CN211549848U - Engine cylinder bottom with buffer structure - Google Patents
Engine cylinder bottom with buffer structure Download PDFInfo
- Publication number
- CN211549848U CN211549848U CN202020001046.6U CN202020001046U CN211549848U CN 211549848 U CN211549848 U CN 211549848U CN 202020001046 U CN202020001046 U CN 202020001046U CN 211549848 U CN211549848 U CN 211549848U
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- piston
- cylinder
- cylinder body
- cylinder bottom
- flange
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Abstract
The utility model discloses an engine cylinder end with buffer structure, the power distribution cylinder comprises a cylinder body, the cylinder body bottom is provided with the bent axle, and the inside first piston that is provided with of cylinder body, first piston lower extreme is connected with the bent axle, the cylinder body top sets up the cylinder bottom lid, and the cylinder bottom lid left and right sides runs through intake valve and exhaust valve respectively, and the intake valve setting is in the exhaust valve left side simultaneously, the cylinder bottom lid rear side runs through there is the spark plug, and the cylinder bottom top is provided with the recess, inside second piston and the hydraulic damper of being provided with of recess, and the hydraulic damper lower extreme is connected with second piston top. The engine cylinder bottom with the buffer structure is provided with the groove, the second piston and the hydraulic damper, the spark plug ignites atomized oil, gas in the cylinder body expands instantly, the expanded gas pushes the first piston to move downwards along the cylinder body, a gap between the cylinder bottom cover and the cylinder body is enlarged, and meanwhile the hydraulic damper absorbs kinetic energy to play a role in reducing instantaneous pressure and protecting the cylinder bottom cover.
Description
Technical Field
The utility model relates to an engine cylinder end technical field specifically is an engine cylinder end with buffer structure.
Background
The engine is a power output machine and widely applied to power systems of various vehicles, and the cylinder bottom of the engine is a sealing connecting device and is mainly used for sealing the engine.
The existing engine cylinder bottom is not provided with a buffer device, the inside of an engine cylinder pushes a crankshaft to rotate through continuous detonation reaction, the detonation reaction can generate huge instantaneous pressure instantaneously, the engine cylinder bottom is extruded by the instantaneous pressure for a long time, the engine cylinder bottom is easy to deform and damage, leakage accidents are caused, the existing engine cylinder bottom and the existing engine cylinder body are connected with a nut through a bolt in a matching mode, the contact area of the bolt and the nut is small, the pressure born by the bolt is large, the bolt is easy to lose efficacy due to metal fatigue, and aiming at the problems, the existing equipment needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an engine cylinder end with buffer structure, at the bottom of with the current engine cylinder that proposes in solving above-mentioned background art is not provided with buffer, the cylinder of engine is inside to promote the bent axle rotation through continuously taking place the detonation reaction, and the detonation reaction can produce huge instantaneous pressure in the twinkling of an eye, at the bottom of the engine cylinder is extruded by instantaneous pressure for a long time, lead to the deformation damage at the bottom of the engine cylinder easily, cause the leakage accident, and be connected through bolt and nut cooperation between current engine cylinder end and the cylinder body, but the area of contact of bolt and nut is little, make the pressure that the bolt bore big, lead to the problem that the bolt became invalid because of metal fatigue easily.
In order to achieve the above object, the utility model provides a following technical scheme: an engine cylinder bottom with a buffer structure comprises a cylinder body, wherein a crankshaft is arranged at the bottom of the cylinder body, a first piston is arranged in the cylinder body, the lower end of the first piston is connected with the crankshaft, a cylinder bottom cover is arranged at the top of the cylinder body, an inlet valve and an exhaust valve are respectively penetrated through the left side and the right side of the cylinder bottom cover, meanwhile, the intake valve is arranged on the left side of the exhaust valve, a spark plug penetrates through the rear side of the cylinder bottom cover, a groove is arranged at the top of the cylinder bottom, a second piston and a hydraulic damper are arranged in the groove, the lower end of the hydraulic damper is connected with the top of the second piston, a sliding groove is arranged on the outer side of the top of the cylinder body, a gasket is arranged inside the sliding groove, a flange is arranged on the outer side of the bottom of the cylinder bottom cover and is arranged inside the sliding groove, meanwhile, the flange is arranged above the gasket, bolts penetrate through the front side and the rear side of the right end of the flange, and the bolts are connected with the top of the cylinder body.
Preferably, the first piston and the cylinder are connected in a sliding manner, and the first piston, the cylinder and the crankshaft form a slider-crank mechanism.
Preferably, a sliding mechanism is formed between the second piston and the groove, and the second piston is in sealing connection with the groove.
