CN207064202U - A kind of two-stage compression cylinder block - Google Patents
A kind of two-stage compression cylinder block Download PDFInfo
- Publication number
- CN207064202U CN207064202U CN201720564304.XU CN201720564304U CN207064202U CN 207064202 U CN207064202 U CN 207064202U CN 201720564304 U CN201720564304 U CN 201720564304U CN 207064202 U CN207064202 U CN 207064202U
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- CN
- China
- Prior art keywords
- connection end
- pressure connection
- high pressure
- low pressure
- stage compression
- 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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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
Abstract
The utility model 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 at cylinder center position, insertion path horizontally and vertically is formed in cylinder interior, 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 utility model can realize two-stage compression of the bent axle air pump in single piston component to gas, air be carried out into four times of compressions, cylinder block effect in sealing property is more preferable, perfect heat-dissipating and is easy to make and installs.
Description
Technical field
The utility model bent axle air pump cylinder field, 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 is made back and forth directly in cylinder body
Motion.
What this cylinder block only met is the space that a compression is provided for air compression, is mostly single straight in structure
The cylinder body connect, and to realize the big effect of its decrement, volume can design larger, 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 the first compression for meeting 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.
Utility model content
The utility model is to overcome above-mentioned drawback, there is provided a kind of two-stage compression cylinder block, can realize bent axle air pump
Two-stage compression in single piston component to gas, i.e., air is subjected to four times of compressions, the cylinder block is in sealing
Effect is more preferable on energy, perfect heat-dissipating and is easy to make and installs.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of two-stage compression cylinder block, is applied to
Bent axle air pump, include the cylinder body 1 of integral type itself, 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
Form the inner horizontal of cylinder body 1 and vertically to the structure of insertion, 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 14 is directly workspace
Domain, and the high pressure connection end 13 is symmetrically inwardly formed ramp 131 in its internal axis, subsequently forms service aisle 132, and
The half of a diameter of internal diameter of high pressure connection end 13 of service aisle 132；
Piston component is specifically placed on the center of four connections, and wherein low-pressure piston is placed in low pressure connection end 14
Working region in, and low-pressure piston agrees with completely with the inwall of low pressure connection end 14, and high pressure piston is placed on service aisle 132
It is interior, and suit completely with service aisle 132, so as to which high pressure piston and low-pressure piston have carried out the communicating structure in cylinder body 1 point
Area；
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, heat caused by friction between piston and inwall can be discharged in the course of work, so as to improve making for cylinder body 1 and piston
Use the life-span；
Further, motor side 12 is provided with the external end plate 121 of motor, and for connecting motor, power is provided for piston component,
High pressure connection end 13, which is provided with, is vented external end plate 133, connects outer side gas flow-guiding structure so that high pressure connection end 13 forms close
Envelope, compression chamber is formed, and gases at high pressure can be discharged, low pressure connection end 14, which is provided with, seals external end plate 141, and connection outside is solid
Determine substrate so that low pressure connection end 14 can seal, and form compression chamber；
Further, the external end plate 121 of motor and the external end plate 141 of sealing are provided with preformed groove 3, O-shaped close for placing
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, hangs down
Mould extraction is not in too big resistance during straight fin 2 can cause withdrawing pattern；
Because above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：
1st, there is multiple proportion, energy in the utility model high pressure connection end 13 and the piston constricted zone diameter of low pressure connection end 14
It is enough that air is subjected to two-stage compression.
2nd, the utility model high pressure connection end 13 and the coaxial line of low pressure connection end 14 opposition arrangement, high pressure piston and low pressure are lived
Be not in the motion of off-axis in plug motion process, so as to which the frictional force of piston and inwall is small, the service life length of piston.
3rd, there are O-ring seal effect, good seal performance in the utility model connection procedure, and preparation method is simple, uses
Die cast, last lathe, which is polished, make it that precision is high, and so as to which the possibility for breaking down with wearing is low, and mounting means passes through
Connecting end surface connection installation, it is simple direct.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
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；14th, it is low
Press connection end；121st, the external end plate of motor；131st, ramp；132nd, service aisle；133rd, it is vented external end plate；141st, sealing is extraneous
End plate.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：
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
12nd, high pressure connection end 13 and low pressure connection end 14, four be specially hollow cylindrical structure, and in crosswise in the central part of cylinder body 1
Position is agreed with, and 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, the constricted zone of low pressure connection end 14 and high pressure connection end 13 as 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 connection end 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 as to which 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, heat caused by friction between piston and inwall can be discharged in the course of work, 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, which is provided with, is vented external end plate 133, and connection is outer
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
Connection end 14, which is provided with, seals external end plate 141, connection outside fixed substrate so that low pressure connection end 14 can seal, and form pressure
Contracting chamber.
Preferable 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.
The utility model manufacturing process and operation principle are as follows：
Piston component is placed on the path center of the internal run-through of cylinder body 1, and low-pressure piston is arranged on low pressure connection end 14
Inside, high pressure piston are arranged in service aisle 132, while are vented external end plate 133 and are connected with gas flow guidance structure, and sealing is outer
Connect end plate 133 to be connected with fixed substrate, the external end plate of motor and motor connection, and motor inside cylinder body 1 by crank axle with
Piston component connects, and the caused heat during piston movement of cylinder body 1 has fin 2 to discharge, and is provided with preformed groove 3 reserved
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.
For above-mentioned embodiment only to illustrate technical concepts and features of the present utility model, its object is to allow be familiar with this skill
The people of art can understand content of the present utility model and implement according to this, can not limit the scope of protection of the utility model with this.
All equivalent transformations done according to the utility model Spirit Essence or modification, should all cover the scope of protection of the utility model it
It is interior.
Claims (5)
- A kind of 1. two-stage compression cylinder block, suitable for the cylinder body of bent axle air pump, including 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 be formed it is described Cylinder body（1）Inner horizontal and vertically to the structure of 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（14）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.
- A kind of 2. two-stage compression cylinder block according to 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.
- A kind of 3. 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）.
- A kind of 4. two-stage compression cylinder block according to claim 3, 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 claim 2~4 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720564304.XU CN207064202U (en) | 2017-05-20 | 2017-05-20 | A kind of two-stage compression cylinder block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720564304.XU CN207064202U (en) | 2017-05-20 | 2017-05-20 | A kind of two-stage compression cylinder block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064202U true CN207064202U (en) | 2018-03-02 |
Family
ID=61504821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720564304.XU Expired - Fee Related CN207064202U (en) | 2017-05-20 | 2017-05-20 | A kind of two-stage compression cylinder block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968924A (en) * | 2017-05-20 | 2017-07-21 | 上乘精密科技（苏州）有限公司 | A kind of two-stage compression cylinder block and preparation method thereof |
-
2017
- 2017-05-20 CN CN201720564304.XU patent/CN207064202U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968924A (en) * | 2017-05-20 | 2017-07-21 | 上乘精密科技（苏州）有限公司 | A kind of two-stage compression cylinder block and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20200520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |