CN205503292U - Engine, cylinder head and cylinder head damping structure thereof - Google Patents
Engine, cylinder head and cylinder head damping structure thereof Download PDFInfo
- Publication number
- CN205503292U CN205503292U CN201620181322.5U CN201620181322U CN205503292U CN 205503292 U CN205503292 U CN 205503292U CN 201620181322 U CN201620181322 U CN 201620181322U CN 205503292 U CN205503292 U CN 205503292U
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- China
- Prior art keywords
- cylinder head
- damping
- connecting hole
- proof structure
- bolt
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Abstract
The utility model discloses an engine, cylinder head and cylinder head damping structure thereof, cylinder head damping structure includes the indoor wall of chain (1) and chain outdoor wall (2), still includes: set up in screw hole on the indoor wall of chain (1), set up in connecting hole on chain outdoor wall (2), run through the connecting hole and with damping bolt (3) that the screw hole is connected, set up in the connecting hole with damping washer (4) between damping bolt (3). The utility model provides a cylinder head damping structure, formerly locate the damping bolt with the damping washer cover on, pass connecting hole and the screw hole on the indoor wall of chain on the chain outdoor wall in proper order with damping bolt outside -in again, the tip of damping bolt is fixed with the screw hole screw -thread fit on the indoor wall of chain, and the damping washer is located between damping bolt and the connecting hole. Produce when vibrating each other at the indoor wall of chain and chain outdoor wall, reach the damping effect, effectively reduced the noise.
Description
Technical field
This utility model relates to engine apparatus technical field, particularly to a kind of electromotor, cylinder head and
Its cylinder head vibration-proof structure.
Background technology
Electromotor, in running, inevitably makes a noise.Along with the raising of scientific and technological level, send out
Motivation noise reduction is the most increasingly taken seriously.
In engine cylinder cap, owing to having link in the chain chamber of cylinder head, at link rotation process
In, chain chamber inwall, chain and chain chamber outer wall can be made to produce mutual vibration, and then send bigger
Noise.
Therefore, how vibration and noise reducing, is those skilled in the art's problem demanding prompt solution.
Utility model content
In view of this, this utility model provides a kind of cylinder head vibration-proof structure, in order to vibration and noise reducing.
This utility model additionally provides a kind of electromotor with above-mentioned cylinder head vibration-proof structure and cylinder head thereof.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of cylinder head vibration-proof structure, including chain chamber inwall and chain chamber outer wall, also includes:
It is arranged at the screwed hole on described chain chamber inwall；
It is arranged at the connecting hole on described chain chamber outer wall；
Run through described connecting hole and the damping bolt being connected with described screwed hole；
It is arranged at the damping washer between described connecting hole and described damping bolt.
Preferably, in above-mentioned cylinder head vibration-proof structure, described connecting hole is shoulder hole, described damping washer
Be arranged in the large diameter hole of described connecting hole, the small diameter bore of described damping bolt and described connecting hole it
Between there is gap.
Preferably, in above-mentioned cylinder head vibration-proof structure, described damping bolt has and described corresponding threaded holes
The thread segment that closes and to be positioned at described thread segment protruding near the stop of the head of described damping bolt.
Preferably, in above-mentioned cylinder head vibration-proof structure, described stop projection is protruding ring, its axis and institute
State the dead in line of thread segment.
Preferably, in above-mentioned cylinder head vibration-proof structure, described damping bolt also has joins with described connecting hole
The positioning section that closes and connect the protruding changeover portion with described positioning section of described stop；The diameter of described positioning section
More than described changeover portion and the diameter of described thread segment.
Preferably, in above-mentioned cylinder head vibration-proof structure, it is provided with between described changeover portion and described positioning section
Chamfering.
Preferably, in above-mentioned cylinder head vibration-proof structure, also include being arranged at described damping washer towards described
The steel washer of the side of the head of damping bolt.
Preferably, in above-mentioned cylinder head vibration-proof structure, described damping washer and described steel washer are integral type
Structure.
This utility model additionally provides a kind of cylinder head, including the cylinder head vibration damping as described in above-mentioned any one
Structure.
This utility model additionally provides a kind of electromotor, and including cylinder head, described cylinder head is described above
Cylinder head.
From above-mentioned technical scheme it can be seen that the cylinder head vibration-proof structure of this utility model offer, pass through
Chain chamber inwall and chain chamber outer wall are coupled together by damping bolt.In installation process, first by cushion blocking
Snare is located on damping bolt, then damping bolt ecto-entad is sequentially passed through the connection on chain chamber outer wall
Screwed hole on hole and chain chamber inwall, the end of damping bolt and the screwed hole screw thread on chain chamber inwall
Coordinate fixing, and damping washer is between damping bolt and connecting hole.In chain chamber inwall and chain chamber
Outer wall produces when mutually vibrating, and damping bolt is rigidly connected with chain chamber inwall, and damping bolt and chain
Chamber outer wall passes through damping washer vibration damping, and then reaches damping effect, effectively reduces noise.
This utility model additionally provides a kind of electromotor with above-mentioned cylinder head vibration-proof structure and cylinder thereof
Lid.Owing to above-mentioned cylinder head vibration-proof structure has above-mentioned technique effect, there is above-mentioned cylinder head vibration-proof structure
Electromotor and cylinder head also should have above-mentioned technique effect, the most tired at this state.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiments more of the present utility model, for ordinary skill people
From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
The schematic side view of the cylinder head vibration-proof structure that Fig. 1 provides for this utility model embodiment；
The cross-sectional schematic of the cylinder head vibration-proof structure that Fig. 2 provides for this utility model embodiment；
The structural representation of the damping bolt that Fig. 3 provides for this utility model embodiment.
Detailed description of the invention
The utility model discloses a kind of cylinder head vibration-proof structure, in order to vibration and noise reducing.This utility model
Additionally provide a kind of electromotor with above-mentioned cylinder head vibration-proof structure and cylinder head thereof.
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only this utility model one
Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into this
The scope of utility model protection.
Refer to Fig. 1, Fig. 2 and Fig. 3, the cylinder head vibration damping knot that Fig. 1 provides for this utility model embodiment
The schematic side view of structure；Fig. 2 shows for the section view of the cylinder head vibration-proof structure that this utility model embodiment provides
It is intended to；The structural representation of the damping bolt that Fig. 3 provides for this utility model embodiment.
This utility model embodiment provides a kind of cylinder head vibration-proof structure, including chain chamber inwall 1 and chain
Bar chamber outer wall 2, also includes: be arranged at the screwed hole on chain chamber inwall 1；It is arranged at chain chamber outer wall 2
On connecting hole；Run through connecting hole and the damping bolt 3 being connected with screwed hole；It is arranged at connecting hole and vibration damping
Damping washer 4 between bolt 3.
The cylinder head vibration-proof structure that this utility model embodiment provides, by damping bolt 3 by chain chamber
Wall 1 and chain chamber outer wall 2 couple together.In installation process, first damping washer 4 is sheathed on vibration damping
On bolt 3, then damping bolt 3 ecto-entad is sequentially passed through the connecting hole on chain chamber outer wall 2 and chain
Screwed hole in bar chamber interior walls 1, the end of damping bolt 3 and the screwed hole screw thread on chain chamber inwall 1
Coordinate fixing, and damping washer 4 is between damping bolt 3 and connecting hole.At chain chamber inwall 1 and
Chain chamber outer wall 2 produces when mutually vibrating, and damping bolt 3 is rigidly connected with chain chamber inwall 1, and subtracts
The bolt 3 that shakes passes through damping washer 4 vibration damping with chain chamber outer wall 2, and then reaches damping effect, effectively drops
Low noise.
Further, connecting hole is shoulder hole, and damping washer 4 is arranged in the large diameter hole of connecting hole,
Between damping bolt 3 and the small diameter bore of connecting hole, there is gap.By above-mentioned setting, facilitate vibration damping
The packing ring 4 location in connecting hole.
In the present embodiment, damping bolt 3 has thread segment 31, stops projection 32 and head 35.Screw thread
Section 31 and the corresponding threaded holes conjunction of chain chamber inwall 1, stop that protruding 32 are positioned at thread segment 31 near vibration damping
One end of the head 35 of bolt 3, install fixing after, stop protruding 32 with chain chamber inwall 1 towards
The one side location contact of chain chamber outer wall 2.It is effectively increased the locating effect of damping bolt 3.
In the present embodiment, preferably stop protruding 32 is set to protruding ring, its axis and thread segment 31
Dead in line.Can also will stop protruding 32 protruding blocks etc. being set to be positioned on thread segment 31 outer wall,
No longer it is discussed in detail at this.
Damping bolt 3 also has positioning section 34 and changeover portion 33, and positioning section 34 coordinates with connecting hole, mistake
The section of crossing 33 connects and stops projection 32 and positioning section 34；The diameter of positioning section 34 is more than changeover portion 33 and spiral shell
The diameter of stricture of vagina section 31.The diameter of positioning section 34 is more than changeover portion 33 and the diameter of thread segment 31, i.e. increases
The big diameter of positioning section 34, and then (damping washer 4 is sheathed to increase the inner wall size of damping washer 4
Outer wall in positioning section 34), the convenient size increasing damping washer 4, further increase effectiveness in vibration suppression.
In order to avoid stress is concentrated, between changeover portion 33 and positioning section 34, it is provided with chamfering.Can also set
Put fillet.
The cylinder head vibration-proof structure that this utility model embodiment provides also include being arranged at damping washer 4 towards
The steel washer 5 of the side of the head 35 of damping bolt 3.It is understood that damping washer 4 is flexible
Material, therefore could preferably play damping effect, but, damping washer 4 and the head of damping bolt 3
Portion 35 directly contacts the situation easily causing damping washer 4 to scrap because of friction loss, therefore, at vibration damping
Packing ring 4 is towards the steel washer 5 of the side of the head 35 of damping bolt 3, in order to improve damping washer 4
Service life.Wherein, preferably damping washer 4 is set to rubber washer.
For the ease of installing, in the present embodiment, damping washer 4 and steel washer 5 are integral type structure.By
Different from steel washer 5 material in damping washer 4, it is therefore preferable that by vulcanizing treatment mode by cushion blocking
Circle 4 and steel washer 5 connect as one formula structure.Can also will by ultrasonic bonding or the mode such as bonding
Damping washer 4 and steel washer 5 connect as one formula structure.
This utility model embodiment additionally provides a kind of cylinder head, subtracts including any one cylinder head the most above-mentioned
Shake structure.Owing to above-mentioned cylinder head vibration-proof structure has above-mentioned technique effect, there is above-mentioned cylinder head vibration damping
The cylinder head of structure also should have same technique effect, tires out the most one by one at this and states.
This utility model embodiment additionally provides a kind of electromotor, including above-mentioned cylinder head.Therefore, have
Same technique effect.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
This utility model.Multiple amendment to these embodiments will be aobvious for those skilled in the art
And be clear to, generic principles defined herein can be without departing from spirit or scope of the present utility model
In the case of, realize in other embodiments.Therefore, this utility model is not intended to be limited to institute herein
These embodiments shown, and it is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (10)
1. a cylinder head vibration-proof structure, including chain chamber inwall (1) and chain chamber outer wall (2), its
It is characterised by, also includes:
It is arranged at the screwed hole on described chain chamber inwall (1)；
It is arranged at the connecting hole on described chain chamber outer wall (2)；
Run through described connecting hole and the damping bolt (3) being connected with described screwed hole；
The damping washer (4) being arranged between described connecting hole and described damping bolt (3).
2. cylinder head vibration-proof structure as claimed in claim 1, it is characterised in that described connecting hole is rank
Ladder hole, described damping washer (4) is arranged in the large diameter hole of described connecting hole, described damping bolt (3)
And between the small diameter bore of described connecting hole, there is gap.
3. cylinder head vibration-proof structure as claimed in claim 1, it is characterised in that described damping bolt (3)
There is the thread segment (31) closed with described corresponding threaded holes and be positioned at described thread segment (31) near described
The stop of the head (35) of damping bolt (3) is protruding (32).
4. cylinder head vibration-proof structure as claimed in claim 3, it is characterised in that described stop is protruding (32)
Dead in line for protruding ring, its axis and described thread segment (31).
5. cylinder head vibration-proof structure as claimed in claim 3, it is characterised in that described damping bolt (3)
Also there is the positioning section (34) coordinated with described connecting hole and be connected described stop protruding (32) with described
The changeover portion (33) of positioning section (34)；The diameter of described positioning section (34) is more than described changeover portion (33)
And the diameter of described thread segment (31).
6. cylinder head vibration-proof structure as claimed in claim 5, it is characterised in that described changeover portion (33)
And described positioning section is provided with chamfering between (34).
7. cylinder head vibration-proof structure as claimed in claim 1, it is characterised in that also include being arranged at institute
State the steel washer (5) of the side of the damping washer (4) head (35) towards described damping bolt (3).
8. cylinder head vibration-proof structure as claimed in claim 7, it is characterised in that described damping washer (4)
It is integral type structure with described steel washer (5).
9. a cylinder head, it is characterised in that include the cylinder head as described in any one of claim 1-8
Vibration-proof structure.
10. an electromotor, including cylinder head, it is characterised in that described cylinder head is such as claim 9
Described cylinder head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620181322.5U CN205503292U (en) | 2016-03-09 | 2016-03-09 | Engine, cylinder head and cylinder head damping structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620181322.5U CN205503292U (en) | 2016-03-09 | 2016-03-09 | Engine, cylinder head and cylinder head damping structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205503292U true CN205503292U (en) | 2016-08-24 |
Family
ID=56728236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620181322.5U Active CN205503292U (en) | 2016-03-09 | 2016-03-09 | Engine, cylinder head and cylinder head damping structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205503292U (en) |
-
2016
- 2016-03-09 CN CN201620181322.5U patent/CN205503292U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lai Minjie Inventor after: Yuan Zhangping Inventor after: Lou Feng Inventor after: Zhu Changqin Inventor after: Wang Liangfeng Inventor after: Shu Guiming Inventor after: Zou Wenxue Inventor before: Lai Minjie Inventor before: Yuan Zhangping Inventor before: Lou Feng Inventor before: Zhu Changqin Inventor before: Wang Liangfeng Inventor before: Shu Guiming Inventor before: Zou Wenxue |