CN217327589U - Compressor and car - Google Patents
Compressor and car Download PDFInfo
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- CN217327589U CN217327589U CN202221248219.XU CN202221248219U CN217327589U CN 217327589 U CN217327589 U CN 217327589U CN 202221248219 U CN202221248219 U CN 202221248219U CN 217327589 U CN217327589 U CN 217327589U
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Abstract
The utility model discloses a compressor and an automobile, wherein the compressor comprises a cylinder body, a driving piece, a crankshaft, a transmission connecting rod, a rotating shaft and a piston connecting rod; the cylinder body is provided with a first compression cavity and a second compression cavity which are oppositely arranged; the driving member is provided with a driving shaft; the crankshaft is arranged in the cylinder body and is in driving connection with the driving shaft so as to enable the crankshaft to rotate along the axial direction of the cylinder body, and the crankshaft is provided with an eccentric shaft which is eccentrically arranged with the driving shaft; the transmission connecting rod is arranged in the cylinder body and is rotatably connected with the eccentric shaft; the rotating shaft extends along the axial direction of the cylinder body and is connected with the transmission connecting rod; the piston connecting rod is arranged in the cylinder body in a reciprocating mode along the radial direction of the cylinder body and is connected with the rotating shaft, the piston connecting rod and the transmission connecting rod can rotate relatively, a first piston and a second piston are arranged at two opposite ends of the piston connecting rod in the radial direction of the cylinder body respectively, the first piston is arranged in the first compression cavity, and the second piston is arranged in the second compression cavity. The utility model discloses compressor can avoid taking place wearing and tearing between piston and the cylinder body, guarantees compressor life.
Description
Technical Field
The utility model relates to a fluid compression technical field, in particular to compressor and car.
Background
In the related art, when the reciprocating piston compressor operates, the piston swings, so that the abrasion between the piston and the cavity wall of a compression cavity of a cylinder body occurs, and the service life of the compressor is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a compressor aims at avoiding taking place wearing and tearing between piston and the cylinder body, guarantees the life of compressor.
In order to achieve the above object, the present invention provides a compressor comprising a cylinder, a driving member, a crankshaft, a transmission connecting rod, a rotating shaft and a piston connecting rod; the cylinder body is provided with a first compression cavity and a second compression cavity which are oppositely arranged; the driver has a drive shaft; the crankshaft is arranged in the cylinder body and is in driving connection with the driving shaft so as to enable the crankshaft to rotate along the axial direction of the cylinder body, and the crankshaft is provided with an eccentric shaft which is arranged eccentrically to the driving shaft; the transmission connecting rod is arranged in the cylinder body and is rotatably connected with the eccentric shaft; the rotating shaft extends along the axial direction of the cylinder body and is connected with the transmission connecting rod; the piston connecting rod is arranged in the cylinder body in a reciprocating manner along the radial direction of the cylinder body and is connected with the rotating shaft, the piston connecting rod and the transmission connecting rod can rotate relatively, a first piston and a second piston are respectively arranged at two opposite ends of the piston connecting rod on the radial direction of the cylinder body, the first piston is arranged in the first compression cavity, and the second piston is arranged in the second compression cavity.
Optionally, the piston connecting rod is fixedly connected with the rotating shaft, and the transmission connecting rod is rotatably connected with the rotating shaft.
Optionally, the transmission connecting rod is provided with a mounting hole, a lubricating piece is arranged in the mounting hole, and the lubricating piece is sleeved on the rotating shaft.
Optionally, the lubricating piece is a self-aligning bearing or a needle bearing.
Optionally, the piston connecting rod is arranged in a hollow manner, and the transmission connecting rod is arranged in the piston connecting rod.
Optionally, the piston connecting rod includes a first connecting plate and a second connecting plate which are arranged in the cylinder axial direction at intervals, the transmission connecting rod is located between the first connecting plate and the second connecting plate, the first connecting plate is connected with the first piston and the second piston, the second connecting plate is connected with the first piston and the second piston, and the rotating shaft is connected with the first connecting plate and the second connecting plate respectively.
