CN215474348U - Novel air compressor machine bent axle connecting rod suit structure - Google Patents
Novel air compressor machine bent axle connecting rod suit structure Download PDFInfo
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- CN215474348U CN215474348U CN202121974733.7U CN202121974733U CN215474348U CN 215474348 U CN215474348 U CN 215474348U CN 202121974733 U CN202121974733 U CN 202121974733U CN 215474348 U CN215474348 U CN 215474348U
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Abstract
The application provides a novel air compressor machine crankshaft connecting rod suit structure. The piston type hydraulic cylinder comprises a piston and a connecting rod, wherein the connecting rod is integrally formed, a small connecting rod head is formed at one end of the connecting rod, a large connecting rod head is formed at the other end of the connecting rod, and a pin joint hole is formed in the large connecting rod head; the piston is hinged with the small end of the connecting rod; the crankshaft comprises a main journal, a connecting rod journal, a crank throw and a front main journal which are arranged in sequence; the big end of the connecting rod penetrates through the front main journal and is sleeved on the connecting rod journal through the pin joint hole; the crankshaft is rotatable about a first axis. When the piston is used, the piston is arranged in a combustion chamber of an air compressor, and when the air compressor runs, the piston bears pressure and transmits force to the crankshaft through the connecting rod to drive the crankshaft to rotate. The connecting rod integrated into one piece sets up, has avoided because of the deformation of the connecting rod big-end hole that the bolt tightened leads to, cylindricity reduces, prevents the vice wearing and tearing aggravation of connecting rod big-end hole, has improved the life of equipment.
Description
Technical Field
The utility model discloses a novel air compressor machine bent axle connecting rod suit structure.
Background
The air compressor for the vehicle is used as an air supply device of the vehicle, and the normal operation of the air compressor is realized through the continuous reciprocating linear motion of the piston. The connecting rod and crankshaft structure has simple structure and stable performance, and may be used widely in power transmission of vehicle air compressor to convert the input rotation motion and torque into reciprocating linear motion and power of piston for sucking, compressing and exhausting gas.
In bent axle connecting rod structure, the crank throw carries out rotary motion on connecting rod major part hole, and traditional split type connecting rod is connected through the bolt when the installation, leads to connecting rod major part hole to warp easily when carrying out the bolt and tighten, the cylindricity reduces to lead to the revolute pair wearing and tearing aggravation of connecting rod major part hole, finally reduce bent axle connecting rod structure's life, the urgent need to be improved.
Disclosure of Invention
In view of the above-mentioned defect or not enough among the prior art, this application aims at providing a novel air compressor machine crankshaft connecting rod suit structure.
First aspect, a novel air compressor machine crankshaft connecting rod suit structure includes:
a piston and a connecting rod; the connecting rod is integrally formed, a small connecting rod head is formed at one end of the connecting rod, a large connecting rod head is formed at the other end of the connecting rod, and the large connecting rod head is provided with a pin joint hole; the piston is hinged with the small end of the connecting rod;
the crankshaft comprises a main journal, a connecting rod journal, a crank throw and a front main journal which are arranged in sequence; the big end of the connecting rod penetrates through the front main journal and is sleeved on the connecting rod journal through the pin joint hole; the crankshaft is rotatable about a first axis.
According to the technical scheme provided by the embodiment of the application, the size of the small end of the connecting rod is larger than that of the large end of the connecting rod along the first axis direction.
According to the technical scheme provided by the embodiment of the application, a piston pin is arranged in the piston, and a mounting hole for mounting the piston pin is formed in the piston; the small end of the connecting rod is sleeved on the piston pin, so that the connecting rod is hinged with the piston.
According to the technical scheme provided by the embodiment of the application, a limiting mechanism is arranged in the piston to limit the position of the piston pin.
According to the technical scheme provided by the embodiment of the application, the limiting mechanisms are two clamp springs.
According to the technical scheme provided by the embodiment of the application, two symmetrical clamp spring holes are formed at two ends of the mounting hole, and the two clamp springs are respectively mounted in the two clamp spring holes and abut against two ends of the piston pin.
According to the technical scheme provided by the embodiment of the application, in the first axis direction, the thickness of the small end of the connecting rod is 31mm, and the thickness of the large end of the connecting rod is 18 mm.
In a second aspect, the novel air compressor comprises at least one novel crankshaft connecting rod sleeving structure.
To sum up, this application is concrete discloses a novel air compressor machine crankshaft connecting rod suit structure. The technical scheme specifically designs a connecting rod and a crankshaft, wherein the crankshaft comprises a main journal, a connecting rod journal, a crank throw and a front main journal which are sequentially arranged; the connecting rod is integrally formed, a connecting rod big head is formed at one end of the connecting rod, a connecting rod big head is formed at the other end of the connecting rod, and the connecting rod big head is provided with a pin joint hole; the small end of the connecting rod is hinged with the piston, and the large end of the connecting rod penetrates through the front main journal and is sleeved on the connecting rod journal through the pin joint hole, so that the crankshaft can rotate around a first axis. In a specific using process, the piston is arranged in a combustion chamber of the air compressor, and when the air compressor operates, the piston bears generated gas pressure and transmits force to the crankshaft through the connecting rod to drive the crankshaft to rotate. Furthermore, the connecting rod is integrally formed, the initial cylindricity of the inner hole of the big end of the connecting rod is guaranteed, and then the abrasion of a rotating pair generated by the crankshaft when the crankshaft rotates on the inner hole of the big end of the connecting rod is less, so that the service life of the crankshaft connecting rod structure is prolonged.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a cross-sectional view of a novel air compressor crankshaft connecting rod sleeving structure;
FIG. 2 is a schematic view of a connecting rod and crankshaft connection process;
FIG. 3 is a cross-sectional view of the connecting rod;
fig. 4 is a crankshaft sectional view.
Reference numbers in the figures: 1. a piston; 2. a connecting rod; 21. a small end of the connecting rod; 22. a big end of the connecting rod; 3. a crankshaft; 31. a main journal; 32. a connecting rod neck; 33. a crank throw; 34. a front main journal; 4. a piston pin; 5. a clamp spring; 6. a jump ring hole.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As mentioned in the background art, the mass of the crankshaft is large in the motion process of the prior air compressor in the prior art, and the generated inertia force is too large to easily cause vibration, so that the operation efficiency and the effect of the air compressor are influenced. The utility model provides a novel air compressor machine bent axle connecting rod suit structure.
Example one
As shown in fig. 1, a piston 1 and a connecting rod 2, wherein the connecting rod 2 is integrally formed, a connecting rod small end 21 is formed at one end of the connecting rod, a connecting rod big end 22 is formed at the other end of the connecting rod, and the connecting rod big end 22 is provided with a pivot hole; the piston 1 is hinged with the small connecting rod head 21;
the crankshaft 3 comprises a main journal 31, a connecting rod journal 32, a crank 33 and a front main journal 34 which are arranged in sequence; the connecting rod big head 22 penetrates through the front main journal 34 and is sleeved on the connecting rod journal 32 through the pivot hole; the crankshaft 3 is rotatable about a first axis.
Based on the design, the basic structure of the crankshaft connecting rod sleeve is obtained:
the piston 1 is arranged in a combustion chamber of the air compressor and bears the pressure generated by the air compressor; the small connecting rod head 21 is arranged at one end of the connecting rod 2 and hinged with the piston 1; the link big end 22 is arranged at the other end of the link 2 and has a pivot hole. As shown in fig. 2, the connecting rod big end 22 enters from the end of the front main journal 34, and straddles the connecting rod journal 32 through the pivot hole, so that the connecting rod 2 is sleeved on the crankshaft 3, and the crankshaft 3 can move around the first axis under the driving of the connecting rod 2.
The air compressor is started on the premise that the crankshaft 3 is matched with the connecting rod 2, the temperature of a combustion chamber of the air compressor is increased to cause the pressure intensity to be increased to generate pressure, and the piston 1 bears the pressure and transmits the force to the connecting rod 2, so that the crankshaft 3 is driven to rotate to generate torsion for applying work to the outside. The device realizes the conversion of the heat energy generated when the fuel is combusted into the mechanical energy and the output of the power to the outside by converting the reciprocating motion of the piston 1 into the rotating motion of the crankshaft 3 through the connecting rod 2.
Connecting rod among the traditional structure is for being connected with the bent axle, sets up the connecting rod into the split type structure that the connecting rod stub end has semi-circular connecting rod lid to use the bolt to screw up and install, lead to the big-end hole of connecting rod to warp because of the bolt is tightened easily, and then make the big-end cylindricity of connecting rod reduce, lead to the revolute pair wearing and tearing aggravation of connecting rod big-end hole. The connecting rod 2 in the scheme is integrally formed, the cylindricity is not changed by external force, the dynamic balance of the crankshaft 3 during rotary motion is ensured, the auxiliary abrasion of the inner hole of the big end 22 of the connecting rod is reduced, and the service life of the structure is prolonged.
Necessary, the bent axle 3 in this scheme has removed the balancing weight in the traditional structure for cooperation connecting rod 2, has reduced manufacturing cost.
As shown in fig. 3, the size of the small end 21 of the link is larger than the size of the large end 22 of the link in the extension direction of the first axis.
Furthermore, in order to match the gravity distribution change of the crankshaft 3 caused by the structural change, the device adjusts the thicknesses of the small connecting rod head 21 and the large connecting rod head 22, further adjusts the weight distribution conditions of the two ends of the connecting rod 2, and controls the axial freedom degree of the hole of the large connecting rod head 22 in a matching manner, so that the static balance of the crankshaft 3 is ensured.
As shown in fig. 1, a piston pin 4 is arranged in the piston 1, and a mounting hole for mounting the piston pin 4 is formed in the piston 1; the small end 21 of the connecting rod is sleeved on the piston pin 4, so that the connecting rod 2 is hinged with the piston 1.
The piston tip 4 is used for connecting the connecting rod 2 and the piston 1, and plays a role of transmitting the force received by the piston 1 to the connecting rod 2.
In detail, the connecting rod small end 21 is sleeved on the piston pin 4, and the piston pin 4 is arranged in the mounting hole, so that the connecting rod 2 is hinged with the piston 1.
As shown in fig. 1, a restriction mechanism is provided in the piston 1 to restrict the position of the piston pin 4.
The piston pin 4 bears and transmits larger pressure in the using process, the limiting mechanism limits the piston pin 4, and the falling-off caused by axial movement of the piston pin 4 due to the bearing pressure is avoided, so that the device is more stable.
As shown in fig. 1, the limiting mechanism is two circlips 5.
Preferably, the limiting mechanism is two circlips 5.
Optionally, the limiting mechanism may be selected according to actual requirements.
As shown in fig. 1, two symmetrical snap spring holes 6 are formed at two ends of the mounting hole, and the two snap springs 5 are respectively mounted in the two snap spring holes 6 and abut against two ends of the piston pin 4.
As shown in FIG. 3, in the first axial direction, the thickness of the small end (21) of the connecting rod is 31mm, and the thickness of the large end (22) of the connecting rod is 18 mm.
Example two
The utility model provides a novel air compressor machine which characterized in that, includes as in embodiment one novel bent axle connecting rod suit structure. The number of the structures is selected according to the use condition, when in use, the piston 1 is arranged in a combustion chamber, the crankshaft 3 passes through an inner hole of the connecting rod big head 22 through the front main journal 34, and the crankshaft 3 is connected with the connecting rod 2 for matching use.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (8)
1. The utility model provides a novel air compressor machine bent axle connecting rod suit structure which characterized in that, includes piston (1) and connecting rod (2), wherein:
the connecting rod (2) is integrally formed, a small connecting rod head (21) is formed at one end of the connecting rod (2), a large connecting rod head (22) is formed at the other end of the connecting rod (2), and the large connecting rod head (22) is provided with a pivoting hole; the piston (1) is hinged with the small connecting rod head (21);
the crankshaft (3) comprises a main journal (31), a connecting rod journal (32), a crank throw (33) and a front main journal (34) which are arranged in sequence; the connecting rod big head (22) penetrates through the front main journal (34) and is sleeved on the connecting rod journal (32) through the pivoting hole; the crankshaft (3) is rotatable about a first axis.
2. The novel air compressor crankshaft connecting rod sleeving structure of claim 1, is characterized in that: the size of the small head (21) of the connecting rod is larger than that of the large head (22) of the connecting rod along the direction of the first axis.
3. The novel air compressor crankshaft connecting rod sleeving structure of claim 1, is characterized in that: a piston pin (4) is arranged in the piston (1), and a mounting hole for mounting the piston pin (4) is formed in the piston (1); the small connecting rod head (21) is sleeved on the piston pin (4) to enable the connecting rod (2) and the piston (1) to be hinged.
4. The novel air compressor crankshaft connecting rod sleeving structure of claim 3, is characterized in that: a limiting mechanism is arranged in the piston (1) to limit the position of the piston pin (4).
5. The novel air compressor crankshaft connecting rod sleeving structure of claim 4, is characterized in that: the limiting mechanism is two clamp springs (5).
6. The novel air compressor crankshaft connecting rod sleeving structure of claim 5, is characterized in that: two symmetrical clamp spring holes (6) are formed at two ends of the mounting hole, and the two clamp springs (5) are respectively mounted in the two clamp spring holes (6) and abut against two ends of the piston pin (4).
7. The novel air compressor crankshaft connecting rod sleeving structure of claim 2, is characterized in that: in the first axial direction, the thickness of the small end (21) of the connecting rod is 31mm, and the thickness of the large end (22) of the connecting rod is 18 mm.
8. A novel air compressor, characterized in that, includes the novel crankshaft connecting rod suit structure of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121974733.7U CN215474348U (en) | 2021-08-20 | 2021-08-20 | Novel air compressor machine bent axle connecting rod suit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121974733.7U CN215474348U (en) | 2021-08-20 | 2021-08-20 | Novel air compressor machine bent axle connecting rod suit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215474348U true CN215474348U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121974733.7U Active CN215474348U (en) | 2021-08-20 | 2021-08-20 | Novel air compressor machine bent axle connecting rod suit structure |
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|---|---|
| CN (1) | CN215474348U (en) |
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2021
- 2021-08-20 CN CN202121974733.7U patent/CN215474348U/en active Active
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