CN205117661U - Integral type thermosetting resin piston - Google Patents
Integral type thermosetting resin piston Download PDFInfo
- Publication number
- CN205117661U CN205117661U CN201520890252.6U CN201520890252U CN205117661U CN 205117661 U CN205117661 U CN 205117661U CN 201520890252 U CN201520890252 U CN 201520890252U CN 205117661 U CN205117661 U CN 205117661U
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- China
- Prior art keywords
- piston
- thermosetting resin
- integral type
- wearing piece
- high temperature
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a piston aims at providing an integral type thermosetting resin piston, and its technical scheme main points are: including the piston only, the piston only includes the piston crown, the piston crown cover is equipped with the piston ring, the piston only is made by high temperature resistant thermosetting resin, adopts high temperature resistant thermosetting resin, and it has high temperature resistantly, and coefficient of expansion is little, environmental protection and eco -power performance.
Description
Technical field
The utility model relates to piston field, and more particularly, it relates to a kind of integral type thermosetting resin piston.
Background technique
Domestic existing oilless air compressor is inner without oily piston, and conventional has leather cup type, dressing type and jet printing type three kinds of structures, first, leather cup type piston is conventional in current low pressure air compressor, but this structure piston, wear resistance is poor, working life is short, and the air pressure of its inside is low; Secondly dressing type piston is generally using at present both at home and abroad, and hanging easily appears in this type of structure in air compressor work, the unfavorable phenomenon of sintering etc., thus directly affects air compressor working life; Again, relative to the above two, what technology was relatively advanced will count jet printing type piston, such piston such as application number is a kind of Wear-resitsting pistons disclosed in the Chinese patent of 201420242394.7, but wherein also there is more shortcoming: such as jet printing type piston its just face spray easily comes off, processing technology relative complex, its size be difficult to control, all can produce risk to the use of air compressor.
Therefore it is good to be badly in need of a kind of wear resistance, and high temperature resistant, and expansion coefficient is little, the piston of environmental protection and economy type.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of integral type thermosetting resin piston, and it has high temperature resistant, and expansion coefficient is little, environmental protection and Eco-power performance.
For achieving the above object, the utility model provides following technological scheme: a kind of integral type thermosetting resin piston, and comprise piston only, described piston only comprises piston crown, described piston crown is arranged with piston ring, and described piston only is made up of high temperature resistant thermosetting resin.
Preferably, described high temperature resistant thermosetting resin is PEEK thermosetting resin.
Preferably, described high temperature resistant thermosetting resin is PPS thermosetting resin.
Preferably, described high temperature resistant thermosetting resin is polysulfone resin.
Preferably, described piston only outer surface is coated with wearing piece.
Preferably, described wearing piece is made up of polytetrafluoroethylmaterial material.
Preferably, described piston only comprises piston skirt, and described wearing piece is glued at piston skirt.
Preferably, described wearing piece is annular lamina body structure, and this wearing piece is an open loop structure, and described wearing piece is provided with two connecting end portion.
Preferably, two connecting end portion are respectively equipped with the protuberance and recess that extend along piston only circumferential direction, described protuberance is embedded in recess.
Compared with prior art, the beneficial effects of the utility model are:
From material property analysis: piston only is become by high temperature resistant thermosetting resin-made, and thermosetting resin produces chemical change, hardened forming gradually after referring to resin heating, then be heated and also do not soften, a kind of resin that can not dissolve, it has high temperature resistant, wear-resistant and that intensity is high feature;
From Structural Performance Analysis: piston main body is given up prior art completely and adopted casting of metals, and adopt high temperature resistant thermosetting resin-made to become, its structure is simple, is convenient to processing, produces such piston main body convenient, production capacity and manufacturing efficiency significantly promote, and convenient transportation, surface, without the need to through other process, can directly use, reduce energy loss, reach the object of economic environmental protection;
Analyze from usability: the first, adopt this material, whole piston only heat conduction speed is lower, thus extends the working life of connecting rod and needle roller; The second, high wear resistance and heat-resisting quantity, in air compressor work, can effectively prevent it from occurring occurring between air compressor cylinder body killing and the problem such as carbon distribution; 3rd, its expansion coefficient is little, there will not be and produces extruding force because expanding with heat and contract with cold phenomenon to cylinder body, and then avoid producing excessive extruding force between piston only and cylinder body; 4th, do not react between the piston only of this material and water, other gases, there is good corrosion resistance and the high advantage of stability in use.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of the utility model embodiment;
Fig. 2 is the partial sectional view of the utility model embodiment;
Fig. 3 is A portion enlarged view in Fig. 2.
Reference character: 1, piston only; 2, piston skirt; 3, wearing piece; 4, connecting end portion; 5, protuberance; 6, recess; 7, piston crown; 8, piston ring.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearly, a kind of integral type thermosetting resin of the utility model piston being done describe clearly and completely further below with reference to accompanying drawings.Obviously, described embodiment is section Example of the present utility model, instead of whole embodiments.Based on described embodiment of the present utility model, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, belongs to the scope of the utility model protection.
Shown in Figure 1, the shape of this piston only 1 and the piston-shaped consistent of prior art, piston only 1 includes piston crown 7, piston crown 7 is provided with at least one annular caulking groove, all arranges piston ring 8 in each annular caulking groove.
Enter formula piston in this piston only 1 can apply to, namely the piston head of this piston only 1 is provided with the vent arranged along piston only 1 axial direction, and at the aperture place of vent, lid establishes valve block, enters the object of formula air inlet in realization.
The shape of this piston only 1 and the piston-shaped consistent of prior art, piston only 1 includes piston crown 7, piston crown 7 is provided with at least one annular caulking groove, all arranges piston ring 8 in each annular caulking groove.
Enter formula piston in this piston only 1 can apply to, namely the piston head of this piston only 1 is provided with the vent arranged along piston only 1 axial direction, and at the aperture place of vent, lid establishes valve block, enters the object of formula air inlet in realization.
Shown in Fig. 1 and Fig. 2, this piston only 1 is made up of high temperature resistant thermosetting resin, thermosetting resin produces chemical change after referring to resin heating, hardened forming gradually, be heated again and also do not soften, a kind of resin that can not dissolve, its thermostability usually can between 200 DEG C ~-250 DEG C, it is in the oilless air compressor at 150 DEG C that the phenolic piston that this material is made can be applicable to normal working temperature completely, moreover, the piston only 1 that thermoset resin material is made, from Structural Performance Analysis: piston main body 1 is given up prior art completely and adopted casting of metals, and adopt high temperature resistant thermosetting resin-made to become, its structure is simple, be convenient to processing, produce such piston main body convenient, production capacity and manufacturing efficiency significantly promote, and convenient transportation, surface is without the need to processing through other, can directly use, reduce energy loss, reach the object of economic environmental protection, analyze from usability: the first, adopt this material, whole piston only 1 heat conduction speed is lower, thus extends the working life of connecting rod and needle roller, the second, high wear resistance and heat-resisting quantity, in air compressor work, can effectively prevent it from occurring occurring between air compressor cylinder body killing and the problem such as carbon distribution, 3rd, its expansion coefficient is little, there will not be and produces extruding force because expanding with heat and contract with cold phenomenon to cylinder body, and then avoid producing excessive extruding force between piston only 1 and cylinder body, 4th, do not react between the piston only 1 of this material and water, other gases, there is good corrosion resistance and the high advantage of stability in use.
High temperature resistant thermosetting resin can select in llowing group of materials wherein one or more:
(1) PEEK thermosetting resin, wherein can select the resin material of the PEEK trades mark such as 450GL30, LFL4036, these resin properties be high temperature resistant, rigidity and intensity good, generally be applied to mechanical electric, automobile, chemical field, the temperature of use especially up to more than 250 degree, can meet the using state of oilless air compressor completely.
(2) PPS thermosetting resin, be called for short polyphenylene sulfide, full name is polyphenylene sulfide, the high rigid white powder polymer of crystal type (degree of crystallinity 55%-65%), heat resistance high (continuous serviceability temperature reaches 240 degree), mechanical strength, rigidity, flame retardancy, chemical proofing, the resin that electrical characteristic, dimensional stability are all excellent is wear-resisting, creep resistance is excellent, flame retarding excellent (reaching UL94V-0), still keeps good electrical property under high temperature, high humidity.
(3) polysulfone resin, polysulfones is containing the thermoplastic resin of alkyl-SO2-alkyl chain link in molecular backbone, hardness and high, nontoxic, the heat-resisting winter hardiness ageing resistance of impact strength good, and have from breath property, can under-100-175 degree Long-Time Service; The corrosion of inorganic acid resistance alkali salt, makes this resinoid effectively can meet the demand of actual air compressor inside use.
Piston only 1 outer surface is coated with wearing piece 3, and wearing piece 3 solves the difficult problem affecting pistons work performance because piston ring 8 wear resistance is unstable, extends the working life of piston; Wearing piece 3 is made up of polytetrafluoroethylmaterial material, take into account the problem of the fabricating cost of wearing piece 3 too, it is made into instinct and is effectively reduced, in addition, teflon is the material that in known solid material, friction factor is minimum, be made into the wearing piece 3 on piston and utilize the characteristic that its friction factor is low, wearing piece 3 can produce the effect of selflubricating with the casing wall of piston cylinder, reduces wearing and tearing and reduces noise.
