CN108916540A - A kind of high intensity low noise bell housing - Google Patents
A kind of high intensity low noise bell housing Download PDFInfo
- Publication number
- CN108916540A CN108916540A CN201810857216.8A CN201810857216A CN108916540A CN 108916540 A CN108916540 A CN 108916540A CN 201810857216 A CN201810857216 A CN 201810857216A CN 108916540 A CN108916540 A CN 108916540A
- Authority
- CN
- China
- Prior art keywords
- chamber
- flywheel chamber
- stiffener assembly
- flywheel
- bell housing
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M1/00—Frames or casings of engines, machines or apparatus; Frames serving as machinery beds
- F16M1/02—Frames or casings of engines, machines or apparatus; Frames serving as machinery beds for reciprocating engines or similar machines
- F16M1/026—Frames or casings of engines, machines or apparatus; Frames serving as machinery beds for reciprocating engines or similar machines for housing movable engine or machine parts other than crankshafts, e.g. valve-gear housings
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
Abstract
The present invention relates to technical field of automobile accessories, especially a kind of high-intensitive low noise bell housing, including shell, flywheel chamber and gear chamber are equipped in shell, seal mounting hole is equipped in the middle part of flywheel chamber, the tapered setting of flywheel chamber, seal mounting hole is in the conical top center of flywheel chamber, the first stiffener assembly is equipped in flywheel chamber, first stiffener assembly includes the first stiffening ring and the first reinforcing rib, first stiffening ring and the first reinforcing rib are interlaced, first stiffener assembly bottom is equipped with noise reduction components, noise reduction components include mounting plate and clamping screw, mounting plate bottom is equipped with sound insulation blanket, blanket bottom insulate against sound equipped with foamed plastics, foamed plastics bottom is equipped with acoustical cotton.The bell housing reinforces the intensity of flywheel chamber by the first stiffener assembly and the second stiffener assembly jointly, extend the service life of shell, gear chamber, which also increases, simultaneously has the first stiffener assembly bottom of flywheel chamber to be equipped with noise reduction components, the noise generated when effectively absorbing crankshaft operation.
Description
Technical field
The present invention relates to technical field of automobile accessories more particularly to a kind of high-intensitive low noise bell housings.
Background technique
Bell housing is one of components of engine, and flywheel shell of engine is installed on the outside of engine flywheel, for covering
Lid flywheel plays safety protection function, and bell housing includes bell housing ontology, is provided with flywheel chamber on bell housing ontology and connects with body
Face, the bell housing ontology side opposite with body joint face are gearbox joint face, and bell housing ontology is connected by body
Face is connect with engine body, by flywheel chamber the cover flywheel, is connect by gearbox joint face with gearbox, structure is simple.
In addition, well known flywheel shell structure is simple, have a single function, using die cast, cause the strength reduction of bell housing,
The service life of bell housing is brief, while bell housing is installed on engine, and the operating of engine can generate biggish noise, is
This, it is proposed that a kind of high intensity low noise bell housing.
Summary of the invention
The purpose of the present invention is to solve the intensity that bell housing exists in the prior art is lower, can not noise insulation lack
Point, and a kind of high-intensitive low noise bell housing proposed.
To achieve the goals above, present invention employs following technical solutions：
A kind of high-intensitive low noise bell housing, including shell are designed, is equipped with flywheel chamber and gear chamber in the shell, it is described
Flywheel chamber is connected to gear chamber, and seal mounting hole, the tapered setting of flywheel chamber, the oil sealing are equipped in the middle part of the flywheel chamber
Mounting hole is in the conical top center of flywheel chamber, is equipped with the first stiffener assembly, first stiffener assembly in the flywheel chamber
Including the first stiffening ring and the first reinforcing rib, first stiffening ring is installed in flywheel chamber, and the first stiffening ring quantity is
Multiple, the diameter of multiple first stiffening rings is gradually increased, and multiple first stiffening rings center of circle is arranged, first reinforcing rib
Quantity is more, and more first reinforcing ribs are set in flywheel chamber in radiation, first stiffening ring and the first reinforcing rib
Interlaced, first stiffener assembly bottom is equipped with noise reduction components, and the noise reduction components include mounting plate and clamping screw, institute
It states mounting plate bottom and is equipped with sound insulation blanket, the sound insulation blanket bottom is equipped with foamed plastics, and the foamed plastics bottom is equipped with acoustical cotton,
The clamping screw runs through clamping screw by acoustical cotton, and clamping screw is connect with the first stiffener assembly, the height of the gear chamber
Degree is higher than flywheel chamber and is arranged, and the flywheel chamber bottom is equipped with outward flange, and the prominent flywheel chamber section bottom of the gear chamber, which is equipped with, to be turned over
Side is equipped with pilot hole on the outward flange and flange.
Preferably, shock absorbing ring is equipped in the seal mounting hole, the shock absorbing ring is damping gasket.
Preferably, first stiffening ring and the first reinforcing rib bottom are arranged in plane.
Preferably, the acoustical cotton bottom is equipped with protrusion, and the convex shape is reverse frustoconic, and the protrusion quantity is more
A, multiple protrusions are in array type arrangement in acoustical cotton bottom.
Preferably, the foamed plastics is polyurethane foam plastics, and the acoustical cotton is double-layer structure, on the acoustical cotton
Layer is rock wool mineral wool, and the acoustical cotton lower layer is polyester fiber acoustical cotton.
Preferably, diagonal brace is equipped on the outside of the gear chamber and flywheel chamber coupling part.
Preferably, the gear chamber top outer is equipped with the second stiffener assembly, and second stiffener assembly adds including second
Strong circle and the second reinforcing rib, second stiffening ring are arranged in a ring, and second reinforcing rib is reinforced in radiation through second
Circle setting.
Preferably, the noise reduction components are equipped with notch, and the notch radian matches with gear chamber radian.
A kind of high-intensitive low noise bell housing proposed by the present invention, beneficial effect are：The flywheel shell structure is simple, stablizes
Property it is good, reinforce the intensity of flywheel chamber by the first stiffener assembly, the first stiffening ring and the first reinforcing rib intersect setting, energy
Enough flywheel chamber is avoided to be pressurized, deformed, while gear chamber also increases the second stiffener assembly, passes through the first stiffening ring and second
Stiffener assembly promotes the stability of shell jointly, extends the service life of shell, the first stiffener assembly bottom installation of flywheel chamber
There are noise reduction components, acted on by noise reduction components, the noise generated when effectively absorbing crankshaft operation prevents noise from spreading out of, makes to send out
It is run between motivation and clutch more mute.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of high-intensitive low noise bell housing proposed by the present invention；
Fig. 2 is a kind of rearview of high-intensitive low noise bell housing proposed by the present invention；
Fig. 3 is the structural schematic diagram that a kind of high-intensitive low noise bell housing proposed by the present invention removes noise reduction components；
Fig. 4 is a kind of noise reduction components structural schematic diagram of high-intensitive low noise bell housing proposed by the present invention；
Fig. 5 is the schematic cross-section in the face A-A in Fig. 3.
In figure：Shell 1, flywheel chamber 2, gear chamber 3, seal mounting hole 4, shock absorbing ring 5, the first stiffener assembly 6, first are reinforced
Enclose the 61, first reinforcing rib 62, noise reduction components 7, mounting plate 71, clamping screw 72, sound insulation blanket 73, foamed plastics 74, acoustical cotton 75,
Raised 76, notch 8, diagonal brace 9, the second stiffener assembly 10, the second stiffening ring 11, the second reinforcing rib 12, outward flange 13, pilot hole
14, flange 15.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, a kind of high-intensitive low noise bell housing, including shell 1, shell 1 is interior to be equipped with flywheel chamber 2 and gear chamber
3, flywheel chamber 2 is connected to gear chamber 3, and seal mounting hole 4 is equipped in the middle part of flywheel chamber 2, shock absorbing ring 5 is equipped in seal mounting hole 4, subtracts
Shake circle 5 is damping gasket, and shock absorbing ring 5 plays damping effect, reduces crankshaft by damping gasket and vibrates shadow to caused by flywheel chamber 2
It rings, while improving the stability of crankshaft operation.
The tapered setting of flywheel chamber 2, seal mounting hole 4 are in the conical top center of flywheel chamber 2, are equipped in flywheel chamber 2
First stiffener assembly 6, the first stiffener assembly 6 include the first stiffening ring 61 and the first reinforcing rib 62, and the first stiffening ring 61 is installed on
In flywheel chamber 2,61 quantity of the first stiffening ring be it is multiple, the diameter of multiple first stiffening rings 61 is gradually increased, and multiple first plus
The setting of 61 centers of circle of strong circle, 62 quantity of the first reinforcing rib is more, and more first reinforcing ribs 62 are set to flywheel chamber 2 in radiation
Interior, the first stiffening ring 61 and the first reinforcing rib 62 are interlaced, and the first stiffening ring 61 and 62 bottom of the first reinforcing rib are set in plane
It sets, the first stiffener assembly 6 is used to be promoted the intensity of flywheel chamber 2, by including that the first stiffening ring 61 and the first reinforcing rib 62 are mutually handed over
Wrong collective effect is able to ascend the anti-pressure ability at 2 top of flywheel chamber, effectively prevents flywheel chamber 2 from deforming.
