CN114754061A - Compressor connecting rod assembly - Google Patents
Compressor connecting rod assembly Download PDFInfo
- Publication number
- CN114754061A CN114754061A CN202210291489.7A CN202210291489A CN114754061A CN 114754061 A CN114754061 A CN 114754061A CN 202210291489 A CN202210291489 A CN 202210291489A CN 114754061 A CN114754061 A CN 114754061A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- polytetrafluoroethylene
- crankshaft
- rod body
- piston pin
- 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.)
- Pending
Links
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 45
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 32
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000003754 machining Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
- F16C7/02—Constructions of connecting-rods with constant length
- F16C7/023—Constructions of connecting-rods with constant length for piston engines, pumps or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0614—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part of the joint being open on two sides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/068—Special features relating to lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0695—Mounting of ball-joints, e.g. fixing them to a connecting rod
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/201—Composition of the plastic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/04—Connecting-rod bearings; Attachments thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/42—Pumps with cylinders or pistons
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compressor (AREA)
Abstract
A compressor connecting rod assembly comprises a connecting rod body, a piston pin, a piston, an eccentric shaft, a crankshaft and an intermediate connecting ball. The middle connecting ball is made of polytetrafluoroethylene, and a piston pin connecting through hole matched with the piston pin is formed in the middle connecting ball. The connecting rod body is in transmission connection with the piston pin through an intermediate connecting ball, and a second polytetrafluoroethylene part is arranged between the crankshaft and the connecting rod body. The connecting rod body can be made of common steel, the connecting rod body is indirectly connected with the crankshaft and the piston pin through a second polytetrafluoroethylene workpiece and an intermediate connecting ball made of polytetrafluoroethylene respectively, and a structure that lubricating oil is processed on a connecting body can be omitted by utilizing the self-lubricating characteristic of the polytetrafluoroethylene. The adoption of the intermediate connecting ball can greatly reduce the requirement on form and position tolerance of the related connection.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a spherical hinge structure connecting rod for a sealed reciprocating refrigerator compressor.
Background
The performance of a refrigerator compressor has a significant impact on the overall performance of the refrigerator. As shown in fig. 1, a crankshaft of a reciprocating refrigerator compressor drives a connecting rod, and the connecting rod drives a piston in the crankshaft to reciprocate, so that a compression effect is achieved. However, at present, the piston and the connection system are connected through a piston pin perpendicular to a horizontal plane shown in fig. 1, and in order to prevent abrasion of a connecting rod, the piston pin and a crankshaft connecting part, special requirements are further provided on material selection and structure of the connecting rod (for example, a lubricating oil channel is required to be machined on the connecting rod structurally), requirements on machining precision of related components are high, installation difficulty is high, and the requirements are not favorable for reducing the overall machining and manufacturing cost of the refrigerator and prolonging the service life of the refrigerator (maintenance interval time).
The chinese utility model patent document entitled "refrigerator compressor piston link assembly" with the publication number of 200820084660.2 and the publication number of CN 201180642Y discloses a patent technology: including connecting rod and the piston that links to each other with the connecting rod, characterized by: the front end of the connecting rod is made into a spheroid, a spherical tile matched with the spheroid and matched with the rear half part of the spheroid is arranged, a cavity capable of containing the spheroid of the connecting rod and matched with the front half part of the spheroid is arranged on the piston, the rear part of the cavity is radially expanded outwards to form a tile containing chamber capable of containing the spherical tile, and a connecting and fixing part capable of enabling the spherical tile to fix the piston is arranged. The invention discloses a piston connecting rod assembly of a refrigerator compressor, and aims to solve the problems that the existing refrigerators require that an included angle a between a crankshaft and a connecting rod is kept as an absolute right angle and is always kept as the right angle in the working process, so that the requirement on the machining precision of corresponding workpieces is very high, and the machining difficulty is very high (because if the machining precision of the workpieces is not enough, a certain gap exists between a piston and a cylinder body, air can enter and exit, and the efficiency of the compressor is further reduced). Further greatly improving the overall processing and manufacturing cost of the refrigerator.
The chinese utility model patent document entitled "connecting rod assembly for refrigerator compressor" with the publication number of 201821587075.4 and the publication number of CN 208982471U discloses another patent technology: one end of the rod body is provided with a shaft hole, the shaft hole is hinged with the eccentric part of the crankshaft, the other end of the rod body is provided with an opening, an outer ring of the spherical sliding bearing is assembled in the opening, an inner ring of the spherical sliding bearing is provided with a pin hole, and the pin hole is fixedly connected with the piston pin. The invention aims to prevent a piston pin from bearing periodic impact load to cause the piston pin to be easy to lose efficacy so as to reduce the failure rate of a refrigerator compressor; meanwhile, the piston pin does not need heat treatment, so that the material of the piston pin can be adjusted from alloy structural steel to carbon structural steel with lower cost; in addition, the longitudinal degree of freedom between the outer ring and the inner ring of the spherical sliding bearing is used to reduce the requirements on the verticality of two holes of the cylinder seat and the parallelism of two shafts of the crankshaft, so that eccentric wear of the piston, the piston pin and the crankshaft is avoided, the abrasion of the pin holes of the connecting rod is reduced, and the working efficiency and the reliability of the compressor are improved. The problems exist that the structure is complex, and the processing and manufacturing difficulty is high.
Disclosure of Invention
The invention mainly aims to provide a connecting rod structure for a reciprocating refrigerator compressor, which has the advantages of simple structure, low processing and manufacturing and installation difficulty and low verticality requirement of a connecting rod body and a piston pin, and solves the problems of complex structure and high processing and manufacturing cost of the connecting rod structure of the traditional refrigerator compressor.
The technical scheme adopted by the invention is as follows: a compressor connecting rod assembly comprises a connecting rod body, a piston pin, a piston, an eccentric shaft, a crankshaft and an intermediate connecting ball. The middle connecting ball is a polytetrafluoroethylene workpiece, and a piston pin connecting through hole matched with the piston pin is formed in the middle connecting ball. The connecting rod body is in transmission connection with the piston pin through an intermediate connecting ball, and a second polytetrafluoroethylene part is arranged between the crankshaft and the connecting rod body.
The connecting rod for the reciprocating refrigerator compressor is made of special material and has lubricating oil passage, and this makes it difficult to machine and high in machining cost. The connecting rod body can be manufactured by adopting low-cost common steel materials through arranging the middle connecting ball made of the polytetrafluoroethylene material with self-lubricating property and wear resistance between the connecting rod body and the piston pin and arranging the second polytetrafluoroethylene part between the connecting rod body and the crankshaft, so that the cost of the consumable materials of the connecting rod body can be reduced, the manufacturing difficulty of the consumable materials can be reduced, and the service life of the connecting rod can be prolonged. The adoption of the middle connecting ball can greatly reduce the requirement on the form and position tolerance of relevant connection, so that the included angle between the shaft A and the shaft B of the crankcase can be changed between 88.5 degrees and 91.5 degrees, the requirement on the processing precision (including the form and position tolerance) of relevant members is reduced, the processing and manufacturing cost is reduced, and the assembly difficulty is also reduced. The adoption of polytetrafluoroethylene parts on the connecting rod structure of the refrigerator compressor has not been seen before the invention. Therefore, the invention not only has novelty, but also has outstanding substantive features and remarkable progress.
Preferably, the second ptfe member is a ptfe sleeve that is coupled to the crankshaft in one of the following ways:
in the first mode, the connecting rod is fixedly connected with the crankshaft through interference fit, and is connected with the connecting rod body in a sliding manner;
the second mode comprises a clamp spring, wherein the corresponding end of the crankshaft penetrates through the second polytetrafluoroethylene part and is provided with a clamp ring groove used for installing the clamp spring so as to prevent the second polytetrafluoroethylene part from falling off the crankshaft;
in a third mode, the second polytetrafluoroethylene part is fixedly connected with the crankshaft through a set screw;
any one of the three second polytetrafluoroethylene workpieces and the crankshaft connecting mode has the characteristics of simple structure and easiness in processing and manufacturing.
Preferably, the second polytetrafluoroethylene part is a polytetrafluoroethylene coating which is plated on the crankshaft and is in sliding connection with the corresponding surface of the connecting rod body, and can also be a polytetrafluoroethylene coating which is plated on the connecting rod body and is in sliding connection with the corresponding surface of the crankshaft. This preferred scheme is favorable to reducing the needs to change processing technology when machining connecting rod body and bent axle corresponding part by a wide margin.
Preferably, the diameter of the intermediate connecting ball is larger than the distance between the upper and lower ends of the connecting rod body and the portion where the intermediate connecting ball is connected. This preferred scheme, rational in infrastructure can guarantee the reliability that middle connection ball and connecting rod body link to each other.
In summary, the connecting rod body of the present invention can be made of common steel, and the connecting rod body is indirectly connected with the crankshaft and the piston pin through the second ptfe member and the intermediate connecting ball made of ptfe respectively, and the structure of processing lubricating oil on the connecting body can be omitted by using the self-lubricating characteristic of ptfe. The adoption of the intermediate connecting ball can greatly reduce the requirement on form and position tolerance of the related connection. The connecting rod structure of the refrigerator compressor is made of polytetrafluoroethylene, so that the connecting rod structure of the refrigerator compressor is not seen before the invention. Therefore, the invention not only has novelty, but also has outstanding substantive features and remarkable progress.
Drawings
FIG. 1: the structure of the connecting rod assembly of the compressor is schematically shown;
FIG. 2 is a schematic diagram: the invention relates to a schematic structural diagram of a compressor connecting rod assembly;
in the figure: the connecting rod comprises a connecting rod body 1, a piston pin 2, a piston 3, an eccentric shaft 4, a crankshaft 5, a clamp spring groove 5.1, a middle connecting ball 6, a second polytetrafluoroethylene workpiece 7 and a clamp spring 8.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 2, the present invention includes a connecting rod body 1, a piston pin 2, a piston 3, an eccentric shaft 4, a crankshaft 5, an intermediate connecting ball 6, a second polytetrafluoroethylene part 7, and a snap spring 8. The middle connecting ball 6 is made of polytetrafluoroethylene, and a piston pin connecting through hole matched with the piston pin 2 is formed in the middle connecting ball 6. The connecting rod body 1 is in transmission connection with the piston pin 2 through an intermediate connecting ball 6. The second polytetrafluoroethylene part 7 is arranged between the crankshaft 5 and the connecting rod body 1, the second polytetrafluoroethylene part 7 is a polytetrafluoroethylene sleeve in the embodiment, the corresponding end of the crankshaft 5 penetrates through the second polytetrafluoroethylene part 7, and the penetrating part is provided with a clamp spring groove 5.1, the clamp spring 8 is connected with the clamp spring groove 5.1, so that the second polytetrafluoroethylene part 7 can be prevented from being separated from the crankshaft 5, and meanwhile, the processing and manufacturing precision and cost of the corresponding parts of the crankshaft 5 and the connecting rod body 1 can be reduced.
Preferably, the diameter of the intermediate connecting ball 6 is larger than the distance between the upper and lower ends of the connecting rod body 1 and the portion where the intermediate connecting ball 6 is connected.
The structure of the second ptfe member 7, the crankshaft 5, and the connecting rod in the first embodiment may also be changed as follows:
variation 1: the second polytetrafluoroethylene workpiece 7 is fixedly connected with the crankshaft 5 through interference fit, and is connected with the connecting rod body 1 in a sliding manner;
variation 2: the second polytetrafluoroethylene part 7 is fixedly connected with the crankshaft 5 through a set screw and is connected with the connecting rod body 1 in a sliding way;
the specific structural details of variation 1 and variation 2 are simple techniques and therefore are not described herein.
Example two:
the second embodiment is different from the first embodiment in that the second polytetrafluoroethylene member 7 is a polytetrafluoroethylene coating layer which is plated on the crankshaft 5 and is in sliding connection with the corresponding surface of the connecting rod body 1; or may be a teflon plate plated on the connecting rod body 1 and slidably connected to the corresponding surface of the crankshaft 5.
In the above embodiments, the details of the crankshaft 5 except the connection portion with the connecting rod 1 are well known in the art and are not shown or described.
The above-described embodiments are merely preferred embodiments of the present invention, and do not limit the structure and scope of the present invention. Indeed, many equivalent variations in the shapes, constructions and design objectives of the devices according to the present invention are possible. Therefore, all equivalent changes in the shapes, structures and design objectives of the present invention are intended to be covered by the present invention, and all such equivalent changes are intended to be protected by the present invention.
Claims (7)
1. A compressor connecting rod assembly comprises a connecting rod body (1), a piston pin (2), a piston (3), an eccentric shaft (4) and a crankshaft (5); the method is characterized in that: the piston rod connecting device is characterized by further comprising an intermediate connecting ball (6), wherein the intermediate connecting ball (6) is a polytetrafluoroethylene product, and a piston pin connecting through hole matched with the piston pin (2) is formed in the intermediate connecting ball (6); the connecting rod body (1) is in transmission connection with the piston pin (2) through an intermediate connecting ball (6); a second polytetrafluoroethylene part (7) is arranged between the crankshaft (5) and the connecting rod body (1).
2. The compressor link assembly of claim 1, wherein: the second polytetrafluoroethylene workpiece (7) is a polytetrafluoroethylene sleeve which is fixedly connected with the crankshaft (5) through interference fit and is connected with the connecting rod body (1) in a sliding way.
3. The compressor link assembly of claim 1, wherein: the second polytetrafluoroethylene finished piece (7) are polytetrafluoroethylene sleeves, and further comprise clamp springs (8), and the corresponding end of the crankshaft (5) penetrates through the second polytetrafluoroethylene finished piece (7) and is provided with a clamp ring groove (5.1) used for installing the clamp springs (8) to prevent the second polytetrafluoroethylene finished piece (7) from falling from the crankshaft (5) at the corresponding position.
4. The compressor link assembly of claim 1, wherein: the second polytetrafluoroethylene part (7) is a polytetrafluoroethylene sleeve, and the second polytetrafluoroethylene part (7) is fixedly connected with the crankshaft (5) through a set screw.
5. The compressor connecting rod assembly of claim 1, wherein: the second polytetrafluoroethylene part (7) is a polytetrafluoroethylene coating which is plated on the crankshaft (5) and is in sliding connection with the corresponding surface of the connecting rod body (1).
6. The compressor connecting rod assembly of claim 1, wherein: the second polytetrafluoroethylene part (7) is a polytetrafluoroethylene coating which is plated on the connecting rod body (1) and is connected with the corresponding surface of the crankshaft (5) in a sliding way.
7. The compressor connecting rod assembly of claim 1, wherein: the diameter of the middle connecting ball (6) is larger than the distance between the upper end and the lower end of the connecting part of the connecting rod body (1) and the middle connecting ball (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210291489.7A CN114754061A (en) | 2022-03-23 | 2022-03-23 | Compressor connecting rod assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210291489.7A CN114754061A (en) | 2022-03-23 | 2022-03-23 | Compressor connecting rod assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114754061A true CN114754061A (en) | 2022-07-15 |
Family
ID=82328130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210291489.7A Pending CN114754061A (en) | 2022-03-23 | 2022-03-23 | Compressor connecting rod assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114754061A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007031160A1 (en) * | 2005-09-09 | 2007-03-22 | Thyssenkrupp Automotive Ag | Bearing arrangement |
| CN101094731A (en) * | 2004-12-10 | 2007-12-26 | 马勒国际公司 | Connecting rod for a combustion engine and method for coating the plain bearing surfaces thereof |
| CN202531397U (en) * | 2012-05-02 | 2012-11-14 | 赛屋（天津）涂层技术有限公司 | Compressor plastic connecting rod |
| CN202768326U (en) * | 2012-07-12 | 2013-03-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Compression assembly and compressor comprising the same |
| CN203223460U (en) * | 2013-03-22 | 2013-10-02 | 浙江商业机械厂 | Air cylinder connecting rod of refrigeration compressor |
| CN205841472U (en) * | 2016-08-02 | 2016-12-28 | 盐城市鑫海机械有限公司 | Air-cooled gasoline engine bent axle |
| CN107109117A (en) * | 2014-11-03 | 2017-08-29 | 费德罗-莫格尔有限责任公司 | Apply polymer coating to reduce abrasion in rod surface |
-
2022
- 2022-03-23 CN CN202210291489.7A patent/CN114754061A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101094731A (en) * | 2004-12-10 | 2007-12-26 | 马勒国际公司 | Connecting rod for a combustion engine and method for coating the plain bearing surfaces thereof |
| WO2007031160A1 (en) * | 2005-09-09 | 2007-03-22 | Thyssenkrupp Automotive Ag | Bearing arrangement |
| CN202531397U (en) * | 2012-05-02 | 2012-11-14 | 赛屋（天津）涂层技术有限公司 | Compressor plastic connecting rod |
| CN202768326U (en) * | 2012-07-12 | 2013-03-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Compression assembly and compressor comprising the same |
| CN203223460U (en) * | 2013-03-22 | 2013-10-02 | 浙江商业机械厂 | Air cylinder connecting rod of refrigeration compressor |
| CN107109117A (en) * | 2014-11-03 | 2017-08-29 | 费德罗-莫格尔有限责任公司 | Apply polymer coating to reduce abrasion in rod surface |
| CN205841472U (en) * | 2016-08-02 | 2016-12-28 | 盐城市鑫海机械有限公司 | Air-cooled gasoline engine bent axle |
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