CN208057363U - A kind of Piston Air Compressor piston - Google Patents
A kind of Piston Air Compressor piston Download PDFInfo
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- CN208057363U CN208057363U CN201820508001.0U CN201820508001U CN208057363U CN 208057363 U CN208057363 U CN 208057363U CN 201820508001 U CN201820508001 U CN 201820508001U CN 208057363 U CN208057363 U CN 208057363U
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- piston
- wrist pin
- air compressor
- radial perforation
- ring
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Abstract
The utility model provides a kind of Piston Air Compressor piston, belongs to air compressor machine manufacturing technology field.It solves the problems such as existing Piston Air Compressor piston wear is big, service life is short.This Piston Air Compressor piston, including piston only and wear ring, the axial cavity along piston only length direction and the radial perforation that is arranged along piston only width direction are offered inside piston only, wrist pin is provided in radial perforation, wrist pin transverse strands are set in radial perforation, and two end sides of wrist pin are respectively arranged with lubricative axle sleeve, lubricative axle sleeve is sheathed on wrist pin, its outer end face leans with radial perforation inner end wall and contacts, the transversal line both sides symmetrical above and below for being distributed in radial perforation that wear ring is radially perforated, and the wear ring positioned at both sides all has the position-limited edge towards radial perforation, piston only has the groove being caught in for wear ring end in appearance.The utility model has the advantages that thermal diffusivity is good, with long service life.
Description
Technical field
The utility model belongs to air compressor machine manufacturing technology field, is related to a kind of Piston Air Compressor, more particularly to a kind of piston
Piston used for air compressor.
Background technology
Air compressor machine is a kind of equipment to compressed gas, is that original is dynamic（Typically motor）Mechanical energy be converted into gas
The device of body pressure energy, mainly by gas path circulatory system, water passage circulation system, oil circulating system, distribution system, screen protection shield system
The compositions such as system, DC power system and DTC control systems, air compressor machine is similar with water pump structure, and air compressor machine includes mainly piston type
Air compressor machine and screw-rod air compressor.
When piston type air compressor piston reciprocating in cylinder moves right, the pressure of piston left chamber is low
In atmospheric pressure, inlet valve is opened, and in outside air suction cylinder, this process is known as compression process.When in-cylinder pressure is higher than defeated
In outgoing air conduit road after pressure p, air bleeding valve is opened.The reciprocating motion of piston is formed by motor-operated slider-crank mechanism
, the rotary motion of crank is converted to the reciprocating motion of sliding plunger.It can be seen that weight of the piston for Piston Air Compressor
The property wanted is primarily present poor air-tightness, leads to the defeated of air compressor for the problem that the piston of Piston Air Compressor on existing market
Go out kinetic energy deficiency, secondly, piston is connected directly movement in air compressor machine with bent axle, living after the operating of continuous high intensity
Filling in can aggravate with the abrasion of the junction of bent axle, and the service life of piston is caused to reduce.
Invention content
The purpose of this utility model is to be directed to the above-mentioned problems in the prior art, provides that a kind of thermal diffusivity is good, makes
With the Piston Air Compressor piston of long lifespan.
The purpose of this utility model can be realized by following technical proposal：A kind of Piston Air Compressor piston, including work
It fills in ontology and several is set to the wear ring on piston only, which is characterized in that offer edge inside the piston only
The axial cavity of piston only length direction and the radial perforation being arranged along piston only width direction, the radial perforation
It is interconnected with axial cavity, and is provided with the toggle being connected with piston only for realizing bent axle in the radial perforation
Pin, the wrist pin transverse strands are set in radial perforation, and two end sides of wrist pin are respectively arranged with lubricative axle sleeve, the profit
Slide-bar set is sheathed on wrist pin, and outer end face leans with radial perforation inner end wall and contacts, and the wear ring is radially worn
The transversal line in the hole both sides symmetrical above and below for being distributed in radial perforation, and the wear ring positioned at both sides all has towards radial perforation
Position-limited edge, the piston only have the groove being caught in for wear ring end in appearance.
The technique effect of this Piston Air Compressor piston is：Piston is one of significant components of Piston Air Compressor, this piston
It is provided with axial cavity and radial perforation on the piston only of piston used for air compressor, wrist pin is provided in radial perforation, it is bent
During exercise, wrist pin can disperse the active force of bent axle axis, be dispersed on wrist pin, and by being set to two
The lubricative axle sleeve of side reduces the abrasion of wrist pin.
In a kind of above-mentioned Piston Air Compressor piston, several rings are provided on the piston only external peripheral surface
Shape slot, the annular groove is located at the top of piston only, and is both provided with piston ring in each annular groove.It improves and lives
The leakproofness of plug during exercise, contributes to abundant compressed air.
In a kind of above-mentioned Piston Air Compressor piston, the piston ring has connection breach, and piston ring is located at
Edge at connection breach has the flange of radial extension protrusion.The design of flange can cause air pressure to reveal to avoid notch
Phenomenon.
In a kind of above-mentioned Piston Air Compressor piston, the length for being shorter in length than radial perforation of the wrist pin.
Wrist pin is completely accommodated in radial perforation, can effectively save the space occupancy of piston entirety, and avoid wrist pin both ends
It is directly exposed in environment, causes to wear.
In a kind of above-mentioned Piston Air Compressor piston, the wrist pin has hollow heat dissipation cavity, and described dissipates
Hot chamber is distributed along the length direction of wrist pin, and runs through wrist pin.Heat dissipation when wrist pin being contributed to work improves radiating efficiency
To achieve the purpose that continually and steadily to work.
In a kind of above-mentioned Piston Air Compressor piston, it is provided with fixture block between the wrist pin and position-limited edge, institute
The fixture block stated is wedge shaped, and the bigger diameter end of fixture block is matched with position-limited edge, and miner diameter end is resisted against on wrist pin.Wrist pin is limited to exist
Displacement in radial perforation, prevents wrist pin from occurring inconsistent phenomenon in the work environment, and air compressor machine is avoided to can not work normally.
Compared with prior art, axial cavity is provided on the piston only of this Piston Air Compressor piston to wear with radial
Hole is provided with wrist pin in radial perforation, and during exercise, wrist pin can disperse the active force of bent axle bent axle,
It is even to be scattered on wrist pin, and the abrasion by being set to the lubricative axle sleeve reduction wrist pin of both sides, use good with thermal diffusivity
The advantages of long lifespan.
Description of the drawings
Fig. 1 is the overall structure dismounting figure of this Piston Air Compressor piston.
Fig. 2 is the overall structure sectional view of this Piston Air Compressor piston.
In figure, 1, piston only；2, wear ring；3, axial cavity；4, radial perforation；5, wrist pin；6, lubricative axle sleeve；7,
Position-limited edge；8, groove；9, annular groove；10, piston ring；11, connection breach；12, flange；13, heat dissipation cavity；14, fixture block.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 and Figure 2, this Piston Air Compressor piston, including piston only 1 and several be set to piston sheet
Wear ring 2 on body 1 is offered along the axial cavity 3 of 1 length direction of piston only and along piston sheet inside piston only 1
The radial perforation 4 of 1 width direction of body setting, radial perforation 4 is interconnected with axial cavity 3, and is arranged in radial perforation 4 useful
In the wrist pin 5 for realizing that bent axle is connected with piston only 1,5 transverse strands of wrist pin are set in radial perforation 4, and wrist pin 5
Two end sides are respectively arranged with lubricative axle sleeve 6, and lubricative axle sleeve 6 is sheathed on wrist pin 5, outer end face and 4 inner end wall of radial perforation
Lean contact, wear ring 2 radially perforate 4 the transversal line both sides symmetrical above and below for being distributed in radial perforation 4, and be located at both sides
Wear ring 2 all have the position-limited edge 7 towards radial perforation 4, having in appearance for piston only 1 is caught in for 2 end of wear ring
Groove 8.
In order to improve the leakproofness of piston during exercise, several annular grooves are provided on 1 external peripheral surface of piston only
9, annular groove 9 is located at the top of piston only 1, and is both provided with piston ring 10 in each annular groove 9.
The phenomenon that preventing existing notch from air pressure being caused to reveal, piston ring 10 have connection breach 11, and 10, piston ring
Edge at connection breach 11 has the flange 12 of radial extension protrusion.
5 both ends of wrist pin are avoided to be directly exposed to cause to wear in environment, wrist pin 5 is shorter in length than radial perforation 4
Length.
In order to improve 5 radiating efficiency of wrist pin, wrist pin 5 has hollow heat dissipation cavity 13, and heat dissipation cavity 13 is along wrist pin 5
Length direction is distributed, and runs through wrist pin 5.
It avoiding air compressor machine from can not work normally, fixture block 14 is provided between wrist pin 5 and position-limited edge 7, fixture block 14 is wedge shaped,
And the bigger diameter end of fixture block 14 is matched with position-limited edge 7, miner diameter end is resisted against on wrist pin 5.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although piston only 1, wear ring 2, axial cavity 3, radial perforation 4, wrist pin 5, profit is used more herein
The arts such as slide-bar set 6, position-limited edge 7, groove 8, annular groove 9, piston ring 10, connection breach 11, flange 12, heat dissipation cavity 13, fixture block 14
Language, but it does not preclude the possibility of using other terms.The use of these items is only for more easily describe and explain this
The essence of utility model；It is contrary to the spirit of the present invention to interpret them as any one of the additional limitations.
Claims (6)
1. a kind of Piston Air Compressor piston, including piston only（1）And several are set to piston only（1）On it is wear-resisting
Ring（2）, which is characterized in that the piston only（1）Inside is offered along piston only（1）The axial cavity of length direction（3）
And along piston only（1）The radial perforation of width direction setting（4）, the radial perforation（4）With axial cavity（3）Mutually
Connection, and the radial perforation（4）In be provided with for realizing bent axle and piston only（1）The wrist pin being connected（5）, institute
The wrist pin stated（5）Transverse strands are set to radial perforation（4）It is interior, and wrist pin（5）Two end sides be respectively arranged with lubricative axle sleeve
（6）, the lubricative axle sleeve（6）It is sheathed on wrist pin（5）On, outer end face and radial perforation（4）Inner end wall leans contact, institute
The wear ring stated（2）Radially perforate（4）Transversal line symmetrical above and below be distributed in radial perforation（4）Both sides, and be located at both sides
Wear ring（2）It all has towards radial perforation（4）Position-limited edge（7）, the piston only（1）Have in appearance for wear-resisting
Ring（2）The groove that end is caught in（8）.
2. a kind of Piston Air Compressor piston according to claim 1, which is characterized in that the piston only（1）Outer circle
Several annular grooves are provided in perimeter surface（9）, the annular groove（9）Positioned at piston only（1）Top, and it is each described
Annular groove（9）Inside it is both provided with piston ring（10）.
3. a kind of Piston Air Compressor piston according to claim 2, which is characterized in that the piston ring（10）Have
Connection breach（11）, and piston ring（10）Positioned at connection breach（11）The edge at place has the flange of radial extension protrusion
（12）.
4. a kind of Piston Air Compressor piston according to claim 1, which is characterized in that the wrist pin（5）Length
Degree is shorter than radial perforation（4）Length.
5. a kind of Piston Air Compressor piston according to claim 1, which is characterized in that the wrist pin（5）Have
Hollow heat dissipation cavity（13）, the heat dissipation cavity（13）Along wrist pin（5）Length direction distribution, and run through wrist pin（5）.
6. a kind of Piston Air Compressor piston according to claim 1, which is characterized in that the wrist pin（5）With limit
Position side（7）Between be provided with fixture block（14）, the fixture block（14）It is wedge shaped, and fixture block（14）Bigger diameter end and position-limited edge（7）
It matches, miner diameter end is resisted against wrist pin（5）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820508001.0U CN208057363U (en) | 2018-04-11 | 2018-04-11 | A kind of Piston Air Compressor piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820508001.0U CN208057363U (en) | 2018-04-11 | 2018-04-11 | A kind of Piston Air Compressor piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057363U true CN208057363U (en) | 2018-11-06 |
Family
ID=63985770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820508001.0U Active CN208057363U (en) | 2018-04-11 | 2018-04-11 | A kind of Piston Air Compressor piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208057363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622929A (en) * | 2020-04-17 | 2020-09-04 | 加西贝拉压缩机有限公司 | Piston heat control device for refrigerator compressor |
-
2018
- 2018-04-11 CN CN201820508001.0U patent/CN208057363U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622929A (en) * | 2020-04-17 | 2020-09-04 | 加西贝拉压缩机有限公司 | Piston heat control device for refrigerator compressor |
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