CN207879557U - Automobile air conditioner compressor piston and automobile air conditioner compressor - Google Patents
Automobile air conditioner compressor piston and automobile air conditioner compressor Download PDFInfo
- Publication number
- CN207879557U CN207879557U CN201820208615.7U CN201820208615U CN207879557U CN 207879557 U CN207879557 U CN 207879557U CN 201820208615 U CN201820208615 U CN 201820208615U CN 207879557 U CN207879557 U CN 207879557U
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- groove
- air conditioner
- piston
- automobile air
- conditioner compressor
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Abstract
The utility model is related to technical field of automobile accessories, more particularly, to a kind of automobile air conditioner compressor piston and automobile air conditioner compressor.Automobile air conditioner compressor piston, including piston cylinder and crawler shoe hemisphere；One end of piston cylinder is provided with piston ball seat, crawler shoe hemisphere includes integrally formed spherical crown portion and cake portion, the junction in spherical crown portion and cake portion is provided with fillet, and spherical crown portion is rotatablely connected with piston ball seat, and the outer surface in spherical crown portion is matched with the inner surface of piston ball seat；Spherical crown portion is provided with the first groove；For being connect with swash plate, the lower surface being connected with swash plate in cake portion is provided with the second groove in cake portion.Automobile air conditioner compressor piston provided by the utility model can be more smooth when moving back and forth, and is effectively prevented from and stuck phenomenon occurs, not easy to wear, extends service life.
Description
Technical field
The utility model is related to technical field of automobile accessories, more particularly, to a kind of automobile air conditioner compressor piston and automobile
Compressor of air conditioner.
Background technology
With the development of automobile manufacture industry, the research of automobile air conditioning technology is getting faster.Automobile air conditioner compressor is vapour
The heart of vehicle air-conditioning refrigeration system plays a part of compression and conveying refrigerant vapour.
According to the difference of operation principle, compressor of air conditioner can be divided into fixed displacement compressor and variable compressor.
According to the difference of working method, compressor can be generally divided into reciprocating and rotary, common reciprocating compression
Machine has crankshaft connecting rod type and axial-piston, common rotary compressor to have orbiting vane and vortex.
Automobile air conditioner compressor generally axially piston type uses swash plate rotation piston to be compressed, swash plate high speed is revolved
Turn, the processes such as compression air-breathing can be carried out to gas in rotary work, needs good exhaust and sealing valve plate component at this time.
Piston is component important in compressor of air conditioner, and in existing piston, the contact area of crawler shoe hemisphere and ball seat is small, and lubricity
Difference is susceptible to stuck phenomenon, serious wear leads to the reduced service life of compressor when moving back and forth.
Utility model content
The purpose of this utility model is to provide a kind of automobile air conditioner compressor pistons, existing in the prior art to solve
When moving back and forth, it is susceptible to stuck phenomenon, and the technical issues of serious wear.
The purpose of this utility model, which also resides in, provides a kind of automobile air conditioner compressor, with solve it is existing in the prior art
When reciprocating motion, it is susceptible to stuck phenomenon, and the technical issues of serious wear.
Based on above-mentioned first purpose, the utility model provides a kind of automobile air conditioner compressor piston, including piston cylinder
With crawler shoe hemisphere；One end of the piston cylinder is provided with piston ball seat, and the crawler shoe hemisphere includes integrally formed spherical crown portion
With cake portion, the junction in the spherical crown portion and the cake portion is provided with fillet, and the spherical crown portion turns with the piston ball seat
Dynamic connection, and the outer surface in the spherical crown portion is matched with the inner surface of the piston ball seat；The spherical crown portion is provided with first
Groove；For being connect with swash plate, the lower surface being connected with the swash plate in the cake portion is provided with second in the cake portion
Groove.
Further, the slot bottom of the slot bottom of first groove and second groove is rounded, first groove
Slot bottom center and second groove slot bottom center between line pass through spherical crown portion the center of circle, and should
Line is vertical with the lower surface in cake portion.
Further, the depth of first groove is 0.2~0.8mm；The depth of second groove be 0.4~
1.2mm。
Further, rounding off, the rounding off between the cell wall of first groove and the spherical surface in the spherical crown portion
Radius is 0.3mm.
Further, rounding off between the cell wall of first groove and the slot bottom of first groove, the round and smooth mistake
It is 0.3mm to cross radius.
Further, rounding off between the cell wall of second groove and the lower surface in the cake portion, the round and smooth mistake
It is 0.3mm to cross radius.
Further, rounding off between the cell wall of second groove and the slot bottom of second groove, the round and smooth mistake
It is 0.5mm to cross radius.
Further, the radius of the spherical crown portion and the fillet of the junction in the cake portion is 0.8~1.2mm.
Further, the outer surface of the piston cylinder is provided with molybdenum disulfide coating, the thickness of the molybdenum disulfide coating
Degree is 0.035~0.045mm.
Based on above-mentioned second purpose, the utility model additionally provides a kind of automobile air conditioner compressor, including the automobile
Piston of air-conditioning compressor.
Compared with prior art, the beneficial effects of the utility model are：
Automobile air conditioner compressor piston provided by the utility model, including piston cylinder and crawler shoe hemisphere；The piston boit
One end of body is provided with piston ball seat, and the crawler shoe hemisphere includes integrally formed spherical crown portion and cake portion, the spherical crown portion with
The junction in the cake portion is provided with fillet, and the spherical crown portion is rotatablely connected with the piston ball seat, and the spherical crown portion
Outer surface is matched with the inner surface of the piston ball seat；The spherical crown portion is provided with the first groove；The cake portion be used for
Swash plate connects, and the lower surface being connected with the swash plate in the cake portion is provided with the second groove.
Based on the structure, automobile air conditioner compressor piston provided by the utility model can be more suitable when moving back and forth
Freely, it is effectively prevented from and stuck phenomenon occurs, it is not easy to wear, extend service life.When implementing, drive of the piston in swash plate
Under, move back and forth, since the outer surface in spherical crown portion is matched with the inner surface of piston ball seat, increase spherical crown portion outer surface and
The contact area of the inner surface of piston ball seat, simultaneously as the cooperation of the inner surface of the outer surface in spherical crown portion and piston ball seat is non-
In order to which suction function is reduced or eliminated the first groove is arranged in spherical crown portion, such mode can be to the appearance in spherical crown portion in Chang Hao
It is exhausted between face and the inner surface of piston ball seat, crawler shoe hemisphere is prevented to be adsorbed in piston ball seat.Therefore, when crawler shoe hemisphere
, can be more smooth, stable when being rotated relative to piston ball seat, while decreasing the mill between crawler shoe hemisphere and piston ball seat
Damage, extends the service life of piston.
In addition, by the way that the second groove is arranged, enable to the movement between swash plate and crawler shoe hemisphere more smooth, stable,
Reduce the abrasion between swash plate and crawler shoe hemisphere.
More crucial is, in some embodiments, the slot bottom of the slot bottom of first groove and second groove
Rounded, the line between the center of the slot bottom of the center of the slot bottom of first groove and second groove passes through described
The center of circle in the spherical crown portion, and the line is vertical with the lower surface in cake portion.Such mode is not only convenient for producing and processing,
And make overall structure more symmetrical, and it is more steady in the process of running, it is smooth.
In some embodiments, the depth of first groove is 0.2~0.8mm；The depth of second groove is
0.4~1.2mm.
The depth of first groove is too deep, increases the time of processing, while also wasting raw material to a certain extent.
The depth of first groove is excessively shallow, then is unfavorable for being vented.
The depth of second groove is too deep, increases the time of processing, while also wasting raw material to a certain extent.
The depth of second groove is excessively shallow, then is unfavorable for being vented.
In some embodiments, rounding off between the cell wall of first groove and the spherical surface in the spherical crown portion, should
Rounding off radius is 0.2~0.5mm.Such mode can reduce between the notch edges of the first groove and piston ball seat
Abrasion so that crawler shoe hemisphere can be rotated more swimmingly.
In some embodiments, rounding off between the cell wall of first groove and the slot bottom of first groove,
The rounding off radius is 0.2~0.5mm.
In some embodiments, rounding off between the cell wall of second groove and the lower surface in the cake portion,
The rounding off radius is 0.2~0.5mm.Such mode can reduce between the notch edges of the first groove and piston ball seat
Abrasion so that crawler shoe hemisphere can be rotated more swimmingly.
In some embodiments, rounding off between the cell wall of second groove and the slot bottom of second groove,
The rounding off radius is 0.2~0.8mm.
In some embodiments, the radius of the fillet of the junction in the spherical crown portion and the cake portion be 0.8~
1.2mm.Such mode can stress concentration phenomenon, while can also prevent the junction in spherical crown portion and cake portion to piston ball
The inner surface of seat generates abrasion.
In some embodiments, the outer surface of the piston cylinder is provided with molybdenum disulfide coating, the molybdenum disulfide
The thickness of coating is 0.035~0.045mm.
Molybdenum disulfide is important kollag, especially suitable under high temperature and pressure.It also has diamagnetism, can be used as line
Property photoconductor and display p-type or N-type conductivity can semiconductor, have the function of rectification and transducing.Molybdenum disulfide also can be used
Make the catalyst of complicated dehydrogenation of hydrocarbons.
It is also known as " advanced solid oil king ".Molybdenum disulfide is changed after chemical purification by natural molybdenum concntrate powder
Molecular structure and manufactured solid powder.The black slightly band silver gray of this product color, has metallic luster, that touches has a soapy feeling, not soluble in water.
There is product good dispersion, inadherent advantage can add in various greases, forms inadherent colloidal state absolutely, can increase
The lubricity and extreme pressure property of oiling fat.Be also applied for high temperature, high pressure, high rotating speed high load capacity machine work state, extend equipment
Service life.
By the way that molybdenum disulfide coating is arranged in the outer surface of piston cylinder, can further reduce between each component
Abrasion.
Automobile air conditioner compressor provided by the utility model compresses due to the use of air conditioning for automobiles provided by the utility model
Machine piston can be more smooth when moving back and forth, and is effectively prevented from and stuck phenomenon occurs, not easy to wear, extends using the longevity
Life.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the front view for the automobile air conditioner compressor piston that the utility model embodiment one provides；
Fig. 2 is the left view for the automobile air conditioner compressor piston that the utility model embodiment one provides；
Fig. 3 is the sectional view along line A-A of Fig. 2；
Fig. 4 is the surface structure schematic diagram of the crawler shoe hemisphere in the utility model embodiment one；
Fig. 5 is the perspective view of the crawler shoe hemisphere in the utility model embodiment one；
Fig. 6 is the partial enlarged view at B in Fig. 5；
Fig. 7 is the partial enlarged view at C in Fig. 5.
Icon：101- piston cylinders；102- crawler shoe hemisphere；103- piston ball seats；104- spherical crowns portion；105- cakes portion；
The first grooves of 106-；The second grooves of 107-.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", " left side ",
The orientation or positional relationship on " right side ", "vertical", "horizontal", "inner", "outside" etc., instruction is orientation based on ... shown in the drawings or position
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, device or element are not indicated or implied the indicated
It must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.This
Outside, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply relatively heavy
The property wanted.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment one
Shown in Fig. 1 to Fig. 7, a kind of automobile air conditioner compressor piston, including piston cylinder 101 are present embodiments provided
With crawler shoe hemisphere 102；Piston cylinder 101 can be hollow, and one end of piston cylinder 101 is provided with piston ball seat 103, piston
The quantity of ball seat 103 is two, and the quantity of crawler shoe hemisphere 102 is also two, and crawler shoe hemisphere 102 includes integrally formed spherical crown portion
104 and cake portion 105, the junction in spherical crown portion 104 and cake portion 105 is provided with fillet, spherical crown portion 104 and piston ball seat 103
Rotation connection, and the outer surface in spherical crown portion 104 is matched with the inner surface of piston ball seat 103；It is recessed that spherical crown portion 104 is provided with first
Slot 106；For being connect with swash plate, the lower surface being connected with swash plate in cake portion 105 is provided with the second groove in cake portion 105
107。
Based on the structure, automobile air conditioner compressor piston provided in this embodiment can be more suitable when moving back and forth
Freely, it is effectively prevented from and stuck phenomenon occurs, it is not easy to wear, extend service life.When implementing, drive of the piston in swash plate
Under, it moves back and forth, since the outer surface in spherical crown portion 104 is matched with the inner surface of piston ball seat 103, increases spherical crown portion 104
Outer surface and piston ball seat 103 inner surface contact area, simultaneously as the outer surface in spherical crown portion 104 and piston ball seat
103 inner surface coordinates very good, and in order to which suction function is reduced or eliminated, the first groove 106 is arranged in spherical crown portion 104, this
The mode of sample can be exhausted between the outer surface and the inner surface of piston ball seat 103 in spherical crown portion 104, prevent crawler shoe hemisphere
102 are adsorbed in piston ball seat 103.It therefore, can be more suitable when crawler shoe hemisphere 102 is rotated relative to piston ball seat 103
Freely, stablize, while decreasing the abrasion between crawler shoe hemisphere 102 and piston ball seat 103, extend the service life of piston.
In addition, by be arranged the second groove 107, enable to the movement between swash plate and crawler shoe hemisphere 102 it is more smooth,
Stablize, reduces the abrasion between swash plate and crawler shoe hemisphere 102.
More crucial is, in certain embodiments, the slot bottom of the slot bottom of the first groove 106 and the second groove 107 is in
Line between the center of the slot bottom of circle, the center of the slot bottom of the first groove 106 and the second groove 107 passes through spherical crown portion 104
The center of circle, and the line is vertical with the lower surface in cake portion 105.Such mode is not only convenient for producing and processing, and makes whole
Body structure is more symmetrical, more steady in the process of running, smooth.
In certain embodiments, the shape of the notch of the first groove 106 is round, and the notch radius of the first groove 106
More than the radius of the slot bottom of the first groove 106.
In certain embodiments, the shape of the notch of the second groove 107 is round, and the notch radius of the second groove 107
More than the radius of the slot bottom of the second groove 107.
In certain embodiments, the depth D of the first groove 1061For 0.2~0.8mm；The depth D of second groove 1072For
0.4~1.2mm.
The depth D of first groove 1061It is too deep, the time of processing is increased, while also wasting original to a certain extent
Material.
The depth D of first groove 1061It crosses shallow, is then unfavorable for being vented.
The depth D of second groove 1072It is too deep, the time of processing is increased, while also wasting original to a certain extent
Material.
The depth D of second groove 1072It crosses shallow, is then unfavorable for being vented.
Preferably, the depth D of the first groove 1061For 0.4mm, the depth D of the second groove 1072For 0.8mm.
In certain embodiments, rounding off between the cell wall and the spherical surface in spherical crown portion 104 of the first groove 106, this is round and smooth
Knuckle radius R4For 0.2~0.5mm.Specifically, rounding off radius R4It can be but be not limited to 0.2mm, 0.3mm, 0.4mm
Or 0.5mm.Such mode can reduce the abrasion between the notch edges and piston ball seat 103 of the first groove 106 so that sliding
Carrying out hemisphere 102 can more swimmingly rotate.
In certain embodiments, rounding off, the circle between the cell wall of the first groove 106 and the slot bottom of the first groove 106
Sliding knuckle radius R3For 0.2~0.5mm.Specifically, rounding off radius R3Can be but be not limited to 0.2mm, 0.3mm,
0.4mm or 0.5mm.
In certain embodiments, rounding off, the circle between the cell wall and the lower surface in cake portion 105 of the second groove 107
Sliding knuckle radius R6For 0.2~0.5mm.Specifically, rounding off radius R6Can be but be not limited to 0.2mm, 0.3mm,
0.4mm or 0.5mm.Such mode can reduce the abrasion between the notch edges and piston ball seat 103 of the first groove 106,
Crawler shoe hemisphere 102 is more swimmingly rotated.
In certain embodiments, rounding off, the circle between the cell wall of the second groove 107 and the slot bottom of the second groove 107
Sliding knuckle radius R5For 0.2~0.8mm.Specifically, the rounding off radius can be but be not limited to 0.2mm, 0.3mm,
0.4mm, 0.5mm, 0.6mm, 0.7mm or 0.8mm.
In certain embodiments, the radius R in spherical crown portion 104 and the fillet of the junction in cake portion 1051For 0.8~
1.2mm.Such mode can stress concentration phenomenon, while can also prevent the junction pair in spherical crown portion 104 and cake portion 105
The inner surface of piston ball seat 103 generates abrasion.
In certain embodiments, rounding off between the side and bottom surface in cake portion 105, rounding off radius R2For
0.8~1.2mm.
In certain embodiments, the outer surface of piston cylinder 101 is provided with molybdenum disulfide coating, the thickness of molybdenum disulfide coating
Degree is 0.035~0.045mm.
Molybdenum disulfide is important kollag, especially suitable under high temperature and pressure.It also has diamagnetism, can be used as line
Property photoconductor and display p-type or N-type conductivity can semiconductor, have the function of rectification and transducing.Molybdenum disulfide also can be used
Make the catalyst of complicated dehydrogenation of hydrocarbons.
It is also known as " advanced solid oil king ".Molybdenum disulfide is changed after chemical purification by natural molybdenum concntrate powder
Molecular structure and manufactured solid powder.The black slightly band silver gray of this product color, has metallic luster, that touches has a soapy feeling, not soluble in water.
There is product good dispersion, inadherent advantage can add in various greases, forms inadherent colloidal state absolutely, can increase
The lubricity and extreme pressure property of oiling fat.Be also applied for high temperature, high pressure, high rotating speed high load capacity machine work state, extend equipment
Service life.