Piston only 1 comprises piston skirt 2, wearing piece 3 is glued at piston skirt 2, binder between wearing piece 3 and piston skirt 2 selects plastics glue, AB glue can be selected in plastics glue, plastics glue is mainly used in the bonding to the material such as PP plastics, PVC plastic, ABS plastic, PE, PC, wearing piece 3 can the motion guide of effective jigger lifting piston, and then improves the operating accuracy of piston.
Wearing piece 3 is annular lamina body structure, this wearing piece 3 is an open loop structure, specifically, wearing piece 3 is ring and is provided with an opening above, wearing piece 3 is provided with two connecting end portion 4, adopts open loop structure, in installation process, make the internal diameter size of wearing piece 3 can produce floating in a big way, convenient to install; The annular wear part 3 that teflon is made has stronger recovery, when wearing piece 3 and piston only 1 fasten mutually, can reply rapidly, realizes with piston only 1 outer side wall bonded to each other.
Consider that piston movement direction is consistent with the axial direction of piston only 1, if two connecting end portion 4 surface of contact being positioned at wearing piece 3 opening are straight line type, then may cause internal piston appearance gas leakage situation slightly, for solving this problem, two connecting end portion 4 are respectively equipped with the protuberance 5 and recess 6 that extend along piston only 1 circumferential direction, described protuberance 5 is embedded in recess 6, the Line of contact between two connecting end portion 4 is made to produce larger tortuosity, and this wearing piece 3 is in piston movement process, can produce with piston cylinder casing wall and frequently rub, and the opening of wearing piece 3 is the most easily by frictional force effect, the position be separated with piston main body, adopt the mode of recess 6 and protuberance 5 tabling, the effect that two end part produce axial fastening power can be reached, promote the stability in use of wearing piece 3.
The above is only exemplary embodiment of the present utility model, but not for limiting protection domain of the present utility model, protection domain of the present utility model is determined by appended claim.
Claims (9)
1. an integral type thermosetting resin piston, comprises piston only, and described piston only comprises piston crown, and described piston crown is arranged with piston ring, it is characterized in that: described piston only is made up of high temperature resistant thermosetting resin.
2. a kind of integral type thermosetting resin piston according to claim 1, is characterized in that: described high temperature resistant thermosetting resin is PEEK thermosetting resin.
3. a kind of integral type thermosetting resin piston according to claim 1, is characterized in that: described high temperature resistant thermosetting resin is PPS thermosetting resin.
4. a kind of integral type thermosetting resin piston according to claim 1, is characterized in that: described high temperature resistant thermosetting resin is polysulfone resin.
5. a kind of integral type thermosetting resin piston according to claim 1 or 2 or 3 or 4, is characterized in that: described piston only outer surface is coated with wearing piece.
6. a kind of integral type thermosetting resin piston according to claim 5, is characterized in that: described wearing piece is made up of polytetrafluoroethylmaterial material.
7. a kind of integral type thermosetting resin piston according to claim 6, it is characterized in that: described piston only comprises piston skirt, described wearing piece is glued at piston skirt.
8. a kind of integral type thermosetting resin piston according to claim 7, it is characterized in that: described wearing piece is annular lamina body structure, this wearing piece is an open loop structure, and described wearing piece is provided with two connecting end portion.
9. a kind of integral type thermosetting resin piston according to claim 8, is characterized in that: two connecting end portion are respectively equipped with the protuberance and recess that extend along piston only circumferential direction, described protuberance is embedded in recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520890252.6U CN205117661U (en) | 2015-11-10 | 2015-11-10 | Integral type thermosetting resin piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520890252.6U CN205117661U (en) | 2015-11-10 | 2015-11-10 | Integral type thermosetting resin piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205117661U true CN205117661U (en) | 2016-03-30 |
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ID=55573276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520890252.6U Expired - Fee Related CN205117661U (en) | 2015-11-10 | 2015-11-10 | Integral type thermosetting resin piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205117661U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499610A (en) * | 2016-10-21 | 2017-03-15 | 曲阜市海华高科技有限公司 | A kind of new cladding oil-free self lubrication piston and the manufacture method of supporting piston ring |
| CN108252895A (en) * | 2018-02-07 | 2018-07-06 | 泉州市华德机电设备有限公司 | A kind of four cylinder oil-free direct connection air compressor machines |
-
2015
- 2015-11-10 CN CN201520890252.6U patent/CN205117661U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499610A (en) * | 2016-10-21 | 2017-03-15 | 曲阜市海华高科技有限公司 | A kind of new cladding oil-free self lubrication piston and the manufacture method of supporting piston ring |
| CN106499610B (en) * | 2016-10-21 | 2018-11-20 | 曲阜市海华高科技有限公司 | A kind of production method of novel cladding oil-free self lubrication piston and mating piston ring |
| CN108252895A (en) * | 2018-02-07 | 2018-07-06 | 泉州市华德机电设备有限公司 | A kind of four cylinder oil-free direct connection air compressor machines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20161110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |