement of automobile air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610321908.1A CN106014935B (en) | 2016-05-13 | 2016-05-13 | A kind of inlet suction port and the interior relief arrangement of automobile air compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106014935A CN106014935A (en) | 2016-10-12 |
| CN106014935B true CN106014935B (en) | 2018-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610321908.1A Active CN106014935B (en) | 2016-05-13 | 2016-05-13 | A kind of inlet suction port and the interior relief arrangement of automobile air compressor |
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| CN (1) | CN106014935B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI727417B (en) * | 2019-09-04 | 2021-05-11 | 周文三 | Anti-spray joint structure of connection hose of vehicle air compressor |
| CN115977930A (en) * | 2023-02-28 | 2023-04-18 | 采埃孚商用车系统(青岛)有限公司 | Unloading device and air compressor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09137777A (en) * | 1995-11-15 | 1997-05-27 | Tokico Ltd | Reciprocating compressor |
| CN201992229U (en) * | 2011-04-15 | 2011-09-28 | 宁波东港紧固件制造有限公司 | Swaged hose joint |
| CN202971117U (en) * | 2012-12-27 | 2013-06-05 | 威伯科汽车控制系统（中国）有限公司 | Unloading valve for unloading load system in automobile air compressor |
| CN203533199U (en) * | 2013-10-31 | 2014-04-09 | 叶万久 | Connector for filling gas cylinder with industrial cutting and welding gas |
| CN203585628U (en) * | 2013-11-11 | 2014-05-07 | 中国航空工业集团公司沈阳发动机设计研究所 | Turbine blade cooling effect testing joint of gas turbine |
| CN203671117U (en) * | 2014-01-17 | 2014-06-25 | 安徽江淮汽车股份有限公司 | Air inlet connector assembly for compressor |
| CN105443904A (en) * | 2014-08-06 | 2016-03-30 | 许炎章 | Internal-thread pneumatic quick coupling |
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2016
- 2016-05-13 CN CN201610321908.1A patent/CN106014935B/en active Active
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| CN106014935A (en) | 2016-10-12 |
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Address after: 266510 No. 917, Weihe Road, Qingdao economic and Technological Development Zone, Shandong, China Patentee after: ZF commercial vehicle systems (Qingdao) Co.,Ltd. Address before: 266510 No. 917, Weihe Road, Qingdao economic and Technological Development Zone, Shandong, China Patentee before: Wabco (China) Co.,Ltd. |
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