CN212202282U - Engine sprocket chamber cover with noise reduction structure - Google Patents
Engine sprocket chamber cover with noise reduction structure Download PDFInfo
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- CN212202282U CN212202282U CN202020732854.XU CN202020732854U CN212202282U CN 212202282 U CN212202282 U CN 212202282U CN 202020732854 U CN202020732854 U CN 202020732854U CN 212202282 U CN212202282 U CN 212202282U
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Abstract
The utility model relates to an engine application technology field just discloses an engine sprocket chamber cap with structure of making an uproar falls, including sprocket chamber cap body, the mounting hole has been seted up in the front of sprocket chamber cap body, the spacing groove has been seted up in the front of sprocket chamber cap body, the layer of making an uproar falls in fixedly connected with complex on the inner wall of sprocket chamber cap body, the layer of making an uproar falls in complex comprises first inoxidizing coating, second inoxidizing coating, third protective layer and fourth protective layer from outside to inside in proper order, the positive fixedly connected with cardboard of sprocket chamber cap body, the outside fixedly connected with buffering laminating piece of cardboard. This engine chain wheel chamber cover with structure of making an uproar falls, its overall structure retrencies and fall the ability of making an uproar and reinforce, and the chain wheel structure can not influence each other with the structure of making an uproar falls when using simultaneously to the effectual noise of having solved the engine makes the problem that influences outside personnel and organism structure easily because of being difficult to reduce.
Description
Technical Field
The utility model relates to an engine application technology field specifically is an engine sprocket chamber cap with structure of making an uproar falls.
Background
The engine is a machine capable of converting other forms of energy into mechanical energy, including internal combustion engines, external combustion engines, jet engines, electric motors and the like, and an engine sprocket cover is one of important parts in the engine, and mainly has the function of meeting the sealing assembly of a sprocket system when the front end of the engine is right and becomes a part of an engine cylinder body after being assembled.
The engine chain wheel chamber cover is widely applied at present, and the noise reduction capability of the engine chain wheel chamber is relatively common after the engine chain wheel chamber is installed on an engine, so that the noise generated by the engine can still be directly transmitted to the outside without being reduced, the influence on a user can be easily caused for a long time, and the vibration generated by the noise can cause adverse effect on the structure of the engine body, so that the engine chain wheel chamber cover with the noise reduction structure is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides an engine sprocket chamber cap with structure of making an uproar falls possesses the advantage such as the ability reinforce of making an uproar that falls, has solved the noise of engine and has influenced outside personnel and organism structure's problem easily because of being difficult to reduce.
(II) technical scheme
For the purpose that the ability of making an uproar is strong falls in the realization, the utility model provides a following technical scheme: the utility model provides an engine sprocket chamber cap with structure of making an uproar falls, includes sprocket chamber cap body, the mounting hole has been seted up in the front of sprocket chamber cap body, the spacing groove has been seted up in the front of sprocket chamber cap body, the layer of making an uproar falls in the fixedly connected with complex on the inner wall of sprocket chamber cap body, the layer of making an uproar falls in the complex comprises first inoxidizing coating, second inoxidizing coating, third protective layer and fourth protective layer from outside to inside in proper order, the positive fixedly connected with cardboard of sprocket chamber cap body, the outside fixedly connected with buffering laminating piece of cardboard, the positive inboard fixedly connected with strip deadening felt of sprocket chamber cap body.
Preferably, the number of the mounting holes in the front face of the sprocket chamber cover body is thirteen, and the number of the limiting grooves in the front face of the sprocket chamber cover body is five.
Preferably, the first protective layer is a rubber buffer layer, the second protective layer is an asbestos layer, the third protective layer is a sound-absorbing cotton layer, and the fourth protective layer is an adhesive layer.
Preferably, the first protective layer, the second protective layer, the third protective layer and the fourth protective layer are equal in thickness, and the joint parts of the first protective layer, the second protective layer, the third protective layer and the fourth protective layer are bonded through adhesives.
Preferably, the cardboard is the metal plate body, and its and sprocket chamber cap body structure as an organic whole, the quantity of cardboard is ten and evenly distributed in the layer of making an uproar falls in the compound inboard that leans on.
Preferably, the buffering and attaching blocks are rubber block bodies with rectangular shapes, and the number of the buffering and attaching blocks is equal to that of the clamping plates.
Preferably, the outer surface of the buffering fitting block is fitted with the outer surface of the first protective layer on the composite noise reduction layer, and a mounting groove clamped with the outer part of the strip-shaped sound-proof felt is formed in the chain wheel chamber cover body.
