CN106949214A - Rotary reciprocating motion conversion equipment and the equipment using the device - Google Patents
Rotary reciprocating motion conversion equipment and the equipment using the device Download PDFInfo
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- CN106949214A CN106949214A CN201710312833.5A CN201710312833A CN106949214A CN 106949214 A CN106949214 A CN 106949214A CN 201710312833 A CN201710312833 A CN 201710312833A CN 106949214 A CN106949214 A CN 106949214A
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- Prior art keywords
- reciprocating motion
- crank
- eccentric
- pin
- conversion equipment
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H21/00—Gearings comprising primarily only links or levers, with or without slides
- F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
- F16H21/16—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for interconverting rotary motion and reciprocating motion
- F16H21/18—Crank gearings; Eccentric gearings
- F16H21/22—Crank gearings; Eccentric gearings with one connecting-rod and one guided slide to each crank or eccentric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/06—Crankshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/06—Crankshafts
- F16C3/10—Crankshafts assembled of several parts, e.g. by welding by crimping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/18—Eccentric-shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H21/00—Gearings comprising primarily only links or levers, with or without slides
- F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
- F16H21/16—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for interconverting rotary motion and reciprocating motion
- F16H21/18—Crank gearings; Eccentric gearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/60—Shafts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
A kind of rotary reciprocating motion conversion equipment, including, vuilt-up crankshaft, eccentric shaft and two reciprocating motion elements;Vuilt-up crankshaft includes positioned at two ends and is coaxially disposed trunnion, the crank-pin for being arranged at two crank arms of two trunnion opposite ends and being arranged between two crank arms, crank-pin is detachable structure at least with wherein one end crank arm, and the two is connected as one by connector;Eccentric shaft includes two eccentric cylinders on hollow shaft part and hollow shaft part, and hollow shaft part passes through two eccentric cylinders, and two eccentric cylinder phases are set in 180 degree, and the two axisymmetrical is arranged at hollow shaft part axis both sides;Eccentric cylinder accommodating hole is provided with reciprocating motion element;During assembling, the hollow shaft part of eccentric shaft is rotatably socketed on the crank-pin of vuilt-up crankshaft, each reciprocating motion element is rotatably socketed on an eccentric cylinder of the eccentric shaft by its eccentric cylinder accommodating hole, and two reciprocating motion element vibration-directions are in 90 degree of arrangements.
Description
This application claims submit Patent Office of the People's Republic of China, Application No. 201710236724.X, invention name on April 12nd, 2017
Referred to as the Chinese patent application of " piston type air compressor, movement transforming device, vuilt-up crankshaft, eccentric shaft and vehicle air compressor " is excellent
First weigh, entire contents are hereby incorporated by reference in the application.
Technical field
The present invention relates to air compressor machine technical field.Specifically related to a kind of rotary reciprocating motion conversion equipment.The application is also related to
And it is a kind of using the rotary reciprocating motion conversion equipment equipment.
Background technology
Using the common shaft-driven two V-type double-cylinder pneumatics of a motor more than the air compressor machine for being used for vehicle braking of current main flow
Mechanism into compressor assembly.For each V-type air compressor machine, using an one-throw crankshaft, on the crank-pin of the bent axle
Many more than two is in the piston of an angle of 90 degrees, and the attachment structure of piston and crank-pin is brace and connecting rod framework, the non-cloth on machine
Put counterweight.The air compressor structure of said structure is simple, it is easy to safeguard, but flow is smaller, vibrates larger, it is difficult to meet car
Increasingly maximization and the requirement of comfortableization.
The content of the invention
The present invention provides a kind of rotary reciprocating motion conversion equipment, with asking of solving that above-mentioned piston type air compressor has
Topic.The present invention also provides a kind of equipment using the rotary reciprocating motion conversion equipment.
A kind of rotary reciprocating motion conversion equipment that the application is provided, it includes, and vuilt-up crankshaft, eccentric shaft and two are past
Multiple motor element;
The vuilt-up crankshaft includes positioned at two ends and is coaxially disposed trunnion, is arranged at two songs of two trunnion opposite ends
Shaft arm and the crank-pin being arranged between two crank arm, the crank-pin are detachable at least with wherein one end crank arm
Structure, the two is connected as one by connector;
The eccentric shaft includes hollow shaft part and two eccentric cylinders being arranged on the hollow shaft part, described hollow
Shaft part passes through two eccentric cylinder, and two eccentric cylinder phases are set in 180 degree, and the two axisymmetrical is arranged at quill shaft
Section axis both sides;
Eccentric cylinder accommodating hole is provided with the reciprocating motion element;
During assembling, the hollow shaft part of the eccentric shaft is rotatably socketed on the crank-pin of the vuilt-up crankshaft,
Each reciprocating motion element is rotatably socketed on an off-centre operation of the eccentric shaft by its eccentric cylinder accommodating hole
On cylinder, the reciprocating motion element vibration-direction set outside two eccentric cylinders is in 90 degree of arrangements.
Optionally, the reciprocating motion element is two-way ram, including the piston head positioned at both sides and the work of connection two
The piston seat of chock plug, the eccentric cylinder accommodating hole is arranged on the piston seat;Or
One reciprocating motion element is piston, and another reciprocating motion element is dynamic balance slide block.
Optionally, it is equal between the connection reciprocating motion element and eccentric cylinder and between hollow shaft part and bent axle
Using oilless bearing.
Optionally, the vuilt-up crankshaft includes:
Main side and secondary end, the main side includes the first trunnion, the first crank being wholely set with first trunnion
Arm, and by the first crank arm away from outwardly directed first crank-pin in first trunnion one end;During first crank-pin is
Hollow structure, and the hollow structure extends to the free end of the first trunnion, first crank-pin along the first crank pin axis
Free end be tapered end;
The secondary end includes the second trunnion, the second crank arm being wholely set with second trunnion, and by the
Two crank arms are away from outwardly directed second crank-pin in second trunnion one end;The free end of second crank-pin be provided with
The taper hole that foregoing tapered end is engaged, screwed hole is additionally provided with the taper hole bottom
During combination, after the taper hole of second crank-pin at the tapered end of the first crank-pin of main side and secondary end is engaged, by bolt
Through main side and it is threaded in the screwed hole at secondary end, main side is combined into one with secondary end.
Optionally, it is additionally provided with location structure in the tapered end and taper hole mating part.
Optionally, the location structure is to be arranged at tapered end and two pairs of half bore of taper hole opposite position and two alignment pins;
After combination, two pairs of half bore of opposite position are aligned, and constitute complete positioning hole, and alignment pin is placed in the positioning hole.
Optionally, it is additionally provided with counterweight on two crank arms of the vuilt-up crankshaft.
Optionally, the vuilt-up crankshaft two crank arms opposite end, offer circular groove along crank-pin, it is described
The two ends of hollow eccentric axle are by bearings in circular groove side wall.
Optionally, the piston is connected with the eccentric cylinder of eccentric shaft by rolling bearing.
Optionally, the eccentric cylinder is integrally formed with the hollow shaft part, or
The eccentric cylinder and the hollow shaft part are the split-type structural being fixed with one.
Optionally, the eccentric cylinder periphery is socketed with rolling bearing, and the eccentric cylinder periphery constitutes the axis of rolling
Hold inner ring.
In addition, the application also provides one kind without connecting rod rotary reciprocating motion conversion equipment, wherein, the equipment uses foregoing institute
The rotary reciprocating motion conversion equipment stated.
Optionally, the equipment is one kind in internal combustion engine, compressor, water pump, slush pump.
Compared with prior art, the one aspect of the application has advantages below:A kind of rotation of the embodiment of the present application
Turn reciprocating movement converting device, including, vuilt-up crankshaft, eccentric shaft and two reciprocating motion elements;The vuilt-up crankshaft includes
Positioned at two ends and be coaxially disposed trunnion, be arranged at two crank arms of two trunnion opposite ends and be arranged at two crank
Crank-pin between arm, the crank-pin is detachable structure at least with wherein one end crank arm, and the two is connected by connector
It is integrated;The eccentric shaft includes hollow shaft part and two eccentric cylinders being arranged on the hollow shaft part, described hollow
Shaft part passes through two eccentric cylinder, and two eccentric cylinder phases are set in 180 degree, and the two axisymmetrical is arranged at quill shaft
Section axis both sides;Eccentric cylinder accommodating hole is provided with the reciprocating motion element;During assembling, the quill shaft of the eccentric shaft
Section is rotatably socketed on the crank-pin of the vuilt-up crankshaft, and each reciprocating motion element is held by its eccentric cylinder
Put hole to be rotatably socketed on an eccentric cylinder of the eccentric shaft, the reciprocating motion set outside two eccentric cylinders
Element vibration-direction is in 90 degree of arrangements.The application structure has good balance quality, and vibration is small, in addition using the application
Assembly or disassembly is easy in the mechanism of structure;Combined by vuilt-up crankshaft with eccentric shaft, applied to rotary reciprocating motion switching mechanism
When, crank-pin is also used as synchronizing shaft, without being separately provided synchronizing shaft again so that mechanism structure is simple;Lived using the device
Plug air compressor machine, can form at least four cylinders or eight cylinder air compressor machines, and not only discharge capacity doubles, and disclosure satisfy that using the air compressor machine
The requirement that vehicle maximizes with comfortableization.
Brief description of the drawings
Fig. 1 and Fig. 2 are respectively the rotary reciprocating motion converting means of the piston type air compressor of the application first embodiment
The structural representation and sectional view put;
Fig. 3, Fig. 4 and Fig. 5 be respectively one of structural representation of eccentric shaft of the application first embodiment, two and one of
Sectional view
Fig. 6 and Fig. 7 show the structural representation of the vuilt-up crankshaft main side of the application first embodiment;
Fig. 8 and Fig. 9 show the structural representation at the secondary end of the vuilt-up crankshaft of the application first embodiment;
Figure 10, Figure 11 and Figure 12 are respectively the structural representation of the Double-action reciprocating moving piston of the embodiment of the present application;
Figure 13 shows the structural representation of the piston type air compressor of the present embodiment.
Embodiment
Many details are elaborated in the following description to fully understand the present invention.But the present invention can be with
Much it is different from other manner described here to implement, those skilled in the art can be in the situation without prejudice to intension of the present invention
Under do similar popularization, therefore the present invention is not limited to the specific embodiments disclosed below.
There is provided a kind of rotary reciprocating motion conversion equipment in following embodiments of the application, it includes, vuilt-up crankshaft,
Eccentric shaft and two reciprocating motion elements;The vuilt-up crankshaft includes positioned at two ends and is coaxially disposed trunnion, is arranged at
Two crank arms of two trunnion opposite ends and the crank-pin being arranged between two crank arm, the crank-pin at least with its
Middle one end crank arm is detachable structure, and the two is connected as one by connector;The eccentric shaft include hollow shaft part and
Two eccentric cylinders on the hollow shaft part are arranged at, the hollow shaft part passes through two eccentric cylinder, two off-centre operations
Cylinder phase is set in 180 degree, and the two axisymmetrical is arranged at hollow shaft part axis both sides;Set on the reciprocating motion element
There is eccentric cylinder accommodating hole;During assembling, the hollow shaft part of the eccentric shaft is rotatably socketed on the vuilt-up crankshaft
Crank-pin on, each reciprocating motion element is rotatably socketed on the eccentric shaft by its eccentric cylinder accommodating hole
An eccentric cylinder on, the reciprocating motion element vibration-direction set outside two eccentric cylinders in 90 degree arrange.
Illustrated below so that reciprocating motion element is equal two-way ram as an example.But be emphasized that the application
Reciprocating motion element can with single action piston or dynamic balance slide block, wherein, dynamic balance slide block refer to the reciprocating motion member
Part plays conversion to work of another reciprocating motion element reciprocal inertia force for rotating inertia force without function ends such as pistons
With for whole balance of mechanism performance boost.
Fig. 1 and Fig. 2 are respectively the structural representation and sectional view of the rotary reciprocating motion conversion equipment of the embodiment of the present application.
The rotary reciprocating motion conversion equipment that refer in Fig. 1 and Fig. 2, the present embodiment includes vuilt-up crankshaft 20, eccentric shaft
30 and two two-way rams 10.Two two-way ram vibration-directions pass through eccentric shaft 30 and group in 90 degree of arrangements
Close bent axle and be connected 20.Mechanism separately below to the vuilt-up crankshaft 20, off-axis line 30 and two-way ram 10 and foregoing
The direct interconnected relationship of component is described.
Please further refer to Fig. 2, the vuilt-up crankshaft of the present embodiment includes main side 20a and pair end 20b.Fig. 6 and Fig. 7 are shown
The structural representation of the main side of the present embodiment.Wherein described main side 20a includes the first trunnion 2-1 and first trunnion
Crank arm 2-2 that 2-1 is wholely set, one end outwardly directed first away from the first trunnion 2-1 by the first crank arm 2-2
Crank-pin 2-3, the first crank-pin 2-3 and the first trunnion 2-1 non co axials, and the two axial line distance is e.Described
One crank-pin 2-3 free end (i.e. one end away from the first trunnion 2-1) is tapered end 2-5.In first crank-pin 2-3
Hollow structure, i.e., the described axially disposed through hole 2-6 of first crank-pin 2-3, the through hole 2-6 extends along first crank-pin 2-3
To the first trunnion 2-1 free end (as shown in Figure 7).The through hole 2-6 is used for the bolt through fixed main side and secondary end.