Optionally, the first connecting plate is provided with a first shaft hole, the second connecting plate is provided with a second shaft hole, the first shaft hole and the second shaft hole are coaxially arranged, one end of the rotating shaft is inserted in the first shaft hole, and the other end of the rotating shaft is inserted in the second shaft hole.
Optionally, the hole walls of the first shaft hole and the second shaft hole are both provided with an elastic coating.
Optionally, a reinforcing member is arranged between the first connecting plate and the second connecting plate.
Optionally, the circumferential dimension of the first piston is equal to the circumferential dimension of the second piston.
Optionally, the first compression cavity is a low-pressure stage compression cavity, the second compression cavity is a high-pressure stage compression cavity, and the circumferential size of the first piston is larger than that of the second piston.
Optionally, first piston deviates from the periphery of the one end of second piston is equipped with and is annular first mounting groove, the compressor still include first leather cup and with the solid fixed ring of first mounting groove adaptation, first leather cup passes through gu fixed ring fixes on the first mounting groove.
Optionally, the second piston deviates from the one end of first piston is equipped with the second mounting groove, the compressor still include the second leather cup and with the fixed stopper of second mounting groove adaptation, the second leather cup passes through the fixed stopper is fixed on the second mounting groove.
Optionally, a communication hole is formed in the second mounting groove of the second piston, and the communication hole communicates the second mounting groove with an inner space of the piston rod.
The utility model discloses still provide an automobile, the automobile includes as above arbitrary the compressor.
The technical scheme of the utility model, the motion of piston rod in the cylinder body is linear motion, wobbling phenomenon can not appear, consequently, on first piston and second piston all located piston rod to avoid taking place wearing and tearing between piston and the cylinder body, thereby guarantee the life of compressor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a cross-sectional view of an embodiment of the compressor of the present invention;
FIG. 2 is a cross-sectional view of the piston rod and drive rod of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C;
FIG. 6 is a schematic view of the piston rod and the transmission rod of FIG. 1;
FIG. 7 is a schematic view of the piston rod of FIG. 1;
FIG. 8 is a schematic structural view of the drive link of FIG. 1;
fig. 9 is a schematic structural view of another embodiment of the compressor of the present invention;
fig. 10 is a schematic structural view of the piston rod of fig. 9.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
60 | Piston connecting |
| 11 | |
61 | |
| 12 | |
611 | |
| 13 | Containing |
612 | |
| 21 | |
62 | |
| 30 | |
621 | |
| 31 | |
622 | |
| 32 | |
63 | First connecting |
| 33 | First bearing | 631 | |
| 40 | |
64 | Second connecting |
| 41 | |
641 | |
| 42 | |
65 | |
| 43 | Connecting |
66 | Reinforcing |
| 44 | Second bearing | 70 | |
| 50 | |
80 | Second leather bowl |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a compressor, this compressor are reciprocating piston compressor, can be double-cylinder single stage compressor, or double-cylinder doublestage compressor, or double-cylinder multistage compressor etc..
In the embodiment of the present invention, as shown in fig. 1 or 9, the compressor includes a cylinder block 10, a driving member, a crankshaft 30, a transmission connecting rod 40, a rotating shaft 50, and a piston connecting rod 60.
In the present embodiment, the compressor is a two-cylinder compressor, and the cylinder 10 has a first compression chamber 11 and a second compression chamber 12 to increase the compressed air displacement of the compressor. An accommodating cavity 13 is formed in the cylinder 10, and the accommodating cavity 13 is used for accommodating the crankshaft 30, the transmission connecting rod 40, the rotating shaft 50 and the piston connecting rod 60 and providing a space for the transmission connecting rod 40 and the piston connecting rod 60 to move. Because the compressor is reciprocating piston compressor, first compression chamber 11 sets up with second compression chamber 12 relatively, can improve the compression efficiency of compressor.