By the outer surface of piston cylinder 101 be arranged molybdenum disulfide coating, can further reduce each component it
Between abrasion.
It should be noted that being provided with the out of roundness of the piston cylinder 101 of molybdenum disulfide coating and cylindricity is
0.005mm。
Embodiment two
A kind of automobile air conditioner compressor is present embodiments provided, including the air conditioning for automobiles that the utility model embodiment one provides
Compressor piston.Automobile air conditioner compressor provided in this embodiment, further includes swash plate, and swash plate is connect with cake portion 105.
Automobile air conditioner compressor provided in this embodiment, the automobile provided due to the use of the utility model embodiment one are empty
Compressor piston is adjusted, can be more smooth when moving back and forth, it is effectively prevented from and stuck phenomenon occurs, it is not easy to wear, it extends
Service life.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of automobile air conditioner compressor piston, which is characterized in that including piston cylinder and crawler shoe hemisphere；The piston cylinder
One end is provided with piston ball seat, and the crawler shoe hemisphere includes integrally formed spherical crown portion and cake portion, the spherical crown portion with it is described
The junction in cake portion is provided with fillet, and the spherical crown portion is rotatablely connected with the piston ball seat, and the appearance in the spherical crown portion
Face is matched with the inner surface of the piston ball seat；The spherical crown portion is provided with the first groove；The cake portion is used for and swash plate
Connection, the lower surface being connected with the swash plate in the cake portion is provided with the second groove.
2. automobile air conditioner compressor piston according to claim 1, which is characterized in that the slot bottom of first groove and institute
The slot bottom for stating the second groove is rounded, the center of the slot bottom of the center of the slot bottom of first groove and second groove it
Between line pass through the center of circle in the spherical crown portion, and the line is vertical with the lower surface in cake portion.
3. automobile air conditioner compressor piston according to claim 1, which is characterized in that the depth of first groove is
0.2~0.8mm；The depth of second groove is 0.4~1.2mm.
4. automobile air conditioner compressor piston according to claim 1, which is characterized in that the cell wall of first groove and institute
Rounding off between the spherical surface in spherical crown portion is stated, which is 0.3mm.
5. automobile air conditioner compressor piston according to claim 1, which is characterized in that the cell wall of first groove and institute
Rounding off between the slot bottom of the first groove is stated, which is 0.3mm.
6. automobile air conditioner compressor piston according to claim 1, which is characterized in that the cell wall of second groove and institute
Rounding off between the lower surface in cake portion is stated, which is 0.3mm.
7. automobile air conditioner compressor piston according to claim 1, which is characterized in that the cell wall of second groove and institute
Rounding off between the slot bottom of the second groove is stated, which is 0.5mm.
8. automobile air conditioner compressor piston according to any one of claim 1 to 7, which is characterized in that the spherical crown portion
Radius with the fillet of the junction in the cake portion is 0.8~1.2mm.
9. automobile air conditioner compressor piston according to any one of claim 1 to 7, which is characterized in that the piston boit
The outer surface of body is provided with molybdenum disulfide coating, and the thickness of the molybdenum disulfide coating is 0.035~0.045mm.
10. a kind of automobile air conditioner compressor, which is characterized in that including air conditioning for automobiles as claimed in any one of claims 1-9 wherein
Compressor piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820208615.7U CN207879557U (en) | 2018-02-06 | 2018-02-06 | Automobile air conditioner compressor piston and automobile air conditioner compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820208615.7U CN207879557U (en) | 2018-02-06 | 2018-02-06 | Automobile air conditioner compressor piston and automobile air conditioner compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207879557U true CN207879557U (en) | 2018-09-18 |
Family
ID=63509219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820208615.7U Expired - Fee Related CN207879557U (en) | 2018-02-06 | 2018-02-06 | Automobile air conditioner compressor piston and automobile air conditioner compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207879557U (en) |
-
2018
- 2018-02-06 CN CN201820208615.7U patent/CN207879557U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Vehicle air conditioner compressor piston and vehicle air conditioner compressor Effective date of registration: 20190226 Granted publication date: 20180918 Pledgee: Ma'an Branch of Chongqing Fuling Zhongyin Fudeng Village and Town Bank Co.,Ltd. Pledgor: CHONGQING FULLSUM AUTOMOBILE ACCESSORIES CO.,LTD. Registration number: 2019500000006 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 Termination date: 20220206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |