CN205206977U - Engine knock protection device reaches engine cylinder and engine including it - Google Patents
Engine knock protection device reaches engine cylinder and engine including it Download PDFInfo
- Publication number
- CN205206977U CN205206977U CN201521016016.8U CN201521016016U CN205206977U CN 205206977 U CN205206977 U CN 205206977U CN 201521016016 U CN201521016016 U CN 201521016016U CN 205206977 U CN205206977 U CN 205206977U
- Authority
- CN
- China
- Prior art keywords
- engine
- cylinder
- pressure cavity
- break
- capsule components
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides an engine knock protection device, its hydraulic pressure chamber or atmospheric pressure chamber that includes the piston department of fixed mounting in the cylinder, this hydraulic pressure chamber or atmospheric pressure chamber include the cavity part of two at least intercommunications, it passes through the break -make part and realizes along the axial arrangement of cylinder, the break -make between the cavity part. Simultaneously the utility model also provides an engine cylinder and the engine that have this engine knock protection device. The utility model provides a problem that risees of the instantaneous combustion pressure that results in because of early fire among the prior art, protected spare part and engine in the engine not to receive the damage, reduced the emergence probability of early fire of follow -up endless and knockings simultaneously.
Description
Technical field
The utility model relates to technical field of engines, in particular to a kind of engine knock protective gear and the cylinder and the motor that comprise it.
Background technique
Motor is a kind of is the machine of mechanical energy by chemical energy, and in fact its conversion process is exactly the process of work cycle.In simple terms, be exactly by the fuel in combustion cylinders, produce kinetic energy, drive the to-and-fro motion of the piston in cylinder, the connecting rod be connected on piston is driven to make reciprocal circular movement with the crank that connecting rod is connected therewith around crankshaft center thus, thus outputting power.
In existing motor, petrol engine is wherein comparatively typical and uses comparatively widely, is characterized in that rotating speed is high, structure is simple, quality is light, cheap, smooth running, easy maintenance.Petrolic working principle is using gasoline as fuel, can change into kinetic energy by interior.Because gasoline viscosity is little, evaporation is fast, with gasoline injection system, gasoline can be sprayed into cylinder, after the temperature and pressure that overcompression reaches certain, by spark ignitor, make gas expansion for doing work.
But in routine use and test, we find, before plug ignition, just You Liaoyige combustion centre firing chamber in, this combustion centre is referred to as in the industry premature ignition or early fiery usually.Study carefully the reason that it is formed, mainly because the temperature of some component in firing chamber is too high, cause the air-fuel mixture of surrounding and spontaneous combustion occurs.
In addition, because petrolic main feature is high rotating speed, high-performance, so the pressure of its in-cylinder combustion is higher, anxious acceleration easily produces high Pressure Rise Rate, adds the probability that early fire occurs in it, thus phenomenon of blasting.Meanwhile, the oil droplet carried into cylinder due to the machining accuracy of the firing chamber internal surface of some motors and triton is difficult to accurately control, and therefore it is not good to the control effects of early fiery phenomenon yet, very easily produces early fiery phenomenon yet.
Thus, after plug ignition, the explosion phenomenon that early fire causes will make the combustion centre in firing chamber be increased to two, and the edge of Liang Ge combustion centre can produce mutual shock, the pressure that deflagrates in firing chamber is raised, thus damage the component such as piston, connecting rod, directly will cause the damage of motor in the course of time; The rising of pressure of simultaneously deflagrating also can add the fire and the probability of happening of pinking morning of following cycle.
Model utility content
Given this; the utility model provides a kind of engine knock protective gear and comprises its cylinder and motor; be intended to solve the problem of the pressure rising that deflagrates caused because of early fiery in prior art; protect in-engine component and motor not to be damaged, reduce the fire and the probability of happening of pinking morning of following cycle simultaneously.
An aspect; the utility model provides a kind of engine knock protective gear; it comprises hydraulic pressure cavity or the atmospheric pressure cavity at the piston place be fixedly installed in cylinder; this hydraulic pressure cavity or atmospheric pressure cavity comprise at least two capsule components be communicated with; it is along the axially-aligned of cylinder, and the break-make between capsule components is realized by break-make parts.
Further, above-mentioned capsule components is separated to form in hydraulic pressure cavity or atmospheric pressure cavity.
Further, be provided with dividing plate in above-mentioned hydraulic pressure cavity or atmospheric pressure cavity, this dividing plate is separated out capsule components in hydraulic pressure cavity or atmospheric pressure cavity, and break-make parts are the through hole offered on dividing plate, and capsule components realizes being communicated with by this through hole.
Alternatively, above-mentioned capsule components is independently arranged, and break-make parts are the pipeline be communicated with between capsule components.
Further, above-mentioned break-make parts are valve.
Further, above-mentioned, valve is pressure regulator valve.
Again on the one hand, the utility model additionally provides a kind of cylinder, comprises cylinder body and is arranged at the piston in this cylinder body, this piston is installed with above-mentioned engine knock protective gear.
Again on the one hand, the utility model additionally provides a kind of motor, comprises engine body, is provided with above-mentioned cylinder in this engine body.
The engine knock protective gear that the utility model provides; by arranging cavity on piston; this cavity specifically can be selected to implement between hydraulic pressure cavity or atmospheric pressure cavity; and there are in this cavity at least two be communicated with and the capsule components of axially-aligned along cylinder, between it, realize break-make by break-make parts.After there is fiery phenomenon morning in combustion system, namely after the situation of super detonation appears in motor, the in-cylinder combustion pressure of superelevation is produced immediately in the firing chamber of cylinder, appearance of abnormal pressure in cylinder, open break-make parts, realize through-flow between capsule components, flow in the liquid in the capsule components of top (namely closer to top of combustion chamber) or gas capsule components downwards, overcome the pressure that burning produces thus; When burning tends towards stability, in-cylinder pressure recovers normal level, and the backflow in capsule components upward again of the liquid in the capsule components of below or gas, again closes break-make parts after backflow completes.Therefore, this device has the following advantages:
1) in real time and directly dissolved the in-cylinder combustion pressure of the instantaneous superelevation that early fire produces, avoid superelevation in-cylinder combustion pressure to the infringement of the component such as piston, connecting rod;
2) reduce the in-cylinder combustion pressure of superelevation when morning, fire produced, thus reduce the compression ratio in the firing chamber of cylinder, thus the morning reducing following cycle is fiery and pinking probability.
The cylinder that the utility model provides in addition and motor, owing to have employed above-mentioned engine knock protective gear, therefore possessed aforesaid advantage equally, do not repeated them here.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and is not thought restriction of the present utility model.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Engine knock protective gear (the being installed on piston place) structural representation under a kind of mode of execution that Fig. 1 provides for the utility model embodiment;
The operating diagram of engine knock protective gear when there is pinking that Fig. 2 provides for the utility model embodiment;
The operating diagram of engine knock protective gear after pinking terminates that Fig. 3 provides for the utility model embodiment;
The structural representation of engine knock protective gear under another kind of mode of execution that Fig. 4 provides for the utility model embodiment.
Embodiment
Below with reference to accompanying drawings exemplary embodiment of the present disclosure is described in more detail.Although show exemplary embodiment of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the embodiment that sets forth here.On the contrary, provide these embodiments to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
Engine knock protective gear embodiment:
See Fig. 1 to Fig. 3, there is shown the preferred structure of the engine knock protective gear that the utility model embodiment provides.This engine knock protective gear comprises the hydraulic pressure cavity 2 at piston 11 place be fixedly installed in cylinder 1, and this hydraulic pressure cavity 2 comprises two capsule components 21 be communicated with, and it is along the axially-aligned of cylinder 1, and the break-make between capsule components 21 is realized by break-make parts 22.
Wherein, hydraulic pressure cavity 2 is specifically as follows the form of a cylinder body or casing, staving, and it can be fixedly connected on the end face of piston 11 by modes such as welding, be spirally connected; Or be arranged in piston 11 the mode such as to be embedded, but act in hydraulic pressure cavity 2 in order to ensure to cylinder 1 internal pressure, preferably some is exposed to piston 11 surface.
Capsule components 21 can also be set to three or more as required, structurally to form the more cavity that can be interconnected, also can obtain the same or better effect.
The engine knock protective gear that the present embodiment provides, by arranging a hydraulic pressure cavity on piston, and has two and is communicated with and the capsule components of axially-aligned along cylinder, realize break-make between it by break-make parts in this hydraulic pressure cavity.After there is fiery phenomenon morning in combustion system, namely after the situation of super detonation appears in motor, the in-cylinder combustion pressure of superelevation is produced immediately in the firing chamber of cylinder, appearance of abnormal pressure in cylinder, open break-make parts, realize through-flow between capsule components, the capsule components of top (namely closer to top of combustion chamber) (can as buffer cavity, rise buffer function) in liquid capsule components downwards (can as oil sources chamber, play oil storage effect) interior inflow, overcome the pressure that burning produces thus; When burning tends towards stability, in-cylinder pressure recovers normal level, and the backflow in capsule components upward again of the liquid in the capsule components of below or gas, again closes break-make parts after backflow completes.Therefore, this device has the following advantages:
1) in real time and directly dissolved the in-cylinder combustion pressure of the instantaneous superelevation that early fire produces, avoid superelevation in-cylinder combustion pressure to the infringement of the component such as piston, connecting rod;
2) reduce the in-cylinder combustion pressure of the superelevation that early fire produces, thus reduce the compression ratio in the firing chamber of cylinder, thus the morning reducing following cycle is fiery and pinking probability.
See Fig. 2 to Fig. 3, multiple capsule components 21 is separated to form in hydraulic pressure cavity 2.For a specific example, can be provided with dividing plate 23 in hydraulic pressure cavity 2, this dividing plate 23 is separated out above-mentioned multiple capsule components 21 in hydraulic pressure cavity 2, and this dividing plate 23 also offers through hole 231, and capsule components 21 realizes being communicated with by this through hole 231.Certainly, also can realize separating by alternate manner, such as, by hydraulic pressure cavity 2 is made special shape, such as, make 8-shaped, so also realize the object being separated by two or more capsule components 21 in a hydraulic pressure cavity 2.
See Fig. 4, substituting as above-mentioned mode of execution, all right directly independent setting of above-mentioned multiple capsule components 21, namely as independently multiple cavity existence, is communicated with by pipeline 24 between capsule components 21, also can obtains the same effect.
In addition, hydraulic pressure cavity 2, in some other mode of execution, can also substitute it with atmospheric pressure cavity as required and implement, also can obtain the same effect.
See Fig. 2 to Fig. 3, break-make parts 22 are specifically as follows valve, and it is arranged at the connectivity part between capsule components 21, for the formation of the break-make between capsule components 21.And in order to improve the convenience of operation, this valve is specifically as follows pressure regulator valve, automatically opened and closed by the pressure change of capsule components 21.
Except adopting the mode of valve to realize break-make, break-make parts 22 can also adopt other modes, such as can the plate body etc. of folding, can obtain the same effect.But in order to ensure the convenience operated, valve, particularly pressure regulator valve are comparatively preferred.
Cylinder embodiment:
The present embodiment also proposed a kind of cylinder, and as shown in Figure 1, other is identical with engine air cylinder structure of the prior art, does not repeat them here, and improvements are installed above-mentioned engine knock protective gear at piston 11.
Engine embodiments:
The present embodiment also proposed a kind of motor, does not provide diagram, and other is identical with engine structure of the prior art, does not repeat them here, and improvements are be provided with above-mentioned cylinder in engine body.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (8)
1. engine knock protective gear; it is characterized in that; comprise hydraulic pressure cavity (2) or the atmospheric pressure cavity at piston (11) place be fixedly installed in cylinder (1); described hydraulic pressure cavity (2) or atmospheric pressure cavity comprise at least two capsule components (21) be communicated with; it is along the axially-aligned of described cylinder (1), and the break-make between described capsule components (21) is realized by break-make parts (22).
2. engine knock protective gear according to claim 1, is characterized in that, described capsule components (21) is separated to form in described hydraulic pressure cavity (2) or atmospheric pressure cavity.
3. engine knock protective gear according to claim 2; it is characterized in that; dividing plate (23) is provided with in described hydraulic pressure cavity (2) or atmospheric pressure cavity; described dividing plate (23) is separated out described capsule components (21) in described hydraulic pressure cavity (2) or atmospheric pressure cavity; described break-make parts (22) are the through hole (231) offered on described dividing plate (23), and described capsule components (21) realizes being communicated with by described through hole (231).
4. engine knock protective gear according to claim 1; it is characterized in that; described capsule components (21) is independent to be arranged, and described break-make parts (22) are the pipeline (24) be communicated with between described capsule components (21).
5. engine knock protective gear according to claim 1, is characterized in that, described break-make parts (22) are valve.
6. engine knock protective gear according to claim 5, is characterized in that, described valve is pressure regulator valve.
7. cylinder, comprises cylinder body and is arranged at the piston (11) in described cylinder body, it is characterized in that, the upper fixed installation of described piston (11) described engine knock protective gear arbitrary just like claim 1-6.
8. motor, comprises engine body, it is characterized in that, is provided with cylinder as claimed in claim 7 in described engine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521016016.8U CN205206977U (en) | 2015-12-09 | 2015-12-09 | Engine knock protection device reaches engine cylinder and engine including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521016016.8U CN205206977U (en) | 2015-12-09 | 2015-12-09 | Engine knock protection device reaches engine cylinder and engine including it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205206977U true CN205206977U (en) | 2016-05-04 |
Family
ID=55844702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521016016.8U Expired - Fee Related CN205206977U (en) | 2015-12-09 | 2015-12-09 | Engine knock protection device reaches engine cylinder and engine including it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205206977U (en) |
-
2015
- 2015-12-09 CN CN201521016016.8U patent/CN205206977U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204060930U (en) | Four stroke engine | |
| JP2010285977A (en) | Built-in compressor type six-stroke engine exclusive for hydrogen | |
| CN103195565A (en) | Labor-saving engine | |
| CN1831310A (en) | Paired pendulum piston engine | |
| CN205206977U (en) | Engine knock protection device reaches engine cylinder and engine including it | |
| CN106930825A (en) | Without compression engine | |
| CN102996236B (en) | Torus sample cylinder ring turns piston engine | |
| CN103925075A (en) | Multi-cycle internal combustion engine | |
| CN103104339A (en) | Diesel engine combustion device capable of changing clearance volume | |
| CN201908721U (en) | Vane engine | |
| EP2990625A1 (en) | Four-stroke engine | |
| CN201461081U (en) | Engine | |
| CN101255817B (en) | Environment protection type internal combustion engine | |
| CN102588100A (en) | Two-stroke engine with double cylinders | |
| CN104061067A (en) | Novel rotor engine | |
| CN110307084A (en) | A kind of tangent line non-resinous irreversible engine of modularized design | |
| CN202510215U (en) | Double-cylinder two-stroke engine | |
| CN203906088U (en) | Efficient internal combustion engine | |
| CN200940513Y (en) | Pair moving pendulum piston engine | |
| CN110344936B (en) | High-speed flywheel generator | |
| CN203584571U (en) | Rotary engine | |
| CN101858253A (en) | Pulse detonation internal combustion engine | |
| CN106870122B (en) | More sprays rushes flywheel type engine | |
| CN106609699A (en) | Internal combustion engine work method and nitride engine | |
| CN106194408A (en) | The combustor of the internal combustion engine with explosive as fuel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180514 Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing treasure Car Co.,Ltd. Address before: 102206, Beijing, Shahe Town, Changping District Road, sand Yang Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing baowo Automobile Co.,Ltd. Address before: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee before: Beijing treasure Car Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20211209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |