CN103527317B - The piston rod part of motor and there is its motor - Google Patents
The piston rod part of motor and there is its motor Download PDFInfo
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- CN103527317B CN103527317B CN201310528693.7A CN201310528693A CN103527317B CN 103527317 B CN103527317 B CN 103527317B CN 201310528693 A CN201310528693 A CN 201310528693A CN 103527317 B CN103527317 B CN 103527317B
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- 210000000707 wrist Anatomy 0.000 claims abstract description 101
- 230000006837 decompression Effects 0.000 claims abstract description 24
- 239000000945 filler Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 57
- 230000006835 compression Effects 0.000 abstract description 23
- 238000007906 compression Methods 0.000 abstract description 23
- 238000010304 firing Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 186
- 239000010720 hydraulic oil Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000035515 penetration Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The invention discloses a kind of piston rod part of motor and have its motor, described piston rod part comprises: piston, limits holding space in piston, has oil pocket in described holding space; Wrist pin, wrist pin can be located in holding space up or down, and has oil duct in wrist pin; Connecting rod, connecting rod is set on wrist pin, connecting rod has the filler opening communicated with oil duct; Slide block, slide block set to be located on wrist pin and to be positioned at holding space, has the slide block oil duct being communicated with oil duct and oil pocket in slide block; Spring, spring is only against between the inwall of holding space and the sidewall with the opposite side of slide block oil duct of slide block; And Decompression valves, Decompression valves is located at least one in wrist pin and piston.According to piston rod part of the present invention, the position of piston relative to connecting rod can be changed, the volume in the firing chamber of motor is changed, to reach the object of adjustment compression ratio.
Description
Technical field
The present invention relates to vehicular field, especially relate to a kind of piston rod part of motor and there is its motor.
Background technique
Traditional motor generally adopts the immutable piston of piston pin hole, to reach the gas pressure object transmitted firing chamber and produce.Generally, motor, when different rotating speeds, different load, reaches most high thermal efficiency required that the temperature of mixed gas, pressure are different, therefore, in motor whole service process, needs different compression ratios.
Traditional piston structure is simple, only has the function transmitting combustion chamber gases pressure, does not possess the function realizing alterable compression ratio.Motor is within the scope of whole service, and the compression ratio of needs is different, and traditional wrist pin cannot meet.Therefore, traditional motor compression ratio when low speed, sub load is not enough, and combustion thermal efficiency is low, and motor discharges, Economy is poor; And when high speed, high load, because compression ratio easily causes comparatively greatly early burning, pinking, causes engine performance to decline, and engine component is easily impaired.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is the piston rod part proposing a kind of motor, the alterable compression ratio of described piston rod part, can meet the demand to different compression ratio in engine operation process.
Another object of the present invention is to propose a kind of motor with above-mentioned piston rod part.
The piston rod part of motor according to a first aspect of the present invention, comprising: piston, limits holding space in described piston, has oil pocket in described holding space; Wrist pin, described wrist pin can be located in described holding space up or down, and has oil duct in described wrist pin; Connecting rod, described connecting rod is set on described wrist pin, described connecting rod has the filler opening communicated with described oil duct; Slide block, described slide block set to be located on described wrist pin and to be positioned at described holding space, has the slide block oil duct being communicated with described oil duct and described oil pocket in described slide block; Spring, described spring is only against between the inwall of described holding space and the sidewall with the opposite side of described slide block oil duct of described slide block; And Decompression valves, described Decompression valves is located at least one in described wrist pin and described piston.
The piston rod part of motor according to a first aspect of the present invention, by oil duct and the spring of piston of the present invention, wrist pin inside, the lifting of adjustment slide block, the position of piston relative to connecting rod can be changed, the volume in the firing chamber of motor is changed, to reach the object of adjustment compression ratio, thus the demand met to different compression ratio in engine operation process, achieve the lifting of engine performance, reduce the discharge of motor, improve the Economy of motor.
Particularly, described oil duct comprises: main oil gallery, and described main oil gallery extends along the axis of described wrist pin; With multiple secondary oil duct, described multiple secondary oil duct all communicates with described main oil gallery and radial direction along described wrist pin extends, and described multiple secondary oil duct comprises: the first secondary oil duct, and described first secondary oil duct communicates with described filler opening; With the second secondary oil duct, described second secondary oil duct communicates with described slide block oil duct.
Further, described main oil gallery runs through described wrist pin along the axis of described wrist pin, and described Decompression valves is two and described two Decompression valvess are located at the two ends of described main oil gallery respectively.
Alternatively, described first secondary oil duct and described second secondary oil duct are respectively four, and described four the first secondary oil ducts are uniformly distributed in the circumference of described wrist pin, and described four the second secondary oil ducts are uniformly distributed in the circumference of described wrist pin.
Further, the two ends of described slide block are respectively equipped with oil sealing, and described oil-sealing sleeve is located on described wrist pin and described oil sealing can move up and down relative to described wrist pin.Thus, by arranging oil sealing, effectively can prevent hydraulic oil from letting out from the two ends of slide block, effectively ensure that piston can adjust compression ratio according under motor different rotating speeds, different load to the requirement of compression ratio.
Further, be provided with oil sealing spool in each described oil sealing, described oil sealing spool can move up and down relative to described oil sealing.
Alternatively, described oil sealing and described piston interference fit.
Alternatively, described slide block and described wrist pin interference fit.
Alternatively, described slide block and described spring are respectively two, and described two slide blocks are symmetrical about the central axis of described connecting rod, described two springs and described two slide block one_to_one corresponding.
Motor according to a second aspect of the present invention, comprises the piston rod part of the motor according to the above-mentioned first aspect of the present invention.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the explosive view of the piston rod part of motor according to the embodiment of the present invention;
Fig. 2 is the schematic diagram of the piston rod part shown in Fig. 1;
Fig. 3 is the sectional drawing along the piston rod part of A-A line in Fig. 2;
Fig. 4 is another schematic diagram of the piston rod part shown in Fig. 1;
Fig. 5 is the sectional drawing along the piston rod part of B-B line in Fig. 4;
Fig. 6 is the sectional drawing along the piston rod part of C-C line in Fig. 4;
Fig. 7 is the schematic diagram of the wrist pin of the piston rod part shown in Fig. 1;
Fig. 8 is the front view of the wrist pin shown in Fig. 7;
Fig. 9 is the side view of the wrist pin shown in Fig. 8;
Figure 10 is the sectional drawing along the wrist pin of D-D line in Fig. 9;
Figure 11 is the schematic diagram of the slide block of the piston rod part shown in Fig. 1;
Figure 12 is the front view of the slide block shown in Figure 11;
Figure 13 is the sectional drawing along the slide block of E-E line in Figure 12;
Figure 14 is the side view of the slide block shown in Figure 11;
Figure 15 is the sectional drawing along the slide block of F-F line in Figure 14;
Figure 16 is the schematic diagram of the oil sealing of the piston rod part shown in Fig. 1;
Figure 17 is the front view of the oil sealing shown in Figure 16;
Figure 18 is the sectional drawing along the oil sealing of G-G line in Figure 17;
Figure 19 is the side view of the oil sealing shown in Figure 16;
Figure 20 is the sectional drawing along the oil sealing of H-H line in Figure 19;
Figure 21 is the plan view of the oil sealing shown in Figure 16.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be communicating of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
The piston rod part 100 of the motor of embodiment is according to a first aspect of the present invention described below with reference to Fig. 1-Figure 21, the gas pressure produced in firing chamber (scheming not shown) can be passed to wrist pin 2 and connecting rod 3 by the piston 1 of motor, piston 1 does straight line motion under gas pressure, changes into the rotary motion of bent axle (scheming not shown) eventually through wrist pin 2, connecting rod 3.
As shown in figs 1 to 6, the piston rod part 100 of the motor of embodiment according to a first aspect of the present invention, comprises piston 1, wrist pin 2, connecting rod 3, slide block 4, spring 5 and Decompression valves 6.
Limit holding space in piston 1, there is in holding space oil pocket 11.Wrist pin 2 can be located in holding space up or down, and has oil duct 21 in wrist pin 2.Such as in the example of Fig. 1-Fig. 3, the holding space of hollow is limited in piston 1, holding space size is in the vertical direction greater than wrist pin 2 size in the vertical direction, thus wrist pin 2 can move up and down in holding space, there is in holding space oil pocket 11, limit oil duct 21 in wrist pin 2, oil duct 21 is communicated with the oil pocket 11 in piston 1, and the hydraulic oil passing into oil duct 21 like this can flow in oil pocket 11.
Connecting rod 3 is set on wrist pin 2, connecting rod 3 has the filler opening 31 communicated with oil duct 21.Such as at Fig. 1-Fig. 3, in the example of Fig. 6, the top of connecting rod 3 is formed with the through hole run through, wrist pin 2 can pass this through hole, thus connecting rod 3 can be enclosed within wrist pin 2, when doing straight line motion under the effect of piston 1 at gas pressure, wrist pin 2 can be passed through, connecting rod 3 drives crank rotation, filler opening 31 is formed in the bottom of connecting rod 3, connecting rod 3 is formed with the oil inlet passage 32 that the central axial direction along connecting rod 3 extends, filler opening 31 is communicated with the oil duct 21 of wrist pin 2 by oil inlet passage 32, thus can be flowed in oil pocket 11 via oil duct 21 by oil inlet passage 32 from the hydraulic oil that filler opening 31 passes into.
Slide block 4 is set on wrist pin 2, and slide block 4 is positioned at holding space, has the slide block oil duct 41 being communicated with oil duct 21 and oil pocket 11 in slide block 4.Such as in the example of Fig. 1-Fig. 5, slide block 4 is formed with the perforation 42 run through, perforation 42 is formed in the top of slide block 4, wrist pin 2 can pass this perforation 42, thus slide block 4 can be enclosed within wrist pin 2, alternatively, the internal face of perforation 42 is formed as the shape suitable with the shape of the outer wall of wrist pin 2, slide block oil duct 41 is formed in the bottom of slide block 4, and the upper end of slide block oil duct 41 is communicated with oil duct 21, the lower end of slide block oil duct 41 is communicated with the oil pocket 11 in holding space, oil duct 21 on wrist pin 2 is communicated with oil pocket 11 by such slide block oil duct 41, thus the hydraulic oil in oil duct 21 can be passed in oil pocket 11 by slide block oil duct 41.
Spring 5 is only against between the inwall of holding space and the sidewall with the opposite side of slide block oil duct 41 of slide block 4.Such as in the example of Fig. 2 and Fig. 3, spring 5 is only against between the roof of holding space and the top of slide block 4, and spring 5 is relative in the radial direction of wrist pin 2 with slide block oil duct 41, like this when passing into hydraulic oil from the filler opening 31 of connecting rod 3 in connecting rod 3, hydraulic oil can enter in the oil duct 21 of wrist pin 2 by oil inlet passage 32, then enter in the oil pocket 11 of piston 1 by slide block oil duct 41, along with the increase of the oil mass in oil pocket 11 and oil pressure, piston 1 can move down and Compress Spring 5 by opposing pistons pin 2.
With reference to Fig. 1-Fig. 3, Decompression valves 6 is located at least one in wrist pin 2 and piston 1.That is, Decompression valves 6 can only be located on wrist pin 2, or is only located on piston 1, or is located on wrist pin 2 and piston 1 simultaneously.It is to be appreciated that the concrete setting position of Decompression valves 6 can be arranged according to actual requirement, to meet actual requirement better.
When opening Decompression valves 6, the hydraulic oil in oil pocket 11 can reduce gradually, and spring 5 resets, and can realize piston 1 and move up relative to wrist pin 2, thus achieve the alterable compression ratio of motor.
The piston rod part 100 of the motor of embodiment according to a first aspect of the present invention, by oil duct 21 and the spring 5 of piston 1 of the present invention, wrist pin 2 inside, the lifting of adjustment slide block 4, the position of piston 1 relative to connecting rod 3 can be changed, volume in the firing chamber of motor is changed, to reach the object of adjustment compression ratio, thus the demand met to different compression ratio in engine operation process, achieve the lifting of engine performance, reduce the discharge of motor, improve the Economy of motor.
In one embodiment of the invention, as shown in Fig. 3, Fig. 7-Figure 10, oil duct 21 comprises: main oil gallery 211 and multiple secondary oil duct, and main oil gallery 211 extends along the axis of wrist pin 2.Multiple secondary oil duct all communicates with main oil gallery 211 and radial direction along wrist pin 2 extends, and multiple secondary oil duct comprises: the first secondary oil duct 221 and the secondary oil duct 221 of the second secondary oil duct 222, first communicate with filler opening 31, and the second secondary oil duct 222 communicates with slide block oil duct 41.
Such as in Fig. 7-Figure 10 example, the shape of cross section of main oil gallery 211 is circular, and main oil gallery 211 and wrist pin 2 are coaxially arranged, wrist pin 2 is formed with the groove 23 of annular, groove 23 is radially-inwardly recessed into along wrist pin 2, each secondary oil duct is all formed on the inwall of groove 23, and the inner of each secondary oil duct is connected with main oil gallery 211, the periphery wall of wrist pin 2 is run through in the outer end of each secondary oil duct, wherein the first secondary oil duct 221 is communicated with by oil inlet passage 32 with the filler opening 31 of connecting rod 3, second secondary oil duct 222 is communicated with the slide block oil duct 41 of slide block 4, like this when Decompression valves 6 cuts out, the hydraulic oil passed into from filler opening 31 can pass in main oil gallery 211 from the first secondary oil duct 221 by the groove 23 of annular, then flow out from the second secondary oil duct 222, groove 23 through annular enters in slide block oil duct 41, finally enter oil pocket 11, when Decompression valves 6 is opened, hydraulic oil in oil pocket 11 can enter in the second secondary oil duct 222 via the groove 23 of annular by slide block oil duct 41, then flow in main oil gallery 211.Here, it should be noted that, " the inner " can be understood as the one end towards wrist pin 2 center, and its other end is defined as " outer end ", namely away from the one end at wrist pin 2 center.It is to be appreciated that the quantity of the first secondary oil duct 221 and the second secondary oil duct 222 can be arranged according to actual requirement, to meet actual requirement better.
Further, main oil gallery 211 runs through wrist pin 2 along the axis of wrist pin 2, and Decompression valves 6 is two and two Decompression valvess 6 are located at the two ends of main oil gallery 211 respectively.With reference to Fig. 3, Fig. 7-Figure 10, main oil gallery 211 is the through hole extended along the central axis of wrist pin 2, two Decompression valvess 6 are located at the two ends of this through hole respectively, open two Decompression valvess 6, the hydraulic oil in oil pocket 11 can pass through the secondary oil duct 222 of slide block oil duct 41, second successively, then flows out from the two ends of main oil gallery 211, thus the hydraulic oil in oil pocket 11 reduces, spring 5 resets, and piston 1 opposing pistons pin 2 moves up, and unnecessary hydraulic oil enters crankcase (scheming not shown).
Alternatively, the first secondary oil duct 221 and the second secondary oil duct 222 are respectively four, and four the first secondary oil ducts 221 are uniformly distributed in the circumference of wrist pin 2, and four the second secondary oil ducts 222 are uniformly distributed in the circumference of wrist pin 2.Such as in the example of Fig. 7-Figure 10, four the first secondary oil ducts 221 are located at the central authorities of wrist pin 2, and the angle between adjacent two the first secondary oil ducts 221 is 90 °, the two ends of four the second secondary oil duct 222 adjacent piston pins 2 are arranged, and the angle between adjacent two the second secondary oil ducts 222 is 90 °.
In one embodiment of the invention, as shown in Fig. 1-Fig. 3, Figure 16-Figure 21, the two ends of slide block 4 are respectively equipped with oil sealing 7, and oil sealing 7 is set on wrist pin 2 and oil sealing 7 can move up and down relative to wrist pin 2.Further, be provided with oil sealing spool 8 in each oil sealing 7, oil sealing spool 8 can move up and down relative to oil sealing 7.
Such as at Fig. 1-Fig. 3, in the example of Figure 16-Figure 21, the two ends of slide block 4 are respectively equipped with an oil sealing 7, oil sealing 7 is formed with the penetration hole 71 run through, wrist pin 2 can pass this penetration hole 71, thus oil sealing 7 can be enclosed within this penetration hole 71, penetration hole 71 is roughly long-round-shape, such oil sealing 7 can move in the vertical direction relative to wrist pin 2, the top of oil sealing 7 is formed with mounting groove 72, mounting groove 72 is recessed into downwards from the upper surface of oil sealing 7, oil sealing spool 8 can be arranged in mounting groove 72, oil sealing spool 8 is roughly rectangular plate, oil sealing spool 8 is formed with the circular port run through, the inner circle wall of circular port can be formed as the shape suitable with the shape of the periphery wall of wrist pin 2, when piston 1 is relative and wrist pin 2 moves up and down, oil sealing spool 8 maintains static relative to wrist pin 2, and oil sealing 7 moves up and down relative to wrist pin 2, such slide block 4, the oil sealing 7 with oil sealing spool 8 of slide block 4 both sides, the diapire of wrist pin 2 and holding space limits oil pocket 11 jointly, by arranging oil sealing 7 and oil sealing spool 8, effectively prevent hydraulic oil to let out from the two ends of slide block 4, and effectively ensure that piston 1 can move up and down relative to wrist pin 2, thus ensure that piston 1 can according to motor different rotating speeds, under different load, compression ratio is adjusted to the requirement of compression ratio.
Alternatively, oil sealing 7 and piston 1 interference fit.Thus, effectively can prevent hydraulic oil from going out from the slot leakage between oil sealing 7 and piston 1, thus effectively ensure that piston 1 can adjust compression ratio according under motor different rotating speeds, different load to the requirement of compression ratio.
Alternatively, slide block 4 and wrist pin 2 interference fit.Thus, effectively ensure that the hydraulic oil passed into from the oil duct 21 of wrist pin 2 can be entered in oil pocket 11 by the slide block oil duct 41 of slide block 4, thus the hydraulic oil in oil pocket 11 can promote slide block 4, and then drive piston 1 to move down.
Alternatively, slide block 4 and spring 5 are respectively two, and two slide blocks 4 are symmetrical about the central axis of connecting rod 3, two springs 5 and two slide block 4 one_to_one corresponding.As shown in Figure 1-Figure 3, the two ends of wrist pin 2 are respectively equipped with a slide block 4, the top of each slide block 4 is provided with a spring 5, and the two ends of each slide block 4 are respectively equipped with an oil sealing 7, be provided with an oil sealing spool 8 in each oil sealing 7, the two ends of the main oil gallery 211 of wrist pin 2 are respectively equipped with a Decompression valves 6.
When the Decompression valves 6 at wrist pin 2 two ends cuts out, hydraulic oil can successively by the filler opening 31 of connecting rod 3, oil inlet passage 32, first secondary oil duct 221 of wrist pin 2, main oil gallery 211, the second corresponding with two slide blocks 4 respectively secondary oil duct 222, slide block oil duct 41 passes in oil pocket 11, along with the oil mass of the hydraulic oil in oil pocket 11 and the increase of oil pressure, two slide blocks 4 can compress the spring 5 corresponding with it respectively, thus realize piston 1 and move relative to the relative position of connecting rod 3, otherwise, when the Decompression valves 6 at wrist pin 2 two ends is opened, hydraulic oil in oil pocket 11 can pass through slide block oil duct 41 successively, the second corresponding with two slide blocks 4 respectively secondary oil duct 222, the two ends of main oil gallery 211 are flowed out, thus achieve two springs 5 and automatically reset, and then achieve the alterable compression ratio of motor, unnecessary hydraulic oil enters crankcase.Thus, by arranging two slide blocks 4 and two springs 5, effectively ensure that the stationarity that piston 1 moves.
When piston rod part 100 assembles, based on piston 1, first connecting rod 3, wrist pin 2, oil sealing 7, oil sealing spool 8 are assembled, and then slide block 4, spring 5, oil sealing 7 that oil sealing spool 8 is housed are assembled together, make four oil sealings 7 respectively with piston 1 interference fit, two slide blocks 4 respectively with wrist pin 2 interference fit, piston 1, two slide blocks 4, four are equipped with in oil sealing 7 assembly process of oil sealing spool 8 and form two closed oil pockets 11 respectively.
According to the piston rod part 100 of the motor of the embodiment of the present invention, electromagnetic valve oil pressure can be passed through, dependence oil pocket 11 increases the pressure difference between oil pocket 11 and its corresponding spring 5, thus control slide block 4 drive wrist pin 2 together opposing pistons 1 move up and down in setting range, realize piston 1 position that is relative and connecting rod 3 to change, the accommodation of the firing chamber of motor is changed, reach the object of adjustment compression ratio, thus the demand met to different compression ratio in engine operation process, achieve the lifting of engine performance, reduce the discharge of motor, improve the Economy of motor.
According to the piston rod part 100 of the motor of the embodiment of the present invention, piston rod part 100 effectively can control the compression ratio of motor, the thermal efficiency of motor is made to reach maximum, improve the power character of motor, fuel consumption and emission performance, and the processing and assembling of piston rod part 100 is simple, is easy to operation, has and can manufacture and assembling capacity.
The motor of embodiment according to a second aspect of the present invention, comprises the piston rod part 100 of the motor according to the above-mentioned first aspect embodiment of the present invention.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. a piston rod part for motor, is characterized in that, comprising:
Piston, limits holding space in described piston, has oil pocket in described holding space;
Wrist pin, described wrist pin can be located in described holding space up or down, and has oil duct in described wrist pin;
Connecting rod, described connecting rod is set on described wrist pin, described connecting rod has the filler opening communicated with described oil duct;
Slide block, described slide block set to be located on described wrist pin and to be positioned at described holding space, has the slide block oil duct being communicated with described oil duct and described oil pocket in described slide block;
Spring, described spring is only against between the inwall of described holding space and the sidewall with the opposite side of described slide block oil duct of described slide block; And
Decompression valves, described Decompression valves is located at least one in described wrist pin and described piston.
2. the piston rod part of motor according to claim 1, is characterized in that, described oil duct comprises:
Main oil gallery, described main oil gallery extends along the axis of described wrist pin; With
Multiple secondary oil duct, described multiple secondary oil duct all communicates with described main oil gallery and radial direction along described wrist pin extends, and described multiple secondary oil duct comprises:
First secondary oil duct, described first secondary oil duct communicates with described filler opening; With
Second secondary oil duct, described second secondary oil duct communicates with described slide block oil duct.
3. the piston rod part of motor according to claim 2, is characterized in that, described main oil gallery runs through described wrist pin along the axis of described wrist pin, and described Decompression valves is two and described two Decompression valvess are located at the two ends of described main oil gallery respectively.
4. the piston rod part of motor according to claim 2, it is characterized in that, described first secondary oil duct and described second secondary oil duct are respectively four, and described four the first secondary oil ducts are uniformly distributed in the circumference of described wrist pin, described four the second secondary oil ducts are uniformly distributed in the circumference of described wrist pin.
5. the piston rod part of motor according to claim 1, is characterized in that, the two ends of described slide block are respectively equipped with oil sealing, and described oil-sealing sleeve is located on described wrist pin and described oil sealing can move up and down relative to described wrist pin.
6. the piston rod part of motor according to claim 5, is characterized in that, is provided with oil sealing spool in each described oil sealing, and described oil sealing spool can move up and down relative to described oil sealing.
7. the piston rod part of motor according to claim 5, is characterized in that, described oil sealing and described piston interference fit.
8. the piston rod part of motor according to claim 1, is characterized in that, described slide block and described wrist pin interference fit.
9. the piston rod part of the motor according to any one of claim 1-8, it is characterized in that, described slide block and described spring are respectively two, and described two slide blocks are symmetrical about the central axis of described connecting rod, described two springs and described two slide block one_to_one corresponding.
10. a motor, is characterized in that, comprises the piston rod part of motor as claimed in any one of claims 1-9 wherein.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310528693.7A CN103527317B (en) | 2013-10-30 | 2013-10-30 | The piston rod part of motor and there is its motor |
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| CN201310528693.7A CN103527317B (en) | 2013-10-30 | 2013-10-30 | The piston rod part of motor and there is its motor |
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| CN103527317A CN103527317A (en) | 2014-01-22 |
| CN103527317B true CN103527317B (en) | 2016-01-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104533636A (en) * | 2014-11-05 | 2015-04-22 | 张素英 | Variable-compression ratio system of engine and control method of variable-compression ratio system |
| CN113446112A (en) * | 2021-07-29 | 2021-09-28 | 一汽解放汽车有限公司 | Piston link mechanism and engine |
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|---|---|---|---|---|
| CN201407166Y (en) * | 2009-04-16 | 2010-02-17 | 柳州玉动柴油机器有限公司 | Piston connecting rod assembly of internal combustion engine type novel air compressor |
| CN201394733Y (en) * | 2009-04-30 | 2010-02-03 | 宁波以赛亚汽车空压机有限公司 | Assembling device of piston connecting rod component |
| CN201412235Y (en) * | 2009-06-13 | 2010-02-24 | 李�瑞 | Engine cylinder piston connecting rod assembly |
| WO2012066834A1 (en) * | 2010-11-18 | 2012-05-24 | 三菱重工業株式会社 | Cross head for cross head type diesel engine |
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| CN103527317A (en) | 2014-01-22 |
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