CN205592018U

CN205592018U - Car piston actuating mechanism

Info

Publication number: CN205592018U
Application number: CN201620388020.5U
Authority: CN
Inventors: 李长江
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-05-03
Filing date: 2016-05-03
Publication date: 2016-09-21
Anticipated expiration: 2026-05-03

Abstract

The utility model provides a car piston actuating mechanism, it includes internal -combustion engine cylinder body, piston, vertical connecting rod, horizontal drive axle and drives movable sleeve, the internal -combustion engine cylinder body includes upper segment portion, middle section portion and hypomere portion, upper segment portion passes through middle section portion and is connected with hypomere portion, be provided with the cylinder in the upper segment portion of internal -combustion engine cylinder body, the cylinder of internal -combustion engine cylinder body is just polygonal cylinder, the piston be with the just polygonal piston of regular polygon cylinder matched with, the piston passes through vertical connecting rod drives the horizontal drive axle and reciprocates, and two tip of horizontal drive axle are followed the annular groove with drive movable sleeve and take place the relative slip, and then order about it rotates to drive movable sleeve. The utility model discloses a car piston actuating mechanism, the structure is compacter, and the volume is littleer on the whole, light in weight, the noise was little when the machine rotated simultaneously, and work efficiency is higher moreover.

Description

A kind of piston of automobile drive mechanism

Technical field

This utility model relates to automobile technical field, especially relates to a kind of piston of automobile drive mechanism.

Background technology

Car combustion engine be liquid or gaseous fuel are mixed with air after, directly input the high compression combustion chamber of cylinder internal Burning outburst produces power, and this is also by the interior a kind of heat engine that can be converted into mechanical energy, and internal combustion engine has is easy to mobile, the thermal efficiency The feature high, starting performance is good.

Traditional crankshaft-link rod type stroke piston combustion engine leading knot that always thermal power is mechanical since invention Configuration formula, being able to wide variety of at present is four stroke crankshaft-link rod type stroke piston combustion engines, and it is to pass through crank connecting link The linear reciprocating motion of piston is converted into the rotary motion of bent axle and exports power by mechanism.The internal combustion engine of this version is deposited Major defect be: volume is big；There is bigger periodicity alternation lateral pressure between piston and cylinder wall, and thus cause bigger Friction power loss, exacerbates cylinder wall, the abrasion of piston (piston ring), makes the lost of life of internal combustion engine；Machine work efficiency is low；Bent Uneven centrifugal force on axle is relatively big, impact is big, vibration is big；For making internal combustion engine steady, generally use multi-cylinder engine, and The more, bent axle is the longest for the number of cylinders of internal combustion engine, and friction loss is the biggest；Valve actuating mechanism is complicated, and number of parts is many.

Chinese Patent Application No. is 200710048219.9, and publication date is on August 1st, 2007, innovation and creation entitled The internal combustion engine of " a kind of crankless internal-combustion engines ", is by the internal-combustion piston engine of the Oscillating Tooth Gear Reducer technology of superior performance Yu technology maturation Technology combines and proposes.This internal combustion engine, compared with conventional crankshafts link type internal combustion engine, eliminates crankshaft-link rod type internal combustion engine In crankshaft-and-connecting-rod, structure the compactest and compared with simple, small volume, impact is little, vibrate little, smooth running.

But, this internal combustion engine has the following deficiency: owing to needs synchronous belt drive mechanism is as valve timing transmission Mechanism, the structure making internal combustion engine is relative complex and the compactest, number of parts is more, axial dimension is relatively big, volume is bigger；Piston And the bigger periodicity alternation lateral pressure between cylinder wall does not eliminate, and the friction power loss thus caused is relatively big, the internal combustion engine longevity Life shortens, and machine work is inefficient.

Due to distribution cam axle and the cantilever configuration of output cam, convex to output cam, roller, piston, cylinder and distribution The intensity of the parts such as wheel shaft, rigidity, manufacture and installation accuracy etc. are proposed higher requirement, thus process and assemble is more difficult, Manufacturing cost is higher；Cylinder is made up of small one and large one two cylinders series winding, piston is by small one and large one two pistons and piston rod group Becoming, the structure of this cylinder and piston is the most complicated, processing is more difficult.

Utility model content

The purpose of this utility model is to provide a kind of piston of automobile drive mechanism, to solve to tie present in prior art The technical problems such as structure is complicated, and manufacturing cost is high.

For achieving the above object, a kind of piston of automobile drive mechanism that this utility model provides, including internal combustion engine cylinders, work Plug, vertical connecting rod, transverse drive shaft and drive sleeve；

Internal combustion engine cylinders includes epimere portion, center section part and hypomere portion；Described epimere portion is connected with hypomere portion by center section part；

It is provided with cylinder in the epimere portion of described internal combustion engine cylinders；

Can slide up and down in described cylinder be provided with piston；

Drive sleeve is inserted in internal combustion engine cylinders hypomere portion rotationally；

Drive sleeve is provided with annular groove on medial wall；

Described transverse drive shaft is arranged in described drive sleeve, and described annular groove is inserted at the two ends of transverse drive shaft In；

The developed curve of described annular groove is sine curve or cosine curve；

Piston is rigidly connected with transverse drive shaft by vertical connecting rod；

Piston drives transverse drive shaft to move up and down by described vertical connecting rod, and two ends of transverse drive shaft are along institute State annular groove and relative slip occurs with drive sleeve, and then order about the rotation of described drive sleeve.

Further, the lower end of described drive sleeve is connected by ring flange and power output shaft are fixing.

Further, it is provided with cover plate at described hypomere subordinate's end opening.

Further, described power output shaft stretch out described cover plate with cylinder body outside reducing gear be connected, reducing gear passes through Drive mechanism is connected with automotive wheel.

Further, described drive sleeve, described cylinder and described piston three are coaxially disposed.

Further, described vertical connecting rod is vertically arranged with described transverse drive shaft.

Further, described vertical connecting rod is arranged with described piston coaxial.

Further, it is provided with rolling bearing between described drive sleeve and described internal combustion engine cylinders.

Further, described internal combustion engine cylinders is provided with restriction piston, vertical connecting rod and transverse drive shaft along cylinder The limiting mechanism circumferentially rotated.

Further, the cylinder of described internal combustion engine cylinders is the most polygonal cylinder, and piston is and described regular polygon cylinder phase The most polygonal piston coordinated；The lateral cross section of described cylinder and piston is regular polygon, is used for stoping piston, vertical connecting rod And transverse drive shaft circumferentially rotating along cylinder.

Further, the center section part of described internal combustion engine cylinders is vertically arranged with straight-line guidance groove, in described vertical connecting rod It is provided with the guide pad matched with described straight-line guidance groove；Described guide pad can slide up and down to be arranged in described gathering sill For stoping described piston, vertical connecting rod and transverse drive shaft circumferentially rotating along cylinder.

Further, described straight-line guidance groove sidewall being provided with oilhole, oilhole is supplied with lubricating oil by oil circuit Connect to system.

Further, being provided with cylinder sleeve in described cylinder, described piston is slidably disposed in cylinder sleeve.

Further, the cylindrical side of described center section part is provided with heat sink.

Further, the cylindrical side in described hypomere portion is provided with heat sink.

Further, described heat sink is along the axially arranged stripe board of described internal combustion engine cylinders.

Further, described stripe board uniform intervals in the circumference of described internal combustion engine cylinders is arranged.

Further, the two ends of described transverse drive shaft are set with rolling bearing, and two ends of described transverse drive shaft lead to Cross rolling bearing to be slidably disposed in described annular groove.

Further, the lower end of described drive sleeve is connected with power output shaft by ring flange.

Further, described power output shaft is connected with reducing gear.

Further, in described reducing gear is arranged on described hypomere portion.

Further, the housing of described reducing gear is made into integration with the hypomere portion of described internal combustion engine cylinders.

Further, described reducing gear is planet gear reducing mechanism, and described planet gear reducing mechanism includes the gear, interior of starting to walk Tooth set, planetary gear and planetary wheel carrier；Described planetary gear is rotatably arranged in described planetary wheel carrier side by bearing pin and bearing On；Starting gear is arranged on described power output shaft.

Further, in described planet gear reducing mechanism is arranged on described hypomere portion.

Further, described internal tooth casing is the inner gear structure being arranged on described hypomere portion inner circle sidewall.

Further, described bearing pin is vertically set on described planetary wheel carrier side, and described bearing holder (housing, cover) is contained on described bearing pin, Described planetary gear is sleeved on bearing top circle.

Further, described planet gear reducing mechanism includes the described planetary gear of some levels and planetary wheel carrier.

Further, described planet gear reducing mechanism includes primary planet wheel, primary planet wheel carrier, secondary planet wheel and two grades Planetary wheel carrier.

Further, described primary planet wheel is rotatably arranged in primary planet wheel carrier one side by bearing and bearing pin, The another side of primary planet wheel carrier is provided with one-level sun gear；Primary planet takes turns the transmission that is meshed with described starting gear；Two Level planetary gear is arranged on secondary planet wheel carrier one side by described bearing pin and bearing, and the another side of secondary planet wheel carrier sets It is equipped with output shaft；Described secondary planet wheel is meshed with described one-level sun gear.

During use, the fuel oil such as gasoline or diesel oil, at gas in-cylinder combustion, promotes piston reciprocating to move up and down, and piston is by vertical Connecting rod drives transverse drive shaft to move up and down, and the two ends of transverse drive shaft slide up and down in annular groove, and then promotion is driven Moving sleeve is quick rotation in the hypomere portion of cylinder body, and drive sleeve is additionally provided with planet gear reducing mechanism, planet gear reducing mechanism Being set directly in cylinder body, compact conformation, volume is little, lightweight, and noise is the least.

Compared with prior art, this utility model has a following beneficial effect: a kind of vapour disclosed in the utility model Car piston drive mechanism, structure is compacter, and volume is less on the whole, lightweight, and when machine rotates simultaneously, noise is little, Er Qiegong Make in hgher efficiency.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art are below by right In detailed description of the invention or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below In accompanying drawing be embodiments more of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

The structural representation of a kind of piston of automobile drive mechanism that Fig. 1 provides for this utility model embodiment 1；

Fig. 2 is the AA view in Fig. 1；

The structural representation of a kind of piston of automobile drive mechanism that Fig. 3 provides for this utility model embodiment 2；

In a kind of piston of automobile drive mechanism that Fig. 4 provides for this utility model embodiment 2 planet gear reducing mechanism point Diagrammatic view；

Fig. 5 is planetary gear and planetary wheel carrier fit structure schematic diagram；

Reference:

3-starts to walk gear；4-primary planet wheel carrier；6-primary planet is taken turns；

7-one-level sun gear；8-secondary planet wheel carrier；9-secondary planet is taken turns；

12-internal tooth casing；14-output shaft；15-bearing；

16-bearing pin；19-drive mechanism；

20-wheel；100-internal combustion engine cylinders；101-epimere portion；

102-center section part；103-hypomere portion；104-heat sink；

105-cylinder；106-cover plate；107-cylinder sleeve；

108-straight-line guidance groove；110-piston；The vertical connecting rod of 120-；

121-guide pad；130 transverse drive shaft；

140-drive sleeve；141-annular groove；142-ring flange；

143-power output shaft；150-reducing gear；150a-reducing gear.

Detailed description of the invention

Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described Embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, this The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality Novel protected scope.

In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, be only Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Language concrete meaning in this utility model.

Embodiment 1

The structural representation of a kind of piston of automobile drive mechanism that Fig. 1 provides for this utility model embodiment；Fig. 2 is Fig. 1 In AA view.

As shown in Figure 1-2, a kind of piston of automobile drive mechanism that the present embodiment provides, including internal combustion engine cylinders 100, piston 110, vertical connecting rod 120, transverse drive shaft 130 and drive sleeve 140；

Internal combustion engine cylinders 100 includes epimere portion 101, center section part 102 and hypomere portion 103；Epimere portion 101 passes through center section part 102 are connected with hypomere portion 103；

Epimere portion 101, center section part 102 and hypomere portion 103 are integrated the cylindrical body made；

It is provided with cylinder 105 in the epimere portion 101 of internal combustion engine cylinders 100；

Can slide up and down to be provided with piston 110 in cylinder 105；When being provided with cylinder sleeve 107 in cylinder 105, piston 110 It is slidably disposed in cylinder sleeve 107.

Drive sleeve 140 is inserted in the hypomere portion 103 of internal combustion engine cylinders 100 rotationally；

Drive sleeve 140 is provided with annular groove 141 on medial wall；

The two ends of transverse drive shaft 130 are inserted in annular groove 141；

The developed curve of annular groove 141 is sine curve or cosine curve；

Piston 110 lower end is rigidly connected with transverse drive shaft 130 by vertical connecting rod 120；

The cylinder 105 of internal combustion engine cylinders 100, cylinder sleeve 107 are the most hexagonal cylinder, and piston 110 is for match with cylinder The most hexagonal piston；The lateral cross section of cylinder 105 and piston 110 is regular hexagon, be used for stoping piston, vertical connecting rod with And transverse drive shaft circumferentially rotating along cylinder.

Certainly, the limiting mechanism of other forms or structure can also be used in actual applications to stop piston, vertically to connect Extension bar and transverse drive shaft circumferentially rotating along cylinder.

When transverse drive shaft drives drive sleeve to rotate, amount of heat can be produced, in order to dispel the heat, reduce the work of each parts Make temperature, the cylindrical side in the hypomere portion 103 of internal combustion engine cylinders is provided with heat sink 104.In actual applications, hypomere portion Heat sink at 103 is particularly important, because drive sleeve is just arranged on this position.

The fuel oil burnings such as gasoline in cylinder or diesel oil, promote piston to slide up and down, and piston 110 is by vertical connecting rod 120 drive transverse drive shaft 130 to move up and down, two ends annularly groove 141 and the drive sleeve of transverse drive shaft 130 140 occur relatively to slide, owing to the developed curve of annular groove 141 is sine curve or cosine curve, and then transverse drive shaft Drive sleeve 140 can be ordered about when sliding up and down rotate.

The lower end of drive sleeve 140 is connected by ring flange 142 is fixing with power output shaft 143.Wherein, 106 for being used for Seal the cover plate of hypomere portion 103 lower ending opening.

Power output shaft 143 stretch out cover plate 106 with cylinder body outside reducing gear 150 be connected, reducing gear 150 passes through transmission Mechanism 19 is connected with automotive wheel 20, and drives running car.

This driving mechanism structure is compact, takes up room little, lightweight, and when machine rotates simultaneously, noise is little, and the effect that works Rate is higher.

Embodiment 2

A kind of piston of automobile drive mechanism that the present embodiment is provided is changing further of doing on the basis of embodiment 1 Enter.

Wherein, Fig. 3 structural representation of a kind of piston of automobile drive mechanism in being the present embodiment；Fig. 4 is in the present embodiment The decomposition view of planet gear reducing mechanism in a kind of piston of automobile drive mechanism；Fig. 5 is planetary gear and planetary wheel carrier fit structure Schematic diagram；

As in Figure 3-5, a kind of piston of automobile drive mechanism in the present embodiment, including internal combustion engine cylinders 100, piston 110, Vertical connecting rod 120, transverse drive shaft 130 and drive sleeve 140；

Drive sleeve 140 is provided with annular groove 141 on medial wall；

The developed curve of annular groove 141 is sine curve or cosine curve；

Limiting mechanism in the present embodiment is different from embodiment 1, and the center section part 102 of internal combustion engine cylinders 100 is vertically arranged Straight-line guidance groove 108, vertical connecting rod 120 is had to be provided with the guide pad 121 matched with straight-line guidance groove 108；Guide pad 121 Can only linearly slide up and down by gathering sill 108, it is used for stoping piston 110, vertical connecting rod 120 and transverse drive shaft 130 Circumferentially rotating along cylinder.

Wherein, guide pad 121 is preferably made into integration with vertical connecting rod 120.The roots such as the width of guide pad 121, thickness The peak power of outwards output is needed to determine according to its material and the bonding strength of vertical connecting rod and drive sleeve.

For reducing the friction between drive sleeve and cylinder body, extend the service life of part, and also to improve output Power, is provided with rolling bearing between drive sleeve and internal combustion engine cylinders.

The lower end of drive sleeve 140 is connected by ring flange 142 is fixing with power output shaft 143.Power output shaft 143 with Reducing gear 150a connects,

Reducing gear 150a is to be arranged on the planet gear reducing mechanism within hypomere portion 103.Hypomere portion 103 constitutes reductor The housing of structure 150a.

Planet gear reducing mechanism is arranged in the hypomere portion 103 of interior burning cylinder body, increase reducing gear and drive sleeve it Between connection rigidity, reduce drive noise between the two.

Star wheel reducer structure includes start to walk gear 3, internal tooth casing 12, primary planet wheel 6, one-level sun gear 7, primary planet wheel Frame 4, secondary planet wheel 9, secondary planet wheel carrier 8 and output shaft 14.

Starting gear 3 is fixedly installed on power output shaft 143.

Internal tooth casing 12 is arranged in the hypomere portion 103 of interior burning cylinder body, and primary planet wheel 6 and secondary planet wheel 9 are all with interior The internal tooth of tooth set 12 is meshed.

Primary planet wheel 6 is rotatably arranged in primary planet wheel carrier 4 one side, the another side of primary planet wheel carrier 4 It is provided with one-level sun gear 7；Primary planet wheel 6 is meshed transmission with gear 3 of starting to walk.

Secondary planet wheel 9 is rotatably provided on secondary planet wheel carrier 8 one side, the another side of secondary planet wheel carrier 8 It is provided with output shaft 14；Secondary planet wheel 9 is meshed with one-level sun gear 7.

Internal combustion engine cylinders hypomere portion 103 is provided with cover plate 106 in output shaft 14 one end, sets between cover plate 106 and output shaft It is equipped with output bearing (not shown).

Planetary gear is rotatably arranged on described planetary wheel carrier side by bearing pin and bearing.As it is shown in figure 5, with one-level As a example by planetary gear mounting structure, bearing pin 16 is vertically set on primary planet wheel carrier 4, and bearing 15 is sleeved on bearing pin 16, one-level Planetary gear 6 is sleeved on bearing 15 cylindrical.The another side of primary planet wheel carrier 4 is then provided with one-level sun gear 7.

Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new The scope of type each embodiment technical scheme.

Claims

1. a piston of automobile drive mechanism, it is characterised in that include internal combustion engine cylinders, piston, vertical connecting rod, laterally driven Axle and drive sleeve；

It is provided with heat sink on the cylindrical side in described hypomere portion；

Can slide up and down in described cylinder be provided with piston；

Drive sleeve is provided with annular groove on medial wall；

Described transverse drive shaft is arranged in described drive sleeve, and the two ends of transverse drive shaft are inserted in described annular groove；

The cylinder of described internal combustion engine cylinders is the most polygonal cylinder, and piston is the most polygon with what described regular polygon cylinder matched Type piston；The lateral cross section of described cylinder and piston is regular polygon, is used for stoping piston, vertical connecting rod and laterally driven Axle circumferentially rotating along cylinder；

Piston drives transverse drive shaft to move up and down by described vertical connecting rod, and two ends of transverse drive shaft are along described ring There is relative slip in connected in star, and then order about the rotation of described drive sleeve with drive sleeve；

The lower end of described drive sleeve is connected by ring flange and power output shaft are fixing；Arrange at described hypomere subordinate's end opening There is cover plate；

Described power output shaft stretch out described cover plate with cylinder body outside reducing gear be connected, reducing gear pass through drive mechanism and vapour Car wheel connects.

Piston of automobile drive mechanism the most according to claim 1, it is characterised in that described drive sleeve, described cylinder with And described piston three is coaxially disposed.

Piston of automobile drive mechanism the most according to claim 1, it is characterised in that described vertical connecting rod with described laterally Drive shaft is vertically arranged.

Piston of automobile drive mechanism the most according to claim 1, it is characterised in that described vertical connecting rod and described piston It is coaxially disposed.

Piston of automobile drive mechanism the most according to claim 1, it is characterised in that described drive sleeve and described internal combustion engine Rolling bearing it is provided with between cylinder body.

Piston of automobile drive mechanism the most according to claim 1, it is characterised in that be provided with cylinder sleeve, institute in described cylinder State piston to be slidably disposed in cylinder sleeve.

Piston of automobile drive mechanism the most according to claim 1, it is characterised in that described heat sink is along internal combustion engine cylinders Axially arranged stripe board.

Piston of automobile drive mechanism the most according to claim 7, it is characterised in that described stripe board is at described IC engine cylinder In the circumference of body, uniform intervals is arranged.

Piston of automobile drive mechanism the most according to claim 1, it is characterised in that the two ends suit of described transverse drive shaft Having rolling bearing, two ends of described transverse drive shaft are slidably disposed in described annular groove by rolling bearing.