CN106968924A - A kind of two-stage compression cylinder block and preparation method thereof - Google Patents
A kind of two-stage compression cylinder block and preparation method thereof Download PDFInfo
- Publication number
- CN106968924A CN106968924A CN201710359749.9A CN201710359749A CN106968924A CN 106968924 A CN106968924 A CN 106968924A CN 201710359749 A CN201710359749 A CN 201710359749A CN 106968924 A CN106968924 A CN 106968924A
- Authority
- CN
- China
- Prior art keywords
- pressure connection
- connection end
- high pressure
- low pressure
- cylinder body
- 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.)
- Pending
Links
Classifications
-
- 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
- F04B39/122—Cylinder block
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
-
- 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
-
- 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
- F04B39/06—Cooling; Heating; Prevention of freezing
Abstract
The invention discloses a kind of two-stage compression cylinder block, the cylinder body of integral type includes inlet end, motor side, high pressure connection end and low pressure connection end, four be specially hollow cylindrical structure, and agree with crosswise in cylinder body centre, in the insertion path of cylinder interior formation horizontally and vertically, and in four, inlet end and motor side coaxial line opposition arrangement, similarly, high pressure connection end and low pressure connection end coaxial line opposition arrangement.The present invention can realize bent axle air pump in two-stage compression of the single piston component to gas, and air carried out into four times of compressions, and cylinder block effect in sealing property more preferably, perfect heat-dissipating and is easy to make and installed.
Description
Technical field
Bent axle air pump cylinder field of the present invention, more particularly to a kind of two-stage compression cylinder block.
Background technology
Bent axle air pump is the part for realizing that air spring automobile shock is critically important, is specifically used as air spring
Air bag provides gases at high pressure, and the generation of gases at high pressure is necessarily realized by the compression of air.
The air compression compression of reciprocating realization to gas in cylinder by piston, and cylinder is to realize gas pressure
The necessary component of contracting, traditional air cylinder structure is simple, and piston is directly provided with cylinder body, and single piston directly makees reciprocal in cylinder body
Motion.
What this cylinder block was only met is that the space for providing a compression is compressed for air, is generally single straight in structure
The cylinder body connect, and to realize the big effect of its decrement, it is larger that volume can be designed, is not particularly suited for vehicle-mounted, is air spring
Air bag provides gases at high pressure, moreover, the cylinder body of traditional cylinder is only capable of meeting the first compression of gas, can not form the two of gas
Second compression, and to form gases at high pressure will could often complete by the gas compression in multiple cylinders.
The content of the invention
The present invention can realize bent axle air pump in list to overcome above-mentioned drawback there is provided a kind of two-stage compression cylinder block
Air is carried out four times of compressions, the cylinder block is in sealing property by individual piston component to the two-stage compression of gas
Effect more preferably, perfect heat-dissipating and is easy to make and installed.
To achieve the above object of the invention, the technical solution adopted by the present invention is：A kind of two-stage compression cylinder block, it is adaptable to
Bent axle air pump, includes the cylinder body 1 of integral type itself, and an inlet end 11, a motor side 12, high pressure connection are included on cylinder body 1
The low pressure connection end 14 of end 13 and one, four be hollow cylindrical structure and cross is connected to the middle part of cylinder body 1, and four closely agree with
The inner horizontal of cylinder body 1 and the vertical structure to insertion are formed, specifically, coaxially opposition is set for inlet end 11 and motor side 12, and
Coaxially opposition is set for high pressure connection end 13 and low pressure connection end 14；
Low pressure connection end 14 is identical with the internal-and external diameter of high pressure connection end 13, and the inside of low pressure connection end 2 is directly working region, and
The high pressure connection end 13 is symmetrically inwardly formed ramp 131 in its internal axis, subsequently forms service aisle 132, and works
The half of a diameter of internal diameter of high pressure connection end 13 of passage 132；
Piston component is specifically placed on the center of four connections, and wherein low-pressure piston is placed on the work in low pressure linkage section 14
Make in region, and low-pressure piston agrees with completely with the inwall of low pressure connection end 14, high pressure piston is placed in service aisle 132, and
Suit completely with service aisle 132, so that the communicating structure in cylinder body 1 has been carried out subregion by high pressure piston and low-pressure piston；
