CN217515228U - Vibration reduction structure of compressor - Google Patents
Vibration reduction structure of compressor Download PDFInfo
- Publication number
- CN217515228U CN217515228U CN202221790053.4U CN202221790053U CN217515228U CN 217515228 U CN217515228 U CN 217515228U CN 202221790053 U CN202221790053 U CN 202221790053U CN 217515228 U CN217515228 U CN 217515228U
- Authority
- CN
- China
- Prior art keywords
- suspension block
- compressor
- suspension
- lug
- block
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model discloses a vibration damping structure of a compressor, which comprises a vibration damping base connected with an auxiliary frame, wherein the vibration damping base is provided with a first lug and a second lug, and the compressor is positioned between the first lug and the second lug; a first suspension block and a second suspension block are arranged on the first support lug, and a third suspension block is arranged on the second support lug; the gravity centers of the first suspension block, the second suspension block and the third suspension block and the gravity center of the compressor are all positioned on the same horizontal plane; the center of gravity of the compressor is positioned on the axis of the third suspension block, and the first suspension block and the second suspension block are respectively positioned on two sides of the axis and are symmetrically arranged; the distance between the gravity center of the compressor and the first suspension block and the distance between the gravity center of the compressor and the second suspension block are smaller than the distance between the gravity center of the compressor and the third suspension block. The utility model discloses a corresponding setting of first suspension piece, second suspension piece and third suspension piece and compressor for each suspension piece atress is even, the displacement of effective control power assembly, and the durability can be good.
Description
Technical Field
The utility model relates to a compressor damping structure belongs to electric automobile compressor damping technical field.
Background
The electric automobile takes a vehicle-mounted power supply as power and drives wheels to run by a motor. Compared with the traditional automobile, the electric automobile has relatively single working condition, but has large torque at the starting moment, and has high requirement on torsion resistance.
Due to the limitation of the arrangement space of the whole front cabin, the electric compressor in the prior art is arranged at the vehicle body side position such as an auxiliary frame or a longitudinal beam. The vibration reduction structure of the electric compressor is mainly in a one-level or two-level vibration reduction form of the bottom aluminum support, the center of gravity of the compressor is far away from the vertical direction of the vibration reduction structure, the vibration isolation rate of the system is low, the noise of the passenger compartment does not reach the standard when the compressor is started, and the steering wheel shakes obviously. And when the vehicle sharply turns or sharply accelerates or decelerates, the compressor shakes a large displacement, and is liable to interfere with peripheral parts.
SUMMERY OF THE UTILITY MODEL
The utility model provides a compressor damping structure has solved among the prior art lower and the compressor of compressor damping structure vibration isolation rate and has rocked the big problem of displacement.
In order to achieve the above purpose, the utility model adopts the technical proposal that: a vibration reduction structure of a compressor comprises a vibration reduction base connected with an auxiliary frame, wherein a first support lug and a second support lug are arranged on the vibration reduction base, and the compressor is positioned between the first support lug and the second support lug; a first suspension block and a second suspension block are arranged on the first support lug, and a third suspension block is arranged on the second support lug; the first suspension block, the second suspension block and the third suspension block are respectively connected with a compressor; the gravity centers of the first suspension block, the second suspension block and the third suspension block and the gravity center of the compressor are all positioned on the same horizontal plane; the center of gravity of the compressor is positioned on the axis of the third suspension block, and the first suspension block and the second suspension block are respectively positioned on two sides of the axis and are symmetrically arranged; the distance between the gravity center of the compressor and the first suspension block and the distance between the gravity center of the compressor and the second suspension block are smaller than the distance between the gravity center of the compressor and the third suspension block.
Preferably, a first bracket and a second bracket are arranged between the first lug and the compressor; the first support lug is connected with the first support; the second lug is connected with the second bracket; the compressor is fixed between the first bracket and the second bracket. The arrangement of the first support and the second support is beneficial to increasing the stability of the vibration reduction structure.
Preferably, the first lug is provided with a first limit hole and a second limit hole; a third limiting hole is formed in the second support lug; a first suspension block is arranged in the first limiting hole, a second suspension block is arranged in the second limiting hole, and a third suspension block is arranged in the third limiting hole. The suspension block is arranged in the limiting hole, so that the displacement of the power assembly can be effectively controlled, and the stability of the vibration damping structure is improved.
Preferably, the first bracket is provided with a first connecting hole and a second connecting hole, and the second bracket is provided with a fourth connecting hole; the positions of the first connecting hole and the second connecting hole respectively correspond to the first limiting hole and the second limiting hole; the first connecting hole is used for connecting the first bracket, the first support lug and the first suspension block; the second connecting hole is used for connecting the first bracket, the first lug and the second suspension block; and the position of the fourth connecting hole corresponds to the third limiting hole and is used for connecting the second bracket, the second support lug and the third suspension block.
Preferably, the first suspension block and the second suspension block are fixedly connected with the first bracket through M6 bolts, and the third suspension block is fixedly connected with the second bracket through M6 bolts, so that the mounting and the dismounting are convenient.
Preferably, the first bracket is provided with a lightening hole.
Preferably, the first suspension block, the second suspension block and the third suspension block are all provided with limiting parts for limiting displacement between the first suspension block, the second suspension block and the third suspension block and the damping base.
Preferably, the first suspension block, the second suspension block and the third suspension block are all cup-shaped rubber suspension blocks with low dynamic stiffness, so that the deformation is prevented from being too large.
Preferably, the damper base is mounted on the subframe by bolts so as to increase the dynamic stiffness of the driven-side member damper base of each suspension block and the subframe.
The gravity centers of the first suspension block, the second suspension block and the third suspension block and the gravity center of the compressor are all arranged on the same horizontal plane; the center of gravity of the compressor is positioned on the axis of the third suspension block, and the first suspension block and the second suspension block are respectively positioned on two sides of the axis and are symmetrically arranged; the distance between the gravity center of the compressor and the first suspension block and the distance between the gravity center of the compressor and the second suspension block are smaller than the distance between the gravity center of the compressor and the third suspension block, so that the deformation of the first suspension block, the second suspension block and the third suspension block caused by the gravity of the compressor is equivalent, the stress of each suspension block is uniform, the displacement of the power assembly is effectively controlled, and the durability is good. Because the utility model discloses a damping structure can make the displacement of compressor little, consequently can design the clearance of compressor and peripheral part less to can save the arrangement space.
Drawings
Fig. 1 is a schematic view of a vibration damping structure of a compressor provided by the present invention;
fig. 2 is a side view of a vibration damping structure of a compressor provided by the present invention;
FIG. 3 is a schematic structural view of the shock absorbing base of the present invention;
fig. 4 is a schematic structural view of the first bracket and the second bracket of the present invention;
fig. 5 is a schematic diagram of the positions of the suspension blocks according to the present invention.
Wherein: 1-a compressor, 2-a vibration damping base, 201-a first lug, 2011-a first limiting hole, 2012-a second limiting hole, 202-a second lug, 2021-a third limiting hole, 3-a first support, 301-a first connecting hole, 302-a second connecting hole, 303-a lightening hole, 4-a second support, 401-a fourth connecting hole, 5-a first suspension block, 6-a second suspension block, 7-a third suspension block and 8-an auxiliary frame.
Detailed Description
For a better understanding of the nature of the present invention, its embodiments are described in detail below with reference to the accompanying drawings.
The utility model discloses be particularly useful for electric compressor, concretely relates to compressor damping structure, as shown in fig. 1 and 2, including vibration damping mount 2, first support 3 and second support 4. The damping base 2 is connected with an auxiliary frame 8. The damper base 2 is bolted to the subframe 8 by M8 bolts to increase the dynamic stiffness of the driven-side member damper base 2 of each suspension block and the subframe 8.
As shown in fig. 3, a first lug 201 and a second lug 202 are disposed on the vibration damping mount 2, and the first bracket 3 and the second bracket 4 are located between the first lug 201 and the second lug 202. The first lug 201 is connected with the first bracket 3; the second lug 202 is connected to the second bracket 4. The compressor 1 is fixed between the first bracket 3 and the second bracket 4.
A first limit hole 2011 and a second limit hole 2012 are formed in the first lug 201; the second lug 202 is provided with a third limit hole 2021. A first suspension block 5 is arranged in the first limiting hole 2011, a second suspension block 6 is arranged in the second limiting hole 2012, and a third suspension block 7 is arranged in the third limiting hole 2021. All be provided with spacing portion on first suspension piece 5, second suspension piece 6 and the third suspension piece 7 for the displacement between first suspension piece 5, second suspension piece 6 and the third suspension piece 7 of restriction and vibration damping mount 2.
As shown in fig. 4, the first bracket 3 is provided with a first connecting hole 301, a second connecting hole 302, a third connecting hole and a lightening hole; the second bracket 4 is provided with a fourth connecting hole 401 and a fifth connecting hole. The third and fifth connecting holes are used for connecting with the compressor 1. The positions of the first connecting hole 301 and the second connecting hole 302 respectively correspond to the first limiting hole 2011 and the second limiting hole 2012; the position of the fourth connection hole 401 corresponds to the third position-limiting hole 2021.
