CN105927503A - Connecting rod module of piston compressor - Google Patents
Connecting rod module of piston compressor Download PDFInfo
- Publication number
- CN105927503A CN105927503A CN201610473599.XA CN201610473599A CN105927503A CN 105927503 A CN105927503 A CN 105927503A CN 201610473599 A CN201610473599 A CN 201610473599A CN 105927503 A CN105927503 A CN 105927503A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- groove
- plush copper
- shaped
- piston compressor
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compressor (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention discloses a connecting rod module of a piston compressor and the piston compressor using the connecting rod module. The connecting rod module comprises a first connecting rod, a second connecting rod and a positioning piece; a first shaft hole matched with a piston pin is formed in a first end of the first connecting rod, and a convex head is arranged at a second end; a second shaft hole matched with a crankshaft is formed in a first end of the second connecting rod, and a groove is formed in a second end; the convex head is a T-shaped convex head; the groove is a T-shaped groove matched with the T-shaped convex head; and when the T-shaped convex head is clamped in the T-shaped groove, the positioning piece is embedded in a gap between the T-shaped convex head and the T-shaped groove, so that the T-shaped convex head is tightly connected with the T-shaped groove. By use of the connecting rod module of the piston compressor, provided by the invention, the problems of complex structure, difficult mold molding and troublesome assembly in a traditional integrated connecting rod are overcome; and compared with a traditional split connecting rod module, the connecting rod module of the piston compressor also has the advantages of simpler structure, easiness in mold molding and more convenience for assembly.
Description
Technical field
The present invention relates to the parts of compressor, particularly relate to a kind of piston compressor link assembly, and use this link assembly
Piston compressor.
Background technology
The structure of existing compact bent axle-link piston compressor as it is shown in figure 1, due to this piston compressor use dead eye,
Cylinder-bore integral type frame 1, therefore often arranges U-type groove 1a at frame 1 cylinder-bore afterbody, in order to connecting rod 5 is arranged on bent axle
4 and piston 2 on.Existence due to U-type groove so that cylinder-bore is adding cutter unbalance stress in man-hour, and during work, thermal deformation is the most right
Claim, expand limit piston stroke at product type simultaneously.
In order to solve problem above, occur in that connecting rod is divided into two-part split-type structural by various structure, some employings, such as figure
Shown in 2, this Split connecting rod is made up of major part part and little head part, and major part portion connection is designed with v-depression, microcephaly
It is protruding that portion connection is designed with V-arrangement, and two parts are to coordinate at V-arrangement face, and at cooperation, outer rim offers groove, twines on groove
Around jump ring, so that connecting rod two parts connect fastening.In this way, first that piston is exterior at production line with small end of connecting rod part
It is made into one, upper production line loads in frame cylinder-bore, loads bent axle, then big end is partially loaded bent axle in frame,
Finally connecting rod two parts are coordinated with V-arrangement face, and be wound around jump ring in outer ring to connect two parts of connecting rod.Although this kind split type
Connecting rod can effectively solve the problems referred to above, but this kind of Split connecting rod exists structure complexity, mould molding difficulty, assembling trouble
Defect.
Summary of the invention
For above-mentioned prior art present situation, first technical problem to be solved by this invention is, it is provided that a kind of piston compressor
Link assembly, complicated with the structure overcoming existing Split connecting rod to exist, mould molding difficulty, assemble troublesome problem.
Second technical problem to be solved by this invention is, it is provided that a kind of piston compressor using this link assembly.
The present invention solves the technical scheme that above-mentioned first technical problem used: a kind of piston compressor link assembly, including
First connecting rod, second connecting rod and keeper, the first end of described first connecting rod is provided with the first axis hole coordinated with piston pin, the
Two ends are provided with plush copper, and the first end of described second connecting rod is provided with the second axis hole coordinated with bent axle, and the second end is provided with groove,
Described plush copper is T-shaped plush copper, and described groove is the T-shaped groove matched with described T-shaped plush copper；When described T-shaped plush copper snaps in
Time in described T-shaped groove, described keeper embeds in the gap between described T-shaped plush copper and described T-shaped groove, makes described T
Type plush copper is connected fastening with described T-shaped groove.
Wherein in an embodiment, described T-shaped plush copper includes plush copper width portion and plush copper narrow portion, and described plush copper width portion is convex with described
Head narrow portion forms two first step portions, and described groove includes groove width portion and groove narrow portion, described groove width portion and described groove
Narrow portion forms two second step portions, and when described T-shaped plush copper snaps in described T-shaped groove, described keeper embeds described the
In described gap between one stage portion and described second step portion.
Wherein in an embodiment, the end face in described plush copper width portion is V-type, and the groove bottom in described groove width portion is and described V
The V-type that type end side matches.
Wherein in an embodiment, the tip of described V-groove bottom surface is provided with the anti-tear mouth of circular arc.
Wherein in an embodiment, described keeper is U-shaped jump ring, and two legs of described jump ring are respectively embedded into described in two
In described gap between first step portion and two described second step portions.
Wherein in an embodiment, described first connecting rod and described second connecting rod all use powder metallurgy pressing to form.
The present invention solves the technical scheme that above-mentioned second technical problem used: a kind of piston compressor, it includes described
Link assembly.
Piston compressor link assembly provided by the present invention is made up of two parts, compared with existing unitary link, overcomes existing
Structure with the presence of unitary link is complicated, mould molding difficulty, assembles troublesome problem；And with existing Split connecting rod assembly
Compare, two parts connecting rod of piston compressor link assembly provided by the present invention, use T-shaped plush copper and T-shaped groove fit,
And by keeper, T-shaped plush copper and T-shaped groove are connected fastening, and the groove snapped in for jump ring need not be processed, therefore structure is more
Simply, easy mould molding, and assemble convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the piston compressor of existing employing unitary link；
Fig. 2 is the structural representation of existing Split connecting rod assembly；
Fig. 3 is the structural representation of the piston compressor link assembly in one of them embodiment of the present invention, before being shown that assembling
State；
Fig. 4 is the structural representation after the assembling of piston compressor link assembly shown in Fig. 3；
Fig. 5 is to use the structural representation of the piston compressor of piston compressor link assembly shown in Fig. 3.
In the most each figure, 1-frame；1a-U type groove；2-piston；3-piston pin；4-bent axle；5-first connecting rod；51-the first axle
Hole；52-plush copper；521-plush copper width portion；522-plush copper narrow portion；523-first step portion；521a-end face, 6-jump ring；7-second
Connecting rod；71-the second axis hole；72-groove；721-groove width portion；722-groove narrow portion；723-second step portion；721a-groove bottom；
The anti-tear mouth of 721b-.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments the present invention is described in detail.It should be noted that in the case of not conflicting,
Feature in following embodiment and embodiment can be mutually combined.
Seeing Fig. 3 and Fig. 4, the piston compressor link assembly in one of them embodiment of the present invention includes first connecting rod 5, second
Connecting rod 7 and keeper, one end of described first connecting rod 5 is provided with the first axis hole 51 coordinated with piston pin 3, and the other end is arranged
There is T-shaped plush copper 52.One end of described second connecting rod 7 is provided with the second axis hole 71 coordinated with bent axle 4, the other end be provided with
The T-shaped groove 72 that described T-shaped plush copper 52 matches.When described T-shaped plush copper 52 snaps in described T-shaped groove 72, institute
State keeper to be embedded in the gap between described T-shaped plush copper 52 and described T-shaped groove 72, make first connecting rod 5 and second connect
Bar 7 connects fastening.
Preferably, described T-shaped plush copper 52 includes the wide portion of plush copper 521 and plush copper narrow portion 522, and the wide portion of described plush copper 521 is with described
Plush copper narrow portion 522 forms two first step portions 523, and described groove 72 includes the wide portion of groove 721 and groove narrow portion 722, institute
State the wide portion of groove 721 and form two second step portions 723 with described groove narrow portion 722, when described T-shaped plush copper 52 snaps in described
Time in T-shaped groove 72, described keeper embed between described first step portion 523 and described second step portion 723 described between
In gap.Preferably, described keeper is U-shaped jump ring 6, and two legs of described jump ring 6 are respectively embedded into two described Firsts
In described gap between rank portion 523 and two described second step portions 723.
