CN209523855U - A kind of single crank two-stage oil-less pump mechanism of qi - Google Patents
A kind of single crank two-stage oil-less pump mechanism of qi Download PDFInfo
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- CN209523855U CN209523855U CN201822176704.0U CN201822176704U CN209523855U CN 209523855 U CN209523855 U CN 209523855U CN 201822176704 U CN201822176704 U CN 201822176704U CN 209523855 U CN209523855 U CN 209523855U
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- China
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- low
- pressure piston
- link assembly
- crankshaft
- piston link
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Abstract
The utility model discloses a kind of single crank two-stage oil-less pump mechanisms of qi, it include: shell, crankshaft, low-pressure piston link assembly, high pressure piston link assembly, cooler and fan, low-pressure piston link assembly and high pressure piston link assembly pass through bearing respectively and are mounted on rotor journal, the low-pressure air that low-pressure piston link assembly is used to compress it is delivered to cooler, in the air delivery to the cylinder body of high pressure piston rod part that cooler is used to output it, the pressure-air that high pressure piston link assembly is used to compress it is exported, fan is mounted on bent the tip of the axis, the other end of crankshaft is inputted for power, fan is between cooler and shell.High and low pressure piston rod part and cooler can be cooled down simultaneously by fan, therefore relative to traditional cold mode of oil, are not only simple in structure, and cost is relatively low.
Description
Technical field
The utility model relates to pump mechanism of qi technical field, in particular to a kind of single crank two-stage oil-less pump mechanism of qi.
Background technique
Pump mechanism of qi is widely used in the fields such as industry, vehicle, pumps mechanism of qi during media collapse, can generate a large amount of
Heat, especially its compression piston spot temperature can reach 180~200 DEG C, and the temperature of the bearing portion of connecting rod can also increase, this
It is the key that influence pump mechanism of qi to work normally.
The cooling device of existing pump mechanism of qi is mostly oily cold mould formula, in increasingly stringent present of environmental requirement, how to provide one
The oil-free pump mechanism of qi of kind, is a technical problem that technical personnel in the field need to solve at present.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of environmental protection and the single crank two-stage oil-less pumps of good cooling results
Mechanism of qi.
To achieve the above object, the utility model provides the following technical solutions:
A kind of single crank two-stage oil-less pump mechanism of qi, comprising: shell, crankshaft, low-pressure piston link assembly, high pressure piston connecting rod
Component, cooler and fan, the low-pressure piston link assembly and the high pressure piston link assembly are installed by bearing respectively
On the rotor journal on the crankshaft, the low-pressure air that the low-pressure piston link assembly is used to compress it is delivered to described
Cooler, the cooler are used in the air delivery to the cylinder body of the high pressure piston link assembly that outputs it, the height
The pressure-air that pressure piston rod part is used to compress it is exported, and the fan is mounted on the bent the tip of the axis, institute
The other end for stating crankshaft is inputted for power, and the fan is between the cooler and the shell, for described cold
But device and the low-pressure piston link assembly and high pressure piston link assembly are cooled down.
Preferably, the shell is equipped with air inlet, in the cylinder body of the air inlet and the low-pressure piston link assembly
Connection enters in the cylinder body into the air of the air inlet from the side of the crankshaft around the other side.
Preferably, the cylinder body of the low-pressure piston link assembly is equipped with low-pressure admission hole and low pressure venthole, described low
It is pressed into stomata and the low pressure venthole is corresponding with the terminal surface of piston of the low-pressure piston link assembly.
Preferably, the low-pressure piston link assembly and the high pressure piston link assembly are located at the two of the crankshaft
Side.
Preferably, the chamber for installing the power intake of the crankshaft is equipped in the shell, the crankshaft moves
Power input terminal is mounted in the chamber by bearing.
Preferably, the crankshaft is equipped with clump weight.
Compared with prior art, above-mentioned technical proposal has the advantage that
A kind of single crank two-stage oil-less pump mechanism of qi provided by the utility model, comprising: shell, crankshaft, low-pressure piston connect
Bar assembly, high pressure piston link assembly, cooler and fan, low-pressure piston link assembly and high pressure piston link assembly lead to respectively
It crosses on the rotor journal that bearing is mounted on crankshaft, the low-pressure air that low-pressure piston link assembly is used to compress it is delivered to cold
But device, cooler are used in the air delivery to the cylinder body of high pressure piston rod part that outputs it, high pressure piston link assembly
Pressure-air for compressing it is exported, and fan is mounted on bent the tip of the axis, and the other end of crankshaft is inputted for power,
Fan between cooler and shell, for cooler and low-pressure piston link assembly and high pressure piston link assembly into
Row cooling.High and low pressure piston rod part and cooler can be cooled down simultaneously by fan, therefore relative to traditional oil
Cold mode, is not only simple in structure, and cost is relatively low, drives fan additionally by crankshaft, may also function as energy saving purpose.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structure of single crank two-stage oil-less pump mechanism of qi provided by a kind of specific embodiment of the utility model
Schematic diagram.
Appended drawing reference is as follows:
1 is shell, and 2 be safety valve, and 3 be cooler, and 4 be bent the tip of the axis, and 5 be fan, and 6 be low pressure connecting rod, and 7 be low pressure
Piston, 8 be low-pressure piston link assembly, and 9 be low pressure exhaust reed, and 10 be low-pressure admission reed, and 11 be air flue, and 12 be eccentric shaft
Neck, 13 be crankshaft, and 14 be shaft coupling, and 15 be air inlet, and 16 be high-pressure connecting rod, and 17 be high pressure piston, and 18 be high pressure piston connecting rod
Component, 19 be high pressure gas reed, and 20 be high pressure admission reed.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to FIG. 1, Fig. 1 is a kind of single crank two-stage oil-less pump provided by a kind of specific embodiment of the utility model
The structural schematic diagram of mechanism of qi.
A kind of single crank two-stage oil-less pump mechanism of qi provided by the utility model embodiment, comprising: shell 1, crankshaft 13, low
Press piston rod part 8, high pressure piston link assembly 18, cooler 3 and fan 5, low-pressure piston link assembly 8 and high pressure piston
Link assembly 18 is mounted on the rotor journal 12 on crankshaft 13 by bearing respectively, and wherein low-pressure piston link assembly 8 includes
Low pressure connecting rod 6 and low-pressure piston 7, low-pressure piston 7 are fixed on low pressure connecting rod 6 by pin, and low pressure connecting rod 6 is mounted on by bearing
On rotor journal 12；High pressure piston link assembly 18 includes high-pressure connecting rod 16 and high pressure piston 17, and high pressure piston 17 is solid by pin
It is scheduled on high-pressure connecting rod 16, high-pressure connecting rod 16 is mounted on rotor journal 12 by bearing；Low-pressure piston link assembly 8 is used for will
Its low-pressure air compressed is delivered to cooler 3, the air delivery that cooler 3 is used to output it to high pressure piston rod part
In 18 cylinder body, wherein safety valve 2 can be arranged on cooler 3, which is used to protect the work gas circuit of cooler 3, high
The pressure-air that pressure piston rod part 18 is used to compress it is exported, and fan 5 is mounted on the end 4 of crankshaft 13, crankshaft
13 other end is inputted for power, and fan 5 is between cooler 3 and shell 1, for connecting to cooler 3 and low-pressure piston
Bar assembly 8 and high pressure piston link assembly 18 are cooled down.It can be simultaneously to 8 He of high and low pressure piston rod part by fan 5
Cooler 3 is cooled down, therefore relative to traditional cold mode of oil, is not only simple in structure, and cost is relatively low, is particularly suitable for
The higher medicine of air degree of purity, oxygen processed industry and new energy vehicular traffic etc. drive fan 5 additionally by crankshaft 13, also
Energy saving purpose can be played.
Further, shell 1 is equipped with air inlet 15, is connected in air inlet 15 and the cylinder body of low-pressure piston link assembly 8,
Enter in cylinder body into the air of air inlet 15 from the side of crankshaft 13 around the other side.Air inlet 15 is set relative to traditional
For setting on a side wall of the cylinder, outside air can be made to cool down crankshaft 13, and then can be to the axis being mounted on crankshaft 13
It holds and is cooled down, which refers to the bearing that high-low pressure piston rod part 8 is mounted on rotor journal 12.
Further, the cylinder body of low-pressure piston link assembly 8 be equipped with low-pressure admission hole and low pressure venthole, low pressure into
Stomata and low pressure venthole are corresponding with the terminal surface of the piston of low-pressure piston link assembly 8.It is wherein settable at air inlet 15
Low-pressure admission reed 10, the settable low pressure exhaust reed 9 of exhaust ports, when low-pressure piston 7 moves down, low-pressure admission reed
10 open, and when low-pressure piston 7 moves up, low pressure exhaust reed 9 is opened；The similarly cylinder body for being slided for high pressure piston 17
On also be provided with air inlet 15 and exhaust outlet, at the air inlet 15 be equipped with high pressure admission reed 20, the exhaust ports be equipped with high pressure
Gas reed 19.After entering shell 1 due to outside air, enter cylinder body to the end of the cylinder body from low-pressure piston link assembly 8
Interior, the side wall that will certainly pass through cylinder body can make the air flowed through in air flue 11 by the spacing between control air flue 11 and cylinder body
To 11 cooling effect of cylinder body air flue.
In order to improve working efficiency, low-pressure piston link assembly 8 and high pressure piston link assembly 18 are located at crankshaft 13
Two sides.By the layout of this kind of structure, it can be achieved that the intersection work of low-pressure piston link assembly 8 and high pressure piston link assembly 18
Make, wherein it is preferred that carrying out 180 ° of arrangements.
Further, the chamber for installing the power intake of crankshaft 13, the power input of crankshaft 13 are equipped in shell 1
End is mounted in chamber by bearing.It is understood that the power intake of crankshaft 13 is located in chamber, can play mutually every
From effect, to avoid mutually having an impact, wherein elastic washer can be arranged in chamber in order to guarantee leakproofness, the elasticity
Washer is located between the end and chamber inner wall for the bearing for being used to support power intake, in addition can will input for realizing power
The shaft coupling 14 connected with the output end of motor is held to be arranged in chamber, relative to by being arranged shaft coupling 14 outside shell 1
For portion, the length of crankshaft 13 is reduced, is conducive to the intensity for improving crankshaft 13.
In order to guarantee 13 traveling comfort of crankshaft, crankshaft 13 is equipped with clump weight, and wherein clump weight is preferably placed at power
Between input terminal and rotor journal 12.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
A kind of single crank two-stage oil-less pump mechanism of qi provided by the utility model is described in detail above.Herein
Specific case is applied to be expounded the principles of the present invention and embodiment, the explanation of above example is only intended to
Help understands the method and its core concept of the utility model.It should be pointed out that coming for those skilled in the art
It says, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these change
Into in the protection scope for also falling into the utility model claims with modification.
Claims (6)
1. a kind of single crank two-stage oil-less pump mechanism of qi characterized by comprising shell, crankshaft, low-pressure piston link assembly, height
Pressure piston rod part, cooler and fan, the low-pressure piston link assembly and the high pressure piston link assembly lead to respectively
It crosses on the rotor journal that bearing is mounted on the crankshaft, the low-pressure piston link assembly is used for the low-pressure air compressed it
It is delivered to the cooler, the cylinder body of the air delivery that the cooler is used to output it to the high pressure piston link assembly
Interior, the pressure-air that the high pressure piston link assembly is used to compress it is exported, and the fan is mounted on the crankshaft
End, the other end of the crankshaft inputs for power, and the fan is used between the cooler and the shell
The cooler and the low-pressure piston link assembly and high pressure piston link assembly are cooled down.
2. single crank two-stage oil-less pump mechanism of qi according to claim 1, which is characterized in that the shell is equipped with air inlet
Mouthful, the air inlet and the cylinder body of the low-pressure piston link assembly are interior to be connected to, into the air of the air inlet from the song
The side of axis enters in the cylinder body around the other side.
3. single crank two-stage oil-less pump mechanism of qi according to claim 2, which is characterized in that the low-pressure piston link assembly
Cylinder body be equipped with low-pressure admission hole and low pressure venthole, the low-pressure admission hole and the low pressure venthole and the low pressure are living
The terminal surface for filling in the piston of link assembly is corresponding.
4. single crank two-stage oil-less pump mechanism of qi according to claim 3, which is characterized in that the low-pressure piston link assembly
The two sides of the crankshaft are located at the high pressure piston link assembly.
5. single crank two-stage oil-less pump mechanism of qi according to claim 4, which is characterized in that be equipped in the shell for pacifying
The chamber of the power intake of the crankshaft is filled, the power intake of the crankshaft is mounted in the chamber by bearing.
6. single crank two-stage oil-less pump mechanism of qi according to claim 5, which is characterized in that the crankshaft is equipped with counterweight
Block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822176704.0U CN209523855U (en) | 2018-12-24 | 2018-12-24 | A kind of single crank two-stage oil-less pump mechanism of qi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822176704.0U CN209523855U (en) | 2018-12-24 | 2018-12-24 | A kind of single crank two-stage oil-less pump mechanism of qi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209523855U true CN209523855U (en) | 2019-10-22 |
Family
ID=68227517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822176704.0U Active CN209523855U (en) | 2018-12-24 | 2018-12-24 | A kind of single crank two-stage oil-less pump mechanism of qi |
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| CN (1) | CN209523855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404249A (en) * | 2018-12-24 | 2019-03-01 | 蔡克 | A kind of single crank two-stage oil-less pump mechanism of qi |
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2018
- 2018-12-24 CN CN201822176704.0U patent/CN209523855U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404249A (en) * | 2018-12-24 | 2019-03-01 | 蔡克 | A kind of single crank two-stage oil-less pump mechanism of qi |
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