CN204300267U - By the crankshaft & connecting that load impacting is little - Google Patents

By the crankshaft & connecting that load impacting is little Download PDF

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Publication number
CN204300267U
CN204300267U CN201420686781.XU CN201420686781U CN204300267U CN 204300267 U CN204300267 U CN 204300267U CN 201420686781 U CN201420686781 U CN 201420686781U CN 204300267 U CN204300267 U CN 204300267U
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CN
China
Prior art keywords
pin
bent axle
hole
connecting rod
rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420686781.XU
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Chinese (zh)
Inventor
王红星
谭明军
王怀平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING YIHU ENGINE MACHINERY Co Ltd
Original Assignee
CHONGQING YIHU ENGINE MACHINERY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201420686781.XU priority Critical patent/CN204300267U/en
Application granted granted Critical
Publication of CN204300267U publication Critical patent/CN204300267U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to by the little crankshaft & connecting of load impacting, comprise connecting rod and bent axle connecting box, the lower end of connecting rod is connected with bent axle by bent axle connecting box, and bent axle is provided with counterweight, be provided with pair of cams axle symmetrically respectively in the both sides of counterweight, camshaft is provided with gear; The lower end of piston rod has groove, and two sidewalls of this groove have the first coaxial pin-and-hole respectively, and the upper end of connecting rod is cylindrical structure, and the upper end of connecting rod has the second pin-and-hole; The upper end of connecting rod is arranged in described groove, and the internal surface of the outer surface of small end and groove has gap; Also comprise connecting pin, this connecting pin successively through first pin-and-hole, the second pin-and-hole and another first pin-and-hole, and connecting pin and the first pin-and-hole and the second pin-and-hole Spielpassung.Connecting rod is connected by connecting pin with piston rod, avoids the situation that integral type easily occurs to rupture as much as possible, make whole crankshaft & connecting have surface friction drag little, operate unobstructed and by the little advantage of load impacting.

Description

By the crankshaft & connecting that load impacting is little
Technical field
The utility model relates to motor Component, specifically refers to by the little crankshaft & connecting of load impacting.
Background technique
Crankshaft & connecting is the important arrangement components in crankcase structure, in existing crankcase crankshaft & connecting, what generally adopt is the structure that counterweight connects gear, the crankcase of this structure easily produces larger surface friction drag in crankcase runs up process, cause crankshaft-link rod to seize up, crankshaft-link rod frequently withstands shocks load greatly, makes crankshaft-link rod serious wear, cause the excessive temperature rise of crankshaft-link rod, occur that connecting rod breaks the phenomenon such as bar so that excessively heated axle.In addition, in bent axle working procedure, the lubrication connecting the piston rod pin of connecting rod and piston rod has material impact for the performance of overall engine, but in existing structure, the lubricating condition of piston rod pin is always poor, is difficult to satisfy the demand.In addition, because complex structure, pressurized air demand are comparatively large, connecting rod and piston rod one, and easily cause the problems such as the fracture of the not enough generation of structural strength.
Model utility content
For the problems referred to above that prior art exists, the purpose of this utility model is to provide one effectively can reduce crankshaft-link rod wearing and tearing, the crankshaft & connecting of piston rod pin high lubricating effect simultaneously.
For achieving the above object, the utility model adopts following technological scheme: by the crankshaft & connecting that load impacting is little, comprise connecting rod, it is characterized in that: also comprise bent axle connecting box, the lower end of described connecting rod is connected with bent axle by bent axle connecting box, described bent axle is provided with counterweight, is provided with pair of cams axle symmetrically respectively in the left and right sides of counterweight, described camshaft is provided with gear; The upper end of described connecting rod is connected with piston rod, and the top of piston rod is connected with spark plug, and in the both sides of piston rod, symmetrical is provided with push rod body, is provided with push rod in push rod body, and push rod can be movable back and forth in push rod body; The lower end of described piston rod has groove, and two sidewalls of this groove have the first coaxial pin-and-hole respectively, and the upper end of described connecting rod is cylindrical structure, and the upper end of connecting rod has the second pin-and-hole; The upper end of connecting rod is arranged in described groove, and the internal surface of the outer surface of small end and groove has gap; Also comprise connecting pin, this connecting pin successively through first pin-and-hole, the second pin-and-hole and another first pin-and-hole, and connecting pin and the first pin-and-hole and the second pin-and-hole Spielpassung.
As optimization, the two ends of described connecting pin are provided with snap ring.
As optimization, described bent axle connecting box comprises the lower upper cover of bent axle connection and is connected lower cover with bent axle, and the lower upper cover of described bent axle connection is connected lower cover with bent axle and removably connects.
Relative to prior art, the utility model tool has the following advantages:
1, piston rod in prior art and connecting rod are integrally divided into piston rod and connecting rod two parts, and linked together by pivot pin, connecting rod opposing pistons bar can rotate, and to solve in prior art because complex structure, pressurized air demand are comparatively large, the problem such as the easy-rupturing caused by structural strength deficiency that connecting rod and piston rod integrally cause.
2, have employed on bent axle and counterweight is installed, in the both sides of counterweight, camshaft is set respectively, camshaft installs gear, piston rod is connected in the upper end of connecting rod, piston rod is installed the mode of structure that spark plug drives push rod, make that crankshaft-link rod is on-stream does not produce temperature rise as much as possible, whole crankshaft & connecting is had, and surface friction drag is little, unobstructed, the wearing and tearing of operating are less with by the little advantage of load impacting.
Accompanying drawing explanation
Fig. 1 is the plan view by the little crankshaft & connecting of load impacting.
Fig. 2 is the enlarged view at Figure 1A place
Fig. 3 is the side-looking assembly structure schematic diagram of Fig. 1 crankshaft & connecting.
Description of reference numerals: connecting rod 10, groove 11, connecting pin 12, bent axle 20, counterweight 21, camshaft 22, gear 23, bent axle connects upper cover 31, and bent axle connects lower cover 32, piston rod 40, push rod body 41, push rod 42, spark plug 50.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
In description of the present utility model, it will be appreciated that, term " on ", D score, "front", "rear", "left", "right", " top ", " end " " interior ", " outward ", etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, " 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.
See Fig. 1 to Fig. 3, by the crankshaft & connecting that load impacting is little, comprise connecting rod and bent axle connecting box, bent axle connecting box comprises bent axle connection upper cover and is connected lower cover with bent axle, and bent axle connection upper cover is connected lower cover with bent axle and removably connects; Bent axle connection upper cover is connected lower cover and is half nahlock with bent axle, the middle part of its half nahlock has half slot.Bent axle connection upper cover is connected half nahlock of lower cover both sides with bent axle have vertical coaxial circular aperture, are respectively the first circular hole and the second circular hole.The bent axle connection upper cover of half nahlock is identical with the radius that bent axle connects lower cover, and the plane process polishing processing that two and half nahlocks are relative.Bent axle connect upper cover be connected with bent axle lower cover pass through through the first circular hole and the second circular hole fixing bolt and be connected to the set screw nut at fixing bolt top, bent axle is connected upper cover and is connected lower cover with bent axle and links together.
Bent axle connects upper cover and is fixedly connected with the lower end of connecting rod, connecting rod is connected upper cover with bent axle can be processed as entirety, also can have and connect in the following way: connecting rod lower end has tapped hole, bent axle covers on connecting and is fixed with connection boss, the periphery of this connection boss is processed with screw thread, connect boss to stretch in the tapped hole of connecting rod lower end, and the screw thread on the tapped hole of connecting rod lower end matches with the screw thread be connected on boss, lower end bent axle being connected upper cover and connecting rod links together.
Bent axle is connected under bent axle connects and covers, and bent axle is provided with counterweight, is provided with pair of cams axle symmetrically respectively, camshaft is provided with gear in the left and right sides of counterweight; The upper end of connecting rod is connected with piston rod, and the top of piston rod is connected with spark plug, and in the both sides of piston rod, symmetrical is provided with push rod body, is provided with push rod in push rod body, and push rod can be movable back and forth in push rod body.The lower end of described piston rod has groove, and two sidewalls of this groove have the first coaxial pin-and-hole respectively, and the upper end of connecting rod is cylindrical structure, and the upper end of connecting rod has the second pin-and-hole; The upper end of connecting rod is arranged in described groove, and the internal surface of the outer surface of small end and groove has gap; Also comprise connecting pin, this connecting pin successively through first pin-and-hole, the second pin-and-hole and another first pin-and-hole, and connecting pin and the first pin-and-hole and the second pin-and-hole Spielpassung, make connecting rod can groove interior be that axle rotates with connecting pin.
As optimization, the two ends of connecting pin are provided with snap ring, prevent connecting pin from deviating from from the second pin-and-hole and a pair first pin-and-holes.Load after in the second pin-and-hole and a pair first pin-and-holes at link pin and reinstall snap ring.The preferred forging clasp of snap ring, also can according to selecting bending clasp, back-action clasp, combined clasp, half and half clasp.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in right of the present utility model will in book.

Claims (3)

1. by the crankshaft & connecting that load impacting is little, comprise connecting rod, it is characterized in that: also comprise bent axle connecting box, the lower end of described connecting rod is connected with bent axle by bent axle connecting box, described bent axle is provided with counterweight, be provided with pair of cams axle symmetrically respectively in the left and right sides of counterweight, described camshaft is provided with gear;
The upper end of described connecting rod is connected with piston rod, and the top of piston rod is connected with spark plug, and in the both sides of piston rod, symmetrical is provided with push rod body, is provided with push rod in push rod body, and push rod can be movable back and forth in push rod body;
The lower end of described piston rod has groove, and two sidewalls of this groove have the first coaxial pin-and-hole respectively, and the upper end of described connecting rod is cylindrical structure, and the upper end of connecting rod has the second pin-and-hole; The upper end of connecting rod is arranged in described groove, and the internal surface of the outer surface of small end and groove has gap;
Also comprise connecting pin, this connecting pin successively through first pin-and-hole, the second pin-and-hole and another first pin-and-hole, and connecting pin and the first pin-and-hole and the second pin-and-hole Spielpassung.
2. the crankshaft & connecting little by load impacting as claimed in claim 1, is characterized in that: the two ends of described connecting pin are provided with snap ring.
3. the crankshaft & connecting little by load impacting as claimed in claim 1 or 2, is characterized in that: described bent axle connecting box comprises the lower upper cover of bent axle connection and is connected lower cover with bent axle, and the lower upper cover of described bent axle connection is connected lower cover with bent axle and removably connects.
CN201420686781.XU 2014-11-17 2014-11-17 By the crankshaft & connecting that load impacting is little Expired - Fee Related CN204300267U (en)

Priority Applications (1)

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CN201420686781.XU CN204300267U (en) 2014-11-17 2014-11-17 By the crankshaft & connecting that load impacting is little

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Application Number Priority Date Filing Date Title
CN201420686781.XU CN204300267U (en) 2014-11-17 2014-11-17 By the crankshaft & connecting that load impacting is little

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CN204300267U true CN204300267U (en) 2015-04-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104534040A (en) * 2014-11-17 2015-04-22 重庆翼虎动力机械有限公司 Crankshaft connecting rod mechanism with small load impact

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104534040A (en) * 2014-11-17 2015-04-22 重庆翼虎动力机械有限公司 Crankshaft connecting rod mechanism with small load impact

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150429

Termination date: 20151117

EXPY Termination of patent right or utility model