CN201751551U - Lateral pressure-free engine with superimposed cylinder - Google Patents
Lateral pressure-free engine with superimposed cylinder Download PDFInfo
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- CN201751551U CN201751551U CN2010202149802U CN201020214980U CN201751551U CN 201751551 U CN201751551 U CN 201751551U CN 2010202149802 U CN2010202149802 U CN 2010202149802U CN 201020214980 U CN201020214980 U CN 201020214980U CN 201751551 U CN201751551 U CN 201751551U
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- cylinder
- connecting rod
- piston
- connecting rods
- hinged
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Abstract
The utility model discloses a lateral pressure-free engine with a superimposed cylinder, relating to engines. The utility model provides a lateral pressure-free engine with a superimposed cylinder, which can prevent a piston from generating a lateral pressure to the inner wall of the cylinder and has the advantages of small friction loss, simple and compact structure, convenient manufacture and maintenance and high specific power. The lateral pressure-free engine with the superimposed cylinder comprises a crankshaft, a cylinder, a piston and a connecting rod, wherein the cylinder consists of an upper cylinder and a lower cylinder; the upper and the lower cylinders are superimposed and connected in series and have the same axial lead; the piston is provided with an upper piston and a lower piston; the upper and the lower pistons are respectively arranged in the upper and the lower cylinders and provided with piston pin shafts; the connecting rod is provided with two same upper connecting rods and two lower connecting rods; the upper connecting rods are symmetrically arranged at the outer side of the upper cylinder; the upper ends of the upper connecting rods are articulated with the two ends of the piston pin shaft of the upper piston; the lower ends of the upper connecting rods are articulated with the two ends of the piston pin shaft of the lower piston; the two lower connecting rods are symmetrically arranged at the outer side of the lower cylinder; the upper ends of the lower connecting rods are articulated with the two ends of the piston pin shaft of the lower piston; the lower ends of the lower connecting rods are in linkage connection with the crankshaft; the outer wall of the lower cylinder is provided with connecting rod guide rails arranged symmetrically; and the upper and the lower ends of the lower connecting rods are arranged in the connecting rod guide rails.
Description
Technical field
The utility model relates to motor, especially relates to a kind of side pressure-free engine with superposed cylinders.
Background technique
From the structure of motor, conventional engines is because the structure of common connecting rod is limit, and the expansion stroke of motor and compression stroke are that piston all has bigger lateral forces to cylinder inner wall.Because the distortion and the wearing and tearing of cylinder and piston have been quickened in the existence of lateral force, wearing and tearing have just directly influenced the sealing of cylinder for a long time, and sealing is poor more, and the performance of motor, efficient and life-span will reduce greatly.In addition, for multicylinder engine, the design of many more bent axles of cylinder number and cylinder block and difficulty of processing are also just big more, complicated more, and cost and metal consumption are also high, also increased simultaneously the quantity of connecting rod and rotatable parts, the problem of thereupon bringing is exactly the frictional loss rising in the motor.If can eliminate or reduce engine cylinder inner carrier lateral force, reduce frictional loss, efficient and the life-span that will improve motor greatly.
Publication number is that 200810187297.1 application for a patent for invention discloses a kind of engine with external connecting rod, comprise: cylinder, piston, link, sliding motion structure spare, described piston connects with described link, described link connects with described sliding motion structure spare, described sliding motion structure spare rotates with external connecting rod and connects, described external connecting rod rotates with external bent axle and connects, and described external bent axle is made as overhead type or side-mounted.This invents described piston does not have lateral forces to described cylinder, can realize big stroke, and friction loss is little.But the piston combination of this opposite disposed is not difficult to manufacturing, and when using the work of 2 connecting rods, it is oversize to become piston combination to stride horizontal degree by four piston in combination.When each firing chamber not at the same time when work done or detonation, the piston combination discontinuity still can make piston combination crooked, thereby makes piston combination and cylinder wall collision friction like this.From engineering mechanics, if when using single connecting rod, the bearing of connecting rod also can make the bearing of connecting rod fragile in use for some time because of discontinuity.Therefore difficult processing of this external connecting rod structure and working life are not long.
Summary of the invention
The purpose of this utility model provides a kind of piston of avoiding cylinder inner wall is produced lateral pressure, and frictional loss is little, simple and compact for structure, the side pressure-free engine with superposed cylinders convenient, that specific power is high is safeguarded in manufacturing.
The utility model comprises bent axle, cylinder, piston and connecting rod, and its characteristics are: cylinder is made up of upper cylinder and lower cylinder, the stacked polyphone of upper cylinder and lower cylinder, upper cylinder and lower cylinder coaxial inner conductor; Piston is provided with upper piston and lower piston, and upper piston is located in the upper cylinder, and lower piston is located in the lower cylinder, and upper piston and lower piston are equipped with gudgeon pin shaft; Connecting rod is provided with identical 2 last connecting rods and 2 identical lower links, go up connecting rod for 2 and be symmetrically set in the outer side of upper cylinder, 2 upper ends of going up connecting rod are hinged with the gudgeon pin shaft two ends of upper piston respectively, 2 lower ends of going up connecting rod are hinged with the gudgeon pin shaft two ends of lower piston respectively, 2 lower links are symmetrically set in the outer side of lower cylinder, the upper end of 2 lower links is hinged with the gudgeon pin shaft two ends of lower piston respectively, and the lower end of 2 lower links is connected with bent axle respectively; The lower cylinder outer wall is provided with the connecting rod guide rail of symmetric arrangement, and the upper end of 2 lower links is arranged in the connecting rod guide rail, and 2 lower ends of going up connecting rod also are arranged in the connecting rod guide rail.
Described cylinder is split-type structural preferably, is provided with upper body, middle body and 3 parts of lower body, and upper body and middle body constitute upper cylinder, and middle body and lower body constitute lower cylinder.
Described 2 lower ends of going up connecting rod preferably are equipped with slide block, and the lower end of slide block and last connecting rod is hinged, and slide block and described connecting rod guide rail are slidingly matched.
Described 2 last connecting rods preferably are equipped with guide pin bushing, and guide pin bushing is enclosed within on the connecting rod, and guide pin bushing is fixed in the upper cylinder outer wall.
The lower end of described 2 lower links all is connected with bent axle, is that the lower end and the bent axle of 2 lower links is hinged; Or below 2 lower links, be provided with 1 connecting rod, and the lower end of 2 lower links all is connected with connecting rod, and connecting rod and 2 drive connecting rod are hinged, and 2 drive connecting rod and bent axle are hinged.
Compared with the prior art, the beneficial effects of the utility model are:
During the utility model work, lower link drives gudgeon pin shaft and lower piston pumps, and the lateral force that is produced can be carried on the connecting rod guide rail, so just can eliminate the lateral pressure of lower piston to the lower cylinder inwall.And go up the constraint that connecting rod is subjected to connecting rod guide rail and guide pin bushing, and can keep straight reciprocating motion, upper piston just can not produce lateral pressure to upper cylinder like this, and the damage of reducing friction improves fuel efficiency.In addition, the utility model rotatable parts are few, compact structure, specific power height, make safeguard convenient.
Description of drawings
Fig. 1 is the utility model embodiment 1 a structural representation.
Fig. 2 is one of the utility model embodiment 1 an application examples schematic representation.
Fig. 3 is two schematic representation of the utility model embodiment 1 application examples.
Fig. 4 is the schematic top plan view of Fig. 3.
Fig. 5 is three schematic representation of the utility model embodiment 1 application examples.
Embodiment
Referring to Fig. 1 and 2, the utility model comprises bent axle P, and cylinder is a split-type structural, is provided with upper body 11, middle body 12 and 13 3 parts of lower body, and upper body 11 constitutes upper cylinder 1 with middle body 12, and middle body 12 constitutes lower cylinder 2 with lower body 13.Upper cylinder 1 and lower cylinder 2 stacked polyphones, upper cylinder 1 and lower cylinder 2 coaxial inner conductors.Upper piston 3 is located in the upper cylinder 1, and lower piston 4 is located in the lower cylinder 2.Upper piston 3 is provided with gudgeon pin shaft 31, and lower piston 4 is provided with gudgeon pin shaft 41.Go up connecting rod 5 for identical 2 and be symmetrically set in upper cylinder 1 outer side, 2 upper ends of going up connecting rod 5 are hinged with gudgeon pin shaft 31 two ends of upper piston 3 respectively, go up connecting rod 5 for 2 and are equipped with guide pin bushing 51, and guide pin bushing 51 is enclosed within on the connecting rod 5, and guide pin bushing 51 is fixed in upper cylinder 1 outer wall.2 lower ends of going up connecting rod 5 are hinged with gudgeon pin shaft 41 two ends of lower piston 4 respectively.2 lower links 6 are symmetrically set in lower cylinder 2 outer sides, and the upper end of 2 lower links 6 is hinged with gudgeon pin shaft 41 two ends of lower piston 4 respectively, and the lower end of 2 lower links 6 is connected with bent axle P respectively.7,2 lower ends of going up connecting rod 5 of connecting rod guide rail that lower cylinder 2 outer walls are provided with symmetric arrangement also are hinged with slide block 52, and slide block 52 is slidingly matched with connecting rod guide rail 7.Be equipped with inlet hole, exhaust port, nozzle opening and electrical spark consent (not drawing among Fig. 1) on upper cylinder 1 and the lower cylinder 2 if diesel engine does not then need to establish the electrical spark consent.
Working principle is summarized as follows:
Engine crankshaft P rotates and drives 2 lower link 6 rotations, the gudgeon pin shaft 41 and the lower piston 4 of 2 lower link 6 rotations drive lower pistons 4 pump, drive 2 last connecting rods 5 and slide block 52 simultaneously and pump, then the gudgeon pin shaft 31 of upper piston 3 and upper piston 3 also pump simultaneously.Because in upper and lower piston running, therefore lateral forces can avoid the lateral pressure of upper and lower piston to upper and lower cylinder inner wall on connecting rod guide rail 7.Can reduce surface friction drag greatly like this, reduce frictional loss, improve useful horsepower.
Application examples 1:
Referring to Fig. 2, with up and down 2 cylinders of the present utility model and up and down 2 pistons carry out the multimode applied in any combination as a module, this application examples is three module Vertical Combination arranged side by side.In Fig. 2, the lower end of each lower link 6 is connected with 1 connecting rod 8 jointly, connecting rod 8 is hinged with 2 drive connecting rod 9 upper ends more then, and drive connecting rod 9 lower ends are hinged with bent axle P again.Wherein, 2 of intermediate module last connecting rods 5 ' are simultaneously also respectively as 1 in 2 last connecting rods 5 of left side module and right side module.2 lower links 6 ' are simultaneously also respectively as 1 in 2 lower links of left side module and right side module.All the other labels among Fig. 2 are corresponding consistent with Fig. 1.This application examples has embodied the utility model can carry out modular combination, and module combinations quantity can be set according to actual needs, and is very convenient.
Application examples 2:
Referring to Fig. 3 and 4, similar with application examples 1, with up and down 2 cylinders of the present utility model and up and down 2 pistons carry out the horizontal applied in any combination of multimode as a module, this application examples is the combination of six modules, six modules distribute radially.The clutch end of the bent axle P3 of each module is provided with crankshaft gear P2, and each crankshaft gear P2 is common to link with a big driven tooth wheel disc P1 engagement, and big driven tooth wheel disc P1 is by main crankshaft P output engine power.This application examples has embodied the utility model can horizontally arrange that module combinations quantity can be set according to actual needs.
Application examples 3:
Referring to Fig. 5, similar with application examples 2, with up and down 2 cylinders of the present utility model and up and down 2 pistons carry out the application of multimode Vertical Combination as a module.The clutch end of the bent axle P3 of each module is equipped with bevel gear P4, and each bevel gear P4 all links with a bevel gear wheel P5 engagement, and bevel gear wheel P5 is by main crankshaft P output engine power.
Claims (6)
1. side pressure-free engine with superposed cylinders comprises bent axle, cylinder, piston and connecting rod, it is characterized in that: cylinder is made up of upper cylinder and lower cylinder, the stacked polyphone of upper cylinder and lower cylinder, upper cylinder and lower cylinder coaxial inner conductor; Piston is provided with upper piston and lower piston, and upper piston is located in the upper cylinder, and lower piston is located in the lower cylinder, and upper piston and lower piston are equipped with gudgeon pin shaft; Connecting rod is provided with identical 2 last connecting rods and 2 identical lower links, go up connecting rod for 2 and be symmetrically set in the outer side of upper cylinder, 2 upper ends of going up connecting rod are hinged with the gudgeon pin shaft two ends of upper piston respectively, 2 lower ends of going up connecting rod are hinged with the gudgeon pin shaft two ends of lower piston respectively, 2 lower links are symmetrically set in the outer side of lower cylinder, the upper end of 2 lower links is hinged with the gudgeon pin shaft two ends of lower piston respectively, and the lower end of 2 lower links is connected with bent axle respectively; The lower cylinder outer wall is provided with the connecting rod guide rail of symmetric arrangement, and the upper end of 2 lower links is arranged in the connecting rod guide rail, and 2 lower ends of going up connecting rod also are arranged in the connecting rod guide rail.
2. side pressure-free engine with superposed cylinders as claimed in claim 1 is characterized in that described cylinder is a split-type structural, is provided with upper body, middle body and 3 parts of lower body, and upper body and middle body constitute upper cylinder, and middle body and lower body constitute lower cylinder.
3. side pressure-free engine with superposed cylinders as claimed in claim 1 is characterized in that described 2 lower ends of going up connecting rod are equipped with slide block, and the lower end of slide block and last connecting rod is hinged, and slide block and described connecting rod guide rail are slidingly matched.
4. side pressure-free engine with superposed cylinders as claimed in claim 1 is characterized in that described 2 last connecting rods are equipped with guide pin bushing, and guide pin bushing is enclosed within on the connecting rod, and guide pin bushing is fixed in the upper cylinder outer wall.
5. side pressure-free engine with superposed cylinders as claimed in claim 1 is characterized in that the lower end of described 2 lower links all is connected with bent axle, is that the lower end and the bent axle of 2 lower links is hinged.
6. side pressure-free engine with superposed cylinders as claimed in claim 1, the lower end that it is characterized in that described 2 lower links all is connected with bent axle, below 2 lower links, be provided with 1 connecting rod, the lower end of 2 lower links all is connected with connecting rod, connecting rod and 2 drive connecting rod are hinged, and 2 drive connecting rod and bent axle are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202149802U CN201751551U (en) | 2010-05-28 | 2010-05-28 | Lateral pressure-free engine with superimposed cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202149802U CN201751551U (en) | 2010-05-28 | 2010-05-28 | Lateral pressure-free engine with superimposed cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201751551U true CN201751551U (en) | 2011-02-23 |
Family
ID=43601959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202149802U Expired - Lifetime CN201751551U (en) | 2010-05-28 | 2010-05-28 | Lateral pressure-free engine with superimposed cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201751551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881214A (en) * | 2010-05-28 | 2010-11-10 | 苏世专 | Side pressure-free engine with superposed cylinders |
-
2010
- 2010-05-28 CN CN2010202149802U patent/CN201751551U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881214A (en) * | 2010-05-28 | 2010-11-10 | 苏世专 | Side pressure-free engine with superposed cylinders |
| CN101881214B (en) * | 2010-05-28 | 2012-06-06 | 苏世专 | Side pressure-free engine with superposed cylinders |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110223 Effective date of abandoning: 20120606 |