The two-stage compression cylinder block also includes fin 2, is specifically arranged in high pressure connection end 13 and the appearance of low pressure connection end 14
Face, can discharge the heat for the generation that rubbed in the course of work between piston and inwall, so as to improve the use longevity of cylinder body 1 and piston
Life；
Further, motor side 12 is provided with the external end plate 121 of motor, and for connecting motor, power, high pressure are provided for piston component
Connection end 13 connects outer side gas flow-guiding structure provided with external end plate 133 is vented so that high pressure connection end 13 forms sealing, shape
Into compression chamber, and gases at high pressure can be discharged, low pressure connection end 14 connects outside fixed base provided with external end plate 141 is sealed
Plate so that low pressure connection end 14 can be sealed, forms compression chamber；
Further, the external end plate 121 of motor and the external end plate 141 of sealing are provided with preformed groove 3, for placing O-ring seal,
So as to lift the sealing property of the cylinder body 1 of whole device in this connection；
Further, fin 2 is each perpendicular to high pressure connection end 13 and the outer surface of low pressure connection end 14 in any surface, vertical
Mould extraction is not in too big resistance during fin 2 can cause withdrawing pattern；
The preparation method of this two-stage compression cylinder block is comprised the steps of：
S1：Die sinking, is symmetrically molded along the axis of cylinder body 1 to cylinder body 1；
S2：In die casting, S1 die casting is closed in the alloy cast aluminium of mould in the molten state；
S3：Withdrawing pattern, pulls out the mould in the outside of cylinder body 1 of shaping；
S4：Lathe amendment, lathe polishing, the specially inwall of high pressure connection end 13, low pressure connection are carried out to the face of high-precision requirement
Hold the company of 14 inwalls, the joint face of the external end plate 141 of sealing, the joint face of the external end plate 133 of exhaust and the external end plate 121 of motor
Junction.
It is worth noting that, during die sinking, when axisymmetrical die sinking should be noted the selection plane of symmetry, should avoid so that mould
There is protrusion in tool so that the process of withdrawing pattern is more light.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1st, there is multiple proportion in the piston constricted zone diameter of high pressure connection end 13 and low pressure connection end 14 of the present invention, can be by air
Carry out two-stage compression.
2nd, high pressure connection end 13 and low pressure connection end 14 of the present invention coaxial line opposition arrangement, high pressure piston and low-pressure piston fortune
Be not in the motion of off-axis during dynamic, so that the frictional force of piston and inwall is small, the service life of piston is long.
3rd, there are O-ring seal effect, good seal performance, and preparation method simple in connection procedure of the present invention, using die casting
Shaping, last lathe, which is polished, causes precision high, so that the possibility for breaking down and wearing and tearing is low, and mounting means passes through connection
End face connection is installed, simple direct.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the schematic diagram of Section A-A in Fig. 1.
Wherein：1st, cylinder body；2nd, fin；3rd, preformed groove；11st, inlet end；12nd, motor side；13rd, high pressure connection end；14、
Low pressure connection end；121st, the external end plate of motor；131st, ramp；132nd, service aisle；133rd, it is vented external end plate；141st, seal outer
Boundary's end plate.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment 1：
A kind of two-stage compression cylinder block, as shown in Figure 1 and Figure 2, the cylinder body 1 of integral type include inlet end 11, motor side 12, height
Connection end 13 and low pressure connection end 14 are pressed, four be specially hollow cylindrical structure, and in crosswise in the centre contract of cylinder body 1
Close, insertion path horizontally and vertically is internally formed in cylinder body 1, and in four, inlet end 11 and the coaxial line of motor side 12 opposition
Arrangement, similarly, high pressure connection end 13 and the coaxial line of low pressure connection end 14 opposition arrangement.
Above, low pressure connection end 14 and high pressure connection end 13 are as the constricted zone of piston, both internal-and external diameter all sames,
But, diameter shows that gradual change forms ramp 131, the subsequent constant formation service aisle of diameter from inside to outside inside high pressure connection end 13
132, specifically, the half of a diameter of internal diameter of high pressure connection end 13 of service aisle 132.
It is noted that piston component is specifically placed on the center of four connections, wherein low-pressure piston is placed on
In working region in low pressure linkage section 14, and low-pressure piston agrees with completely with the inwall of low pressure connection end 14, and high pressure piston is placed
Suit completely in service aisle 132, and with service aisle 132, so that high pressure piston and low-pressure piston are by the insertion in cylinder body 1
Structure has carried out subregion.