First stiffener assembly, 6 bottom is equipped with noise reduction components 7, and noise reduction components 7 are equipped with notch 8,8 radian of notch and gear chamber
3 radians match, and noise reduction components 7 include mounting plate 71 and clamping screw 72, and 71 bottom of mounting plate is equipped with sound insulation blanket 73, and insulate against sound blanket
73 bottoms are equipped with foamed plastics 74, and 74 bottom of foamed plastics is equipped with acoustical cotton 75, and clamping screw 72 is by acoustical cotton 75 through locking
Bolt 72, and clamping screw 72 is connect with the first stiffener assembly 6,75 bottom of acoustical cotton is equipped with protrusion 76, and raised 76 shapes are to fall
Truncated cone-shaped, raised 76 quantity be it is multiple, multiple raised 76 in array type arrangement in 75 bottom of acoustical cotton, foamed plastics 74 is poly- ammonia
Ester foamed plastic, acoustical cotton 75 are double-layer structure, and 75 upper layer of acoustical cotton is rock wool mineral wool, and 75 lower layer of acoustical cotton is polyester fiber
Acoustical cotton, noise reduction components 7 are used for the noise generated when absorbing flywheel and gear operation in flywheel chamber 2, acoustical cotton 75 by it is double-deck not
Material with density forms, after noise is passed in acoustical cotton 75, by different attraction material absorption of noise, at the same protrusion 76 with
Acoustical cotton 75 designs for integral type, and the protrusion 76 of rounding mesa-shaped can weaken the transmitting of noise, and foamed plastics 74 is in cellular, tool
There is stronger damping and amortization, with 75 collective effect absorption of noise of acoustical cotton, the blanket 73 that insulates against sound plays the role of partition, noise is carried out anti-
It penetrates, prevents noise from penetrating, promote noise reduction capability.
The height of gear chamber 3 is arranged higher than flywheel chamber 2, and diagonal brace 9, tooth are equipped on the outside of gear chamber 3 and 2 coupling part of flywheel chamber
3 top outer of engineer room is equipped with the second stiffener assembly 10, and the second stiffener assembly 10 includes the second stiffening ring 11 and the second reinforcing rib 12,
Second stiffening ring 11 is arranged in a ring, and the second reinforcing rib 12 is arranged in radiation through the second stiffening ring 11, and diagonal brace 9 makes gear
Room 3 is connect with flywheel chamber 2 more to be consolidated, and promotes bonding strength between the two, the second stiffener assembly 10 is for promoting gear chamber 3
Intensity, prevent gear chamber 3 from deformation occur, the second stiffener assembly 10 and the first stiffener assembly 6 promote the intensity of shell jointly.
2 bottom of flywheel chamber is equipped with outward flange 13, and prominent 2 section bottom of flywheel chamber of gear chamber 3 is equipped with flange 15, outward flange 13
Be equipped with pilot hole 14 on flange 15, shell 1 is installed by assembling bolt-through pilot hole 14, is fastened by bolts shell
Body 1.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of high intensity low noise bell housing, including shell (1), which is characterized in that be equipped with flywheel chamber in the shell (1)
(2) it is connected to gear chamber (3), the flywheel chamber (2) with gear chamber (3), seal mounting hole is equipped in the middle part of the flywheel chamber (2)
(4), the tapered setting of the flywheel chamber (2), the seal mounting hole (4) is in the conical top center of flywheel chamber (2), described
The first stiffener assembly (6) are equipped in flywheel chamber (2), first stiffener assembly (6) includes that the first stiffening ring (61) and first add
Strengthening tendons (62), first stiffening ring (61) are installed in flywheel chamber (2), the first stiffening ring (61) quantity be it is multiple, it is more
The diameter of a first stiffening ring (61) is gradually increased, and multiple first stiffening ring (61) centers of circle are arranged, and described first reinforces
Muscle (62) quantity is more, and more first reinforcing ribs (62) are set in flywheel chamber (2) in radiation, first stiffening ring
(61) and the first reinforcing rib (62) is interlaced, and the first stiffener assembly (6) bottom is equipped with noise reduction components (7), the noise reduction
Component (7) includes mounting plate (71) and clamping screw (72), and mounting plate (71) bottom is equipped with sound insulation blanket (73), the sound insulation
Blanket (73) bottom is equipped with foamed plastics (74), and foamed plastics (74) bottom is equipped with acoustical cotton (75), the clamping screw
(72) run through clamping screw (72) by acoustical cotton (75), and clamping screw (72) is connect with the first stiffener assembly (6), the gear
The height of room (3) is arranged higher than flywheel chamber (2), and flywheel chamber (2) bottom is equipped with outward flange (13), and the gear chamber (3) is prominent
Flywheel chamber (2) section bottom is equipped with flange (15) out, is equipped with pilot hole (14) on the outward flange (13) and flange (15).
2. a kind of high-intensitive low noise bell housing according to claim 1, which is characterized in that the seal mounting hole (4)
Interior to be equipped with shock absorbing ring (5), the shock absorbing ring (5) is damping gasket.
3. a kind of high-intensitive low noise bell housing according to claim 1, which is characterized in that first stiffening ring (61)
It is arranged with the first reinforcing rib (62) bottom in plane.
4. a kind of high-intensitive low noise bell housing according to claim 1, which is characterized in that acoustical cotton (75) bottom
Equipped with raised (76), protrusion (76) shape is reverse frustoconic, protrusion (76) quantity be it is multiple, multiple protrusions (76) are in
Array type arrangement is in acoustical cotton (75) bottom.
5. a kind of high-intensitive low noise bell housing according to claim 1, which is characterized in that the foamed plastics (74) is
Polyurethane foam plastics, the acoustical cotton (75) are double-layer structure, and acoustical cotton (75) upper layer is rock wool mineral wool, the suction
Sound cotton (75) lower layer is polyester fiber acoustical cotton.
6. a kind of high-intensitive low noise bell housing according to claim 1, which is characterized in that the gear chamber (3) and fly
Diagonal brace (9) are equipped on the outside of engineer room (2) coupling part.
7. a kind of high-intensitive low noise bell housing according to claim 1, which is characterized in that at the top of the gear chamber (3)
Outside is equipped with the second stiffener assembly (10), and second stiffener assembly (10) includes the second stiffening ring (11) and the second reinforcing rib
(12), second stiffening ring (11) is arranged in a ring, and second reinforcing rib (12) runs through the second stiffening ring in radiation
(11) it is arranged.
8. a kind of high-intensitive low noise bell housing according to claim 1, which is characterized in that on the noise reduction components (7)
Equipped with notch (8), notch (8) radian matches with gear chamber (3) radian.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810857216.8A CN108916540A (en) | 2018-07-31 | 2018-07-31 | A kind of high intensity low noise bell housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810857216.8A CN108916540A (en) | 2018-07-31 | 2018-07-31 | A kind of high intensity low noise bell housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108916540A true CN108916540A (en) | 2018-11-30 |
Family
ID=64393442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810857216.8A Pending CN108916540A (en) | 2018-07-31 | 2018-07-31 | A kind of high intensity low noise bell housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108916540A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3695386A (en) * | 1969-03-20 | 1972-10-03 | List Hans | Sound-proofing component |
| JPH10311226A (en) * | 1997-05-09 | 1998-11-24 | Mitsubishi Heavy Ind Ltd | Soundproof cover of portable engine generator |
| CN201897042U (en) * | 2010-11-30 | 2011-07-13 | 天津雷沃动力股份有限公司 | Noise-reducing reinforced engine flywheel shell |
| CN202816347U (en) * | 2012-08-06 | 2013-03-20 | 中国石油天然气集团公司 | Engine noise reduction cover for sound insulation and noise reduction |
| CN203081580U (en) * | 2013-01-15 | 2013-07-24 | 福州福发发电设备有限公司 | Intermediate-frequency low-noise unit acoustic shield |
| CN203147182U (en) * | 2013-01-11 | 2013-08-21 | 襄阳航力机电技术发展有限公司 | Noise reduction structure of silencing cover of generator set |
| CN204692916U (en) * | 2015-04-18 | 2015-10-07 | 潍柴动力股份有限公司 | Flywheel shell of diesel engine |
| CN208703423U (en) * | 2018-07-31 | 2019-04-05 | 湖北君庭汽车零部件股份有限公司 | A kind of high intensity low noise bell housing |
-
2018
- 2018-07-31 CN CN201810857216.8A patent/CN108916540A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3695386A (en) * | 1969-03-20 | 1972-10-03 | List Hans | Sound-proofing component |
| JPH10311226A (en) * | 1997-05-09 | 1998-11-24 | Mitsubishi Heavy Ind Ltd | Soundproof cover of portable engine generator |
| CN201897042U (en) * | 2010-11-30 | 2011-07-13 | 天津雷沃动力股份有限公司 | Noise-reducing reinforced engine flywheel shell |
| CN202816347U (en) * | 2012-08-06 | 2013-03-20 | 中国石油天然气集团公司 | Engine noise reduction cover for sound insulation and noise reduction |
| CN203147182U (en) * | 2013-01-11 | 2013-08-21 | 襄阳航力机电技术发展有限公司 | Noise reduction structure of silencing cover of generator set |
| CN203081580U (en) * | 2013-01-15 | 2013-07-24 | 福州福发发电设备有限公司 | Intermediate-frequency low-noise unit acoustic shield |
| CN204692916U (en) * | 2015-04-18 | 2015-10-07 | 潍柴动力股份有限公司 | Flywheel shell of diesel engine |
| CN208703423U (en) * | 2018-07-31 | 2019-04-05 | 湖北君庭汽车零部件股份有限公司 | A kind of high intensity low noise bell housing |
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