Fixed for ease of bolt, bolt counter sink 2-4a (institutes in such as Fig. 7 are additionally provided with the free end side of the first trunnion 2-1
Show), the aperture of the counter sink 2-4a is more than the aperture of the through hole 2-6, for housing bolt countersunk head and being easy to fixing bolt.
Fig. 8 and Fig. 9 are refer to, the secondary end includes the second trunnion 3-1, is wholely set with the second trunnion 3-1
The second crank arm 3-2 and by outwardly directed second crank in the one end of the second crank arm 3-2 away from the second trunnion 3-1
Sell 3-3.The second crank-pin 3-3 and the second trunnion 3-1 non co axials, and the two axial line distance is e.Described second is bent
Handle pin 3-3 free end (i.e. one end away from the second trunnion 3-1) is provided with the taper hole 3-5 that the tapered end 2-5 is engaged.
The taper hole 3-5 and the mating part of tapered end can also set location structure, for example, in tapered end 2-5 positions corresponding with taper hole 3-5
Two pairs of half bore are installed, it is matched by two alignment pins;After combination, two pairs of half bore of opposite position are aligned, and have been constituted
Whole positioning hole, alignment pin is placed in the positioning hole, completes the positioning after main side and secondary end assembling.In addition, in the taper hole 3-5
Bottom be additionally provided with screwed hole 3-7 (as shown in Figure 9), the screwed hole 3-7 is engaged with foregoing fixing bolt, for
Behind main side and secondary end assembling, the two is mutually fixed.
During combination, main side 20a the first crank-pin 2-3 tapered end 2-5 insertion pairs end 20b the second crank-pin 3-3 cone
In the 3-5 of hole, the two is engaged, and the setting of foregoing taper hole and tapered end ensures that the first crank-pin 2-3 and the second crank-pin 3-3 is completed
There is common axis after cooperation.In addition, adjustment main side 20a and the positions of pair end 20b circumferentially so that the first trunnion 2-1
It is coaxial with the second trunnion 3-1, if necessary, it can also set and above-mentioned coaxial setting is completed by location structure.Will fixed spiral shell
Bolt (fixing bolt 80 in such as Fig. 2) passes through through hole 2-6 by counter sink 2-4a sides, screws in screwed hole 3-7, and screw.
In addition, the first trunnion 2-1 and the first crank arm 2-2, the second trunnion 3-1 and the second crank arm 3-2 it
Between may not be integrative-structure, but split-type structural is connected to one by attachment structure or connector.
In addition, to ensure compressor whole machine balancing, balanced arrangement can also be set on the crank arm of aforementioned combinatorial bent axle,
The counterweight 2-4 set on such as the first crank arm of figure 2-2, the counterweight 3-4 set on the second crank arm 3-2.
In addition, vuilt-up crankshaft can also have other combinations, such as crank-pin is integral, and it is bent with any of which
Shaft arm is combining structure, and crank arm is fixed with one with crank-pin by bolt.Or crank-pin is with two ends crank arm
Detachable structure, this is no longer going to repeat them.
Refer to Fig. 3, Fig. 4 and Fig. 5, its be respectively one of structural representation of eccentric shaft of the embodiment of the present application, two
And one of sectional view.The eccentric shaft of the present embodiment include hollow shaft part 4-1 and be arranged on the hollow shaft part it is two inclined
The heart cylinder 4-2a and 4-2b.The hollow shaft part 4-1 is axially disposed hollow via-hole 4-1a (referring to Fig. 5), quill shaft
Not less than the crank-pin of vuilt-up crankshaft 20, (foregoing first crank-pin and the second crank-pin constitute complete section 4-1 along the axial length
Crank-pin) axial length.Hollow via-hole 4-1a radial dimension is more than the radial dimension of the crank-pin of aforementioned combinatorial bent axle 20.
The two eccentric cylinders radial direction and axial dimension all same, and phase is in 180 degree setting.The two axisymmetrical is arranged at hollow
Shaft part 4-1 central axis both sides, and the distance away from hollow shaft part 4-1 central axis is e.Two eccentric cylinders Fig. 4-2a
It can be integrally formed with the hollow shaft part 4-1 with 4-2b, or combining structure.When for combining structure, two off-centre operations
Eccentric orfice is set on post Fig. 4-2a and 4-2b, and hollow shaft part 4-1 is solidified as a whole through the eccentric orfice and with eccentric cylinder figure.
Lightened structure can also be set on two the eccentric cylinders 4-2a and 4-2b, such as respective opposite end surface side
Lightening grooves 4-6 can also be set.
In addition, rolling bearing can also be socketed in eccentric cylinder periphery, and in an instantiation, the eccentric cylinder
Figure periphery constitutes the bearing inner race of rolling bearing, and needle roller or ball are directly contacted with eccentric cylinder figure periphery, bearing outer ring 4-5 sets
It is connected on outside needle roller or ball.Concrete structure is as shown in Figure 5.
The hollow shaft part 4-1 of the eccentric shaft 30 is rotatably socketed on the crank-pin of the vuilt-up crankshaft 20.This
In embodiment, in the opposite end of two crank arms of vuilt-up crankshaft 20, circular groove, such as Fig. 6 main side are offered along crank-pin
Support circular groove 2-2a is opened up on 20a crank arm 2-2, branch is opened up on secondary end 20b as shown in Figure 9 crank arm 3-2 and is held round
Groove 3-2a.Crank arm passes through the hollow shaft part 4-1 of eccentric shaft 30 hollow via-hole 4-1a, by being arranged at hollow shaft part 4-1 two
Rolling bearing 4-7 (as shown in Figures 4 and 5) on the outside of end is supported in support the circular groove 2-2a and 3-2a.It is described to roll
Bearing 4-7 set-up modes can be identical with eccentric cylinder figure outer bearing set-up mode, i.e., set and roll only on the outside of hollow shaft part
Element and bearing outer ring.The rolling bearing set on eccentric shaft can be met between eccentric shaft and vuilt-up crankshaft, and with it is following
Relative motion between piston is without oil lubrication.Filling lubricating grease can ensure long-time relative motion within the bearing, from
And make it that using the air compressor machine of this structure oilless air compressor can be referred to as in a sense.Due to without lubricating oil, therefore safeguard
And maintenance cost is substantially reduced, effective duration of runs increases.
It is rotatably connected in addition, eccentric shaft there can also be other manner to realize with vuilt-up crankshaft, for example, in eccentric shaft
Rolling bearing is set between hollow bearing and the crank-pin of vuilt-up crankshaft.It is not reinflated herein to discuss.
Furthermore, it is necessary to explanation, being rotatably connected not necessarily using above-mentioned between eccentric shaft and vuilt-up crankshaft
Rolling bearing, its can also for sliding bearing or other manner the die sleeve that subtracts, or and vuilt-up crankshaft relative motion combination
Anti-attrition layer is set on face.The die sleeve that subtracts of sliding bearing or other manner can also be set on the outside of eccentric cylinder, or with work
Anti-attrition layer etc. is set on the relative motion face of plug, it is not reinflated herein to discuss.
In the present embodiment, structure of the built-up crank pin through the hollow shaft part of eccentric shaft so that crank-pin has synchronizing shaft
Effect, without being separately provided synchronizing shaft again.Make full use of design space so that the pneumatics equipment of the embodiment of the present application device
There is smaller volume.
Figure 10, Figure 11 and Figure 12 are refer to, it is respectively the structure of the Double-action reciprocating moving piston of the embodiment of the present application
In schematic diagram, the present embodiment, Double-action reciprocating moving piston includes piston head 5a and 5b, and piston seat is split-type structural, including
Part I 5-2a and Part II 5-5b, two parts are fixed as one by being arranged at the attachment structure of outer ledge, are such as schemed
Connecting hole 5-5 in 12.Piston seat middle setting eccentric cylinder accommodating hole 5-3.Piston seat microcephaly part is provided with pin-and-hole 5-
4, piston seat is connected with piston head with piston pin by pin-and-hole 5-4.
In the present embodiment, each rotary reciprocating motion conversion equipment includes two Double-action reciprocating moving pistons.With
After vuilt-up crankshaft and eccentric shaft assembling, one eccentric cylinder of each Double-action reciprocating moving piston correspondence, eccentric cylinder can revolve
Transposition is in the accommodating hole of Double-action reciprocating moving piston.The two-way ram vibration-direction set outside two eccentric cylinders
In 90 degree of arrangements.
Above-mentioned rotary reciprocating motion device can be used for air type compressor, constitute Rodless piston formula air compressor.Figure
13 show the structural representation of the piston type air compressor of the present embodiment.The present embodiment be 8 cylinder diesis type structures (or
For double X-type structure) piston type air compressor.In the present embodiment, mainly in combination with piston of its arrangement form to the present embodiment
Formula compressor is illustrated, and excessive description is not done for the body of compressor, drive device and attached accessory, and related part is referred to
Existing piston compressor.
Figure 13 is refer to, the 8 cylinder diesis type structures of the present embodiment include eight compression cylinders 200, and be placed in compressor
Both sides, the cylinder of side four and unilateral four cylinders are in cross arrangement, middle setting drive device, and driving is filled in the present embodiment
It is set to motor 100.Whole machine is arranged on base 300.
The piston type air compressor of the present embodiment is in addition to including body, drive device, also including two rotary reciprocating motions
Conversion equipment, is referred to as the first rotary reciprocating motion conversion equipment and the second rotary reciprocating motion conversion equipment.The present embodiment
In, two rotary reciprocating motion conversion device structures can be symmetricly set in body opposite side, passed through the driving of drive device with identical
Axle is connected.Certain both sides rotary reciprocating motion switching mechanism asymmetric can also be set.First rotary reciprocating motion turns
Changing device and the second rotary reciprocating motion conversion equipment can be using the rotary reciprocating motion converting means described by previous embodiment
Put, herein not reinflated description.
The first rotary reciprocating motion conversion equipment and the second rotary reciprocating motion conversion equipment after assembling are located at
On the body, and the bent axle of the two rotary reciprocating motions conversion equipment is connected with the drive device drive shaft, dress
Structure after matching somebody with somebody is as shown in figure 13.
In a specific example, the cylinder positioned at the rotary reciprocating motion conversion equipment of the both sides of drive device 10 is relative
Should arrange, (both sides are away from drive device) two reciprocating piston vibration-direction is identical on the outside of the whole machine, positioned at by
The vibration-direction of two reciprocating pistons of nearly drive device is identical, and direction of motion identical two-piston reaches same simultaneously
The top dead centre in one direction.That is, vibration-direction identical reciprocating piston is synchronized with the movement.This kind of arrangement can be further
Reduce the torque of whole machine so that the balance quality of the machine is greatly improved.
The constitutional balance performance of the air compressor arrangement of the embodiment of the present application is greatly enhanced so that whole machine has excellent
Different balance quality.Two above-mentioned rotary reciprocating motion transformational structures are identical, can be symmetricly set in body both sides, be driven by motor
Moving axis is connected, for example, can be with coaxial connection.
Further, relative to the piston type air compressor of existing two 2V structures, the piston type pneumatic of this structure
Compressor make it that discharge capacity is doubled in the case where not increasing body volume, also.
In addition, the rotary reciprocating motion conversion equipment in previous embodiment can also set one group of rotation back and forth to transport in one side
Dynamic conversion equipment, constitutes 4 cylinder cross-shaped configuration piston type air compressors.Rotary reciprocating motion conversion equipment can use above-mentioned
The structure of embodiment one, the other side of the present embodiment piston type air compressor can be with same as the previously described embodiments, here not
It is reinflated to discuss.
The application also provides one kind without connecting rod rotary reciprocating motion conversion equipment, and the equipment can be internal combustion engine, compression
One kind in machine, water pump, slush pump.The equipment uses the rotary reciprocating motion conversion equipment of previous embodiment.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this area skill
Art personnel without departing from the spirit and scope of the present invention, can make possible variation and modification, therefore the guarantor of the present invention
The scope that shield scope should be defined by the claims in the present invention is defined.
Claims (13)
1. a kind of rotary reciprocating motion conversion equipment, it is characterised in that including vuilt-up crankshaft, eccentric shaft and two reciprocating motions
Element;
The vuilt-up crankshaft includes positioned at two ends and is coaxially disposed trunnion, is arranged at two crank arms of two trunnion opposite ends
And the crank-pin between two crank arm is arranged at, the crank-pin is detachable knot at least with wherein one end crank arm
Structure, the two is connected as one by connector;
The eccentric shaft includes hollow shaft part and two eccentric cylinders being arranged on the hollow shaft part, the hollow shaft part
Through two eccentric cylinder, two eccentric cylinder phases are set in 180 degree, and the two axisymmetrical is arranged at hollow shaft part axle
Line both sides;
Eccentric cylinder accommodating hole is provided with the reciprocating motion element;
During assembling, the hollow shaft part of the eccentric shaft is rotatably socketed on the crank-pin of the vuilt-up crankshaft, each
Reciprocating motion element is rotatably socketed on an eccentric cylinder of the eccentric shaft by its eccentric cylinder accommodating hole
On, the reciprocating motion element vibration-direction set outside two eccentric cylinders is in 90 degree of arrangements.
2. rotary reciprocating motion conversion equipment according to claim 1, it is characterised in that the reciprocating motion element is double
Piston, including piston head and the piston seat of connection two-piston head positioned at both sides are acted on, the eccentric cylinder accommodating hole is set
It is placed on the piston seat;Or
One reciprocating motion element is piston, and another reciprocating motion element is dynamic balance slide block.
3. rotary reciprocating motion conversion equipment according to claim 1 or 2, it is characterised in that connection is described to be moved back and forth
Oilless bearing is used between element and eccentric cylinder and between hollow shaft part and bent axle.
4. the rotary reciprocating motion conversion equipment according to right 1 or 2, it is characterised in that the vuilt-up crankshaft includes:
Main side and secondary end, the main side include the first trunnion, the first crank arm being wholely set with first trunnion, with
And by the first crank arm away from outwardly directed first crank-pin in first trunnion one end;First crank-pin is hollow knot
Structure, and the hollow structure extends to the free end of the first trunnion along the first crank pin axis, first crank-pin from
By holding as tapered end;
The secondary end includes the second trunnion, the second crank arm being wholely set with second trunnion, and bent by second
Shaft arm is away from outwardly directed second crank-pin in second trunnion one end;The free end of second crank-pin be provided with it is foregoing
The taper hole that tapered end is engaged, screwed hole is additionally provided with the taper hole bottom
During combination, after the taper hole of second crank-pin at the tapered end of the first crank-pin of main side and secondary end is engaged, passed through by bolt
Main side is simultaneously threaded in the screwed hole at secondary end, and main side is combined into one with secondary end.
5. rotary reciprocating motion conversion equipment according to claim 4, it is characterised in that coordinate in the tapered end and taper hole
Part is additionally provided with location structure.
6. rotary reciprocating motion conversion equipment according to claim 5, it is characterised in that the location structure is to be arranged at
Tapered end and two pairs of half bore of taper hole opposite position and two alignment pins;After combination, two pairs of half bore of opposite position are aligned, structure
Into complete positioning hole, alignment pin is placed in the positioning hole.
7. rotary reciprocating motion conversion equipment according to claim 4, it is characterised in that two in the vuilt-up crankshaft are bent
Counterweight is additionally provided with shaft arm.
8. according to any described rotary reciprocating motion conversion equipment of claim 1 to 7, it is characterised in that bent in the combination
The opposite end of two crank arms of axle, circular groove is offered along crank-pin, and the two ends of the hollow eccentric axle pass through bearing branch
Support in circular groove side wall.
9. according to any described rotary reciprocating motion conversion equipment of claim 2 to 7, it is characterised in that the piston with partially
The eccentric cylinder of heart axle is connected by rolling bearing.
10. rotary reciprocating motion conversion equipment according to claim 1, it is characterised in that the eccentric cylinder and institute
Hollow shaft part is stated to be integrally formed, or
The eccentric cylinder and the hollow shaft part are the split-type structural being fixed with one.
11. according to any described rotary reciprocating motion conversion equipment of claim 1 to 7, it is characterised in that the eccentric cylinder
External to be socketed with rolling bearing week, the eccentric cylinder periphery constitutes rolling bearing inner ring.
12. one kind is without connecting rod rotary reciprocating motion conversion equipment, it is characterised in that the equipment is any using claim 1 to 11
Rotary reciprocating motion conversion equipment described in claim.
13. it is according to claim 12 without connecting rod rotary reciprocating motion conversion equipment, it is characterised in that the equipment is interior
One kind in combustion engine, compressor, water pump, slush pump.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201710236724 | 2017-04-12 | ||
CN201710236724X | 2017-04-12 |
Publications (1)
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CN106949214A true CN106949214A (en) | 2017-07-14 |
Family
ID=59341001
Family Applications (9)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720493714.XU Withdrawn - After Issue CN207620993U (en) | 2017-04-12 | 2017-05-05 | A kind of piston type air compressor and vehicle air compressor |
CN201720493310.0U Active CN207297610U (en) | 2017-04-12 | 2017-05-05 | Vuilt-up crankshaft, include no connecting rod rotary reciprocating motion transformational structure equipment |
CN201710312751.0A Active CN107143485B (en) | 2017-04-12 | 2017-05-05 | A kind of piston type air compressor and vehicle air compressor |
CN201710312205.7A Active CN107143484B (en) | 2017-04-12 | 2017-05-05 | Piston air compressor and automobile-used air compressor |
CN201720492843.7U Active CN207316001U (en) | 2017-04-12 | 2017-05-05 | Rotary reciprocating motion conversion equipment and the equipment using the device |
CN201720493773.7U Withdrawn - After Issue CN207761902U (en) | 2017-04-12 | 2017-05-05 | A kind of piston type air compressor and vehicle air compressor |
CN201710312833.5A Pending CN106949214A (en) | 2017-04-12 | 2017-05-05 | Rotary reciprocating motion conversion equipment and the equipment using the device |
CN201720493316.8U Active CN207278692U (en) | 2017-04-12 | 2017-05-05 | Eccentric shaft, include no connecting rod rotary reciprocating motion transformational structure equipment |
CN201710312859.XA Pending CN106979218A (en) | 2017-04-12 | 2017-05-05 | A kind of eccentric shaft |
Family Applications Before (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720493714.XU Withdrawn - After Issue CN207620993U (en) | 2017-04-12 | 2017-05-05 | A kind of piston type air compressor and vehicle air compressor |
CN201720493310.0U Active CN207297610U (en) | 2017-04-12 | 2017-05-05 | Vuilt-up crankshaft, include no connecting rod rotary reciprocating motion transformational structure equipment |
CN201710312751.0A Active CN107143485B (en) | 2017-04-12 | 2017-05-05 | A kind of piston type air compressor and vehicle air compressor |
CN201710312205.7A Active CN107143484B (en) | 2017-04-12 | 2017-05-05 | Piston air compressor and automobile-used air compressor |
CN201720492843.7U Active CN207316001U (en) | 2017-04-12 | 2017-05-05 | Rotary reciprocating motion conversion equipment and the equipment using the device |
CN201720493773.7U Withdrawn - After Issue CN207761902U (en) | 2017-04-12 | 2017-05-05 | A kind of piston type air compressor and vehicle air compressor |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
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CN201720493316.8U Active CN207278692U (en) | 2017-04-12 | 2017-05-05 | Eccentric shaft, include no connecting rod rotary reciprocating motion transformational structure equipment |
CN201710312859.XA Pending CN106979218A (en) | 2017-04-12 | 2017-05-05 | A kind of eccentric shaft |
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CN (9) | CN207620993U (en) |
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CN112840145A (en) * | 2018-10-18 | 2021-05-25 | 舍弗勒技术股份两合公司 | Unbalanced shaft |
CN113565730A (en) * | 2021-08-26 | 2021-10-29 | 瑞立集团瑞安汽车零部件有限公司 | Novel reciprocating positive displacement air compressor |
US20230175576A1 (en) * | 2021-12-02 | 2023-06-08 | Sencera Energy, Inc. | Apparatus and method for converting between linear and rotary motion and systems involving the same |
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CN207620993U (en) * | 2017-04-12 | 2018-07-17 | 中清能(北京)科技有限公司 | A kind of piston type air compressor and vehicle air compressor |
JP6281853B1 (en) * | 2017-10-03 | 2018-02-21 | 有限会社ケイ・アールアンドデイ | Rotary cylinder device |
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CN108433633A (en) * | 2018-06-13 | 2018-08-24 | 山西嘉世达机器人技术有限公司 | Dustbin and clean robot with it |
CN109537346B (en) * | 2019-01-08 | 2024-06-18 | 山东力脉智能科技股份有限公司 | Eccentric swinging shaft, manufacturing method thereof and dustpan sieve |
CN110056494A (en) * | 2019-05-20 | 2019-07-26 | 浙江万安其弗汽车零部件有限公司 | A kind of automobile-used oil-free air compressor |
CN110295995B (en) * | 2019-07-17 | 2022-02-11 | 李洋涛 | Structure capable of realizing full balance and multi-cylinder combined piston engine |
CN110863968B (en) * | 2019-12-12 | 2024-05-03 | 浙江洛森压缩机股份有限公司 | Double-pump-head air compressor |
CN114623064A (en) * | 2022-03-09 | 2022-06-14 | 王汝君 | Parallel multi-cylinder star-like piston compressor |
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Also Published As
Publication number | Publication date |
---|---|
CN207278692U (en) | 2018-04-27 |
CN207761902U (en) | 2018-08-24 |
CN107143484A (en) | 2017-09-08 |
CN106979218A (en) | 2017-07-25 |
CN107143485A (en) | 2017-09-08 |
CN207620993U (en) | 2018-07-17 |
CN207297610U (en) | 2018-05-01 |
CN207316001U (en) | 2018-05-04 |
CN107143485B (en) | 2019-10-18 |
CN107143484B (en) | 2020-01-24 |
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