Although the cylinder 10 has an infinite number of radial directions, for convenience of description, the radial directions of the cylinder 10 described below are all in the same direction, i.e., the direction from the first compression chamber 11 to the second compression chamber 12. The axial direction of the cylinder 10 is normal to the plane in which the cylinder 10 is located in the radial direction.
In the present exemplary embodiment, the drive element is an electric motor, which has a drive shaft 21, via which drive shaft 21 the drive element outputs a torque. The driving member is disposed outside the cylinder block 10, the driving shaft 21 is disposed to extend in an axial direction of the cylinder block 10, and the driving shaft 21 at least partially extends into the cylinder block 10 to be connected to the crankshaft 30 disposed inside the cylinder block 10, thereby driving the crankshaft 30 to rotate in the axial direction of the cylinder block 10.
In the present embodiment, the crankshaft 30 is disposed in the cylinder block 10, the crankshaft 30 is provided with an insertion hole 32 extending in the axial direction of the cylinder block 10, and the driving shaft 21 is at least partially inserted in the insertion hole 32, so that the driving shaft 21 and the crankshaft 30 are fixed relative to each other, and the crankshaft 30 can rotate along the axial direction of the cylinder block 10 following the driving shaft 21. Cylinder body 10 is seted up towards one side of driving piece and is held the through-hole that chamber 13 communicates, the compressor still includes first bearing 33, the one end that bent axle 30 was equipped with jack 32 is located to the inner ring cover of first bearing 33, the outer loop of first bearing 33 and the pore wall butt of through-hole, so that bent axle 30 can rotate smoothly relative to cylinder body 10, carry out spacingly at cylinder body 10's footpath simultaneously to bent axle 30, prevent that bent axle 30 from radially producing at cylinder body 10 and rocking, thereby guarantee transmission connecting rod 40 and piston connecting rod 60 stationary motion, and then avoid first piston 61 or second piston 62 and cylinder body 10 to take place the collision wearing and tearing. The outer peripheral wall of the crankshaft 30 protrudes outward to form a first overlapping portion, and the crankshaft 30 overlaps an end of the bearing away from the driving member through the first overlapping portion to support the crankshaft 30 in the axial direction of the cylinder block 10. One end of the bearing toward the driver abuts against the housing of the driver to support the bearing in the axial direction of the cylinder block 10. An eccentric shaft 31 is convexly provided at an end of the crankshaft 30 facing away from the driving member in an axial direction of the cylinder block 10, and the eccentric shaft 31 is eccentrically provided with the insertion hole 32, so that the driving shaft 21 inserted in the insertion hole 32 is eccentrically provided with the eccentric shaft 31. Of course, in other embodiments, the first bearing 33 may be replaced by a bushing made of a material having a low coefficient of friction.
In the present embodiment, as shown in fig. 1, 8 and 9, the transmission connecting rod 40 is disposed in the cylinder block 10, the transmission connecting rod 40 is provided with a connecting hole 43 extending along the axial direction of the cylinder block 10, the compressor further includes a second bearing 44 disposed in the connecting hole 43, an inner ring of the second bearing 44 is sleeved on the eccentric shaft 31, an outer ring of the second bearing 44 abuts against a hole wall of the connecting hole 43, so that the transmission connecting rod 40 is in transmission connection with the eccentric shaft 31, the eccentric shaft 31 can drive the transmission connecting rod 40 to reciprocate in the radial direction of the cylinder block 10 when eccentrically rotating, and the transmission connecting rod 40 can rotate relative to the eccentric shaft 31, and the second bearing 44 can reduce the wear between the transmission connecting rod 40 and the eccentric shaft 31. The hole wall of the attachment hole 43 is protruded to form a second overlapping portion on which the end of the second bearing 44 facing the driving member is overlapped to support the second bearing 44. Of course, in other embodiments, the second bearing 44 may be replaced by a bushing made of a material with a low friction coefficient, so as to ensure that the transmission connecting rod 40 can smoothly rotate relative to the eccentric shaft 31, reduce energy loss, and ensure transmission energy efficiency.
In the present embodiment, the piston rod 60 is disposed in the cylinder 10 in a manner that the piston rod can reciprocate along the radial direction of the cylinder 10, the piston rod 60 is respectively provided with a first piston 61 and a second piston 62 at two opposite ends of the cylinder 10 in the radial direction, the first piston 61 is disposed in the first compression cavity 11 for compressing air in the first compression cavity 11, and the second piston 62 is disposed in the second compression cavity 12 for compressing air in the second compression cavity 12.
In this embodiment, the rotating shaft 50 is disposed in the cylinder 10, the rotating shaft 50 extends along the axial direction of the cylinder 10, the piston connecting rod 60 is fixedly connected to the rotating shaft 50, and the transmission connecting rod 40 is rotatably connected to the rotating shaft 50, so that the transmission connecting rod 40 can drive the piston connecting rod 60 to reciprocate in the radial direction of the cylinder 10, and the piston connecting rod 60 and the transmission connecting rod 40 can rotate relatively. In other embodiments, the piston connecting rod 60 may be rotatably connected to the rotating shaft 50, and the transmission connecting rod 40 may be fixedly connected to the rotating shaft 50.
It will be appreciated that, since the driving link 40 is directly connected to the eccentric shaft 31, the driving link 40 moves not only in the direction from the first compression chamber 11 to the second compression chamber 12 but also in other radial directions of the cylinder block 10, i.e., in a swing motion, within the cylinder block 10. If the piston is arranged on the transmission connecting rod 40, in the working process of the compressor, the piston can interfere with the cavity wall of the compression cavity, so that the situation that the piston and the cavity wall of the compression cavity are scratched and abraded is caused. And the piston connecting rod 60 is not directly connected with the eccentric shaft 31, and the movement of the piston connecting rod 60 in the cylinder 10 is a linear movement in the direction from the first compression chamber 11 to the second compression chamber 12, and no swing phenomenon occurs, therefore, in the present embodiment, the first piston 61 and the second piston 62 are both arranged on the piston connecting rod 60, so as to avoid the abrasion between the pistons and the cylinder 10, and thus ensure the service life of the compressor.
The compressor works as follows, the driving member is powered to rotate the driving shaft 21 to drive the crankshaft 30 to rotate, so as to drive the transmission connecting rod 40 to reciprocate in the radial direction of the cylinder 10, and further drive the piston connecting rod 60 to reciprocate in the radial direction of the cylinder 10, so that the first piston 61 compresses the air in the first compression cavity 11 and the second piston 62 compresses the air in the second compression cavity 12 alternately. The piston rod 60 moves towards the first compression chamber 11, the first piston 61 compresses air in the first compression chamber 11, the second piston 62 moves away from the second compression chamber 12, so that the space in the second compression chamber 12 is increased, and the air enters the second compression chamber 12; the piston rod 60 moves toward the second compression chamber 12, the second piston 62 compresses the air in the second compression chamber 12, the first piston 61 moves away from the first compression chamber 11, the space in the first compression chamber 11 increases, and the air enters the first compression chamber 11, and so on.
In one embodiment, as shown in fig. 2 and 3, the transmission link 40 is provided with a mounting hole 41, a lubricant 42 is disposed in the mounting hole 41, and the lubricant 42 is sleeved on the rotating shaft 50.
It can be understood that, but relative rotation between transmission connecting rod 40 and pivot 50, consequently, at the transmission in-process, the condition of wearing and tearing easily appears in the junction of transmission connecting rod 40 and pivot 50, leads to being connected between pivot 50 and the transmission connecting rod 40 inseparable, and pivot 50 can appear rocking relative transmission connecting rod 40 for piston connecting rod 60 moves unstably, and then leads to appearing scraping wearing and tearing between piston and the compression cavity wall. In the embodiment, the lubricating piece 42 is arranged in the mounting hole 41 of the transmission connecting rod 40, so that the abrasion between the hole wall of the mounting hole 41 of the transmission connecting rod 40 and the peripheral wall of the rotating shaft 50 is reduced, the scraping abrasion between the piston and the wall of the compression cavity is avoided, and the service life of the compressor is ensured.
In the present embodiment, the lubricant 42 is a self-aligning bearing. It should be noted that the parallelism between the wall of the mounting hole 41 and the peripheral wall of the rotating shaft 50 is also an important factor that affects whether the motion of the piston rod 60 is smooth or not. The self-aligning bearing can alleviate 41 pore walls of mounting hole and 50 perisporium depth of parallelism of pivot not good to piston connecting rod 60 stationary motion's influence to ensure that piston connecting rod 60 can stationary motion, thereby avoid appearing scraping wearing and tearing between piston and the compression chamber wall, can also reduce the machining precision requirement of 41 and pivot 50 of mounting hole simultaneously.
In other embodiments, the lubricating member 42 may be a needle bearing to reduce the wear between the hole wall of the mounting hole 41 of the transmission link 40 and the peripheral wall of the rotating shaft 50.
In one embodiment, as shown in fig. 2, 6, 7 and 10, the piston rod 60 is hollow, and the transmission rod 40 is disposed in the piston rod 60.
In this embodiment, the piston rod 60 includes a first connecting plate 63 and a second connecting plate 64 spaced apart from each other in the axial direction of the cylinder 10, the transmission rod 40 is located between the first connecting plate 63 and the second connecting plate 64, the first connecting plate 63 connects the first piston 61 and the second piston 62, and the second connecting plate 64 connects the first piston 61 and the second piston 62, that is, the transmission rod 40 is accommodated in the inner space of the piston rod 60 and is moved by the transmission rod 40, so as to improve the space utilization, thereby reducing the thickness of the cylinder 10 and facilitating the miniaturization of the compressor. Of course, in other embodiments, it is also possible that the transmission connecting rod 40 is arranged on the side of the piston connecting rod 60 facing the drive member or on the side facing away from the drive member.
In this embodiment, the rotating shaft 50 is fixedly connected to the first connecting plate 63 and the second connecting plate 64. If the piston rod 60 is rotatably connected to the rotating shaft 50, the rotating shaft 50 is rotatably connected to the first connecting plate 63 and the second connecting plate 64, respectively.
In this embodiment, the piston rod 60 is further provided with openings on both sides thereof to avoid the space between the piston rod and the transmission rod 40, so as to avoid interference with the movement of the transmission rod 40.
In one embodiment, as shown in fig. 2 and 3, the first connecting plate 63 is provided with a first shaft hole 631, the second connecting plate 64 is provided with a second shaft hole 641, the first shaft hole 631 is coaxially disposed with the second shaft hole 641, and one end of the rotating shaft 50 is inserted into the first shaft hole 631 and the other end is inserted into the second shaft hole 641.
In this embodiment, the rotating shaft 50 has a first end and a second end disposed opposite to each other, the first end of the rotating shaft 50 is in interference fit with the first shaft hole 631, so that the first end of the rotating shaft 50 is fixedly connected to the first connecting plate, and the second end of the rotating shaft 50 is in interference fit with the second shaft hole 641, so that the second end of the rotating shaft 50 is fixedly connected to the second connecting plate. In other embodiments, it is also possible that the first shaft hole 631 and the second shaft hole 641 have internal threads, the first end and the second end of the rotating shaft 50 have external threads, the first end of the rotating shaft 50 is threadedly engaged with the first shaft hole 631, and the second end of the rotating shaft 50 is threadedly engaged with the second shaft hole 641.
In one embodiment, as shown in fig. 2 and 3, the first shaft hole 631 and the second shaft hole 641 are provided with an elastic coating 65 on the hole walls.
It will be appreciated that the elastomeric coating 65 is elastomeric and can be reduced in volume when compressed. Therefore, the elastic coating 65 disposed in the first shaft hole 631 and the second shaft hole 641 can compensate for the clearance between the shaft hole and the rotating shaft 50 due to machining errors, so as to reduce the requirement for the coaxiality of the first shaft hole 631 and the second shaft hole 641. Meanwhile, the elastic coating 65 has a large damping performance, and can reduce vibration, thereby reducing noise.
In this embodiment, the hole walls of the first shaft hole 631 and the second shaft hole 641 are completely covered with the elastic coating 65. In other embodiments, the hole walls of the first shaft hole 631 and the second shaft hole 641 may be partially covered with the elastic coating 65.
In one embodiment, as shown in fig. 7 and 10, a reinforcing member 66 is disposed between the first link plate 63 and the second link plate 64 to reinforce the strength of the piston connecting rod 60.
In the embodiment, the reinforcing member 66 is disposed in a rib shape, one end of the reinforcing member 66 is connected to the first connecting plate 63, and the other end of the reinforcing member 66 is connected to the second connecting plate 64. In other embodiments, the stiffener 66 may be disposed in other shapes, and the shape of the stiffener 66 is not specifically limited.
In one embodiment, as shown in fig. 1 and 7, the first compression chamber 11 is a low-pressure stage compression chamber, the second compression chamber 12 is a high-pressure stage compression chamber, and the circumferential size of the first piston 61 is larger than that of the second piston 62.
In this embodiment, the compressor is a double-cylinder two-stage compressor, air is compressed in the low-pressure stage compression cavity, and the air compressed by the low-pressure stage compression cavity is introduced into the high-pressure stage compression cavity to be compressed for the second time, so as to obtain gas with higher compression degree.
It will be appreciated that the volume of the high pressure stage compression chamber is generally less than the volume of the low pressure stage compression chamber and therefore the size of the high pressure stage piston is correspondingly less than the size of the low pressure stage piston, i.e. the circumferential dimension of the first piston 61 is greater than the circumferential dimension of said second piston 62.
In this embodiment, the circumferential edge of one end of the first piston 61, which is away from the second piston 62, is provided with a first annular mounting groove 611, the compressor further includes a first cup 70 and a fixing ring 612 which is adapted to the first mounting groove 611, the first cup 70 is fixed on the first mounting groove 611 through the fixing ring 612, the first cup 70 has elasticity, and the circumferential edge of the first cup 70 is elastically abutted to the cavity wall of the first compression cavity 11, so as to improve the sealing performance of the first compression cavity 11, and reduce the requirement of coaxiality between the first piston 61 and the first compression cavity 11. The one end that second piston 62 deviates from first piston 61 is equipped with second mounting groove 621, the compressor still include second leather cup 80 and with the fixed stopper 622 of second mounting groove 621 adaptation, second leather cup 80 is fixed on second mounting groove 621 through fixed stopper 622, second leather cup 80 has elasticity, the periphery of second leather cup 80 and the chamber wall elasticity butt of second compression chamber 12, in order to improve the leakproofness of second compression chamber 12, and reduce the axiality requirement between second piston 62 and the second compression chamber 12.
It can be understood that the second piston 62 is provided with a communication hole in the second mounting groove 621, which communicates with the inner space of the piston rod 60, so that when the fixing plug 622 is mounted in the second mounting groove 621, air between the fixing plug 622 and the second mounting groove 621 can be discharged through the communication hole, thereby preventing air between the fixing plug 622 and the second mounting groove 621 from obstructing the mounting of the fixing plug 622.
In another embodiment, as shown in fig. 9 and 10, the circumferential dimension of the first piston 61 is equal to the circumferential dimension of the second piston 62.
In this embodiment, the compressor is a double-cylinder single-stage compressor, and the first compression chamber 11 and the second compression chamber 12 work alternately, so that the compressor continuously discharges compressed gas. It will be appreciated that the volumes of the first and second compression chambers 11, 12 are generally the same, and therefore the first and second pistons 61, 62 are correspondingly equal in size.
The utility model discloses still provide a car, this car includes compressor and pneumatic equipment, and the concrete structure of this compressor refers to above-mentioned embodiment, because this car has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. The pneumatic device may be an air spring, and the compressor is configured to compress air and supply the compressed air to the pneumatic device to operate the pneumatic device.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (15)
1. A compressor, comprising:
the cylinder body is provided with a first compression cavity and a second compression cavity which are oppositely arranged;
a drive member having a drive shaft;
the crankshaft is arranged in the cylinder body and is in driving connection with the driving shaft so as to enable the crankshaft to rotate along the axial direction of the cylinder body, and the crankshaft is provided with an eccentric shaft which is arranged eccentrically to the driving shaft;
the transmission connecting rod is arranged in the cylinder body and is rotatably connected with the eccentric shaft;
the rotating shaft extends along the axial direction of the cylinder body and is connected with the transmission connecting rod; and the number of the first and second groups,
the piston connecting rod is arranged in the cylinder body in a reciprocating manner along the radial direction of the cylinder body and is connected with the rotating shaft, the piston connecting rod and the transmission connecting rod can rotate relatively, a first piston and a second piston are respectively arranged at two opposite ends of the cylinder body in the radial direction, the first piston is arranged in the first compression cavity, and the second piston is arranged in the second compression cavity.
2. The compressor of claim 1, wherein said piston connecting rod is fixedly connected to said shaft, and said drive connecting rod is rotatably connected to said shaft.
3. The compressor of claim 2, wherein said drive link has a mounting hole, said mounting hole having a lubrication member disposed therein, said lubrication member being fitted around said rotating shaft.
4. A compressor according to claim 3, wherein the lubricant is a self-aligning bearing or a needle bearing.
5. The compressor of claim 1, wherein said piston rod is hollow and said drive link is disposed within said piston rod.
6. The compressor of claim 5, wherein the piston rod includes a first link plate and a second link plate spaced apart in an axial direction of the cylinder body, the transmission rod is located between the first link plate and the second link plate, the first link plate connects the first piston and the second piston, the second link plate connects the first piston and the second piston, and the rotary shaft is connected to the first link plate and the second link plate, respectively.
7. The compressor as claimed in claim 6, wherein the first connecting plate has a first shaft hole, the second connecting plate has a second shaft hole, the first shaft hole and the second shaft hole are coaxially arranged, one end of the rotating shaft is inserted into the first shaft hole, and the other end of the rotating shaft is inserted into the second shaft hole.
8. The compressor of claim 7, wherein the bore walls of the first and second shaft bores are each provided with an elastomeric coating.
9. The compressor of claim 6, wherein a reinforcement is disposed between the first link plate and the second link plate.
10. The compressor of claim 1, wherein a circumferential dimension of the first piston is equal to a circumferential dimension of the second piston.
11. The compressor of claim 1, wherein said first compression pocket is a low pressure stage compression pocket and said second compression pocket is a high pressure stage compression pocket, said first piston having a circumferential dimension greater than a circumferential dimension of said second piston.
12. The compressor of claim 1, wherein a circumferential edge of an end of the first piston facing away from the second piston is provided with a first annular mounting groove, the compressor further comprises a first cup and a fixing ring adapted to the first mounting groove, and the first cup is fixed to the first mounting groove through the fixing ring.
13. The compressor of claim 1 or 12, wherein a second mounting groove is formed in an end of the second piston facing away from the first piston, the compressor further comprises a second cup and a fixing plug adapted to the second mounting groove, and the second cup is fixed to the second mounting groove through the fixing plug.
14. The compressor of claim 13, wherein the second piston is provided with a communication hole in the second mounting groove, the communication hole communicating the second mounting groove with an inner space of the piston rod.
15. An automobile, characterized by comprising a compressor according to any one of claims 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221248219.XU CN217327589U (en) | 2022-05-20 | 2022-05-20 | Compressor and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221248219.XU CN217327589U (en) | 2022-05-20 | 2022-05-20 | Compressor and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217327589U true CN217327589U (en) | 2022-08-30 |
Family
ID=82986566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221248219.XU Active CN217327589U (en) | 2022-05-20 | 2022-05-20 | Compressor and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217327589U (en) |
-
2022
- 2022-05-20 CN CN202221248219.XU patent/CN217327589U/en active Active
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