CN2611606Y - Post engine oil bottom hull damping structure of large passenger car - Google Patents
Post engine oil bottom hull damping structure of large passenger car Download PDFInfo
- Publication number
- CN2611606Y CN2611606Y CN 03230160 CN03230160U CN2611606Y CN 2611606 Y CN2611606 Y CN 2611606Y CN 03230160 CN03230160 CN 03230160 CN 03230160 U CN03230160 U CN 03230160U CN 2611606 Y CN2611606 Y CN 2611606Y
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- CN
- China
- Prior art keywords
- oil sump
- engine
- rubber pad
- sealing gasket
- bolt
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- 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.)
- Expired - Lifetime
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to a rear-mounted bus engine oil sump vibration-insulating structure for reducing vehicle noise, which comprises a sealing gasket and a bolt, wherein the sealing gasket is held between an engine frame and the contact face of an oil sump, and the bolt is employed to connect the engine frame, the sealing gasket and the oil sump as one. The sealing gasket is made from rubber pad, and the upper and the lower surfaces of the rubber pad are respectively provided with two elastic rings which are contacted with the engine frame and the oil sump. The utility model also comprises a vibration isolator which is composed of a mental rubber pad and a mental plate which are mutually overlapped. The vibration isolator is arranged between the lower portion of the folding edge of the oil sump and the projecting mesa at the head of the bolt. The utility model is arranged between the engine frame and the oil sump, which can prevent vibration transmission from the engine frame to the oil sump, thereby the utility model can control the noise radiation of the oil sump to reduce the noise of the overall device by 1dB to 1.5 dB (A).
Description
Technical field
The utility model relates to a kind of engine rear mounted bus engine sump tank vibration insulation structure that is used to reduce automobile noise.
Background technique
Mostly the vehicular engine oil sump is the thin shell piece that is stamped to form by steel plate, has that area is big, the characteristics of poor rigidity.Existing a kind of engine sump tank vibration insulation structure, see also shown in Figure 1, by sealing gasket 2 double spreads that make with rubber asbestos plate or fish paper, stick on the surface of contact of engine body 1 and oil sump 3, realize being rigidly connected by 5 pairs of engine bodies 1 of bolt, sealing gasket 2 and oil sump 3.Like this, the radiated noise that the oil pan structure vibration that is caused by body vibration is produced has constituted one of main noise source of motor, because oil sump place temperature is higher, is difficult to effectively control the chatter radiation with damping material.
Summary of the invention
The purpose of this utility model is the shortcoming that the noise of the existing engine sump tank vibration insulation structure existence of solution can not effectively reduce, and a kind of transmission of vibration from the engine body to the oil sump of blocking is provided, control the engine rear mounted bus engine sump tank vibration insulation structure of the noise radiation of oil sump.
The purpose of this utility model is to realize like this, a kind of engine rear mounted bus engine sump tank vibration insulation structure, comprise a sealing gasket and a bolt, the sealing pad is folded between the surface of contact of engine body and oil sump, by bolt engine body, sealing gasket and oil sump is connected as a single entity; Be characterized in that described sealing gasket is made of rubber pad, the upper and lower end face of this rubber pad is respectively equipped with the elastic ring that two circles and engine body contact with oil sump; Also comprise a vibration isolator, this vibration isolator is made of a metal-rubber pad and a lamination of metal plates; Described vibration isolator is arranged between the boss face of the flanging bottom of oil sump and bolt head.
Above-mentioned engine rear mounted bus engine sump tank vibration insulation structure, wherein, described bolt passes through the flanging and the rubber pad of vibration isolator, oil sump, and oil sump, vibration insulation structure and engine body are connected as a single entity.
The utility model compared with prior art, has tangible advantage and effect owing to realized above-mentioned technological scheme:
1, the utility model engine rear mounted bus engine sump tank vibration insulation structure is owing to be provided with a vibration isolator between the boss face of the flanging bottom of oil sump and bolt, and effectively the noise radiation of oil sump is controlled in the transmission of blocking-up vibration from the engine body to the oil sump.
2, the utility model engine rear mounted bus engine sump tank vibration insulation structure is arranged between the boss face of oil sump and bolt because vibration isolator is made of a metal-rubber pad and a lamination of metal plates, makes bolt even to the impacting force of vibration isolator.
3, the utility model engine rear mounted bus engine sump tank vibration insulation structure is made of rubber pad owing to sealing gasket, the upper and lower end face of this rubber pad is respectively equipped with two circles and the elastic ring that engine body contacts with oil sump, can play the excellent sealing effect that prevents oil leakage.
Description of drawings
Concrete structure of the present utility model is further provided by following examples and accompanying drawing thereof.
Fig. 1 is the structural representation of existing motor bus engine sump tank vibration insulation structure.
Fig. 2 is the structural representation of the utility model engine rear mounted bus engine sump tank vibration insulation structure.
Embodiment
See also Fig. 2, engine rear mounted bus engine sump tank vibration insulation structure, comprise a sealing gasket 2, sealing gasket is made of rubber pad, the upper and lower end face of this rubber pad is respectively equipped with two and encloses the two circle elastic rings 21 that contact with oil sump 3 with engine body 1, rubber pad 2 is made as the big or small consistent of engine body 1 and oil sump 3 surface of contact, and this rubber pad 2 is folded between the surface of contact of engine body 1 and oil sump 3, can play the excellent sealing effect that prevents oil leakage; One vibration isolator 4, this vibration isolator 4 is made of a metal-rubber pad 41 and a sheet metal 42 laminations; Vibration isolator 4 is arranged between the boss face of the flanging bottom of oil sump 3 and bolt head, can effectively block the transmission of vibration from the engine body to the oil sump, and the noise radiation of control oil sump makes bolt even to the impacting force of vibration isolator simultaneously; Bolt 5 bolts 5 pass through flanging, the rubber pad 2 of vibration isolator 4, oil sump 3, and oil sump, vibration insulation structure and engine body are connected as a single entity.
The utility model engine rear mounted bus engine sump tank vibration insulation structure, be arranged between engine body and the oil sump, can effectively block the transmission of vibration from the engine body to the oil sump, the noise radiation of may command oil sump makes total noise of centrifuge reduce 1dB～1.5dB (A).
Claims (2)
1, a kind of engine rear mounted bus engine sump tank vibration insulation structure comprises a sealing gasket and a bolt, and the sealing pad is folded between the surface of contact of engine body and oil sump, by bolt engine body, sealing gasket and oil sump is connected as a single entity; It is characterized in that: described sealing gasket is made of rubber pad, and the upper and lower end face of this rubber pad is respectively equipped with the elastic ring that two circles and engine body contact with oil sump; Also comprise a vibration isolator, this vibration isolator is made of a metal-rubber pad and a lamination of metal plates; Described vibration isolator is arranged between the boss face of the flanging bottom of oil sump and bolt head.
2, engine rear mounted bus engine sump tank vibration insulation structure according to claim 1, it is characterized in that: described bolt passes through the flanging and the rubber pad of vibration isolator, oil sump, and oil sump, vibration insulation structure and engine body are connected as a single entity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03230160 CN2611606Y (en) | 2003-04-09 | 2003-04-09 | Post engine oil bottom hull damping structure of large passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03230160 CN2611606Y (en) | 2003-04-09 | 2003-04-09 | Post engine oil bottom hull damping structure of large passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2611606Y true CN2611606Y (en) | 2004-04-14 |
Family
ID=34165203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03230160 Expired - Lifetime CN2611606Y (en) | 2003-04-09 | 2003-04-09 | Post engine oil bottom hull damping structure of large passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2611606Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829797A (en) * | 2017-11-02 | 2018-03-23 | 广西玉柴机器股份有限公司 | Oil sump attachment means |
-
2003
- 2003-04-09 CN CN 03230160 patent/CN2611606Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829797A (en) * | 2017-11-02 | 2018-03-23 | 广西玉柴机器股份有限公司 | Oil sump attachment means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130409 Granted publication date: 20040414 |