The bolt sequentially passes through the first suspension block 5, the first limit hole 2011 and the first connecting hole 301 and then is connected with the first support 3, so that the first suspension block 5, the damping base 2 and the first support 3 are fixedly connected; the bolt sequentially passes through the second suspension block 6, the second limiting hole 2012 and the second connecting hole 302 and then is connected with the first bracket 3, and the second suspension block 6, the damping base 2 and the first bracket 3 are fixedly connected; the bolt passes through the third suspension block 7, the third limiting hole 2021 and the fourth connecting hole 401 in sequence and then is connected with the second support 4, and the third suspension block 7, the damping base 2 and the second support 4 are fixedly connected.
The first suspension block 5, the second suspension block 6 and the third suspension block 7 are all cup-shaped rubber suspension blocks with low dynamic stiffness. The first suspension block 5 and the second suspension block 6 are fixedly connected with the first bracket 3 through M6 bolts, and the third suspension block 7 is fixedly connected with the second bracket 4 through M6 bolts.
As shown in fig. 5, the first suspension block 5, the second suspension block 6, the third suspension block 7 and the center of gravity of the compressor 1 are all located on the same horizontal plane; the gravity center of the compressor 1 is positioned on the axis of the third suspension block 7, and the first suspension block 5 and the second suspension block 6 are respectively positioned on two sides of the axis and are symmetrically arranged. The distance between the center of gravity of the compressor 1 and the first and second suspension blocks 5 and 6 is smaller than the distance between the center of gravity of the compressor 1 and the third suspension block 7, so that the compressor 1 is disposed closer to the first and second suspension blocks 5 and 6. Therefore, the deformation of the first suspension block 5, the second suspension block 6 and the third suspension block 7 caused by the gravity of the compressor 1 is equivalent, the stress of each suspension block is uniform, the displacement of the power assembly is effectively controlled, and the durability is good.
Because the utility model discloses a damping structure can make the displacement of compressor little, consequently can design the clearance of compressor and peripheral part less to can save the arrangement space. Meanwhile, the vibration isolation rate of the system reaches 30dB averagely within the rotating speed range of 1000-7500 rpm of the compressor 1. When the compressor 1 is started, the noise of the passenger compartment reaches the standard, the sound pressure level is obviously reduced, and the steering wheel has no shaking phenomenon. Within the rotating speed range of 6000-7500 rpm, the sound pressure level reduction amplitude of the passenger compartment reaches 10dB (A). The system stability is improved, and the limit displacement of the compressor 1 is less than 12 mm.
It should be noted that although the present invention has been described with reference to the above embodiments, other embodiments are also possible. Various modifications and changes may be made by those skilled in the art without departing from the spirit and scope of the invention, and it is intended that all such modifications and changes fall within the scope of the appended claims and their equivalents.
Claims (9)
1. A compressor damping structure, its characterized in that: the vibration damping device comprises a vibration damping base (2) connected with an auxiliary frame (8), wherein a first support lug (201) and a second support lug (202) are arranged on the vibration damping base (2), and a compressor (1) is positioned between the first support lug (201) and the second support lug (202); a first suspension block (5) and a second suspension block (6) are arranged on the first support lug (201), and a third suspension block (7) is arranged on the second support lug (202); the first suspension block (5), the second suspension block (6) and the third suspension block (7) are respectively connected with the compressor (1); the gravity centers of the first suspension block (5), the second suspension block (6) and the third suspension block (7) and the gravity center of the compressor (1) are all located on the same horizontal plane; the gravity center of the compressor (1) is positioned on the axis of the third suspension block (7), and the first suspension block (5) and the second suspension block (6) are respectively positioned on two sides of the axis and are symmetrically arranged; the distance between the gravity center of the compressor (1) and the first suspension block (5) and the second suspension block (6) is smaller than the distance between the gravity center of the compressor (1) and the third suspension block (7).
2. The vibration reducing structure for a compressor according to claim 1, wherein: a first bracket (3) and a second bracket (4) are arranged between the first support lug (201) and the second support lug (202) and the compressor (1); the first support lug (201) is connected with the first bracket (3); the second lug (202) is connected with the second bracket (4); the compressor (1) is fixed between the first bracket (3) and the second bracket (4).
3. The vibration reducing structure for a compressor according to claim 2, wherein: a first limiting hole (2011) and a second limiting hole (2012) are formed in the first support lug (201); a third limiting hole (2021) is formed in the second support lug (202); a first suspension block (5) is arranged in the first limiting hole (2011), a second suspension block (6) is arranged in the second limiting hole (2012), and a third suspension block (7) is arranged in the third limiting hole (2021).
4. The vibration reducing structure for a compressor according to claim 3, wherein: a first connecting hole (301) and a second connecting hole (302) are formed in the first support (3), and a fourth connecting hole (401) is formed in the second support (4); the positions of the first connecting hole (301) and the second connecting hole (302) respectively correspond to the first limiting hole (2011) and the second limiting hole (2012); the first connecting hole (301) is used for connecting the first bracket (3), the first lug (201) and the first suspension block (5); the second connecting hole (302) is used for connecting the first bracket (3), the first lug (201) and the second suspension block (6); the position of the fourth connecting hole (401) corresponds to the position of the third limiting hole (2021) and is used for connecting the second bracket (4), the second lug (202) and the third suspension block (7).
5. The vibration reducing structure for a compressor according to claim 4, wherein: the first suspension block (5) and the second suspension block (6) are fixedly connected with the first support (3) through bolts, and the third suspension block (7) is fixedly connected with the second support (4) through bolts.
6. The vibration reducing structure for a compressor according to claim 2, wherein: the first support (3) is provided with a lightening hole (303).
7. The vibration reducing structure for a compressor according to claim 1, wherein: all be provided with spacing portion on first suspension piece (5), second suspension piece (6) and third suspension piece (7) for the displacement between first suspension piece (5), second suspension piece (6) and third suspension piece (7) and vibration damping mount (2) is restricted.
8. The vibration reducing structure of a compressor according to claim 1 or 7, wherein: the first suspension block (5), the second suspension block (6) and the third suspension block (7) are all cup-shaped rubber suspension blocks with low dynamic stiffness.
9. The vibration reducing structure for a compressor according to claim 1, wherein: and the damping base (2) is arranged on the auxiliary frame (8) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221790053.4U CN217515228U (en) | 2022-07-12 | 2022-07-12 | Vibration reduction structure of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221790053.4U CN217515228U (en) | 2022-07-12 | 2022-07-12 | Vibration reduction structure of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217515228U true CN217515228U (en) | 2022-09-30 |
Family
ID=83393763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221790053.4U Active CN217515228U (en) | 2022-07-12 | 2022-07-12 | Vibration reduction structure of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217515228U (en) |
-
2022
- 2022-07-12 CN CN202221790053.4U patent/CN217515228U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110978977A (en) | Motor assembly suspension structure and suspension system of pure electric vehicle | |
| CN217515228U (en) | Vibration reduction structure of compressor | |
| CN211166317U (en) | Electric air-conditioning compressor support with multistage damping function | |
| JPH045572B2 (en) | ||
| CN210911932U (en) | Shock absorber rear upper connecting piece with low dynamic stiffness and energy absorption | |
| KR19990031878A (en) | Front wheel suspension | |
| CN105667290A (en) | Front suspension assembly for power assembly | |
| CN210149145U (en) | Suspension system and car | |
| CN211592703U (en) | Six sub vehicle frames before installation | |
| CN211082051U (en) | Support structure of engine air-conditioning compressor | |
| CN219634971U (en) | Vibration isolation device of motor drive assembly and vehicle | |
| CN207291647U (en) | A kind of novel damping suspension | |
| CN219755224U (en) | Intermediate frequency vibration absorbing module for automobile rear cross beam | |
| CN216374745U (en) | Instrument board beam structure for reducing or eliminating shaking of steering wheel | |
| CN110816658A (en) | Front suspension system of direct-drive hub motor vehicle | |
| CN215153879U (en) | Suspension system and electric vehicle | |
| CN212643409U (en) | Hydraulic mount for reducing high-frequency dynamic characteristics | |
| CN211195762U (en) | Suspension of automobile and automobile | |
| CN107618351A (en) | A kind of novel damping suspension | |
| CN220199442U (en) | Novel swing arm of heavy truck | |
| CN217197681U (en) | Frame type fixed suspension matched with tail gas treatment system | |
| CN217753395U (en) | Suspension system and automobile | |
| CN218929090U (en) | Axle assembly and vehicle | |
| CN220540204U (en) | Shock-absorbing structure of auxiliary frame suspension support | |
| CN216610803U (en) | Electric vehicle compressor arrangement structure capable of reducing vibration sound pressure level |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |