CN201599374U - Circular sliding block and internal-combustion engine and compressor with circular sliding block - Google Patents
Circular sliding block and internal-combustion engine and compressor with circular sliding block Download PDFInfo
- Publication number
- CN201599374U CN201599374U CN2010201070920U CN201020107092U CN201599374U CN 201599374 U CN201599374 U CN 201599374U CN 2010201070920 U CN2010201070920 U CN 2010201070920U CN 201020107092 U CN201020107092 U CN 201020107092U CN 201599374 U CN201599374 U CN 201599374U
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- China
- Prior art keywords
- smooth block
- hole
- cap
- sliding block
- threaded fastener
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Abstract
The utility model discloses a circular sliding block, which is in a split structure. The split surface of the circular sliding block is used for splitting an eccentric circular hole into two semi-holes; two split portions of the circular sliding block are respectively a main body and a cover portion; a counter bore is arranged on the main body; an opening of the counter bore is positioned on the split surface of the main body; a positioning hole is arranged on the upper portion of the counter bore; a threaded hole is arranged on the lower portion of the counter bore; a through hole penetrating from the spilt surface of the cover portion to the outer circumferential surface of the cover portion is arranged on the cover portion at the position corresponding to the counter bore of the main body; and the through hole is a counter bore with a positioning portion. When in assembly, a thread fastening part penetrating through the counter bore on the cover portion is screwed into the corresponding counter bore on the main body, and the main body and the cover portion are fixed into a whole, wherein the thread fastening part is provided with a positioning portion. The circular sliding block is convenient to be positioned and assembled when the whole circular sliding block is assembled. The utility model further provides an internal-combustion engine and a compressor with a crank circular sliding block mechanism.
Description
Technical field
The utility model relates to the movement conversion mechanism of crank round slider, is specifically related to a kind of smooth block of crank round slider movement conversion mechanism.The utility model also relates to a kind of internal-combustion engine and compressor of circular slider-crank mechanism simultaneously.
Background technique
In traditional internal-combustion engine and compressor, realize conversion between the rotatablely moving of the to-and-fro motion of piston and bent axle by connecting rod.Yet defectives such as in described connecting rod, because the existence of connecting rod, that the internal-combustion engine of connecting rod and compressor have is bulky, heavy, balance quality difference.
For addressing the above problem, the authorization day for announcing is that the Chinese patent that January 13, notification number in 1988 are CN85100358B discloses a kind of " crankshaft circular slide block reciprocating piston internal combustion engine "; Authorization is that the Chinese patent that December 14, notification number in 1988 are CN85100359B discloses a kind of " crankshaft circalar slide block reciprocating piston compressor " day for announcing.Notice of authorization day is June 27 calendar year 2001, notice of authorization number to disclose a kind of " crank and double-round slide reciprocating piston internal combustion engine " for the Chinese patent of CN1067741C.Notice of authorization day is June 27 calendar year 2001, notice of authorization number to disclose a kind of " crank and multi-round slide reciprocating piston internal combustion engine " for the Chinese patent of CN1067742C.
Disclosed internal-combustion engine of above-mentioned Chinese patent and compressor common feature are in wherein to-and-fro motion and the switching mechanism that rotatablely moves, to have replaced connecting rod with circular slider-crank mechanism.The smooth block of circular slider-crank mechanism is provided with eccentric circular hole.The piston seat of piston is provided with circular slider accommodation hole.During assembling, smooth block is placed described circular slider accommodation hole, smooth block can rotate in described circular slider accommodation hole; The crank pin of bent axle is assemblied in the described eccentric circular hole, and crank pin can rotate in described eccentric circular hole.
During work, for internal-combustion engine, combustion gas in the firing chamber expand and promote piston motion, driving the smooth block that is arranged at wherein by piston moves reciprocatingly, and smooth block rotates in described piston simultaneously, and described to-and-fro motion rotates around the central axis of bent axle with the synthetic central axis of the eccentric circular hole on the smooth block that makes that rotatablely moves; And the dead in line of the crank pin of the central axis of described eccentric circular hole and bent axle, thereby can realize the conversion that rotatablely moves that reciprocates to bent axle of piston.Be the reciprocating conversion of the piston that rotatablely moves of bent axle during compressor operating, principle is the same.
In circular slider-crank mechanism, smooth block be connect piston and bent axle, realize to-and-fro motion and rotatablely move between the critical piece changed.Wherein, smooth block is generally the oblate cylinder with two opposite end faces and outer circumferential face, and eccentric circular hole runs through described two opposite end faces, and the central axis of described eccentric circular hole has predetermined distance and parallel with the central axis of smooth block; In case of necessity, also need described smooth block is gone heavily, to alleviate its weight.
When the smooth block bent axle was assembled together, the crank pin of bent axle need be assemblied in the eccentric circular hole of smooth block.Thereby, need to consider as how smooth block is set on the crank pin of bent axle.Particularly on the compressor of powerful internal-combustion engine or big discharge capacity, need to adopt long stroke, bigger cylinder diameter, and also need multi-cylinder to arrange sometimes, this just requires to adopt all-in-one-piece mulit-turning crankshaft, and how smooth block being set on the described all-in-one-piece mulit-turning crankshaft will be distinct issues.
The model utility content
The utility model provides a kind of smooth block, the split-type structural of the fixing assembling of threaded fastener is adopted in smooth block of the present utility model design, is convenient to locate assembling when whole, is convenient to during at the formation circular slider-crank mechanism on the crank pin that smooth block is set in bent axle constituting smooth block.The utility model provides a kind of internal-combustion engine and compressor that uses above-mentioned smooth block in addition.
A kind of smooth block that the utility model provides is applied to circular slider-crank mechanism; Described smooth block has eccentric circular hole, and wherein, described smooth block is a split type structure, and its split surface is two and half holes with described eccentric circular hole subdivision; Two-part that described smooth block is formed by subdivision are called body and cap; Described body is provided with the counterbore in its split surface upper shed, and described counterbore top is positioning hole, and the bottom is a tapped hole; Counterbore relevant position with described body on described cap is provided with the through hole that is through to its outer circumferential face by the split surface of described cap, and described through hole is the counter sink of band localization part; During assembling, threaded fastener passes on the described cap counter sink and screws on the body in the corresponding counterbore, and described body and cap are fixed as one; Wherein, described threaded fastener has localization part.
Optionally, the central axis of the described eccentric circular hole of described split surface process, and vertical with the plane, central axis place of described eccentric circular hole central axis and smooth block.
Optionally, after described threaded fastener was screwed in described counterbore, the head of described threaded fastener was lower than the outer circumferential face of described smooth block, formed oil storage space between the outer circumferential face of the head of described threaded fastener and described cap.
Optionally, counterbore on body and the cap and tapped hole are at least two; Accordingly, described threaded fastener also is at least two.
Optionally, described threaded fastener is a holding down bolt.
The utility model also provides a kind of internal-combustion engine, comprises any described smooth block of scheme in the technique scheme.
The utility model also provides a kind of compressor, comprises any described smooth block of scheme in the technique scheme.
Compared with prior art, in the technical solution of the utility model, be body and cap two-part, and fixedly be assembled into one, form complete smooth block by the threaded fastener of band localization part with the smooth block subdivision; Two-part of this smooth block not only can be processed respectively, make processing and assembling simple; And when parts such as smooth block and bent axle are assembled, be convenient to and the assembling of integrally formed bent axle, flexibility and convenience when improving assembling, it is more convenient also to make the mechanism's dismounting that comprises this smooth block safeguard; In addition, when being assembled into one, threaded fastener also has positioning action to described body and cap, and can guarantee that the smooth block that constitutes outer circumferential face and eccentric circular hole when work do not lose circle.
Description of drawings
Fig. 1 is the embodiment's of a smooth block of the present utility model schematic representation;
Fig. 2 is the schematic representation of the body behind the smooth block subdivision shown in Figure 1;
Fig. 3 is one of schematic representation of the cap behind the smooth block subdivision shown in Figure 1;
Fig. 4 be the cap behind the smooth block subdivision shown in Figure 1 schematic representation two;
Fig. 5 is the structural representation of the holding down bolt among the embodiment of smooth block of the present utility model.
Embodiment
Be described in detail below in conjunction with specific embodiment and accompanying drawing smooth block circular slider-crank mechanism of the present utility model.Need to prove; following embodiment should be as the restriction to claim protection domain of the present utility model to the description of ins and outs; under the condition of the protection domain that does not deviate from claim; those skilled in the art are according to embodiment's of the present utility model instruction, with recognize many other distortion, substitute or revise.
Fig. 1 is the embodiment's of a smooth block of the present utility model schematic representation, Fig. 2 is the schematic representation of the body behind the smooth block subdivision shown in Figure 1, Fig. 3 is one of schematic representation of the cap behind the smooth block subdivision shown in Figure 1, Fig. 4 be the cap behind the smooth block subdivision shown in Figure 1 schematic representation two.
Please refer to Fig. 1, in the utility model, smooth block 1 is oblate cylinder, and it has circular outer circumferential face, and this outer circumferential face matches with circular slider accommodation hole on being arranged at reciprocating member (for example piston or dynamic balance slide block).When smooth block 1 places circular slider accommodation hole, can be slidingly matched between the two.
Described smooth block 1 has two opposing end faces, and described smooth block 1 is provided with the manhole 1-1 that runs through its both ends of the surface, is called eccentric circular hole 1-1.The central axis of described eccentric circular hole 1-1 is parallel with the central axis of described smooth block 1, but does not overlap.
The distance of the central axis of this smooth block 1 of the center axis deviation of described eccentric circular hole 1-1 is called throw of eccentric, and described throw of eccentric can be decided according to the stroke of reciprocating member.Described eccentric circular hole 1-1 is a manhole, it is used to hold the crank pin of crankshaft component, its size make crank pin can and eccentric circular hole between be slidingly matched, after perhaps sliding bearing or rolling bearing being set in eccentric circular hole, crank pin matches with the inner peripheral surface of sliding bearing or rolling bearing.
In addition, on described smooth block 1, can also be provided with weight structure.As shown in fig. 1 remove repeated hole 1-2.
Described weight of going repeated hole 1-2 can alleviate smooth block 1 is set, makes when this smooth block 1 is applied to the crank round slider movement conversion mechanism to have the small rotation quality.In addition, the described position of centre of gravity that goes repeated hole 1-2 can also adjust smooth block 1, make smooth block 1 center of gravity near or overlap with the outer circumferential face geometric centroid of smooth block 1.
In the present embodiment, described smooth block 1 is a split type structure, please continue with reference to figure 1, and described smooth block 1 is split into body 1a and cap 1b two-part, and split surface 1-3 is two and half holes through the center of described eccentric circular hole 1-1 with described eccentric circular hole 1-1 subdivision.On described body 1a and the cap 1b one and half holes are arranged respectively.Described two and half holes can be half identical holes.Two-part 1a that subdivision forms and 1b fixedly are assembled into one by the threaded fastener that has localization part, form smooth block 1 as shown in Figure 1.In the present embodiment, described threaded fastener is holding down bolt 1-8.
In the present embodiment, the split surface 1-3 that described smooth block is split into body 1a and cap 1b for the vertical face in plane, central axis place of described eccentric circular hole 1-1 central axis and smooth block.
Below in conjunction with Fig. 2 to Fig. 5 described body 1a, cap 1b and holding down bolt 1-8 are elaborated.
Please refer to Fig. 2 and Fig. 3, the face that split surface 1-3 forms on body 1a and cap 1b after with smooth block 1 subdivision is respectively split surface 1-3a and 1-3b.
Described split surface 1-3 is two and half holes with described eccentric circular hole 1-1 subdivision: the 1-1b on 1-1a on the body 1a and the cap 1b.
Please refer to Fig. 2, also be provided with counterbore 1-4 on the described body 1a in described split surface 1-3a upper shed.The top of described counterbore 1-4 is positioning hole, and the bottom is a tapped hole.Play the role of positioning when wherein said positioning hole partly is used for when body 1a and described cap 1b assembling and smooth block is worked, do not lose circle to guarantee smooth block 1 periphery and eccentric circular hole 1-1.Described tapped hole is used for playing the role of positioning when body 1a and the fixing assembling of cap 1b.
In the present embodiment, described counterbore 1-4 is two, is symmetrically distributed in 1-1a both sides, described half hole.
Please refer to Fig. 3 and Fig. 4, the corresponding position of counterbore 1-4 with described body 1a on described cap 1b is provided with through hole 1-6.Wherein, described through hole 1-6 is through to the outer circumferential face part of cap 1b by the split surface of described cap 1b.Described through hole 1-6 is the counter sink of band localization part.And the countersunk head space of described counter sink is positioned at the end of the side face outward of described through hole 1-6.
During assembling, described body 1a and cap 1b are docking together along its split surface, and corresponding counterbore 1-4 and through hole 1-6 are aligned.And half hole 1-1a on the body 1a and the butt joint of half hole 1-1b on cap 1b back form manhole 1-1 as shown in fig. 1.With the outer circumferential face insertion through hole 1-6 of holding down bolt 1-8, and partly pass after the described through hole 1-6, screw among the corresponding counterbore 1-4, after screwing body 1a and cap 1b are fastened as one by described cap 1b.
The schematic representation of described holding down bolt 1-8 is rod shaped structure as shown in Figure 5, comprises localization part 1-8b and helical thread portion 1-8a.Head at described positioning screwn 1-8 also has the hole of screwing 1-8c.Described localization part 1-8b is used for cooperating with positioning hole on described body 1-1a and the cap 1-1b and positions; The tapped hole of counterbore 1-4 on described helical thread portion 1-8a and the described body 1-1a cooperates fixes body 1-1a and cap 1-1b.
In the present embodiment, when described body 1-1a and cap 1-1b fixedly were assembled into one, the head of holding down bolt 1-8 can enter among the described through hole 1-6 countersunk head space fully.To avoid damaging the movement conversion mechanism that this smooth block 1 and piston form outside outstanding smooth block 1 outer circumferential face of this holding down bolt 1-8.
In addition, also can make the head of described holding down bolt 1-8 be lower than the outer circumferential face of described smooth block 1, thereby after assembling, can form a space in the outer circumferential face end of the close smooth block of through hole 1-b, this space can ccontaining lubricant oil, be called oil storage space, thereby help the lubricated of movement conversion mechanism that smooth block and piston form, guarantee the proper functioning of mechanism.
In the present embodiment, be body 1a and cap 1b two-part, and fixedly be assembled into one, form complete smooth block 1 by holding down bolt 1-8 with smooth block 1 subdivision; Two-part of this smooth block not only can be processed respectively, and processing and assembling is simple; And when parts such as smooth block and bent axle are assembled, be convenient to and the assembling of integrally formed bent axle, improve flexibility and convenience during assembling, it is more convenient also to make the mechanism's dismounting that comprises this smooth block safeguard; In addition, when being assembled into one, holding down bolt also has positioning action to described body and cap, and can guarantee that the smooth block that constitutes outer circumferential face and eccentric circular hole when work do not lose circle.
In addition, the smooth block in the foregoing description in the utility model both can be the work smooth block, and promptly described smooth block places the circular slider accommodation hole of piston, participate in to-and-fro motion and rotatablely move between conversion.Can be the balance smooth block also, place dynamic balance slide block when promptly using.
In addition, on described smooth block 1, can also have oil leab, reinforced structure, remove weight structure etc., give unnecessary details no longer one by one here.
In addition, above-mentioned smooth block can be applied in internal-combustion engine or the compressor, form crank circular slider internal-combustion engine or compressor.
Though the utility model with preferred embodiment openly as above; but it is not to be used for limiting the utility model; any those skilled in the art are not in breaking away from spirit and scope of the present utility model; can make possible change and modification, therefore protection domain of the present utility model should be as the criterion with the scope that the utility model claim is defined.
Claims (7)
1. a smooth block is applied to circular slider-crank mechanism; Described smooth block has eccentric circular hole, it is characterized in that: described smooth block is a split type structure, and its split surface is two and half holes with described eccentric circular hole subdivision; Two-part that described smooth block is formed by subdivision are called body and cap;
Described body is provided with the counterbore in its split surface upper shed, and described counterbore top is positioning hole, and the bottom is a tapped hole;
Counterbore relevant position with described body on described cap is provided with the through hole that is through to its outer circumferential face by the split surface of described cap, and described through hole is the counter sink of band localization part;
During assembling, threaded fastener passes on the described cap counter sink and screws on the body in the corresponding counterbore, and described body and cap are fixed as one; Wherein, described threaded fastener has localization part.
2. smooth block as claimed in claim 1 is characterized in that: the central axis of the described eccentric circular hole of described split surface process, and vertical with the plane, central axis place of described eccentric circular hole central axis and smooth block.
3. smooth block as claimed in claim 1, it is characterized in that: after described threaded fastener is screwed in described counterbore, the head of described threaded fastener is lower than the outer circumferential face of described smooth block, forms oil storage space between the outer circumferential face of the head of described threaded fastener and described cap.
4. smooth block as claimed in claim 1 is characterized in that: counterbore on body and the cap and tapped hole are at least two; Accordingly, described threaded fastener also is at least two.
5. as the described smooth block of the arbitrary claim of claim 1 to 4, it is characterized in that: described threaded fastener is a holding down bolt.
6. an internal-combustion engine is characterized in that: comprise the described smooth block of the arbitrary claim of claim 1 to 5.
7. a compressor is characterized in that: comprise the described smooth block of the arbitrary claim of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201070920U CN201599374U (en) | 2010-02-01 | 2010-02-01 | Circular sliding block and internal-combustion engine and compressor with circular sliding block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201070920U CN201599374U (en) | 2010-02-01 | 2010-02-01 | Circular sliding block and internal-combustion engine and compressor with circular sliding block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201599374U true CN201599374U (en) | 2010-10-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201070920U Expired - Lifetime CN201599374U (en) | 2010-02-01 | 2010-02-01 | Circular sliding block and internal-combustion engine and compressor with circular sliding block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201599374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712720A (en) * | 2013-12-12 | 2015-06-17 | 北京中清能发动机技术有限公司 | Crank circular sliding block mechanism and plunger pump |
-
2010
- 2010-02-01 CN CN2010201070920U patent/CN201599374U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712720A (en) * | 2013-12-12 | 2015-06-17 | 北京中清能发动机技术有限公司 | Crank circular sliding block mechanism and plunger pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101006 |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: BEIJING SINOCEP ENGINE TECHNOLOGY Co.,Ltd. Document name: Notification of Expiration of Patent Right Duration |