Preferably, the end face 521a in the wide portion of described plush copper 521 is V-type, groove bottom 721a in the wide portion of described groove 721 be with
The V-type that described V-type end face 521a matches, to increase the contact area of T-shaped plush copper 52 and T-shaped groove 72, it is to avoid be subject to
Power is uneven.It is further preferred that be provided with circular arc anti-tear mouth 721b in the tip of described V-groove bottom surface 721a, in case
Only interfere or plush copper 52 caused abrasion time torsion is excessive.
Preferably, described first connecting rod 5 and described second connecting rod 7 all use powder metallurgy pressing to form.
Piston compressor link assembly provided by the present invention, only need to process the first axis hole 51 and the second axis hole 71 after molding, its
Remaining part is divided without secondary operations, therefore simple in construction, easy mould molding.And, during assembling, see Fig. 5, first producing
Line is outer is assembled into one by piston 2, first connecting rod 5 and piston pin 3, inserts cylinder holes；Bent axle 4 is loaded the axle of frame 1 again
Bearing bore, then loads bent axle 4 by second connecting rod 7, makes the plush copper 52 of first connecting rod 5 be placed in the groove 72 of second connecting rod 7,
Finally jump ring 6 is inserted into the gap between plush copper 52 and groove 72, is allowed to connect fastening, easy to assembly.
In another embodiment of the present invention, it is provided that a kind of piston compressor, it includes the described link assembly of above-described embodiment.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and in detail, but can not therefore and
It is interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for the person of ordinary skill of the art, do not taking off
On the premise of present inventive concept, it is also possible to make some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore,
The protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. a piston compressor link assembly, including first connecting rod, second connecting rod and keeper, the first of described first connecting rod
End is provided with the first axis hole coordinated with piston pin, and the second end is provided with plush copper, and the first end of described second connecting rod is provided with bent
Axle coordinate the second axis hole, the second end is provided with groove, it is characterised in that described plush copper is T-shaped plush copper, described groove be with
The T-shaped groove that described T-shaped plush copper matches；When described T-shaped plush copper snaps in described T-shaped groove, described keeper embeds
In gap between described T-shaped plush copper and described T-shaped groove, described T-shaped plush copper is made to be connected fastening with described T-shaped groove.
Piston compressor link assembly the most according to claim 1, it is characterised in that described T-shaped plush copper includes plush copper width
Portion and plush copper narrow portion, described plush copper width portion forms two first step portions with described plush copper narrow portion, and described groove includes groove width portion
With groove narrow portion, described groove width portion forms two second step portions with described groove narrow portion, when described T-shaped plush copper snaps in described
Time in T-shaped groove, described keeper embeds in the described gap between described first step portion and described second step portion.
Piston compressor link assembly the most according to claim 2, it is characterised in that the end face in described plush copper width portion is V
Type, the groove bottom in described groove width portion is the V-type matched with described V-type end face.
Piston compressor link assembly the most according to claim 3, it is characterised in that in the tip of described V-groove bottom surface
It is provided with the anti-tear mouth of circular arc.
Piston compressor link assembly the most according to claim 2, it is characterised in that described keeper is U-shaped jump ring,
Two legs of described jump ring are respectively embedded into the described gap between two described first step portions and two described second step portions
In.
Piston compressor link assembly the most as claimed in any of claims 1 to 5, it is characterised in that described first
Connecting rod and described second connecting rod all use powder metallurgy pressing to form.
7. a piston compressor, it is characterised in that include the link assembly as described in any one in claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610473599.XA CN105927503A (en) | 2016-06-24 | 2016-06-24 | Connecting rod module of piston compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610473599.XA CN105927503A (en) | 2016-06-24 | 2016-06-24 | Connecting rod module of piston compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105927503A true CN105927503A (en) | 2016-09-07 |
Family
ID=56828291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610473599.XA Withdrawn CN105927503A (en) | 2016-06-24 | 2016-06-24 | Connecting rod module of piston compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105927503A (en) |
-
2016
- 2016-06-24 CN CN201610473599.XA patent/CN105927503A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160907 |
|
| WW01 | Invention patent application withdrawn after publication |