Air compressor with balance flywheel
By installing a balancing flywheel on the crankshaft of the air compressor, the inertial force is used to counteract the eccentric force, thus solving the noise problem of the air compressor in new energy vehicles and achieving noise reduction and space optimization.
Patent Information
- Application Number
- CN202520132091.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2035-01-20
AI Technical Summary
In new energy vehicles, the crankshaft eccentricity of the air compressor results in high noise levels, and adding a separate motor would take up space and increase costs.
A balance flywheel is installed on the crankshaft to counteract the eccentric force on the crankshaft using its inertial force. Combined with the design of the electromagnetic clutch and the balance flywheel, vibration and noise are reduced through inertial force.
It effectively reduces the vibration and noise of the air compressor, optimizes space utilization, and reduces costs.
Smart Images
Figure CN223563377U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to new energy automobile technical field, especially a kind of air compressor with balance flywheel. BACKGROUND
[0002] Air compressor is usually used for safety air bag and brake in new energy automobile, it needs to use a separate motor to control, and the installation space of new energy automobile itself is less, increase an independent motor to make its internal structure more crowded, and also can improve the cost of new energy automobile, so there appears some air compressors of adding electromagnetic clutch on market, by synchronous belt can with air conditioner refrigeration device and / or gear pump share a driving motor, but, air compressor operates, and its crankshaft has eccentric force when driving piston movement, to cause noise to be relatively large when working. SUMMARY
[0003] The utility model discloses a kind of air compressors with balance flywheel, by being provided with a balance flywheel on crankshaft, to utilize the inertia of balance flywheel to offset eccentric force on crankshaft, to reduce vibration noise.
[0004] The utility model discloses an air compressor with balance flywheel, including air compressor and electromagnetic clutch, the air compressor includes crankcase, crankshaft, connecting rod, piston, piston pin, cylinder head, cylinder body, the electromagnetic clutch includes clutch disc, rotating wheel and coil, air compressor is provided with mounting table, the rotating wheel rotation sleeve is set on mounting table, and rotating wheel inside is provided with assembly cavity, the coil is fixed on air compressor and part is located in assembly cavity, clutch disc is fixed on crankshaft, and clutch disc includes magnetism plate that can be relatively deformed, when coil is electrified, magnetism plate can be adsorbed by rotating wheel, it is characterized in that: the crankshaft is sleeved with balance flywheel.
[0005] Further setting of the utility model: the clutch disc includes connecting plate, connecting plate and magnetism plate are sequentially arranged from inside to outside, further including link segment, connecting plate and magnetism plate are connected to form an integral whole by link segment.
[0006] Further setting of the utility model: further include locking piece for locking clutch disc on crankshaft by passing connecting plate, and reset leaf spring is further equipped on connecting plate, one end of reset leaf spring is connected and fixed on connecting plate, and the other end is fixed on magnetism plate.
[0007] Further setting of the utility model: further include circumferential rotation limiting structure that limit connecting plate relative to crankshaft rotation.
[0008] The further setting of the utility model discloses: the circumferential rotation limiting structure includes the linkage groove of setting on the connecting plate and the linkage block of setting on the crankshaft.
[0009] The utility model discloses specific beneficial effect is: when using, the rotating wheel is linked with the output shaft of motor through the belt, at this moment, if need drive air compressor work, the coil is electrified, makes the rotating wheel produce magnetic force, and the magnetic attraction plate on the clutch disc is adsorbed, thereby make the rotating wheel and clutch disc linkage, and because clutch disc is fixed on the crankshaft, at this moment, the crankshaft can synchronous rotation, make air compressor work, simultaneously can drive the balance flywheel and rotate, and the inertia force of balance flywheel is offset eccentric force on the crankshaft, thereby reduce the noise, if need not drive air compressor work, the coil is de-energized, and the rotating wheel loses magnetic force, thereby unclench the magnetic attraction plate, at this moment, the rotating wheel can idle. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is the whole structure schematic diagram of the utility model;
[0011] Figure 2 It is Figure 1 Sectional view;
[0012] Figure 3 It is the clutch disc and the coupling drawing of shaft coupling of the utility model;
[0013] Figure 4 It is the clutch disc and the coupling drawing of shaft coupling of the utility model;
[0014] Figure 5 It is the structure schematic diagram of air compressor of the utility model. DETAILED DESCRIPTION
[0015] The specific implementation of the utility model is explained in detail as follows in combination with the drawings:
[0016] In the description of the utility model, it is understood that the orientation or position relation of the terms "up", "down", "bottom", "top", "front", "back", "inner", "outer", "left", "right" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0017] The utility model discloses a kind of air compressors with balance flywheel, including air compressor 1 and electromagnetic clutch 2, the air compressor 1 includes crankcase 11, crankshaft 12, connecting rod 13, piston 14, piston pin 15, cylinder head 16, cylinder block 17 (the basic structure of air compressor belongs to prior art, this article will not be detailed specifically introduced), the electromagnetic clutch 2 includes clutch disc 21, rotating wheel 22 and coil 23, air compressor 1 is provided with mounting table 3, the rotating wheel 22 rotationally sets on mounting table 3, and rotating wheel 22 inside is provided with assembly cavity 221, the coil 23 is fixed on air compressor 1 and part is located in assembly cavity 221, clutch disc 21 is fixed on crankshaft 12, and clutch disc 21 includes magnetism plate 211 that can be relatively deformed, when coil 23 is electrified, magnetism plate 211 can be absorbed by rotating wheel 22, in the utility model embodiment, the crankshaft 12 is sleeved with balance flywheel 4.
[0018] Using the above technical scheme, when using, rotating wheel 22 is linked with the output shaft of motor through belt, at this time, if air compressor 1 needs to be driven to work, coil 23 is electrified, so that rotating wheel 22 generates magnetic force, and magnetism plate 211 on clutch disc 21 is absorbed, so that rotating wheel 22 and clutch disc 21 are linked, and because clutch disc 21 is fixed on crankshaft 12, crankshaft 12 can be synchronously rotated at this time, so that air compressor 1 works, and balance flywheel 4 is also driven to rotate, and the inertia force of balance flywheel 4 offsets the eccentric force on crankshaft 12, so as to reduce vibration and noise, if air compressor 1 does not need to be driven to work, coil 23 is deenergized, and rotating wheel 22 loses magnetic force, so that magnetism plate 211 is loosened, and at this time, rotating wheel 22 can be idled.
[0019] Clutch disc 21 includes connecting plate 212, connecting plate 212 and magnetism plate 211 are sequentially arranged from inside to outside, further includes abutment section 213, connecting plate 212 and magnetism plate 211 are connected to form an integral whole through abutment section 213, can prevent relative motion of magnetism plate 211 and connecting plate 212, so that it is more stable when linked, and abutment section 213 can provide elastic return force for magnetism plate 211.
[0020] Further include locking member 5 for passing through connecting plate 212 to lock clutch disc 21 on crankshaft 12 (locking member 5 is most preferably bolt), and reset leaf spring 6 is further provided on connecting plate 212, one end of reset leaf spring 6 is connected and fixed on connecting plate 212, the other end is fixed on magnetism plate 211, connecting plate 212 and crankshaft 12 are locked through locking member 5, so as to prevent clutch disc 21 from rotating relative to crankshaft 12, so as to realize the effect of linkage, and through the cooperation of reset leaf spring 6, when coil 23 is deenergized, elastic return force can be provided when magnetism plate 211 resets.
[0021] Further comprising a circumferential rotation limiting structure 7 for limiting the relative rotation of the connecting plate 212 and the crankshaft 12, which can prevent the connecting plate 212 from rotating relative to the crankshaft 12, making the linkage more stable, and the locking piece 5 is usually in concentric cooperation with the crankshaft 12, and the crankshaft 12 will rotate relative to the connecting plate 212, and when the locking piece 5 is a bolt, it is easy to loosen, and the cooperation of the circumferential rotation limiting structure 7 can further prevent the locking piece 5 from loosening.
[0022] The circumferential rotation limiting structure 7 comprises a linkage groove 72 provided on the connecting plate 212 and a linkage block 71 provided on the crankshaft 12 (of course, the circumferential rotation limiting structure 7 can also be a bolt), and the linkage block 71 and the linkage groove 72 are inserted and cooperated, and the cooperation is relatively stable, and the cooperation of the linkage block 71 and the linkage groove 72 can also play a guiding assembly role, and the structure is simple and convenient to assemble, the linkage block 71 can be directly provided on the crankshaft 12, of course, the crankshaft 12 can also be connected with a shaft coupling, and the linkage block 71 is provided on the shaft coupling, and of course, the circumferential rotation limiting structure 7 can also be in the form of an internal gear and an external gear.
Claims
1. An air compressor with a balance flywheel, comprising an air compressor (1) and an electromagnetic clutch (2), the air compressor (1) comprising a crankcase (11), a crankshaft (12), a connecting rod (13), a piston (14), a piston pin (15), a cylinder head (16), a cylinder block (17), the electromagnetic clutch (2) comprising a clutch disc (21), a rotating wheel (22) and a coil (23), the air compressor (1) being provided with a mounting table (3), the rotating wheel (22) being rotatably sleeved on the mounting table (3), and the inner side of the rotating wheel (22) being provided with an assembly cavity (221), the coil (23) being fixed on the air compressor (1) and partially located in the assembly cavity (221), the clutch disc (21) being fixed on the crankshaft (12), and the clutch disc (21) comprising a magnetically attractive plate (211) capable of relatively deforming, when the coil (23) is energized, the magnetically attractive plate (211) being capable of being attracted by the rotating wheel (22), characterized in that: The balance flywheel (4) is sleeved on the crankshaft (12).
2. An air compressor with a balancing flywheel according to claim 1, characterized in that: The clutch disc (21) comprises a connecting plate (212) and a magnetic plate (211) which are sequentially arranged from inside to outside, and a linking section (213) which connects the connecting plate (212) and the magnetic plate (211) to form an integral body.
3. An air compressor with a balancing flywheel as claimed in claim 2, characterized in that: The clutch disc (21) is locked on the crankshaft (12) through the connecting plate (212), and a reset plate spring (6) is arranged on the connecting plate (212), one end of the reset plate spring (6) is fixedly connected to the connecting plate (212), and the other end is fixedly connected to the magnetic plate (211).
4. An air compressor with a balancing flywheel according to claim 1 or 2 or 3, characterized in that: The clutch disc (21) is locked on the crankshaft (12) through the connecting plate (212), and a reset plate spring (6) is arranged on the connecting plate (212), one end of the reset plate spring (6) is fixedly connected to the connecting plate (212), and the other end is fixedly connected to the magnetic plate (211).
5. An air compressor with a balancing flywheel as claimed in claim 4, characterized in that: The clutch disc (21) is locked on the crankshaft (12) through the connecting plate (212), and a reset plate spring (6) is arranged on the connecting plate (212), one end of the reset plate spring (6) is fixedly connected to the connecting plate (212), and the other end is fixedly connected to the magnetic plate (211). The clutch disc (21) is locked on the crankshaft (12) through the connecting plate (212), and a reset plate spring (6) is arranged on the connecting plate (212), one end of the reset plate spring (6) is fixedly connected to the connecting plate (212), and the other end is fixedly connected to the magnetic plate (211). The clutch disc (21) is locked on the crankshaft (12) through the connecting plate (212), and a reset plate spring (6) is arranged on the connecting plate (212), one end of the reset plate spring (6) is fixedly connected to the connecting plate (212), and the other end is fixedly connected to the magnetic plate (211). The clutch disc (21) is locked on the crankshaft (12) through the connecting plate (212), and a reset plate spring (6) is arranged on the connecting plate (212), one end of the reset plate