(III) advantageous effects
Compared with the prior art, the utility model provides an engine sprocket chamber cap with structure of making an uproar falls possesses following beneficial effect:
1. this engine sprocket chamber lid with structure of making an uproar falls, be equipped with the compound layer of making an uproar of falling on the inner wall through sprocket chamber lid body, and the compound layer of making an uproar of falling is by first inoxidizing coating, the second inoxidizing coating, third inoxidizing coating and fourth inoxidizing coating are constituteed, it can play the sound of inhaling, fall the noise and prevent that rigid striking from producing the effect of shaking, tightly bond between layer and the layer simultaneously, the effect that the ability of making an uproar is strong has been reached, retrench through this engine sprocket chamber lid overall structure, and it is located spacing groove department all the time at the in-process sprocket of normal operating and can not have the cross-linking to some extent with the compound layer of making an uproar of.
2. This engine chain wheel chamber cap with structure of making an uproar falls, it prevents its sideslip to block the compound layer of making an uproar of falling through being equipped with the cardboard on the sprocket chamber cap body, it can not be by the scratch to guarantee to make an uproar the compound layer of making an uproar of falling to be equipped with the buffering laminating piece on the cardboard simultaneously, and can effectively cushion, can effectively avoid this engine chain wheel chamber cap the not enough condition of structural stability to appear, the inside through the sprocket chamber cap body is equipped with strip deadening felt and assists and falls the noise, can effectively strengthen the ability of making an uproar falls in the secondary of this engine chain wheel chamber cap, thereby the effectual noise of having solved the engine is because of being difficult to reduce.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic structural diagram of a shown in fig. 1 according to the present invention.
In the figure: 1 sprocket chamber cap body, 2 mounting holes, 3 spacing grooves, 4 compound layers of making an uproar, 41 first inoxidizing coating, 42 second inoxidizing coating, 43 third inoxidizing coating, 44 fourth inoxidizing coating, 5 cardboard, 6 buffering laminating pieces, 7 strip deadening felts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.
Referring to fig. 1-2, an engine sprocket chamber cover with a noise reduction structure comprises a sprocket chamber cover body 1, wherein the front surface of the sprocket chamber cover body 1 is provided with mounting holes 2, the front surface of the sprocket chamber cover body 1 is provided with limiting grooves 3, the number of the mounting holes 2 on the front surface of the sprocket chamber cover body 1 is thirteen, the number of the limiting grooves 3 on the front surface of the sprocket chamber cover body 1 is five, the inner wall of the sprocket chamber cover body 1 is fixedly connected with a composite noise reduction layer 4, the composite noise reduction layer 4 is composed of a first protection layer 41, a second protection layer 42, a third protection layer 43 and a fourth protection layer 44 from outside to inside in sequence, the first protection layer 41 is a rubber buffer layer, the second protection layer 42 is a asbestos layer, the third protection layer 43 is a sound absorption cotton layer, the fourth protection layer 44 is an adhesive layer, and the thicknesses of the first protection layer 41, the second protection layer 42, the third protection layer 43 and the fourth protection layer 44 are all, the joint part of the chain wheel chamber cover body 1 is bonded by adhesive, the front surface of the chain wheel chamber cover body 1 is fixedly connected with a clamping plate 5, the clamping plate 5 is a metal plate body and is integrated with the chain wheel chamber cover body 1 into a whole, the quantity of the clamping plates 5 is ten, the clamping plates are uniformly distributed on the inner side of the composite noise reduction layer 4, the outer part of the clamping plate 5 is fixedly connected with a buffering and bonding block 6, the buffering and bonding block 6 is a rubber block body with a rectangular shape, the quantity of the buffering and bonding block 6 is equal to that of the clamping plates 5, the inner side of the front surface of the chain wheel chamber cover body 1 is fixedly connected with a strip-shaped sound-proof felt 7, the outer surface of the buffering and bonding block 6 is bonded with the outer surface of a first protective layer 41 on the composite noise reduction layer 4, a mounting groove which is clamped with the outer part of the strip-shaped sound-proof felt 7 is arranged in the chain wheel chamber cover body 1, simultaneously, the buffer fitting blocks 6 arranged on the clamping plate 5 ensure that the composite noise reduction layer 4 cannot be scratched, effective buffering can be realized, the condition that structural stability is insufficient in the engine chain wheel chamber cover can be effectively avoided, the strip-shaped sound-proof felt 7 is arranged inside the chain wheel chamber cover body 1 to assist in noise reduction, the secondary noise reduction capability of the engine chain wheel chamber cover can be effectively enhanced, and therefore the problem that external personnel and an engine body structure are easily affected due to difficulty in reduction of noise of an engine is effectively solved.
To sum up, this engine chain wheel chamber cap with structure of making an uproar falls is equipped with the compound layer 4 of making an uproar that falls on the inner wall through sprocket chamber cap body 1, and the compound layer 4 of making an uproar of falling is by first inoxidizing coating 41, second inoxidizing coating 42, third inoxidizing coating 43 and fourth inoxidizing coating 44 constitute, it can play the sound absorption, fall the effect of making an uproar and preventing that rigid impact from producing the vibration, tightly bond between the layer simultaneously, the effect that the ability of making an uproar is strong has been reached, retrench through this engine chain wheel chamber cap overall structure, and its in-process sprocket at normal operating is located spacing groove 3 department all the time and can not have the cross-linking with the compound layer 4 of making an uproar of falling, can make this engine chain.
And, this engine chain wheel chamber cap with structure of making an uproar falls, it prevents its sideslip to block compound layer 4 of making an uproar of falling to fall to be equipped with cardboard 5 on the sprocket chamber cap body 1, it can not be scratched to guarantee to compound layer 4 of making an uproar of falling to fall to be equipped with buffering laminating piece 6 on cardboard 5 simultaneously, and can effectively cushion, can effectively avoid this engine chain wheel chamber cap to appear the not enough condition of structural stability, it makes an uproar to be assisted to be equipped with strip deadening felt 7 through the inside of sprocket chamber cap body 1, can effectively strengthen the secondary of this engine chain wheel chamber cap and fall the ability of making an uproar, thereby the effectual noise of having solved the engine makes the problem that influences outside personnel and organism structure easily.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an engine sprocket chamber cap with structure of making an uproar falls, includes sprocket chamber cap body (1), its characterized in that: mounting hole (2) have been seted up in the front of sprocket chamber cap body (1), spacing groove (3) have been seted up in the front of sprocket chamber cap body (1), layer (4) of making an uproar falls in fixedly connected with complex on the inner wall of sprocket chamber cap body (1), layer (4) of making an uproar falls in complex comprises first inoxidizing coating (41), second inoxidizing coating (42), third inoxidizing coating (43) and fourth inoxidizing coating (44) from outside to inside in proper order, the positive fixedly connected with cardboard (5) of sprocket chamber cap body (1), the outside fixedly connected with buffering laminating piece (6) of cardboard (5), the positive inboard fixedly connected with strip deadening felt (7) of sprocket chamber cap body (1).
2. The engine sprocket chamber cover with the noise reduction structure of claim 1, wherein: the chain wheel chamber cover comprises a chain wheel chamber cover body (1), wherein the chain wheel chamber cover body is provided with thirteen mounting holes (2) in the front face, and the chain wheel chamber cover body (1) is provided with five limiting grooves (3) in the front face.
3. The engine sprocket chamber cover with the noise reduction structure of claim 1, wherein: first inoxidizing coating (41) are the rubber buffer layer, second inoxidizing coating (42) are the asbestos layer, third inoxidizing coating (43) are for inhaling the cotton layer of sound, fourth inoxidizing coating (44) are the adhesive linkage.
4. The engine sprocket chamber cover with the noise reduction structure of claim 1, wherein: the thicknesses of the first protection layer (41), the second protection layer (42), the third protection layer (43) and the fourth protection layer (44) are equal, and the joint parts of the first protection layer, the second protection layer, the third protection layer and the fourth protection layer are bonded through adhesives.
5. The engine sprocket chamber cover with the noise reduction structure of claim 1, wherein: cardboard (5) are the metal plate body, and its structure as an organic whole with sprocket chamber cap body (1), the inboard by of ten and evenly distributed in compound noise reduction layer (4) of quantity of cardboard (5).
6. The engine sprocket chamber cover with the noise reduction structure of claim 1, wherein: the buffering attaching blocks (6) are rubber block bodies with rectangular shapes, and the number of the buffering attaching blocks (6) is equal to that of the clamping plates (5).
7. The engine sprocket chamber cover with the noise reduction structure of claim 1, wherein: the outer surface of the buffering attaching block (6) is attached to the outer surface of the first protective layer (41) on the composite noise reduction layer (4), and a mounting groove clamped with the outer portion of the strip-shaped soundproof felt (7) is formed in the chain wheel chamber cover body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020732854.XU CN212202282U (en) | 2020-05-07 | 2020-05-07 | Engine sprocket chamber cover with noise reduction structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020732854.XU CN212202282U (en) | 2020-05-07 | 2020-05-07 | Engine sprocket chamber cover with noise reduction structure |
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| CN212202282U true CN212202282U (en) | 2020-12-22 |
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| CN202020732854.XU Active CN212202282U (en) | 2020-05-07 | 2020-05-07 | Engine sprocket chamber cover with noise reduction structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876662A (en) * | 2022-06-10 | 2022-08-09 | 哈尔滨东安汽车动力股份有限公司 | Synchronous chain housing energy absorption device based on NVH optimization |
-
2020
- 2020-05-07 CN CN202020732854.XU patent/CN212202282U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876662A (en) * | 2022-06-10 | 2022-08-09 | 哈尔滨东安汽车动力股份有限公司 | Synchronous chain housing energy absorption device based on NVH optimization |
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