Preferably, the connection mode of spout and flange is sliding connection, and spout and flange all are preceding wide back narrow form setting.
Preferably, the outer end of the flange is attached to the inner wall of the sliding groove, and the lower end of the flange is in sealing connection with the gasket.
Preferably, the outer end of the flange is attached to the inner wall of the sliding groove, and the lower end of the flange is in sealing connection with the gasket.
Compared with the prior art, the beneficial effects of the utility model are that: the engine cylinder bottom with the buffer structure is provided with a cylinder head,
(1) the groove, the second piston and the hydraulic damper are arranged, the spark plug ignites atomized oil to enable gas in the cylinder body to expand instantly, the expanded gas pushes the first piston to move downwards along the cylinder body, meanwhile, the second piston moves upwards along the groove, the second piston compresses the hydraulic damper to increase a gap between the cylinder bottom cover and the cylinder body, and meanwhile, the hydraulic damper absorbs kinetic energy to play a role in reducing instantaneous pressure and protecting the cylinder bottom cover;
(2) be provided with the spout, flange and gasket, the flange of cylinder bottom lid bottom is followed the spout front end and is slided backward, until flange outer end laminating spout inner wall, flange lower extreme laminating gasket surface, spout and flange all are preceding wide back narrow form simultaneously, along with flange backward movement, the flange is inseparabler with being connected of spout, the rotation bolt, the bolt promotes the flange and moves backward, it is inseparabler to make the flange be connected with the spout, bear pressure through the mode of spout and flange block, the area of contact of cylinder bottom lid with the cylinder body junction has been increased, it fastens more to make cylinder bottom lid and cylinder body be connected.
Drawings
FIG. 1 is a schematic view of the cross-sectional structure of the present invention;
FIG. 2 is a schematic view of a cross-sectional structure of a cylinder bottom cover in a left side view;
FIG. 3 is a schematic top view of a cross-sectional structure of a cylinder bottom cover according to the present invention;
fig. 4 is a schematic top view of the present invention;
fig. 5 is a schematic view of the sectional structure on the left side of the groove of the present invention.
In the figure: 1. the piston comprises a cylinder body, 2, a crankshaft, 3, a first piston, 4, a cylinder bottom cover, 5, an inlet valve, 6, an exhaust valve, 7, a spark plug, 8, a groove, 9, a second piston, 10, a hydraulic damper, 11, a sliding groove, 12, a gasket, 13, a flange, 14 and a bolt.
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. 1-5, the present invention provides a technical solution: an engine cylinder bottom with a buffering structure is disclosed, as shown in fig. 1, fig. 2 and fig. 4, a crankshaft 2 is arranged at the bottom of a cylinder body 1, a first piston 3 is arranged inside the cylinder body 1, the first piston 3 is connected with the cylinder body 1 in a sliding manner, the first piston 3, the cylinder body 1 and the crankshaft 2 form a crank-slider mechanism, the first piston 3 slides along the inside of the cylinder body 1 so that the first piston 3 can push the crankshaft 2 to rotate, the lower end of the first piston 3 is connected with the crankshaft 2, a cylinder bottom cover 4 is arranged at the top of the cylinder body 1, an intake valve 5 and an exhaust valve 6 are respectively penetrated through the left side and the right side of the cylinder bottom cover 4, the intake valve 5 is arranged at the left side of the exhaust valve 6, a spark plug 7 is penetrated through the rear side of the cylinder bottom cover 4, a groove 8 is arranged at the top of the cylinder bottom, a second piston 9 and a hydraulic damper 10 are arranged, a sliding mechanism is formed between the second piston 9 and the groove 8, the second piston 9 is in sealing connection with the groove 8, and the second piston 9 slides along the groove 8 to increase a gap between the cylinder bottom cover 4 and the cylinder body 1.
As shown in fig. 1, 3 and 5, a sliding groove 11 is provided on the outer side of the top of the cylinder body 1, a gasket 12 is provided inside the sliding groove 11, the sliding groove 11 is connected with a flange 13 in a sliding manner, the sliding groove 11 and the flange 13 are both arranged in a manner that the front is wide and the back is narrow, as the flange 13 slides backwards along the sliding groove 11, the connection between the sliding groove 11 and the flange 13 becomes tighter and tighter, a flange 13 is provided on the outer side of the bottom of the cylinder bottom cover 4, the flange 13 is arranged inside the sliding groove 11, the flange 13 is arranged above the gasket 12, the outer end of the flange 13 is arranged to be attached to the inner wall of the sliding groove 11, the lower end of the flange 13 forms a sealing connection with the gasket 12, so as to seal the cylinder body 1, bolts 14 penetrate through the front and back sides of the right end of the flange 13, and the bolts 14 are connected with the top of the cylinder body 1, two bolts 14 are arranged, turning the bolt 14, the bolt 14 pushes the flange 13 to slide backwards along the chute 11, so that the connection between the flange 13 and the chute 11 is more secure.
The working principle is as follows: when the engine cylinder bottom with the buffer structure is used, firstly, the flange 13 slides backwards along the front end of the sliding chute 11, the sliding chute 11 and the flange 13 are arranged in a shape that the front part is wide and the back part is narrow, as the flange 13 slides backwards, the connection between the flange 13 and the sliding chute 11 is tighter until the lower end of the flange 13 is jointed with the gasket 12, the bolt 14 is rotated, the bolt 14 pushes the flange 13 to move backwards, so that the flange 13 and the sliding chute 11 are connected and fastened, atomized oil is put in through the air inlet valve 5, a vehicle-mounted power supply is switched on, the spark plug 7 is started, the atomized oil is ignited by the spark plug 7, the atomized oil is deflagrated, gas in the cylinder body 1 is heated, the gas is expanded instantly, the expanded gas pushes the first piston 3 to slide downwards along the cylinder body 1, the first piston 3 pushes the crankshaft 2 to rotate, meanwhile, the second piston 9 slides upwards along the groove 8, the hydraulic damper 10 contracts and absorbs kinetic, which functions to protect the cylinder bottom cover 4 and the exhaust gases subsequently leave the cylinder block 1 through the exhaust valve 6, and which performs all the work, which is not described in detail in this description and is known to the person skilled in the art.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. An engine cylinder bottom with a buffer structure, comprising a cylinder body (1), characterized in that: the cylinder is characterized in that a crankshaft (2) is arranged at the bottom of the cylinder body (1), a first piston (3) is arranged in the cylinder body (1), the lower end of the first piston (3) is connected with the crankshaft (2), a cylinder bottom cover (4) is arranged at the top of the cylinder body (1), an air inlet valve (5) and an air outlet valve (6) are respectively penetrated through the left side and the right side of the cylinder bottom cover (4), the air inlet valve (5) is arranged at the left side of the air outlet valve (6), a spark plug (7) is penetrated through the rear side of the cylinder bottom cover (4), a groove (8) is arranged at the top of the cylinder bottom, a second piston (9) and a hydraulic damper (10) are arranged in the groove (8), the lower end of the hydraulic damper (10) is connected with the top of the second piston (9), a sliding groove (11) is arranged on the outer side of the top of the cylinder body (1), a gasket (12), and the flange (13) is arranged in the sliding groove (11), meanwhile, the flange (13) is arranged above the gasket (12), bolts (14) penetrate through the front side and the rear side of the right end of the flange (13), and the bolts (14) are connected with the top of the cylinder body (1).
2. An engine cylinder bottom with a cushion structure according to claim 1, characterized in that: the first piston (3) is connected with the cylinder body (1) in a sliding mode, and the first piston (3), the cylinder body (1) and the crankshaft (2) form a crank block mechanism.
3. An engine cylinder bottom with a cushion structure according to claim 1, characterized in that: a sliding mechanism is formed between the second piston (9) and the groove (8), and the second piston (9) is in sealing connection with the groove (8).
4. An engine cylinder bottom with a cushion structure according to claim 1, characterized in that: the connecting mode of the sliding chute (11) and the flange (13) is sliding connection, and the sliding chute (11) and the flange (13) are arranged in a shape that the front part is wide and the back part is narrow.
5. An engine cylinder bottom with a cushion structure according to claim 1, characterized in that: the outer end of the flange (13) is attached to the inner wall of the sliding groove (11), and the lower end of the flange (13) is in sealing connection with the gasket (12).
6. An engine cylinder bottom with a cushion structure according to claim 1, characterized in that: the two bolts (14) are arranged, the two bolts (14) are symmetrically arranged by taking the center of the cylinder bottom cover (4) as the center, and meanwhile, the bolts (14) are in threaded connection with the cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020001046.6U CN211549848U (en) | 2020-01-02 | 2020-01-02 | Engine cylinder bottom with buffer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020001046.6U CN211549848U (en) | 2020-01-02 | 2020-01-02 | Engine cylinder bottom with buffer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211549848U true CN211549848U (en) | 2020-09-22 |
Family
ID=72489353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020001046.6U Expired - Fee Related CN211549848U (en) | 2020-01-02 | 2020-01-02 | Engine cylinder bottom with buffer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211549848U (en) |
-
2020
- 2020-01-02 CN CN202020001046.6U patent/CN211549848U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 Termination date: 20220102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |