CN201507416U - Straight-line guidance constrained reciprocating-piston compressor - Google Patents
Straight-line guidance constrained reciprocating-piston compressor Download PDFInfo
- Publication number
- CN201507416U CN201507416U CN2009201894612U CN200920189461U CN201507416U CN 201507416 U CN201507416 U CN 201507416U CN 2009201894612 U CN2009201894612 U CN 2009201894612U CN 200920189461 U CN200920189461 U CN 200920189461U CN 201507416 U CN201507416 U CN 201507416U
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- connecting rod
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- roller
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Abstract
The utility model belongs to the technical field of a reciprocative compressor, relates to a straight-line guidance constrained reciprocating-piston compressor, comprising a housing, a cylinder, a crank-pin, a connecting bar, a piston and an auxiliary link, wherein the cylinder is connected on the housing, the piston is mounted in the cylinder and in slip fit with the cylinder, one end of the connecting bar is connected with the piston, the other end of the connecting bar is connected with one end of the auxiliary link, the other end of the auxiliary link is connected with the crank-pin, a plurality of rolling wheels are arranged on the connecting bar and the housing, and a guide rail is arranged to be in rolling contact fit with the rolling wheels, in addition, a spring is arranged to press the rolling wheels and the guide rail. Under the constrain of the cylinder, the rolling wheels, the guide rail and the spring, the piston and the connecting bar of the compressor are in the rectilinear movement distinctly, thereby decreasing the lateral pressure and the clapping movement of the piston to the cylinder, thus decreasing the friction, abrasion and noise of the compressor.
Description
Technical field
The utility model belongs to the reciprocal compressor technical field, refers in particular to the Reciprocting piston compressor of constraint compressor connecting bar and piston moving linearly.
Background technique
As everyone knows, existing the rotatablely moving of the connecting rod of conventional reciprocating piston compressor also has to-and-fro motion: the major part of connecting rod rotatablely moves as circumference with crank pin on the one hand, and the microcephaly of connecting rod does reciprocating linear motion with piston on the other hand.The above-mentioned working method of connecting rod, the power that has determined connecting rod to affact on the piston is the power of a swing that constantly changes, will inevitably bring some drawbacks thus: at first be to cause piston that cylinder action is had bigger lateral pressure, the result has increased the friction and wear of compressor; Next is to cause piston that cylinder is produced bigger slamming, and the result causes the noise that compressor is bigger.
Summary of the invention
The utility model provides a kind of linear-guidance restricting reciprocating piston compressor, and purpose is effectively to reduce the lateral pressure of piston to cylinder, effectively slows down the slamming of piston to cylinder simultaneously, thereby reduces the friction and wear of compressor, and reduces its noise.
The purpose of this utility model is achieved in that
Linear-guidance restricting reciprocating piston compressor, comprise housing, cylinder, crank pin, connecting rod, piston and slave connecting rod, cylinder is connected on the housing, piston is installed in the cylinder, one end of connecting rod is connected with piston, the other end of connecting rod is connected with an end of slave connecting rod, and the other end of slave connecting rod is connected with crank pin, it is characterized in that:
Connecting rod or housing are provided with roller, and housing or connecting rod are provided with the guide rail with described roller rolling contact matching.
Be connected with on above-mentioned connecting rod and the housing roller and guide rail are kept the spring that rolls and contact mutually, described spring is extension spring or pressure spring or shell fragment spring.
Above-mentioned guide rail has one or some.
Above-mentioned guide rail and cylinder-bore axis be arranged in parallel.
Above-mentioned roller has one or several, and described roller is one of roll sleeve, rolling bearing, roller, needle roller, ball or its combination.
Above-mentioned connecting rod is connected, is fastenedly connected with piston hinge or be integrally manufactured.
Above-mentioned housing is provided with guide pin bushing, and described guide pin bushing and connecting rod are slidingly matched.
Above-mentioned housing or guide pin bushing or housing and guide pin bushing are provided with seal ring, and described seal ring and connecting rod are sealed and matched.
The utility model linear-guidance restricting reciprocating piston compressor, its task driven mode is: at first drive slave connecting rod by crank pin, again by the slave connecting rod drive link, so that reciprocating by the connecting rod driven plunger.Obviously, under the constraint of cylinder, roller, guide rail and spring, the piston of compressor and the motion of connecting rod must be straight line motion, have reduced the lateral pressure and the slamming of piston to cylinder thus, so reduced friction, wearing and tearing and the noise of compressor.
Description of drawings
Fig. 1 is the embodiment's 1 of the utility model linear-guidance restricting reciprocating piston compressor a structural representation;
Fig. 2 is the embodiment's 2 of the utility model linear-guidance restricting reciprocating piston compressor a structural representation;
Fig. 3 is the embodiment's 3 of the utility model linear-guidance restricting reciprocating piston compressor a structural representation;
Fig. 4 is the embodiment's 4 of the utility model linear-guidance restricting reciprocating piston compressor a structural representation.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described:
Linear-guidance restricting reciprocating piston compressor, comprise: housing 1, cylinder 2, crank pin 3, connecting rod 4, piston 5 and slave connecting rod 6, described cylinder 2 is connected on the housing 1, described piston 5 is installed in the cylinder 2 and is slidingly matched with it, one end of described connecting rod 4 is connected with piston 5, the other end of connecting rod 4 is connected with an end of slave connecting rod 6, the other end of slave connecting rod 6 then is connected with crank pin 3 and is rotatably assorted with it, connecting rod 4 is made of shaft and bar frame two-part, wherein the shaft of connecting rod 4 can be various types of roofbolt shapes, tabular or I shape shapes etc., the bar frame of connecting rod 4 can be ring frame shape, hook-shaped or tabular; Special needs to be pointed out is: above-mentioned connecting rod 4 can by a wrist pin with piston 5 carry out hinged, also can be fastenedly connected with piston 5 even can also carry out integral body with piston 5 and make by screw or rivet etc., and connecting rod 4 is with slave connecting rod 6, slave connecting rod 6 and both can adopt the pivot pin structure also can adopt sliding bearing structure or rolling bearing structure to connect being connected of crank pin 3; In the present embodiment, described connecting rod 4 is provided with a roller 7, certainly roller 7 also can have several (not shown)s, described roller 7 can be placed on the connecting rod 4 (as shown in the figure) rotationally with the pivot pin structure also can be directly and connecting rod 4 contact matching (not shown)s, and roller 7 can be one of roll sleeve, rolling bearing, roller, needle roller, ball or its combination; Be provided with a guide rail 8 in addition, guide rail 8 is fixed on the housing 1, described roller 7 and these guide rail 8 rolling contact matching (allowing to exist certain sliding movement), guide rail 8 both can be that the plane rail also can be protruding rail or recessed rail, described guide rail 8 should be arranged like this: when compressor is in compression stroke, guide rail 8 can do with because of slave connecting rod 6 and the derivative component perpendicular to axis 01 of axis 01 disalignment, and preferably makes guide rail 8 and axis 01 be arranged in parallel (allowing to exist certain foozle and alignment error); In order to allow roller 7 keep in touch with guide rail 8 all the time, spring 9 can be set, one end of spring 9 connects and affacts on the housing 1, the other end of spring 9 directly or indirectly affacts on the roller 7, its best circumstance is that the other end of spring 9 connects and affacts on the connecting rod 4 and affacts on the roller 7 by pivot pin, need to prove, spring 9 can be that extension spring also can be that pressure spring can also be other shell fragment springs, its quantity can be one also can be many, can be also can be the combination of variety classes spring with the kind spring when adopting many springs 9; In order to prevent that connecting rod 4 from the time shaking in work, guide pin bushing 10 can be set on housing 1 it is retrained, described guide pin bushing 10 is slidingly matched with connecting rod 4; In addition when compressor when oil lubrication is arranged, scurry in the inlet casing 2 in order to stop lubricant oil, except that employing piston ring 11 stops, can also on housing 1 or guide pin bushing 10 or housing 1 and guide pin bushing 10, seal ring 12 be set, described seal ring 12 is sealed and matched with connecting rod 4, and this moment, the shaft shape of connecting rod 4 was the best with cylindrical bar and oval mast.
The label of part, title and function are inherited Fig. 1 and embodiment 1 among the figure, and the structure of present embodiment is substantially the same manner as Example 1, and its difference is: roller 7 is arranged on the housing 1, and correspondingly guide rail 8 is arranged on the connecting rod 4.
The label of part, title and function are inherited Fig. 1 and embodiment 1 among the figure, the structure of present embodiment is substantially the same manner as Example 1, its difference is: present embodiment has been cancelled spring 9, replace two guide rails 8 and several rollers 7 are set, wherein roller 7 still is arranged on the connecting rod 4, guide rail 8 then is arranged on the housing 1, need to prove, this case can also be adopted the guide rail 8 more than two.
The label of part, title and function are inherited Fig. 3 and embodiment 3 among the figure, and the structure of present embodiment is substantially the same manner as Example 3, and its difference is: the roller 7 of present embodiment is arranged on the housing 1, and guide rail 8 then is arranged on the connecting rod 4.
The task driven mode of the utility model linear-guidance restricting reciprocating piston compressor is: at first drive slave connecting rod 6 by crank pin 3, and again by slave connecting rod 6 drive link 4, so that reciprocating by connecting rod 4 driven plunger 5.Obviously, under the constraint of cylinder 2, roller 7, guide rail 8 and spring 9, the piston 5 of compressor and the motion of connecting rod 4 must be straight line motion, have reduced the lateral pressure and the slamming of 5 pairs of cylinders 2 of piston thus, so reduced friction, wearing and tearing and the noise of compressor.
The foregoing description only is some preferred embodiments of the present utility model; be not to limit protection domain of the present utility model according to this; so: all various equivalences of doing according to structure of the present utility model, shape and principle change, and all should be covered by within the protection domain of the present utility model.
Claims (8)
1. linear-guidance restricting reciprocating piston compressor, comprise housing, cylinder, crank pin, connecting rod, piston and slave connecting rod, cylinder is connected on the housing, piston is installed in the cylinder, one end of connecting rod is connected with piston, and the other end of connecting rod is connected with an end of slave connecting rod, and the other end of slave connecting rod is connected with crank pin, it is characterized in that: connecting rod or housing are provided with roller, and housing or connecting rod are provided with the guide rail with described roller rolling contact matching.
2. linear-guidance restricting reciprocating piston compressor according to claim 1, it is characterized in that: be connected with on described connecting rod and the housing roller and guide rail are kept the spring that rolls and contact mutually, described spring is extension spring or pressure spring or shell fragment spring.
3. linear-guidance restricting reciprocating piston compressor according to claim 1 and 2 is characterized in that: described guide rail has one or some.
4. linear-guidance restricting reciprocating piston compressor according to claim 3 is characterized in that: described guide rail and cylinder-bore axis be arranged in parallel.
5. linear-guidance restricting reciprocating piston compressor according to claim 3 is characterized in that: described roller has one or several, and described roller is one of roll sleeve, rolling bearing, roller, needle roller, ball or its combination.
6. linear-guidance restricting reciprocating piston compressor according to claim 3 is characterized in that: described connecting rod and piston are for being articulated and connected or being fastenedly connected or integrally manufactured.
7. linear-guidance restricting reciprocating piston compressor according to claim 3 is characterized in that: described housing is provided with guide pin bushing, and described guide pin bushing and connecting rod are slidingly matched.
8. linear-guidance restricting reciprocating piston compressor according to claim 3 is characterized in that: described housing or guide pin bushing or housing and guide pin bushing are provided with seal ring, and described seal ring and connecting rod are sealed and matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201894612U CN201507416U (en) | 2009-10-12 | 2009-10-12 | Straight-line guidance constrained reciprocating-piston compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201894612U CN201507416U (en) | 2009-10-12 | 2009-10-12 | Straight-line guidance constrained reciprocating-piston compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201507416U true CN201507416U (en) | 2010-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201894612U Expired - Lifetime CN201507416U (en) | 2009-10-12 | 2009-10-12 | Straight-line guidance constrained reciprocating-piston compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201507416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974982A (en) * | 2010-06-18 | 2011-02-16 | 阿特拉斯科普柯(南京)建筑矿山设备有限公司 | Automatic adjustment guide device |
-
2009
- 2009-10-12 CN CN2009201894612U patent/CN201507416U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974982A (en) * | 2010-06-18 | 2011-02-16 | 阿特拉斯科普柯(南京)建筑矿山设备有限公司 | Automatic adjustment guide device |
| CN101974982B (en) * | 2010-06-18 | 2012-07-04 | 阿特拉斯科普柯(南京)建筑矿山设备有限公司 | Automatic adjustment guide device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100616 Effective date of abandoning: 20091012 |