But high pressure connection end 13 and the coaxial line of low pressure connection end 14 opposition arrangement so that high pressure piston and low-pressure piston fortune
Be not in the motion of off-axis during dynamic, because the half of a diameter of diameter of low pressure connection end 14 of service aisle 132,
In the case of operating distance identical, high pressure connection end 13 can carry out the gas of the first connection end 4 times of compressions, and pressure reaches
25MPa。
The two-stage compression cylinder block also includes fin 2, is specifically arranged in high pressure connection end 13 and low pressure connection end 14
Outer surface, can discharge the heat for the generation that rubbed in the course of work between piston and inwall, so as to improve making for cylinder body 1 and piston
Use the life-span.
To solve the external problem of the cylinder block and the sealing problem of compression chamber, motor side 12 is provided with motor external connection end
Plate 121, for connecting motor, power is provided for piston component, high pressure connection end 13 is outer provided with external end plate 133, connection is vented
Side gas flow guidance structure so that high pressure connection end 13 forms sealing, forms compression chamber, and can discharge gases at high pressure, low pressure
Substrate is fixed in connection end 14 provided with external end plate 141, connection outside is sealed so that low pressure connection end 14 can be sealed, and form pressure
Contracting chamber.
Preferred above, the external end plate 121 of motor and the external end plate 141 of sealing are provided with preformed groove 3, O-shaped for placing
Sealing ring, so as to lift the sealing property of the cylinder body 1 of whole device in this connection.
For convenience of withdrawing pattern, it is not in too big resistance to make the mould extraction during withdrawing pattern of fin 2, and fin 2 is existed
Any surface is each perpendicular to high pressure connection end 13 and the outer surface of low pressure connection end 14.
Manufacturing process and operation principle of the present invention are as follows：
The preparation method of this two-stage compression cylinder block is comprised the steps of：
S1：Die sinking, is symmetrically molded along the axis of cylinder body 1 to cylinder body 1；
S2：In die casting, S1 die casting is closed in the alloy cast aluminium of mould in the molten state；
S3：Withdrawing pattern, pulls out the mould in the outside of cylinder body 1 of shaping；
S4：Lathe amendment, lathe polishing, the specially inwall of high pressure connection end 13, low pressure connection are carried out to the face of high-precision requirement
Hold the company of 14 inwalls, the joint face of the external end plate 141 of sealing, the joint face of the external end plate 133 of exhaust and the external end plate 121 of motor
Junction.
It is worth noting that, during die sinking, when axisymmetrical die sinking should be noted the selection plane of symmetry, should avoid so that mould
There is protrusion in tool so that the process of withdrawing pattern is more light.
Specifically, piston component is placed on the path center of the internal run-through of cylinder body 1, low-pressure piston is arranged on low pressure company
Connect inside end 14, high pressure piston is arranged in service aisle 132, is connected while being vented external end plate 133 with gas flow guidance structure,
External end plate 133 and fixed substrate connection, the external end plate of motor and motor connection are sealed, and motor passes through song inside cylinder body 1
Arbor is connected with piston component, and the heat that cylinder body 1 is produced during piston movement has fin 2 to discharge, and is set in preformed groove 3
There is preformed groove, O-ring seal can be placed so that the air-tightness of cylinder body 1 is good.
In the course of work, gas is first advanced into the die compaction space of low pressure connection end 14 from inlet end 11, is then existed
Enter in piston component in the confined space in high pressure connection end 13, enter hothouse through gas flow guidance structure interior conduit after.
The technical concepts and features of above-mentioned embodiment only to illustrate the invention, its object is to allow be familiar with technique
People can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent transformation or modification that Spirit Essence is done, should all be included within the scope of the present invention.
Claims (6)
1. a kind of two-stage compression cylinder block, it is adaptable to bent axle air pump, includes the cylinder body of integral type（1）Itself, its feature exists
In：The cylinder body（1）It is upper to include an inlet end（11）, a motor side（12）, a high pressure connection end（13）With a low pressure connection end
（14）, four are hollow cylindrical structure and are connected to the cylinder body in cross（1）Middle part, four closely agree with to form described
Cylinder body（1）Inner horizontal and the vertical structure to insertion, the inlet end（11）With the motor side（12）Coaxial opposition is set,
And the high pressure connection end（13）With the low pressure connection end（14）Coaxial opposition is set；
The low pressure connection end（14）With the high pressure connection end（13）Internal-and external diameter is identical, the low pressure connection end（2）It is internal straight
It is connected in working region, and the high pressure connection end（13）Ramp is symmetrically inwardly formed in its internal axis（131）, subsequently form
Service aisle（132）, and the service aisle（132）A diameter of high pressure connection end（13）The half of internal diameter.
2. a kind of two-stage compression cylinder block described in a kind of claim 1, it is characterised in that：Also include fin（2）, specific cloth
Put in the high pressure connection end（13）With low pressure connection end（14）Outer surface.
3. a kind of two-stage compression cylinder block according to claim 2, it is characterised in that：The motor side（12）Provided with motor
External end plate（121）, the high pressure connection end（13）Provided with the external end plate of exhaust（133）, the low pressure connection end（14）It is provided with
Seal external end plate（141）.
4. a kind of two-stage compression cylinder block according to claim 2, it is characterised in that：The external end plate of motor（121）
With the external end plate of sealing（141）It is provided with preformed groove（3）.
5. according to a kind of any one of Claims 1 to 4 two-stage compression cylinder block, it is characterised in that：The fin（2）
The high pressure connection end is each perpendicular in any surface（13）With low pressure connection end（14）Outer surface.
6. a kind of a kind of two-stage compression cylinder block described in Claims 1 to 5, its preparation method is comprised the steps of：
S1：Die sinking, along the cylinder body（1）Axis is to the cylinder body（1）Symmetrically molded；
S2：In die casting, S1 die casting is closed in the alloy cast aluminium of mould in the molten state；
S3：Withdrawing pattern, pulls out the cylinder body of shaping（1）The mould in outside；
S4：Lathe amendment, lathe polishing, specially described high pressure connection end are carried out to the face of high-precision requirement（13）Inwall, institute
State low pressure connection end（14）Inwall, the external end plate of the sealing（141）Joint face, the external end plate of the exhaust（133）Company
Junction and the external end plate of the motor（121）Joint face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359749.9A CN106968924A (en) | 2017-05-20 | 2017-05-20 | A kind of two-stage compression cylinder block and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359749.9A CN106968924A (en) | 2017-05-20 | 2017-05-20 | A kind of two-stage compression cylinder block and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106968924A true CN106968924A (en) | 2017-07-21 |
Family
ID=59326207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710359749.9A Pending CN106968924A (en) | 2017-05-20 | 2017-05-20 | A kind of two-stage compression cylinder block and preparation method thereof |
Country Status (1)
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| CN (1) | CN106968924A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202370778U (en) * | 2011-12-30 | 2012-08-08 | 鞍山力邦压缩机有限公司 | Totally oil-free oxygen compressor |
| CN104728115A (en) * | 2013-12-23 | 2015-06-24 | 郭粟雯 | Industrial refrigeration compressor body |
| WO2016175375A1 (en) * | 2015-04-28 | 2016-11-03 | 임주생 | Electromagnetic air compressor having parallel inverter circuit applied thereto |
| CN106150971A (en) * | 2016-07-22 | 2016-11-23 | 瑞立集团瑞安汽车零部件有限公司 | A kind of two stages of compression vehicle piston oilless air compressor |
| CN106194651A (en) * | 2016-08-31 | 2016-12-07 | 瑞立集团瑞安汽车零部件有限公司 | A kind of main air compressor machine of electronic oil-free |
| CN207064202U (en) * | 2017-05-20 | 2018-03-02 | 上乘精密科技（苏州）有限公司 | A kind of two-stage compression cylinder block |
-
2017
- 2017-05-20 CN CN201710359749.9A patent/CN106968924A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202370778U (en) * | 2011-12-30 | 2012-08-08 | 鞍山力邦压缩机有限公司 | Totally oil-free oxygen compressor |
| CN104728115A (en) * | 2013-12-23 | 2015-06-24 | 郭粟雯 | Industrial refrigeration compressor body |
| WO2016175375A1 (en) * | 2015-04-28 | 2016-11-03 | 임주생 | Electromagnetic air compressor having parallel inverter circuit applied thereto |
| CN106150971A (en) * | 2016-07-22 | 2016-11-23 | 瑞立集团瑞安汽车零部件有限公司 | A kind of two stages of compression vehicle piston oilless air compressor |
| CN106194651A (en) * | 2016-08-31 | 2016-12-07 | 瑞立集团瑞安汽车零部件有限公司 | A kind of main air compressor machine of electronic oil-free |
| CN207064202U (en) * | 2017-05-20 | 2018-03-02 | 上乘精密科技（苏州）有限公司 | A kind of two-stage compression cylinder block |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20200626 |